Lennox Hearth Furnace G60UHVX User Manual

E 2001 Lennox Industries Inc.  
Dallas, Texas, USA  
504,473M  
11/2001  
G60UHV(X)  
SERIES  
GAS FURNACE  
Litho U.S.A.  
WARNING  
If the information in this manual is not followed  
exactly, a fire or explosion may result causing  
property damage, personal injury or loss of  
life.  
WHAT TO DO IF YOU SMELL GAS:  
D Do not try to light any appliance.  
Do not store or use gasoline or other flamĆ  
mable vapors and liquids in the vicinity of  
this or any other appliance.  
D Extinguish any open flames.  
D Do not touch any electrical switch; do not use any  
phone in your building.  
Installation and service must be performed by  
a qualified installer, service agency or the gas  
supplier.  
D Immediately call your gas supplier from a neighbor's  
phone. Follow the gas supplier's instructions.  
D If you cannot reach your gas supplier, call the fire deĆ  
partment.  
11/01  
504,473M  
*2P1101*  
*P504473M*  
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Your furnace is a gas appliance. It is critical that the gