Rheem Water Heater HE119 130LP User Guide

High Efficiency Commercial Gas Water Heater  
USE & CARE MANUAL  
WITH INSTALLATION INSTRUCTIONS FOR THE CONTRACTOR  
This Use & Care Manual covers the following model numbers:  
O F F  
HE45-100N  
HE45-130N  
HE45-160N  
HE45-199N  
HE80-130N  
HE80-160N  
HE80-199N  
HE119-130N HE45-199LP  
HE119-160N HE80-130LP  
HE119-199N HE80-160LP  
HE80-199LP  
HE45-100LP HE119-130LP  
HE45-130LP HE119-160LP  
HE45-160LP HE119-199LP  
ON  
Do Not Destroy this Manual. Please read carefully  
and keep in a safe place for Future Reference.  
Recognize this symbol as an Indication of Important  
Safety Information!  
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NOTICE:This water heater is designed for use in a commercial application. The installation and  
maintenance of it should be performed by qualified, licensed service personnel.  
WARNING: Read and review this entire manual with special emphasis on the Venting and Operation  
Sections prior to any installation work.  
CALIFORNIA PROPOSITION 65 WARNING:This product contains chemicals known to the State of California  
to cause cancer, birth defects or other reproductive harm.  
WARNING: If the information in these instructions are not followed exactly, a fire or explosion may result  
causing property damage, personal injury or death.  
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Immediately call your gas supplier from a neigh-  
bor's phone. Follow the gas supplier's instruc-  
tions.  
FOR YOUR SAFETY!  
— Do not store or use gasoline or other flammable  
vapors or liquids or other combustible materials in  
the vicinity of this or any other appliance.To do so  
may result in an explosion or fire.  
If you cannot reach your gas supplier, call the fire  
department.  
Do not return to your building until authorized by  
the gas supplier or fire department.  
— WHAT TO DO IFYOU SMELL GAS  
— Improper installation, adjustment, alteration, ser-  
vice or maintenance can cause injury, property  
damage or death. Refer to this manual. Installation  
and service must be performed by a qualified  
installer, service agency or the gas supplier.  
Do not try to light any appliance.  
Do not touch any electrical switch; do not use any  
phone in your building.  
AP12158-2 (04/05)  
Printed in the USA  
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General Safety Precautions  
Be sure to read and understand the entire Use & Care Manual before attempting to install or operate this water heater.  
Pay particular attention to the following General Safety Precautions. Failure to follow these warnings could result in a fire  
or explosion, causing property damage, bodily injury or death. Should you have any problems understanding the instruc-  
tions in this manual, STOP, and get help from a qualified installer or service technician or the gas supplier.  
DANGER  
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WARNING  
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LIQUEFIED PETROLEUM MODELS  
Gasoline, as well as other flammable materials and liq-  
uids (adhesives, solvents, etc.), and the vapors they pro-  
duce, are extremely dangerous. DO NOT handle, use or  
store gasoline or other flammable or combustible materi-  
als anywhere near or in the vicinity of a water heater. Be  
sure to read and follow the warning label pictured below  
and other labels on the water heater, as well as the warn-  
ings printed in this manual. Failure to do so can result in  
property damage, bodily injury, or death.  
- Propane, or LP gas, must be used with great caution.  
· It is heavier than air and will collect first in lower areas  
making it hard to detect at nose level.  
· Make sure to look and smell for LP leaks before  
attempting to light appliance. Use a soapy solution to  
check all gas fittings and connections. Bubbling at a con-  
nection indicates a leak that must be corrected. When  
smelling to detect an LP leak, be sure to sniff near the  
floor.  
· Gas detectors are recommended in LP applications and  
their installation should be in accordance with the manu-  
facturer's recommendations and/or local laws, rules, reg-  
ulations or customs.  
· It is recommended that more than one method be used  
to detect leaks in LP applications.  
DANGER  
!
Failure to install and properly vent the water heater to the  
outdoors as outlined in the Venting Section of this manu-  
al can result in unsafe operation of the water heater. To  
avoid the risk of fire, explosion, or asphyxiation from car-  
bon monoxide, never operate this water heater unless it  
is properly vented and has an adequate air supply for  
proper operation. Be sure to inspect the vent system for  
proper installation at initial start-up and at least annually  
thereafter. Refer to maintenance section of this manual  
for more information regarding vent system inspections.  
IF LP GAS IS PRESENT OR SUSPECTED:  
· DO NOT attempt to find the cause yourself;  
· DO NOT try to light any appliance;  
· DO NOT touch any electrical switch;  
· DO NOT use any phone in your building.  
· Leave the house immediately and make sure your fam-  
ily and pets leave also.  
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D A N G E R  
· Leave the doors open for ventilation and contact the gas  
supplier, a qualified service agency or the fire depart-  
ment.  
· Keep the area clear until the service call has been  
made, the leak is corrected, and a qualified agency has  
determined the area to be safe.  
FLAMMABLES  
FlammableVapors  
WARNING  
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Vapors from flammable  
liquids will explode and  
catch fire causing death or  
severe burns.  
Water heater has a main  
burner and pilot flame.  
The pilot flame:  
Both LP and natural gas have an odorant added to help  
detection. Some people may not physically be able to  
smell or recognize this odorant. If unsure or unfamiliar  
about the smell associated with LP or natural gas, ask  
the gas supplier. Other conditions, such as "Odorant  
Fade", which causes the odorant to "fade", or diminish in  
intensity can also hide or camouflage a gas leak.  
1. which can come on at  
any time and  
Do not use or store flammable  
products such as gasoline,  
solvents or adhesives in the  
same room or area near the  
water heater.  
2. will ignite flammable  
vapors.  
Vapors:  
1. cannot be seen,  
2. are heavier than air,  
3. go a long way on the  
floor and  
4. can be carried from  
other rooms to the pilot  
flame by air currents.  
Keep flammable products:  
1. far away from heater,  
2. in approved containers,  
3. tightly closed and  
4. out of children's reach.  
DANGER  
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Installation:  
are at least 18" above the  
floor.This will reduce, but not  
eliminate, the risk of vapors  
being ignited by the main  
burner or pilot flame.  
Do not install water heater  
where flammable products will  
be stored or used unless the  
main burner and pilot flames  
Water heaters utilizing Liquefied Petroleum gas (LP) are  
different from natural gas models. A natural gas heater  
will not function safely on LP gas and vice versa. No  
attempt should ever be made to convert a heater from  
natural gas to LP gas. To avoid possible equipment dam-  
Read and follow water heater warnings and instructions. If owners  
manual is missing, contact the retailer or manufacturer.  
3
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General Safety Precautions  
age, personal injury or fire: DO NOT connect this water  
heater to a fuel type not in accordance with unit rating  
plate. Propane gas for propane units. Natural gas for  
natural gas units. These units are not certified for any  
other type fuel.  
Maximum water temperatures occur just after burner has  
shut off. To find temperature of the water being deliv-  
ered, turn on a hot water faucet and place a thermome-  
ter in the hot water stream and read the thermometer.  
The following chart details the relationship of water tem-  
perature and time with regard to scald injury and may be  
used as a guide in determining the safest water temper-  
ature for your applications.  
WARNING  
!
LP appliances should not be installed below-grade (for  
example, in a basement) if such installation is prohibited  
by federal, state and/or local laws, rules, regulations, or  
customs.  
TIME / TEMPERATURE RELATIONSHIPS IN SCALDS  
Temperature  
120˚F  
Time to Produce Serious Burn  
More than 5 minutes  
1½ to 2 minutes  
To meet commercial water use needs, the thermostat on  
125˚F  
0
this water heater is adjustable up to 160 F (Booster mod-  
130˚F  
About 30 seconds  
els have a maximum setpoint of 180°F). However, water  
0
temperatures over 125 F can cause severe burns  
135˚F  
About 10 seconds  
instantly or death from scalds. This is the preferred start-  
ing point for setting the controls for supplying general  
purpose hot water.  
140˚F  
Less than 5 seconds  
Less than 3 seconds  
About 1½ seconds  
145˚F  
150˚F  
Safety and energy conservation are factors to be consid-  
ered when setting the water temperature on the thermo-  
stat. The most energy efficient operation will result when  
the temperature setting is the lowest that satisfies the  
needs consistent with the application.  
155˚F  
About 1 second  
Table courtesy of Shriners Burn Institute  
The temperature of the water in the heater can be regu-  
lated by setting the temperature on the electronic ther-  
mostat. To comply with safety regulations, the thermostat  
was set at its lowest setting before the water heater was  
shipped from the factory. See the section titled SET  
POINT ADJUSTMENT PROCEDURE to set the electron-  
ic thermostat.  
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D A N G E R  
DANGER  
!
There is a Hot Water SCALD Potential if the thermo-  
stat is set too high.  
HOT  
NOTE: When this water heater is supplying general pur-  
pose hot water requirements for use by individuals, a  
thermostatically controlled mixing valve for reducing point  
of use water temperatures is recommended to reduce the  
risk of scald injury. Contact a licensed plumber or the  
local plumbing authority for further information.  
BURN  
Water temperature over 125°F can  
cause severe burns instantly or  
death from scalds.  
Children, disabled and elderly are  
at highest risk of being scalded.  
See instruction manual before  
setting temperature at water  
heater.  
Feel water before bathing or  
showering.  
Temperature limiting valves are  
available, see manual.  
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INSTALLATION  
service clearance minimum. This front service may be  
WARNING  
!
achieved by a non-rated or combustible door or access  
panel; providing the 24" service clearance is achieved  
when the door is opened or panel is removed. This water  
heater must not be located near flammable liquids  
such as gasoline, adhesives, solvents, paint thin-  
ners, butane, liquefied propane, etc. as the controls  
of this appliance could ignite those vapors, causing  
an explosion.  
Read and review this entire manual with special  
emphasis on the Venting Sections and Operation  
Sections prior to any installation work.  
LOCAL INSTALLATION REGULATIONS  
This water heater must be installed in accordance with  
these instructions, local codes, utility company require-  
ments, and/or in the absence of local codes, the latest  
edition of the American National Standard / National Fuel  
Gas Code, a copy of which can be purchased from either  
American Gas Association, 1515 Wilson Blvd., Arlington,  
VA 22209 as booklet Z223.1 or National Fire Prevention  
Association, 1 Batterymarch Park, Quincy, MA 02269 as  
booklet NFPA 54.  
TEMPERATURE AND PRESSURE RELIEF VALVE  
A new combination temperature and pressure relief  
valve, complying with the Standard for Relief Valves and  
Automatic Gas Shutoff Devices for Hot Water Supply  
Systems, ANSI Z21.22, must be installed in the opening  
provided on the water heater at the time of installation.  
No valve is to be placed between the relief valve and the  
water heater. For circulating tank installation, the sepa-  
rate storage tank(s) must have similar protection. The  
pressure rating of the relief valve must not exceed the  
maximum working pressure as marked on the front of the  
water heater. The Btu/h rating of the relief valve must  
equal or exceed the Btu/h input of the water heater as  
noted on its rating plate. Connect the outlet of the relief  
valve to a suitable open drain. The discharge line must  
pitch downward from the valve to allow complete draining  
(by gravity) of the relief valve and discharge line, and  
must be no smaller than the outlet of the relief valve. The  
end of the discharge line should not be threaded or con-  
cealed and should be protected from freezing. No valve  
of any type, restriction or reducer coupling should be  
installed in the discharge line. Local codes shall govern  
the installation of the relief valves.  
The water heater must be located or protected so it is not  
subject to physical damage, for example, by moving  
objects, area flooding, etc.  
CAUTION  
!
The water heater should not be located in an area  
where leakage of the tank or connections will result  
in damage to the area adjacent to it or to lower floors  
of the structure. When such areas cannot be avoid-  
ed, it is recommended that a suitable catch pan, ade-  
quately drained, be installed under the water heater.  
The pan MUST NOT restrict the flow of combustion  
air flow.  
NOTE: Auxiliary catch pan installation MUST con-  
form to the applicable local codes  
LOCATION  
EXPANSION TANK  
Choose a location for your water heater centralized to the  
piping system, along with consideration to vent pipe  
length. As the length of vent pipe increases, the firing  
rate of the appliance decreases. You must also locate  
the Advantage Plus where it will not be exposed to below  
freezing temperatures. Additionally, you will need to  
place the water heater so that the controls, drain,  
inlet/outlet, and gas valve are easily accessed. This  
appliance must not be installed outdoors, as it is certified  
as an indoor appliance, and must be kept vertical and on  
a level surface. Also, care must be exercised when  
choosing the location of this appliance where leakage  
from the relief valve, leakage from related piping, or leak-  
age from the tank or connections, will not result in dam-  
age to the surrounding areas or to the lower floors of the  
building. A water heater should always be located in  
an area with a floor drain or installed in an adequate-  
ly drained catch pan suitable for water heaters.  
Proper clearance must be provided around the  
AdvantagePlus as follows: Sides, bottom, top, and back  
are 0" (zero clearance). Front of the appliance needs 24"  
A potable hot water expansion tank may be required to  
offset the water expansion as the water is heated. In  
most city plumbing systems, the water meter has a no  
return or back flow device built into the system to prevent  
back flowing of water back into city mains. Back flow pre-  
venters may be found on all incoming water supplies.  
Under these circumstances, you will need a hot water  
expansion tank listed for potable water use. The expan-  
sion tank should be located on the cold inlet piping close  
to the water heater. The expansion tank must be suit-  
able for hot potable water.  
WARNING  
!
The manufacturer’s warranty does not cover any  
damage or defect caused by installation or attach-  
ment or use of any special attachments such as ener-  
gy saving devices (other than those authorized by  
the manufacturer) into, onto, or in conjunction with  
the water heater. The use of such unauthorized  
5
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devices may shorten the life of the water heater and  
may endanger life and property. The manufacturer  
disclaims any responsibility for such loss or injury  
resulting from the use of such unauthorized devices.  
maximum outlet water temperature from exceeding 125°  
Fahrenheit to prevent scald injury.  
SPECIAL  
INSTRUCTIONS  
FOR  
BOOSTER  
INSTALLATIONS  
DOMESTIC WATER CONNECTIONS  
All booster heaters are supplied with the "Booster  
Installation" kit. In order to maintain proper temperature,  
this kit must be correctly installed. The Booster kit con-  
tains the following list of parts:  
The water connections must be installed in accordance  
with all national and local plumbing codes, or any pre-  
vailing standard. NEVER USE DIELECTRIC UNIONS  
OR GALVANIZED STEEL FITTINGS ON ADVANTAGE  
PLUS CONNECTIONS. The inlet and outlet connections  
are 1" on the 45 gallon models and 1-1/2" on the 80 and  
119 gallon models. On the cold inlet, install a 1" brass  
tee on the 45 gallon models, or a 1-1/2" brass tee on the  
80 and 119 gallon models. On the run of the 1" brass tee  
install, with pipe sealant, compound a 1" brass drain cock  
or it's equivalent (not supplied). Into the branch of the 1"  
or 1-1/2" brass tee install a copper male adapter to match  
with the copper plumbing system. For convenience, you  
may install a shut off valve and a union in the cold inlet  
piping to ease servicing in the future. If there is a back  
flow preventer, or any type of a no return valve in the sys-  
tem, then you must install an additional tee for a suitable  
potable thermal expansion tank. (See section on  
Expansion Tank.) In the hot outlet connection, (top left),  
install a suitable adapter to match the copper tubing of  
the plumbing system. A thermal trap or heat trap loop  
may be installed here to provide additional energy sav-  
ings and prevent thermal siphoning of domestic hot  
water. A domestic hot water tempering/ anti-scald valve  
should be installed into the hot water line to prevent the  
#01 - Nibco Tee - 1"x 1"x 1/2" (2 pcs.)  
#02 - Female Adapter - 1" (2 pcs.)  
#03 - Dial Thermometer (2 pcs.)  
#04 - Expansion Tank - 4-1/2 Gal.  
#05 - Grundfos 3 Speed Pump w/ Check Valve  
#06 - Nibco 1.2" x 12" Fitting Air Chamber  
#07 - Vacuum Relief Valve  
#08 - Pressure Gauge - 0 - 200 PSI  
#09 - Nibco Tee 712R - 1"x 1" x 3/4" (2 pcs.)  
#10 - Nibco Tee 714RR - 1"x 1/2"x 1"  
#11 - Nibco Tee - 1"x 1/2"x 1" Copper  
#12 - Reducing Coupling  
#13 - Pressure Reducing Valve  
#14 - Nibco Male Adapter - 1"  
See the following drawing for a typical "Booster" installa-  
tion. Please note that those items marked with an aster-  
isk in the drawing are not included with the Booster kit,  
but are items that should be installed in a typical dish-  
washer package.  
#09  
#11  
#08  
#12  
#07  
#13  
PVC PVC  
3"  
#06  
3"  
120˚ F TO  
140˚ F SUPPLY  
1" COPPER  
GAS  
#10  
OR  
T
3/4"  
#05  
#04  
UGE  
A
REGULAG  
#14  
.
.
#09  
180˚F  
RETURN  
3/4" RETURN  
RESS  
*
HERMOMETER  
PRESSP  
T
*
*
1" SUPPLY  
1" SUPPLY  
180˚F  
WATER  
#01  
#03  
#02  
CIRCULATOR DISTANCE TO DISHWASHER  
SETTING  
(ONE WAY)  
1 - 19 FT.  
DISHWASHER  
MIN.  
ABS  
REQ'D  
1
2
3
DRAIN  
VALVE  
3"  
20 - 59 FT.  
60 - 100 FT.  
84"  
INTAKE  
EXHAUST  
#01  
#03  
#02  
CONDENSATE  
DRAIN  
The booster heater is equipped with a circulating pump to provide the  
minimum water flow in the booster and maintain a uniform water tem-  
perature in the tank. Depending on the physical distance from the  
booster to the dishwasher, and the length of time between washes, it  
may be necessary to run an empty rack to purge the supply line of  
water that has cooled below 180ºF. For this reason it is best to locate  
the booster as close as possible to the dishwasher. The circulator is  
equipped with three speeds to increase flow rate and reduce heat  
loss. Reference the "Distance" chart to determine the appropriate cir-  
culator speed setting.  
All piping should be installed with suitable pipe insulation to avoid  
temperature loss on the re-circulation line. A minimum of 1" thick pipe  
insulation is recommended. Under no circumstances should the  
booster be installed without a circulating pump.  
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You must ensure that the entire gas line to the reduc-  
ing bushing connection at the Advantage Plus is no  
smaller than 3/4".  
WARNING  
!
Tank MUST be full of water before power is turned  
on. Heat exchanger coil WILL BE DAMAGED if ener-  
gized even for a short time while the tank is dry. The  
water heater’s warranty does not cover damage or  
failure resulting from operation with an empty or par-  
tially empty tank. (Reference is made to the limited  
warranty for complete terms and conditions)  
CAUTION  
!
THE USE OF FLEXIBLE GAS CONNECTORS IS NOT RECOM-  
MENDED. HOWEVER, IF USED, IT IS IMPERATIVE THAT THEY ARE  
SIZED CORRECTLY. FLEXIBLE GAS CONNECTORS MUST HAVE A  
MINIMUM ID OF 3/4". A MINIMUM 3/4" ID MUST BE MAINTAINED  
TO AVOID RESTRICTION OF GAS FLOW! NEVER REDUCE THE  
ELECTRICAL CONNECTION  
GAS SUPPLY LINE BELOW 3/4"!  
Once all the inspections have been performed, the piping  
system must be leak tested. If the leak test pressure is  
higher than the maximum permissible inlet pressure, you  
must isolate the AdvantagePlus from the gas line before  
testing. In order to do this, you must disconnect the  
union and cap the inlet gas line. In the event the gas  
valve is exposed to a pressure greater than 1/2 PSI, 14"  
water column, the gas valve must be replaced.  
The electrical connection for the AdvantagePlus is on the  
left side of the combustion shroud. There is a 1/2" knock-  
out location for electrical connection. All electrical wiring  
must be performed by a qualified licensed electrician,  
and in accordance with National Electrical Code, or to the  
applicable local codes and standards. The electrical  
requirements are for standard 120 volts, 60 Hz., 10 amp  
service. It is recommended that an electrical disconnect  
switch be placed near the water heater, and that the con-  
nection to the AdvantagePlus be made using 3/8" extra-  
flex, or 3/8" greenfield (or equivalent). This unit must be  
wired with #14 AWG, and fused for no more than 15  
amps. It is of extreme importance that this unit be  
properly grounded! Ground the water heater by con-  
necting the green wire in the electrical access compart-  
ment directly to the main building ground system. It is  
very important that the building system ground is  
inspected by a qualified electrician prior to making  
Failure to follow all precautions could result in fire,  
explosion or death! It is recommended that a soapy  
solution be used to detect leaks. Bubbles will appear and  
indicate a leak is present. The gas piping must be sized  
for the proper flow and length of pipe to avoid unaccept-  
able pressure drop. Both the gas meter and the gas reg-  
ulator must be properly sized for the total gas load. If you  
experience a pressure drop greater than 1" W.C., the  
meter or regulator or gas line may be undersized or in  
need of service. On the inlet side of the gas valve, there  
is a 1/8" NPT plug. This plug can be removed to attach a  
manometer. You can attach a meter to the incoming gas  
drip leg by removing the cap and installing the meter. The  
gas pressure must remain between 7" and 14" of water  
column during stand-by and unit running heat cycle. If an  
in-line regulator is used, it must be a minimum of 10 feet  
from the AdvantagePlus. It is very important that the  
gas line is properly purged by the gas supplier or  
utility. Failure to properly purge the lines or improp-  
er line sizing, will result in the failure of the  
AdvantagePlus lighting off. The gas valve is a special  
gas valve which has a Pressure Augmented Regulator  
feature, as well as negative outlet pressure. This valve  
must not be replaced with a conventional valve under any  
circumstances. Make sure valve is in the “OFF” position  
prior to turning gas supply on. As an additional safety  
feature, this valve has a left hand thread on the outlet  
end, and a special tamper resistant electrical connector.  
this connection.  
Once all connections have been  
made, the electrical access may be closed. It is very  
important that the electrical power is not turned on until  
gas and venting connections are completed and the tank  
is full of water.  
A green LED is provided on the main control board.  
This LED must be illuminated when appliance is  
turned on for proper operation. Failure to illuminate  
means bad or missing ground or reverse polarity.  
GAS CONNECTION  
Gas supply shall not exceed a maximum inlet pressure of  
14" water column (350 mm), 1/2 pound pressure (3.4  
kPa), and a minimum of 7" water column (natural and  
propane). The entire piping system, gas meter, and reg-  
ulator must be sized properly to prevent a pressure drop  
greater than 0.5" of water column as stated in the  
National Fuel Gas Code. Gas pressure information is  
listed on the rating plate. It is very important that you  
are connected only to the type of gas noted on the  
rating plate; "LP" or propane gas or "Nat" natural  
gas or city gas. All gas connections must be approved  
by the local gas supplier or utility in addition to the gov-  
erning authority prior to turning the gas supply on. The  
nipple provided for the inlet gas connection is 1/2", and it  
is mandatory that a 3/4" to 1/2" reducing bushing (pro-  
vided) is used, threaded into the branch of a 3/4" tee, and  
a drip leg fabricated, as per the National Fuel Gas Code.  
WARNING  
!
Never use open flame to test for gas leaks, as  
bodily injury or property damage could result.  
WARNING  
!
DO NOT exceed input shown on water heater rating  
plate.  
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VENTING WHEN USING 3" VENT PIPE  
10) Always place 1/2 inch x 1/2 inch 16 gauge galva-  
nized steel screen in the intake and exhaust openings to  
prevent foreign matter from entering the AdvantagePlus.  
11) The vent system must be balanced by friction loss  
equivalent (See table on page 10).  
12) The same method must be used for both intake and  
exhaust termination. DO NOT terminate one horizontal-  
ly and the other vertically.  
(ONLY MODELS WITH INPUTS OF 100,000 BTU AND 130,000 BTU  
ARE CERTIFIED TO USE 2" VENT PIPE, SEE SPECIAL VENTING  
INSTRUCTIONS SECTION)  
For inlet air supply, top pipe on the right of the shroud,  
use 3" PVC schedule 40. It is very important that you plan  
the location properly to eliminate long pipe runs and  
excessive fittings. Inlet pipe size must not be reduced.  
Do not combine the inlet air with any other inlet pipe  
including an inlet to an additional similar appliance.  
The joints must be properly cleaned, primed, and  
cemented. The piping must also be properly supported  
as per local and national standard plumbing codes. It is  
important that the piping be clean and free from burs,  
debris, ragged ends, and particles of PVC.  
13) Roof Venting: The vent intake and exhaust must be  
properly cleaned and glued, for pressure tight joints.  
Several methods for venting the AdvantagePlus can be  
found on pages 22 and 23. Use the layout as a guide-  
line. Certain site conditions such as multiple roof  
lines/pitches may require venting modifications-consult  
factory. The air inlet must be a minimum of 1' vertically  
above the maximum snow level or 24" whichever is  
greater. The air inlet must also be a minimum of 10' hor-  
izontally from the roof and terminated with a tee. The  
exhaust must be a minimum of 24" above the air inlet  
opening and terminated with a coupling. It is very impor-  
tant that there are no other vents, chimneys, or air inlets  
in any direction for at least 4'. All venting must be  
properly supported, as the AdvantagePlus is not  
intended to support any venting whatsoever. All pip-  
ing, glue, solvents, cleaners, fittings, and components  
must conform to ASTM (American Society for Testing and  
Materials), and ANSI (American National Standard  
Institute).  
For exhaust piping, lower pipe on the right of the shroud,  
use only ABS schedule 40 or CPVC schedule 40 or 80,  
NON FOAM CORE, in the first 84" (7 feet) of vent length.  
The balance of the inlet and exhaust piping may be PVC  
schedule 40, ABS schedule 40 or CPVC schedule 40 or  
80, NON FOAM CORE ONLY, as required to meet local  
venting codes.  
Exhaust piping should be sloped back to the connection  
on the AdvantagePlus, at least 1/4 inch per foot of pipe,  
to remove the condensate that forms within the pipe. The  
total combined length of pipe, (inlet air piping plus  
exhaust piping) including allowances for elbows, should  
not exceed 85 equivalent feet. The total combined length  
of pipe, including allowances for elbows, should not be  
less than 22 equivalent feet (minimum length of 12 feet of  
piping, including allowances for elbows, on the inlet and  
the exhaust). Choose your vent termination locations  
carefully. You must make certain that exhaust gas does  
not re-circulate back into the air inlet pipe. You must  
place your vent terminations in an open area, according  
to the following guidelines.  
14) It is recommended that you use vent kits specifically  
designed for AdvantagePlus installations.  
PIPE / FITTINGS WHEN USING 3” VENT PIPE  
The first 84" (7’) of exhaust piping, must be of 3" ABS  
solid only (provided) or CPVC; (NEVER use cellular  
foam core pipe on exhaust piping), and conform to  
ASTM D-3965 for ABS or ASTM F-441 for CPVC, and fit-  
tings to ASTM D2661 & D3311 for ABS and ASTM F-439  
for CPVC. The balance of exhaust piping, and all of  
intake piping, use standard 3" PVC schedule 40 or 3"  
ABS schedule 40, conforming to ASTM D2665, or ABS  
conforming to ASTM D-3965 & ASTM R-441 for ABS; and  
fittings conforming to ASTM D-2665 & D331. ABS may  
also be used for intake venting as long as pipe conforms  
to ASTM D3965 & D2661 and fittings meet ASTM D2661  
& D3311.  
Venting Guidelines  
1) Never vent into a walkway or patio area, or an alley,  
or otherwise public area less than 7' from the ground.  
2) Allow four (4) feet below or four (4) feet horizontally  
from any door, window or gravity air inlet to the building  
or other appliance.  
3) Never install a heat saver or similar product to cap-  
ture waste heat from exhaust.  
FOR LONGER VENT LENGTHS WHEN USING 3”  
VENT PIPE  
4) Always have vent location at least 1' above maximum  
snow level.  
All venting must be 3", both intake and exhaust. NEVER  
use any piping less than 3", or different size pipe on  
the intake and exhaust. You may use 4" venting on  
both intake and exhaust to lower the pressure drop and  
provide additional venting length. It is imperative when  
using 4" venting to follow these instructions very  
carefully. For longer venting lengths, the first 10' of  
both the intake and exhaust piping are 3". For the  
intake, use 10' of 3" PVC plus one 90 degree or two  
45 degree elbows. For the exhaust, use 10' of ABS  
solid NON FOAM CORE, or CPVC plus one 90 degree  
5) Always have vent 1' above ground level, away from  
shrubs and bushes.  
6) Follow local gas codes in your region or refer to  
National Fuel Gas Code, or Can B149.  
7) Always have vent at least 3' from an inside corner of  
outside walls.  
8) Maintain at least 4' clearance to electric meters, gas  
meters and exhaust fans or inlets.  
9) Inlet air must be taken from outside of building next  
to exhaust outlet, no closer than 8".  
8
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or two 45 degree elbows. Then use a 4" x 3" PVC or 4"  
x 3" ABS reducing coupling. Then proceed with PVC 4"  
NON FOAM CORE pipe and fittings for both the intake  
and exhaust piping. On 4" piping you may go an addi-  
tional 125 equivalent feet of pipe and fittings, combined  
total length. The 4" fittings have a friction loss allowance  
as follows:  
schedule 40 piping, conforming to ASTM D-1785, and fit-  
tings conforming to ASTM D-2466, or ABS pipe conform-  
ing to ASTM D-3965 and ASTM D-2661, and fittings con-  
forming to ASTM D-3311 and ASTM D-2661. (NEVER  
use cellular foam core pipe on exhaust piping)  
FOR LONGER VENT LENGTHS WHEN USING  
2" VENT PIPE  
4" 90 degree = 3' and a 4" 45 degree = 1'.  
You may use 3 inch venting on both the intake and  
exhaust to lower the pressure drop and provide addition-  
al vent length. It is imperative when using 3 inch venting  
to follow these instructions carefully. For longer vent  
lengths, the first 10 feet of both the intake and exhaust  
piping must be 2 inches. For the first 10 foot use 2 inch  
PVC schedule 40 NON FOAM CORE, 2 inch ABS NON  
FOAM CORE or 2 inch CPVC schedule 40 or 80 plus one  
90 degree or two 45 degree elbows. Then use a 2" x 3"  
reducing coupling of like material. Then proceed with 3  
inch PVC schedule 40 NON FOAM CORE, 3 inch ABS  
NON FOAM CORE or 3 inch CPVC schedule 40 or 80  
pipe and fittings for both the intake and exhaust piping.  
On 3 inch pipe you may go an additional 125 equivalent  
feet of pipe and fittings, combined total length. The total  
combined equivalent vent length would be 30 equivalent  
feet of 2-inch vent and 125 equivalent feet of 3-inch vent,  
for a maximum equivalent vent length of 155 feet. Never  
use different pipe sizes for intake and exhaust.  
The total maximum venting length can be 125', plus the  
first 10' of each 3", and a maximum fitting allowance of  
the 3", total two 90 degree or four 45 degree before  
increasing to 4". Total equivalent would be 30' of 3" plus  
125' of 4". Never use different pipe sizes for intake and  
exhaust.  
SPECIAL VENTING INSTRUCTIONS USING 2" VENT  
PIPE  
(ONLY MODELS WITH INPUTS OF 100,000 BTU AND 130,000 BTU  
ARE CERTIFIED FOR 2" VENTING) HE45-100, HE45-130, HE80-130,  
HE119-130  
For inlet air supply, top pipe on the right of the shroud,  
use 2 inch PVC schedule 40. It is very important that you  
plan the location properly, to eliminate long pipe  
runs and excessive fittings. Inlet pipe size must not be  
reduced. Do not combine the inlet air with any other inlet  
pipe, including an inlet to an additional similar appliance.  
The joints must be properly cleaned, primed and cement-  
ed. The piping must also be properly supported as per  
local and national standard plumbing codes. It is impor-  
tant that the piping be clean and free from burs, debris,  
ragged ends and particles of PVC.  
CLEANER / CEMENT  
Cement for all venting must be ALL PURPOSE Cement,  
and must conform to ASTM D-2235, D-2564 and F-493,  
and cleaner for the piping and fittings must conform to  
ASTM F-656.  
NOTE:  
THE METHODS DESCRIBED ARE SUGGESTED  
GENERIC METHODS ONLY. SPECIFIC JOB SITE  
OBSERVATIONS AND SIZING MAY REQUIRE ALTER-  
NATE INSTALLATION METHODS. CONSULT THE  
FACTORY WITH SPECIFIC JOB REQUIREMENTS  
FOR ADDITIONAL RECOMMENDATIONS.  
For exhaust piping, lower pipe on the right of the shroud,  
use 2 inch PVC schedule 40 NON FOAM CORE. Use 2  
inch ABS NON FOAM CORE or 2 inch CPVC schedule  
40 or 80 only when required to meet local venting codes.  
Exhaust piping should be sloped back to the connection  
on the AdvantagePlus, at least 1/4 inch per foot of pipe,  
to remove the condensate that forms within the pipe. The  
total combined length of pipe, (inlet air piping plus  
exhaust piping) including allowances for elbows, should  
not exceed 85 equivalent feet. The total combined length  
of pipe, including allowances for elbows, should not be  
less than 22 equivalent feet (minimum length of 12 feet of  
piping, including allowances for elbows, on the inlet and  
the exhaust). Choose your vent termination locations  
carefully. You must make certain that exhaust gas does  
not re-circulate back into the air inlet pipe. You must  
place your vent terminations in an open area, according  
to the venting guidelines section on page 8.  
VERY IMPORTANT SET-UP INSTRUCTIONS!  
IF YOU HAVE A COMBUSTION ANALYZER, THE FOL-  
LOWING RATINGS WILL BE VERY HELPFUL IN SET-  
TING UP YOUR ADVANTAGE PLUS:  
FOR NATURAL GAS -  
CO reading should be between (9 1/2% – 10%)  
2
O reading should be between (3 1/2% – 4 1/2%)  
2
CO reading should be under 10 PPM  
FOR PROPANE GAS -  
CO reading should be between (10 1/2% – 11 1/2%)  
2
O reading should be between (3 1/2% – 4 1/2%)  
2
PIPE / FITTINGS WHEN USING 2" VENT PIPE  
All inlet air and exhaust venting may use standard PVC  
CO reading should be under 10 PPM  
9
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FRICTION LOSS EQUIVALENCE TABLES  
AFTER THE FIRST 10' OF 3" ONLY  
4" EQUIVALENT TABLE  
3" VENTED MODELS  
2" VENTED MODELS  
FITTING  
DESCRIPTION  
EQUIVALENT  
FEET OF PIPE  
FITTING  
DESCRIPTION  
EQUIVALENT  
FEET OF PIPE  
FITTING  
DESCRIPTION  
EQUIVALENT  
FEET OF PIPE  
3" 90˚  
5'  
2" 90˚  
5'  
4" 90˚  
3'  
3" 45˚  
3'  
2" 45˚  
3'  
4" 45˚  
1'  
3" Coupling  
3" Tee  
0'  
0'  
2" Coupling  
2" Tee  
0'  
0'  
4" Coupling  
4" Tee  
0'  
0'  
3" Pipe  
3" Concentric vent kit  
3" V1000 vent kit  
1' = 1'  
3'  
0'  
2" Pipe  
2" Concentric vent kit  
1' = 1'  
3'  
4" Pipe  
1' = 1'  
VENTING EXAMPLES (NOTE: SHOWN AS INTAKE & EXHAUST PIPE FITTINGS ADDED TOGETHER  
* = MINIMUM VENT LENGTH  
** = MAXIMUN VENT LENGTH  
GRAND TOTAL  
VENT LENGTH  
(FEET) WITH  
TOTAL COMBINED  
VENT LENGTH  
(FEET) INTAKE &  
EQUIVALENT  
FRICTION LOSS  
(FEET) FOR EACH  
TOTAL FRICTION  
LOSS FOR  
QTY. OF 90˚  
FITTING FRICTION  
EXHAUST  
*12  
20  
ELBOWS  
ELBOW  
ELBOWS  
10  
10  
15  
20  
25  
30  
35  
40  
45  
50  
55  
60  
65  
15  
20  
25  
30  
35  
40  
45  
50  
55  
15  
20  
25  
30  
35  
40  
45  
15  
20  
25  
30  
35  
15  
20  
25  
15  
LOSS ADDED  
2
2
3
4
5
6
7
8
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
22  
30  
35  
40  
45  
50  
55  
60  
65  
70  
75  
80  
85**  
45  
50  
55  
60  
65  
70  
75  
80  
85**  
55  
60  
65  
70  
75  
80  
85**  
65  
70  
75  
80  
85**  
75  
80  
85  
85  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20**  
30  
30  
30  
30  
30  
30  
30  
30  
30**  
40  
40  
40  
40  
40  
40  
40**  
50  
50  
50  
50  
50**  
60  
60  
60**  
70**  
9
10  
11  
12  
13  
3
4
5
6
7
8
9
10  
11  
3
4
5
6
7
8
9
3
4
5
6
7
3
4
5
3
10  
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OPERATION  
CONTROL DESCRIPTION  
NEVER PURGE FROM THE T&P VALVE.  
The fully integrated water heater control is an all elec-  
tronic, fully automatic controller which will provide many  
years of trouble free service. The control requires no  
periodic maintenance and includes a built-in micro-  
processor which performs a number of diagnostic tests to  
verify proper appliance and control operation. Should an  
unsafe condition occur, the burner will shut down and the  
appropriate status indicators will illuminate indicating the  
need for service. Consisting of two printed circuit board  
assemblies, the controller's main board is attached to the  
inside left of the shroud while the display board is mount-  
ed to the front top of the shroud. This arrangement sim-  
plifies access for the user adjustments while enhancing  
the visibility of the temperature display and status indica-  
tors. A power step-down transformer and blower pres-  
sure switch are also mounted on the inside left of the  
shroud. The controller display functions include a high  
visibility three digit LED readout which is used to display  
the actual water temperature within the tank along with  
the programmed desired water temperature (set point  
temperature). Nine individual LED indicators are also  
mounted on the display board which are used to deter-  
mine the operating status of the appliance and provide  
assistance when troubleshooting any problems which  
may occur. All indicators are of the solid state variety and  
should last for the life of the appliance. The controller  
has sufficient built-in memory to retain the programmed  
temperature set point in the event power is ever inter-  
rupted. The final component of the control system  
includes a temperature sensing probe which is threaded  
into the side of the tank. This probe is of unique con-  
struction in that both the temperature sensing/control and  
safety limit functions are performed by this single device.  
All probe components are of solid state construction to  
provide extended operational life.  
4. Turn on electrical supply.  
5. The control will first display "102", then "88.8", which is  
the control test, and finally the actual tank temperature at  
the probe.  
TEMPERATURE SET POINT ADJUSTMENT  
PROCEDURE  
WARNING  
!
When this water heater is supplying general purpose  
hot water requirements for individuals, a thermostat-  
ically controlled mixing valve for reducing point of  
use water temperature is recommended. Contact a  
licensed plumber or the local plumbing authority for  
further instructions.  
The three digit LED display will illustrate actual water  
temperature within the tank under normal operating con-  
ditions. However, this display is also used to indicate the  
temperature set point when in the programming mode.  
The controller has a temperature set point range of 70°F  
to 160°F (Booster models have a maximum set point of  
180°F), with a factory setting of 120°F.  
NOTE: Power must be applied to the controller prior  
to any programming operations.  
To change or access the programmed temperature set  
point value, utilize the red button on the display panel.  
Momentarily depressing the button will briefly illustrate  
the existing set point value. If the button is held down for  
more than one second, the programming mode is  
entered and the set point value will begin incrementing by  
one degree per second. When the desired set point  
value is reached, simply release the button and the con-  
troller will automatically retain this value in temporary  
memory. After 30 seconds, this new set point will be  
retained in permanent memory.  
START UP PROCEDURE  
(NEVER APPLY POWER TO AN ADVANTAGEPLUS  
UNIT THAT IS NOT COMPLETELY FILLED WITH  
WATER)  
1. Make sure that the AdvantagePlus has been installed  
to these instruction procedures along with all applicable  
state and local codes.  
NOTE: If power is interrupted during this 30 second  
period, the new set point will not be retained in per-  
manent memory. It is a good practice to re-check the  
set point value approximately 60 seconds after a new  
value has been entered.  
2. Make sure all gas piping and connections have been  
verified and inspected by all applicable inspectors. Turn  
on gas supply. Ensure that the gas line and the LP tank,  
if applicable, has been properly purged. Failure to prop-  
erly purge the gas lines will result in failure to  
operate.  
If the button is held down, the maximum set point will  
reach 160°F (180°F on Booster models) and stop. This is  
the maximum value. At this point, if the desired set point  
has not been obtained, release the button and depress it  
again, the set point will decrement down to 700 F and  
stop. The set point value will now restart at 700 F and  
once again increase in value for as long as the button is  
pressed.  
3. Make sure that the cold water supply has been turned  
on and the AdvantagePlus is completely filled with water.  
Verify by opening a hot water faucet, or purging at the  
dishwasher, and allowing water to flow until all air is  
removed and a clear water flow is present.  
11  
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DANGER  
!
8. If flame is present, the control will enter the heating  
mode where it will continue heating the tank water until  
the set point temperature plus 4°F is reached. At this  
point, the gas valve is closed and the control enters the  
post-purge cycle. The flame can be viewed through a  
window on the lower right of combustion blower flange.  
There is a hot water SCALD POTENTIAL if the  
thermostat is set too high.  
THERMOSTAT DIFFERENTIAL ADJUSTMENT  
PROCEDURE  
9. The post purge cycle continues to run the combustion  
blower for an additional 30 seconds to purge the system  
of all combustion gases. After this time period, the blow-  
er is de-energized and will coast to a stop.  
To allow proper water heater operation, the control has  
an 8°F "window" around the set point. This means that  
the burner will be turned on when the water temperature  
drops to 4°F below the set point, and it will be turned off  
when the water temperature reaches 4°F above the set  
point. Thus, if the set point is set to 120°F., the control  
will turn on the burner when the water temperature drops  
to 116°F., and will continue to heat the water until the  
temperature reaches 124°F. The differential is factory set  
to 8°F (+ or- 4°F.) If another differential is required, the  
value of the differential can be field adjusted by holding  
the set point button when power is applied to the control.  
Shut off power to the control. Next hold in the set point  
button. Now reapply power to the control. Using the set  
point button, the value of the differential can be incre-  
mented or decremented as above. When the proper  
value is reached, release the button and wait for the dis-  
play to show "00". This indicates the new differential has  
been stored into permanent memory. Remove power  
and restart control by applying power for normal opera-  
tion.  
10. The control will now enter the idle state while contin-  
uing to monitor internal tank water temperature. If the  
temperature drops to 4°F below the set point value, the  
control will automatically return to step 1.  
STATUS INDICATORS  
Pages 16-20 contain nine individual diagrams which illus-  
trate the various operating states of the appliance and  
their relation to the LED status indicators found on the  
controller. These diagrams reflect normal water heater  
operation.  
MAINTENANCE  
CAUTION  
!
o
In unusually dirty or dusty conditions, care must  
be taken to keep appliance door in place. Failure  
to do so VOIDS WARRANTY!  
OVERALL APPLIANCE AND CONTROL OPERATION  
A normal operating sequence is as follows:  
The control system requires no periodic maintenance  
under normal conditions. However, in unusually dirty or  
dusty conditions, periodic vacuuming of the cover to  
maintain visibility of the display and indicators is recom-  
mended.  
1. The control determines that the actual water tempera-  
ture inside the tank is 4 degrees F below the pro-  
grammed temperature set point.  
2. The control performs selected system diagnostic  
checks.  
INTERNAL WIRING  
3. If all checks are successfully passed, the combustion  
blower is energized for the 40 second pre-purge cycle.  
For specific wiring information, please refer to the dia-  
grams on pages 21 and 22.  
4. After the pre-purge cycle is complete, power is applied  
to the ignitor element for the ignitor warm-up period  
(blower should continue to run).  
SHUTDOWN PROCEDURE  
If the burner is operating, lower the set point value to  
70°F and wait for the burner to shut off. Continue to wait  
for the combustion blower to stop so all latent  
combustion gases are purged from the system.  
This should take a maximum of 40 to 90 seconds.  
Disconnect the electrical supply. If the burner is not oper-  
ating, disconnect the electrical supply.  
5. The ignitor warm-up period will last for 30 seconds,  
then gas valve will be opened, allowing gas to enter the  
burner chamber.  
6. The ignitor will remain on for an additional 4 seconds,  
then it will be turned off.  
7. After an additional 2 seconds, the control will verify the  
presence of flame. If the flame was not established, the  
gas valve will be closed, power will be removed from the  
ignitor element, and the control will run the blower for 30  
seconds. This removes excess fuel from the combustion  
chamber. At this point, the control will return to step 2.  
VACATION PROCEDURE  
If there is danger of freezing, change the set point to  
70°F. DO NOT turn off electrical power. If there is no  
danger of freezing, follow the "Shutdown Procedure".  
12  
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FAILURE TO OPERATE  
CORROSIVE ATMOSPHERES  
Should the burner fail to light, the control will perform two  
more ignition trials prior to entering a lockout state (flash-  
ing “LOC”). Note that each subsequent ignition trial will  
not occur immediately. After a failed ignition trial, the  
blower must run for approximately 10 seconds to purge  
the system, then the ignitor element must complete a 30  
second warm-up period. Therefore, a time period of  
approximately 40 to 90 seconds will expire between each  
ignition trial. If the burner lights during any one of these  
three ignition trials, normal operation will resume. If the  
burner lights, but goes off in about 4 seconds, check the  
polarity of the wiring. See electrical on page 6. If the  
burner does not light after the third ignition trial, the  
control will enter a lockout state. This lockout state  
indicates that a problem exists with either the appli-  
ance, the controls, or the gas supply. Under such cir-  
cumstances, a qualified service technician should be  
contacted immediately to properly service the appliance  
and correct the problem. If a technician is not available,  
depressing the red button once will remove the lockout  
state so additional trials for ignition can be performed.  
Any time flashing double zero’s are shown, you must  
look for an LED out, or flashing. The LED that is out  
or flashing will assist you in diagnosing lock out con-  
dition.  
The heater should not be installed near an air supply con-  
taining halogenated hydrocarbons. For example, the air  
in beauty salons, dry cleaning establishments, photo pro-  
cessing labs, and storage areas for liquid and powdered  
bleaches or swimming pool chemicals often contain  
hydrocarbons. The air there may be safe to breathe, but  
when it passes through a gas flame, corrosive elements  
are released that will shorten the life of any gas burning  
appliance. Propellants from common spray cans or gas  
leaks from refrigeration equipment are highly corrosive  
after passing through a flame. The limited warranty is  
voided when failure of water heater is due to a corrosive  
atmosphere. (Reference is made to the limited warranty  
for complete terms and conditions.)  
CONDENSATE  
This is a condensing high efficiency appliance, therefore  
this unit has a condensate removal system. Condensate  
is nothing more than water vapor, derived from the com-  
bustion products, similar to an automobile when it is ini-  
tially started. This condensate does have a low pH and  
should be treated with a condensate filter. This filter con-  
tains either lime crystals or marble crystals, which will  
neutralize the condensate. The outlet of the filter is sized  
for 5/8" ID (inside diameter) plastic tubing. It is very  
important that the condensate line is sloped away from  
and down to a suitable inside drain. If the condensate  
outlet on the AdvantagePlus is lower than the drain, you  
must use a condensate removal pump. It is also very  
important that the condensate line is not exposed to  
freezing temperatures, or any other type of blockage.  
Plastic tubing should be the only material used for the  
condensate line. Steel, brass, copper, or other metals will  
be subject to corrosion and deterioration. A second vent  
may be necessary to prevent condensate line vacuum  
lock if a long horizontal run is used. Also an increase to  
1" tubing may be necessary.  
FUEL CONVERSIONS  
This product may be converted from L.P. gas (propane)  
to Natural gas or from Natural gas to L.P. gas (propane).  
For information and requirements about this procedure  
call the Technical Service Department at 1-800-432-  
8373.  
WARNING  
!
Should overheating occur or the gas supply fail to shut  
off, turn off the manual gas control valve to the appliance.  
NOTE: Always check local codes for proper  
evacuation of condensate.  
WARNING  
!
DO NOT use this appliance if any part has been under  
water. Immediately call a qualified service technician to  
inspect the appliance and to replace the water heater if  
the control system or any gas control which has been  
under water.  
INSTALLATION OF A CONDENSATE NEUTRALIZER AND PUMP (Not Supplied)  
CONDENSATE LINE  
CONDENSATE LINE WITH PUMP  
FROM ADVANTAGE PLUS  
FROM ADVANTAGE PLUS  
TO DRAIN  
TO DRAIN  
CONTACT YOUR LOCAL WHOLESALE PLUMBING SUPPLY  
STORE FOR MORE INFORMATION ON CONDENSATE  
NEUTRALIZERS AND PUMPS  
CONDENSATE LINE MUST BE PITCHED AT LEAST 1/4" PER FOOT TO PROPERLY DRAIN.  
IF THIS CANNOT BE DONE OR A VERY LONG LENGTH OF CONDENSATE HOSE IS USED  
YOU MUST INCREASE THE CONDENSATE HOSE TO A MINIMUM OF 1" I.D. AND PLACE A  
TEE IN THE LINE AFTER THE CONDENSATE NEUTRALIZER TO PROPERLY REDUCE  
VACUUM LOCK IN THE DRAIN LINE.  
13  
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Components of the AdvantagePlus  
1. 1/2” NPT x 6” Gas Inlet Nipple  
2. Gas Valve  
3. Gas Valve Elbow  
4. Gas Orifice Union  
5. Gas Orifice  
6. Union Connector Nipple  
7. Main Control PC Board  
8. Display PC Board  
9. Pressure Switch  
10. Transformer  
11. ECO / Temperature Probe  
12. Carborundum Ignitor  
13. Flame Rectification Probe  
14. Over Temperature Switch  
15. Combustion Blower  
16. Glass Sight Window  
17. Air Inlet Adapter  
18. Air Inlet Connector  
19. Air Inlet Manifold  
20. Exhaust Outlet Connector  
21. Exhaust Elbow and Drain  
22. Condensate Connector Hose  
23. 1/2” barb x 1/2” M Adapter  
24. 15/16” Hose Clamp  
25. 90 degree Street Elbow  
26. Combination 90 degree Elbow  
27. Conduit 1/32” locknut  
28. Combination 90 degree Elbow  
REPLACEMENT PARTS NOT SHOWN  
Low Voltage Cable Assembly  
Interconnect Ribbon Cable  
Line Cable  
Blower Cable  
Gasket Burner Mounting Flange  
Gasket Blower Outlet Flange  
Gasket Air Inlet  
Gasket Burner Mounting Flange White  
14  
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GAS VALVE ADJUSTMENT  
Let the unit start to cycle and listen carefully to the igni-  
tion. If the ignition was quiet, the valve will need no  
adjustment. If it was a loud ignition, the unit rumbles, or  
there was no ignition at all, follow these steps:  
M
P
1
3
C
2
O F F  
IF THERE WAS NO IGNITION:  
Gas Valve  
Adjustment  
Screw  
1. Make sure the gas valve is in the "on" position, gas is  
on to the unit, and the gas valve wiring harness is  
plugged into the gas valve and into the control board.  
ON  
PILOT ADJ  
CAUTION  
!
2. Turn the adjustment screw under the brass cap. Turn  
one full turn clockwise with a small flathead screwdriver.  
Turning the adjustment screw clockwise increases the  
amount of gas.  
THERE ARE NO USER SERVICEABLE PARTS WITH-  
IN THE CONTROL SYSTEM. TO MAINTAIN SAFETY  
AND PROPER APPLIANCE PERFORMANCE, REFER  
ALL TROUBLESHOOTING TO QUALIFIED SERVICE  
PERSONNEL.  
3. If the unit still does not ignite, turn the adjustment  
screw two full turns counterclockwise.  
TROUBLESHOOTING  
IF IGNITION WAS POOR:  
The appliance controller has many inherent diagnostic  
and fault detection routines built into its operating soft-  
ware and hardware. These routines, along with the three  
digit LED display and nine LED status indicators present  
on the display panel, can greatly assist the service per-  
son in quickly pinpointing the source of problems that  
may occur with the appliance. In certain circumstances,  
multiple LED's may be lit or flashing to better pinpoint the  
problem. The following charts, diagrams, and informa-  
tion can be used during troubleshooting procedures. See  
also Trouble Shooting Guides and Sequence of  
Operations at the end of this Use and Care Manual.  
1. Look at the color of the flame through the sight glass  
while the unit is running. If it is green or red in color, or  
the heater whistles on ignition, turn the adjustment screw  
counterclockwise at 1/8” turn intervals until the flame  
turns blue/light blue in color or the whistling at ignition  
stops. If the flame is very weak or pulsing, turn the  
adjustment screw clockwise until the flame steadies.  
2. Put the gas valve adjustment screw cover back in  
place and tighten.  
3. Put the AdvantagePlus cabinet door back into place.  
N O T E S  
________________________________________________________________________________  
________________________________________________________________________________  
________________________________________________________________________________  
________________________________________________________________________________  
________________________________________________________________________________  
________________________________________________________________________________  
________________________________________________________________________________  
________________________________________________________________________________  
________________________________________________________________________________  
________________________________________________________________________________  
________________________________________________________________________________  
________________________________________________________________________________  
________________________________________________________________________________  
________________________________________________________________________________  
________________________________________________________________________________  
________________________________________________________________________________  
________________________________________________________________________________  
15  
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STATUS INDICATIONS UNDER NORMAL CONDITIONS  
K3  
K4  
PRESSURE  
SWITCH  
ECO/VENT  
SWITCH  
GAS  
VALVE  
RLY 2  
24  
VAC  
GAS  
VALVE  
RLY 1  
LINE  
K1  
GAS  
VALVE  
COMB  
BLOWER  
K1  
K5  
K3  
K5  
CONTROL  
ELECTRONICS  
IGNITER  
K4  
ELEMENT  
WATER  
TEMPERATURE  
CONTROL  
HEALTH  
1. Idle Status  
K3  
K4  
PRESSURE  
SWITCH  
ECO/VENT  
24  
SWITCH  
VAC  
GAS  
VALVE  
RLY 2  
GAS  
VALVE  
RLY 1  
LINE  
K1  
GAS  
VALVE  
COMB  
BLOWER  
K1  
K5  
K3  
K5  
CONTROL  
ELECTRONICS  
IGNITER  
K4  
ELEMENT  
WATER  
TEMPERATURE  
CONTROL  
HEALTH  
2. Call for Heat  
K3  
K4  
PRESSURE  
SWITCH  
ECO/VENT  
SWITCH  
GAS  
VALVE  
RLY 2  
24  
VAC  
GAS  
VALVE  
RLY 1  
LINE  
K1  
KEY:  
GAS  
VALVE  
COMB  
Lamp ON  
BLOWER  
K1  
K5  
K3  
K5  
CONTROL  
Lamp OFF  
ELECTRONICS  
IGNITER  
K4  
ELEMENT  
Lamp Flashing  
WATER  
TEMPERATURE  
CONTROL  
HEALTH  
3. Combustion Blower Powered  
NOTICE:  
If an error message is still indicated after removal of the replaceable 3 amp fuse on the CONTROL,  
there is a problem with the transformer. The TRANSFORMER has an internal non-replaceable fuse.  
The transformer must be replaced. Please contact your local distributor or service professional.  
16  
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K3  
K4  
K3  
K4  
PRESSURE  
SWITCH  
PRESSURE  
SWITCH  
ECO/VENT  
SWITCH  
ECO/VENT  
SWITCH  
GAS  
VALVE  
RLY 2  
GAS  
VALVE  
RLY 2  
24  
VAC  
GAS  
VALVE  
RLY 1  
24  
VAC  
GAS  
VALVE  
RLY 1  
LINE  
LINE  
K1  
K1  
GAS  
VALVE  
GAS  
VALVE  
COMB  
COMB  
BLOWER  
BLOWER  
K1  
K5  
K3  
K1  
K5  
K3  
K5  
K5  
CONTROL  
CONTROL  
ELECTRONICS  
ELECTRONICS  
IGNITER  
IGNITER  
K4  
K4  
ELEMENT  
ELEMENT  
WATER  
TEMPERATURE  
WATER  
TEMPERATURE  
CONTROL  
HEALTH  
CONTROL  
HEALTH  
5. Igniter Element Warmup  
4. Pressure Switch Closes,  
Pre-purge Cycle Starts  
K3  
K4  
K3  
K4  
PRESSURE  
SWITCH  
PRESSURE  
SWITCH  
ECO/VENT  
SWITCH  
ECO/VENT  
SWITCH  
GAS  
VALVE  
RLY 2  
GAS  
VALVE  
RLY 2  
24  
VAC  
GAS  
VALVE  
RLY 1  
24  
VAC  
GAS  
VALVE  
RLY 1  
LINE  
LINE  
K1  
K1  
GAS  
VALVE  
GAS  
VALVE  
COMB  
COMB  
BLOWER  
BLOWER  
K1  
K5  
K3  
K1  
K5  
K3  
K5  
K5  
CONTROL  
CONTROL  
ELECTRONICS  
ELECTRONICS  
IGNITER  
IGNITER  
K4  
K4  
ELEMENT  
ELEMENT  
WATER  
TEMPERATURE  
WATER  
TEMPERATURE  
CONTROL  
HEALTH  
CONTROL  
HEALTH  
6. Burner Light-off  
7. Water Heating  
K3  
K4  
K3  
K4  
PRESSURE  
SWITCH  
PRESSURE  
SWITCH  
ECO/VENT  
SWITCH  
ECO/VENT  
SWITCH  
GAS  
VALVE  
RLY 2  
GAS  
VALVE  
RLY 2  
24  
VAC  
GAS  
VALVE  
RLY 1  
24  
VAC  
GAS  
VALVE  
RLY 1  
LINE  
K1  
LINE  
K1  
GAS  
VALVE  
GAS  
VALVE  
COMB  
COMB  
BLOWER  
BLOWER  
K1  
K5  
K3  
K1  
K5  
K3  
K5  
K5  
CONTROL  
CONTROL  
ELECTRONICS  
ELECTRONICS  
IGNITER  
IGNITER  
K4  
K4  
ELEMENT  
ELEMENT  
WATER  
TEMPERATURE  
WATER  
TEMPERATURE  
CONTROL  
HEALTH  
CONTROL  
HEALTH  
8. End Call for Heat  
9. End of Sequence, Idle State  
Start Post-purge Cycle  
STATUS INDICATIONS UNDER NORMAL OPERATING CONDITIONS  
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NO INCOMING LINE VOLTAGE OR 24 VOLT  
Line LED & 24 VAC LED Off  
K3  
K4  
POSSIBLE CAUSE  
1. No Input power.  
2. Wiring disconnected  
3. One or more wiring recep-  
tacles disconnected from  
control.  
4. LED burned out.  
5. Defective transformer.  
6. Transformer wiring problem. 6. Repair transformer wiring.  
REMEDY  
PRESSURE  
SWITCH  
ECO/VENT  
SWITCH  
GAS  
VALVE  
RLY 2  
24  
VAC  
GAS  
VALVE  
RLY 1  
LINE  
1. Apply Power  
2. Check all wiring  
3. Reconnect plugs on control.  
Confirm all are fully seated.  
K1  
GAS  
VALVE  
COMB  
BLOWER  
K1  
K5  
K3  
K5  
CONTROL  
4. Replace display board.  
5. Replace transformer.  
ELECTRONICS  
IGNITER  
K4  
ELEMENT  
WATER  
TEMPERATURE  
CONTROL  
HEALTH  
NOTE:  
The transformer is of Class II variety and has an internal non-  
replaceable fuse. If blown, a problem may exist with the control  
which is affecting the transformer. In such cases, it is recom-  
mended the control should be replaced as well.  
IGNITOR LOCKOUT  
Ignitor Element LED Flashing  
K3  
K4  
POSSIBLE CAUSE  
1. Broken ignitor element.  
2. Ignitor unplugged.  
3. Insufficient ignitor current  
draw.  
REMEDY  
1. Replace ignitor element.  
2. Plug in ignitor.  
3. Monitor ignitor current draw.  
See note below.  
PRESSURE  
SWITCH  
ECO/VENT  
SWITCH  
GAS  
VALVE  
RLY 2  
24  
VAC  
GAS  
VALVE  
RLY 1  
LINE  
K1  
GAS  
VALVE  
COMB  
BLOWER  
K1  
K5  
K3  
K5  
CONTROL  
ELECTRONICS  
NOTE:  
IGNITER  
K4  
ELEMENT  
The ignitor current is monitored by pressing the blue button to  
the left of the LEDs during the ignitor warm-up period or when  
the ignitor element LED is illuminated. The 3-segment LED  
display will show the actual ignitor current draw. The expected  
ignitor current draw is from 2.5 to 4.5 amps.  
WATER  
TEMPERATURE  
CONTROL  
HEALTH  
18  
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IGNITION LOCKOUT  
Gas Valve LED Flashing  
This condition results from a failure to establish burner ignition  
after three successive trials. In such cases:  
First - Investigate the possible cause and remedy any  
observations.  
Second - Momentarily press the red button on the display panel  
to reset the lockout condition.  
Third - Confirm the proper appliance operation.  
K3  
K4  
POSSIBLE CAUSE  
1. Burner ground wire broken  
or corroded.  
2. Connectors unplugged.  
3. Flame probe faulty.  
4. Gas shut off.  
REMEDY  
1. Check wire and connection  
at burner.  
2. Check connectors.  
3. Replace flame probe.  
4. Turn on gas supply  
5. Replace gas valve.  
6. Replace gas valve.  
7. Replace control.  
PRESSURE  
SWITCH  
ECO/VENT  
SWITCH  
GAS  
VALVE  
RLY 2  
24  
VAC  
GAS  
VALVE  
RLY 1  
LINE  
K1  
GAS  
VALVE  
COMB  
BLOWER  
K1  
K5  
K3  
K5  
CONTROL  
5. Clogged gas valve.  
6. Faulty gas valve.  
7. Defective control.  
ELECTRONICS  
IGNITER  
K4  
ELEMENT  
WATER  
TEMPERATURE  
8. Burner improperly adjusted. 8. Adjust burner.  
CONTROL  
HEALTH  
9. Dirty burner.  
9. Clean burner.  
10. Improper line connection.  
10. Verify green LED on the-  
control board is illuminated  
when power is applied.  
11. Montior flame current.  
See note below.  
11. Insufficient flame current.  
NOTE:  
The flame current (flame rectification) is monitored by pressing  
the blue button to the left of the LEDs during the heat cycle or  
when the gas valve LED is illuminated. The 3-segment LED  
display will show the actual flame curent. The expected flame  
current draw is 4.0 to 5.1 micro-amps.  
ECO SWITCH OPEN  
ECO LED Flashing  
K3  
K4  
POSSIBLE CAUSE  
1. Temperature probe is  
unplugged.  
REMEDY  
PRESSURE  
SWITCH  
ECO/VENT  
SWITCH  
GAS  
VALVE  
RLY 2  
24  
VAC  
GAS  
VALVE  
RLY 1  
LINE  
K1  
1. Check connectors.  
2. Repair wiring.  
GAS  
VALVE  
2. Temperature probe wiring  
damaged.  
3. Normal condition when  
water temperature exceeds  
safety limit. Alow tank to cool  
or admit cold water into tank.  
Manually reset the control.  
Determine cause for overtemp  
condition.  
COMB  
BLOWER  
K1  
K5  
K3  
3. Water in tank is too hot.  
ECO is tripped.  
K5  
CONTROL  
ELECTRONICS  
IGNITER  
K4  
ELEMENT  
WATER  
TEMPERATURE  
CONTROL  
HEALTH  
4. Low water cutoff device is  
tripped.  
4. Make sure tank is full of  
water.  
19  
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CONTROL HEALTH  
Control Health LED Flashing  
K3  
K4  
POSSIBLE CAUSE  
This indicates that the main  
REMEDY  
PRESSURE  
SWITCH  
ECO/VENT  
SWITCH  
GAS  
VALVE  
RLY 2  
24  
VAC  
GAS  
VALVE  
RLY 1  
LINE  
Press red reset button on the  
K1  
control board has failed one or display board to reset the con-  
GAS  
VALVE  
more of its internal diagnostic  
self-tests.  
trol. If this error occurs repeat-  
edly, replace the main control  
board.  
COMB  
BLOWER  
K1  
K5  
K3  
K5  
CONTROL  
ELECTRONICS  
IGNITER  
K4  
ELEMENT  
WATER  
TEMPERATURE  
CONTROL  
HEALTH  
COMBUSTION AIR BLOCKAGE  
Pressure Switch LED Flashing  
K3  
K4  
PRESSURE  
SWITCH  
ECO/VENT  
SWITCH  
GAS  
VALVE  
RLY 2  
24  
VAC  
GAS  
VALVE  
RLY 1  
LINE  
K1  
POSSIBLE CAUSE  
REMEDY  
1. Combustion air blockage.  
1. Check intake and exhaust  
piping for obstructions.  
2a. Repair wiring.  
GAS  
VALVE  
COMB  
2. Blower not operating:  
a. Blower wiring  
BLOWER  
K1  
K5  
K3  
2b. Replace blower motor.  
K5  
CONTROL  
b. Blower motor  
ELECTRONICS  
IGNITER  
K4  
ELEMENT  
3. Replace air switch.  
3. Defective air switch  
4. Check wires to Gas valve.  
Reseat wires into harness.  
4. One of the gas valve wires-  
may be disconnected dur-  
ing ignition sequence.  
WATER  
TEMPERATURE  
CONTROL  
HEALTH  
5. Remove or correct block-  
age connect hose to blow-  
er or air pressure switch.  
5. Poly hose between the  
blower and air pressure  
switch is blocked or discon-  
nected.  
TEMPERATURE PROBE FAULT  
Water Temp LED Flashing  
POSSIBLE CAUSE  
REMEDY  
1. Temp probe wiring open.  
2. Defective probe.  
1. Repair wiring.  
2. Replace probe.  
K3  
K4  
3. No water in tank or tank in  
freezing conditions.  
3. Control is recording an “out  
of bounds” condition. Turn on  
water supply; remove tank  
from freezing conditions.  
PRESSURE  
SWITCH  
ECO/VENT  
SWITCH  
GAS  
VALVE  
RLY 2  
24  
VAC  
GAS  
VALVE  
RLY 1  
LINE  
K1  
GAS  
VALVE  
COMB  
4. Water level in tank is too low 4. Control is recording an “out  
BLOWER  
K1  
K5  
K3  
- probe in steam.  
of bounds” condition. Fill  
tank.  
5. Replace probe.  
K5  
CONTROL  
ELECTRONICS  
IGNITER  
5. Probe wiring shorted.  
K4  
ELEMENT  
NOTE:  
WATER  
TEMPERATURE  
CONTROL  
HEALTH  
If the temperature probe housing fractures and allows water into  
the sensor section of the probe, this may affect the temperature  
display on the display pnael. If the display is showing highly  
inconsistent temperature readings, this is an indication the  
temperature probe is defective due to water contamination.  
Replace probe.  
20  
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21  
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Integrated Water Heater Control  
Parts Identification Drawing  
22  
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24"  
MIN.  
10' - 0" MIN.  
12" MIN.  
23  
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Venting Samples  
4" PVC  
MAINTAIN 12" MIN.  
(18" MIN. FOR CANADA)  
CLEARANCE ABOVE HIGHEST  
ANTICIPATED SNOW LEVEL.  
MAXIMUM OF 24" ABOVE ROOF  
HOT  
3' TO 4" PVC  
REDUCING  
COUPLING  
4" PVC  
INTAKE  
3" PVC  
MIN. 10'  
REQ'D  
HOT  
3" PVC  
MIN. 10'  
REQ'D  
12"  
3' TO 4" PVC  
REDUCING  
COUPLING  
8" MIN.  
COLD  
3" ABS  
MIN. 84"  
REQ'D  
INTAKE  
3" ABS  
MIN. 84"  
REQ'D  
FLOOR MOUNTED  
PIPE SUPPORT  
EXHAUST  
COLD  
EXHAUST  
FLOOR MOUNTED  
PIPE SUPPORT  
FIGURE 6 - VERTICAL ROOF VENTING  
3"  
FIGURE 5 - SIDE WALL VENTING  
4" (SIDE VIEW)  
4" (FRONT VIEW)  
3"  
HOT  
4" PVC  
MAX. 125'  
EQUIVALENT  
FEET OF 4"  
3' TO 4" PVC  
REDUCING  
COUPLING  
3" PVC  
MIN. 10'  
REQ'D  
FRESH AIR  
FOR  
COMBUSTION  
INTAKE  
OPTIONAL V1000  
VENT KIT  
(SIDE VIEW)  
V1000 SIDE WALL  
VENT KIT  
(FRONT VIEW)  
COLD  
EXHAUST  
3" ABS  
MIN. 84"  
REQ'D  
EXHAUST  
3' TO 4" PVC REDUCING COUPLING  
TO UTILIZE V1000 SIDE WALL VENT TERMINAL  
FLOOR MOUNTED  
PIPE SUPPORT  
FIGURE 7 - SIDE WALL VENTING USING THE V1000 VENT KIT  
3" 4" 3" (SIDE VIEW)*  
*NOTE: THE ONLY TIME 4" CAN BE REDUCED BACK  
TO 3" IS WHEN THE V1000 VENT KIT IS UTILIZED.  
24  
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AdvantagePlus with Storage Tank  
HOT  
OUT  
COLD  
IN  
PUMP  
Sample Reverse Manifold and Piping Diagram for the AdvantagePlus.  
Check Local Codes for specific piping requirements.  
PVC PVC  
3"  
PVC PVC  
3"  
PVC PVC  
3" 3"  
3"  
3"  
GAS  
GAS  
GAS  
COLD WATER  
HOT WATER  
COLD WATER  
HOT WATER  
HOT WATER  
PUMP  
CHECK VALVE  
CONDENSATE  
DRAIN  
CONDENSATE  
DRAIN  
CONDENSATE  
DRAIN  
THE INFORMATION CONTAINED IN THIS MANUAL IS FOR GUIDANCE ONLY. THE FACTORY CANNOT BE HELD  
RESPONSIBLE FOR ANY PROBLEMS ENCOUNTERED WITH INSTALLATION METHODS SHOWN.  
If there is a back flow preventer, or any type of a no return valve in the system, then you must install  
an additional tee for a suitable potable thermal expansion tank.  
25  
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Sequence of Operations  
System Lights (LEDs)  
Flashing LED indicates a  
problem  
Action  
TROUBLESHOOTING  
Tank is cold, full of water, gas supply is connected to None. No power has been  
NO  
NO  
Fill tank  
gas control valve and heater is connected to a  
applied.  
Ensure gas connections are present and no leaks  
Ensure water heater is properly vented  
120 VAC circuit. Gas valve is set to the ON position.  
YES  
Turn electric to main power to ON. The control will  
display "00" which is a diagnostic check; then "120"  
which is the control voltage; then "08" which means  
plus or minus setting is 8˚ (4˚ above and 4˚ below)  
from thermostat setting; then "??" where ?? is the  
temperature of the water in the tank.  
LINE  
See Flashing LED table  
24 VAC  
Unit is polarity sensitive. Ensure GREEN polarity LED on  
main control board is on.  
ECO/VENT SWITCH  
CONTROL HEALTH  
YES  
Thermostat calls for heat. Water temperature inside  
the tank has dropped more than 4˚ below the  
thermostat setting.  
LINE  
See Flashing LED table  
NO  
NO  
24 VAC  
ECO/VENT SWITCH  
CONTROL HEALTH  
WATER TEMPERATURE  
YES  
Combustion blower is powered for a 40 second pre-  
purge cycle.  
LINE  
See Flashing LED table  
24 VAC  
ECO/VENT SWITCH  
CONTROL HEALTH  
WATER TEMPERATURE  
COMB BLOWER  
YES  
Once there is sufficient combustion airflow, the  
LINE  
See Flashing LED table  
NO  
NO  
24 VAC  
pressure switch activates.  
ECO/VENT SWITCH  
CONTROL HEALTH  
WATER TEMPERATURE  
COMB BLOWER  
PRESSURE SWITCH  
YES  
Igniter begins 30 second warm up period.  
LINE  
See Flashing LED table  
24 VAC  
ECO/VENT SWITCH  
CONTROL HEALTH  
WATER TEMPERATURE  
COMB BLOWER  
PRESSURE SWITCH  
IGNITER ELEMENT  
YES  
26  
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Sequence of Operations  
System Lights (LEDs)  
Flashing LED indicates a  
problem  
Action  
TROUBLESHOOTING  
Power is applied to the gas valve. Gas flows into the  
burner chamber.  
NO  
LINE  
See Flashing LED table  
24 VAC  
If flame is not rectified, unit will make 2 more ignition  
trials. If there is no flame rectification after the third  
attempt, unit will go into LOCKOUT (flashing "LOC").  
Press the red reset button to clear lockout condition.  
Igniter remains on for an addition 4 seconds.  
Burner lights.  
ECO/VENT SWITCH  
CONTROL HEALTH  
WATER TEMPERATURE  
COMB BLOWER  
PRESSURE SWITCH  
IGNITER ELEMENT  
GAS VALVE  
Unit will wait approximately 60 minutes; then clear itself;  
then make another three attempts for ignition.  
Presence of flame is rectified.  
YES  
Water is heating.  
LINE  
See Flashing LED table  
NO  
24 VAC  
(Notice igniter element LED is OFF.)  
ECO/VENT SWITCH  
CONTROL HEALTH  
WATER TEMPERATURE  
COMB BLOWER  
Verify flame presence through sight window.  
PRESSURE SWITCH  
GAS VALVE  
YES  
Water reaches thermostat setting - plus 4˚.  
LINE  
See Flashing LED table  
NO  
NO  
24 VAC  
Gas valve closes. Burner turns off.  
ECO/VENT SWITCH  
CONTROL HEALTH  
COMB BLOWER  
Combustion blower runs for an additional 30  
seconds to purge the burner chamber of combustion  
gases.  
PRESSURE SWITCH  
YES  
Water is heated to thermostat setting.  
LINE  
See Flashing LED table  
24 VAC  
Blower motor stops.  
ECO/VENT SWITCH  
CONTROL HEALTH  
Heater returns to idle state.  
27  
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Display Board LEDs  
What they mean, controller functions, possible causes and suggested service remedies.  
LED Flashing  
Controlling Function  
Monitors incoming AC line voltage.  
ON when line voltage is present.  
Possible Cause  
Check Breaker  
Wiring disconnected  
Service Remedy  
Turn breaker ON  
Check wiring  
LINE  
Does not have 120 VAC  
24 VAC  
Reseat plugs on control  
module  
Repair wiring  
Plugs on module disconnected or  
loose  
Transformer wiring problem  
Transformer is defective  
Monitors incoming voltage from the  
transformer. ON when secondary 24  
VAC is present.  
Replace transformer  
Reseat plugs on control  
module  
Does not have 24 VAC  
ECO/VENT SWITCH  
Check connector. Repair wiring  
Monitors the ECO switch. ON when Water temp probe unplugged or  
ECO switch is closed (normal  
position).  
damaged  
Vent temp probe unplugged or  
Water in tank too hot  
or  
Check connector. Repair wiring  
damaged  
Water in tank is too hot (ECO is  
Normal when water gets too hot.  
Cool tank. Determine cause for  
over tem erature.  
p
Check venting for obstructions  
Check orifices to insure they match  
fuel type.  
Monitors water temperature in the  
tank and exhaust vent temperature.  
Venting has a problem  
activated). Check water temp in  
tank on display board  
Vent switch overtemp switch is  
open  
No or not enough water in tank.  
or  
To diagnose, must determine which  
function is at fault.  
Water in tank too low  
Press reset button and recheck.  
Make sure tank is full of water.  
PRESSURE SWITCH  
Combustion air blockage  
Blower not operating  
Monitors the air pressure switch. ON  
when the pressure switch is closed.  
Means there is sufficient combustion  
airflow.  
Check intake and exhaust piping  
and flue for obstructions  
Check and repair blower wiring;  
Combustion air blockage  
replace blower motor  
Replace air switch  
Temp probe wiring is unplugged Check connector or repair wiring  
Air switch stuck open or closed  
WATER TEMPERATURE  
Something is wrong with the  
Monitors water temperature inside  
the tank (Thermostat). ON when the  
water temp drops below set point  
(temperature setting).  
Probe open internally  
Probe wiring shorted  
Probe shorted internally  
Replace probe  
Repair short  
Replace probe  
temperature probe  
or  
no or low water in tank  
GAS VALVE  
Check wire and connection at  
burner  
Check and reseat connections  
Monitors the gas valve output. ON Broken or corroded burner ground  
when power is applied to the gas  
valve  
wire  
Connectors on controlled panel  
Ignition lock out  
unplugged  
No flame rectification  
Gas valve shut OFF  
Clogged gas valve  
Faulty gas valve  
Turn gas valve ON  
Replace gas valve  
Unit will make three (3) successive  
trials; then lock out.  
Replace gas valve  
Replace control  
Defective control  
Gas valve improperly adjusted  
No power to blower  
Blower is bad  
Adjust gas valve correctly  
Check for power to blower  
Repair or replace wiring  
Replace blower  
BLOWER  
Power to blower  
Monitors the blower motor output.  
ON when power is applied to the  
blower.  
IGNITOR  
Power to ignitor  
No power to ignitor  
Ignitor is bad  
Check for power to ignitor  
Repair or replace wiring  
Ignitor current draw is too low.  
Monitors ignitor element output. ON  
when power is applied to the ignitor  
See ignitor lockout on page 17  
Replace ignitor  
CONTROL HEALTH  
System board OK  
System problem on circuit board  
Monitors the controllers hardware  
(circuit boards) and software. ON  
when controller is functioning OK  
Monitors polarity and ground circuit.  
ON when ground and polarity are  
OK.  
Press red reset button. If error  
occurs repeatedly, replace main  
control board  
Correct polarity  
Polarity is reversed  
Poor or incomplete ground  
GREEN LED ON MAIN  
CONTROL BOARD  
Proper ground and polarity  
Ensure adequate grounding to unit  
and in electrical circuit  
Attempts to fire for 4-6 seconds; then  
28  
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Trouble Shooting Guide  
NATURE OF TROUBLE  
POSSIBLE CAUSES  
SERVICE  
No Hot Water  
Manual switch turned off (if equipped)  
Blown service panel fuse or breaker  
Turn to ON  
Replace or reset  
See flashing LED light on display board  
Rectify problem by diagnosing using the Display Board LED  
chart  
Check and tighten  
Reconnect electrical supply in proper polarity  
Improper or loose wiring to control board  
Electrical polarity is reversed. Green LED on display  
board is not on.  
Gas Valve turned "OFF"  
Turn gas valve "ON"  
Low gas pressure causes lockout  
Not enough gas pressure for demand of system  
Check gas pressure when unit fires  
Increase pressure to 7" - 14" w.c. on inlet side of gas valve  
Replace regulator  
Bad gas regulator before heater or gas regulator is  
too small for load  
Bad gas meter or meter too small for load  
Supply pipe is less that 3/4 inch diameter  
Gas regulator too close to heater  
Venting restricted enough to cause lockout  
Thermostat set too low  
Replace meter  
Replace with 3/4 inch pipe  
Must be at least 10 feet from heater  
Check and clear venting pipes and vent termination  
Increase thermostat setting  
Resize and compare  
Not Enough Hot Water  
Heater is undersized  
Water Too Hot  
Slow Hot Water Recovery  
Thermostat setting too high  
Improper gas supply  
Venting restricted - but not enough to cause lockout Check and clear venting pipes and vent termination  
Lower thermostat setting  
Check gas pressure  
Noisy Water Heater  
Puffing on ignition  
Loud pop on ignition  
Adjust gas valve  
Adjust gas valve  
Adjust gas valve  
Huff and puff during operations  
Intermittent huffing and puffing  
Excessive water pressure (just a little from the T&P)  
(Includes banging, huffing and  
puffing)  
Excessive Relief Valve  
Operation  
Check for re-circulation under venting  
Check for open or closed system. Install thermal expansion  
tank. Install proper expansion tank on cold side.  
Check ECO/vent switch LED flashing; lower setting or replace  
Excessive water temperature (approx. 2/3 of tank  
volume is on the floor)  
Excessive iron content  
thermostat/ECO probe.  
Have water analyzed. Install filter (if necessary).  
Install non-dielectric unions  
Rusty Water  
Dielectric unions installed  
Water On Floor Around Unit Condensate removal system is not working  
Check condensate line for blockage  
Check condensate line is directed to floor drain  
Condensate pump not working (if equipped)  
Drain line is "vapor locked". Install a vent in the condensate  
drain line  
Water heater is leaking  
Cold in or hot out joints (connections)  
T&P valve  
Check joints and repair  
Check, tighten and/or replace  
Temperature/ECO probe  
Inner tank has a pin hole  
Check, tighten and/or replace  
Replace water heater  
HOW TO OBTAIN SERVICE ASSISTANCE  
You may also obain technical assistance by calling  
1-800-432-8373.  
Should you have any questions about your new water heater, or if it  
requires adjustment, or routine maintenance, it is suggested that you  
first contact your installer, plumbing contractor or previously agreed  
upon service agency. In the event that the firm has moved, or is  
unavailable, refer to the telephone directory commercial listings or  
local utility for qualified service assistance.  
When contacting the manufacturer, the following information should  
be made available:  
1. Model and serial number of the water heater as shown on the rat-  
ing plate attached to the jacket of the water heater.  
2. Address where the water heater is located and can be seen.  
3. Name and address of installer and any service agency who per-  
formed service on the water heater.  
Should your problem not be resolved to your complete satisfaction,  
you should then contact the Manufacturer’s National Service  
Department at the following address:  
4. Date of original installation and dates any service work was per-  
formed.  
RHEEM MANUFACTURING COMPANY  
2600 Gunter Park Drive East  
5. Details of the problems as you can best describe them.  
6. List of people, with dates, who have been contacted regarding your  
Montgomery, Alabama 36109-1413  
problem.  
AP12158 Rev 1 (05/00)  
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MOST COMMON ADVANTAGEPLUS INSTALLATION CONCERNS  
VENTING:  
VENT LENGTH TOO LONG - OVER 85’  
VENTING NOT PITCHED PROPERLY - CONDENSATE BUILD UP IN VENT  
EXHAUST GAS RE-CIRCULATION - VENT TERMINALS NOT USED, WRONG FITTINGS USED, SIGHT PROBLEMS  
BUSH IN FRONT OF VENT TERMINAL  
INSIDE CORNER OF BUILDING FOR VENT LOCATION  
OVERHANG WITH VENT UNDERNEATH  
COMPOUND ROOF PITCH, OR ABOVE ROOF FIRE WALL  
ADDITIONAL FITTINGS INSTALLED INTO TERMINALS  
VENT SIZED FROM 3" TO 4" BY USING BUSHINGS - INSTEAD OF REDUCING COUPLING OR REDUCING ELBOW  
VENT CHANGED FROM 3" TO 4" - WITHOUT GOING REQUIRED 10’ ON BOTH INTAKE AND EXHAUST  
VENTING NOT CLEANED AND GLUED TOGETHER FOR PRESSURE TIGHT JOINTS  
INTAKE AIR CONTAINING EXHAUST FROM ANOTHER VENT OR APPLIANCE  
GAS SUPPLY:  
GAS PRESSURE TOO LOW - NEED 7" GAS PRESSURE UP TO 14" GAS PRESSURE  
GAS METER TOO LOW IN CAPACITY  
GAS REGULATOR NOT SIZED PROPERLY - TOO LOW IN CAPACITY  
GAS PIPE TOO SMALL - 3/4" MINIMUM GAS SUPPLY SIZE  
GAS REGULATOR TOO CLOSE TO APPLIANCE - NEED 10’ OF PIPE FOR EVERY 200,000 BTU’S PER HOUR  
GAS REGULATOR WITH LONG VENT OR BLEED VENT ORIFICE - REGULATOR SLOW TO RESPOND  
GAS METER RESTRICTION, OR IN NEED OF REPAIR/REPLACEMENT  
GAS SUPPLY PRESSURE DROPS BELOW 3-1/2" WHEN APPLIANCE FIRES  
ELECTRICAL:  
APPLIANCE NOT GROUNDED  
ELECTRICAL POLARITY REVERSED - FLAME WILL LIGHT BUT GO BACK OUT IN 4-6 SECONDS VOLTAGE TOO LOW OR TOO HIGH  
APPLIANCE CYCLES, BUT NO IGNITION - LOOK FOR GLOW FROM IGNITOR, IF NOT, REPLACE IGNITOR  
PLUMBING:  
DIELECTRIC UNIONS INSTALLED - RUSTY WATER  
CONDENSATE:  
CONDENSATE LINE NOT PITCHED TO DRAIN  
CONDENSATE LINE NOT DRAINING DUE TO LONG RUN WITHOUT VENT  
CONDENSATE PUMP NOT WORKING  
CONDENSATE TRAP PLUGGED WITH PVC SHAVINGS  
BURNER:  
EXTREMELY LOUD BANG ON IGNITION - BURNER FAILED OR END CAP OFF  
RED BURNER DECK AS SEEN THROUGH VIEW PORT - GAS VALVE NEEDS ADJUSTMENT  
GAS VALVE:  
PUFFING ON IGNITION - ADJUST GAS VALVE  
LOUD POP ON IGNITION, THEN RUNNING SMOOTH - ADJUST GAS VALVE  
HUFF AND PUFF DURING OPERATION - ADJUST GAS VALVE  
RUNNING GREAT BUT INTERMITTENTLY HUFFING OR POPPING - CHECK FOR RE-CIRCULATION UNDER VENTING  
IT IS IMPORTANT TO NOTE FOR MAINTENANCE PURPOSES: THE THREAD ON THE END OF THIS GAS VALVE AND NIPPLE IS A  
LEFT HAND THREAD.  
SEALING ADVANTAGEPLUS AS PER N.S.F. STANDARD  
NUMBER 5  
TO SEAL THE BASE OF BOOSTER TO THE FLOOR TO  
PREVENT SEEPAGE UNDERNEATH, PER N.S.F.  
STANDARD #5 - APPLY A 3/8” BEAD OF RTV SILICONE  
(AS SHOWN HERE), COMPLETELY AROUND TANK.  
30  
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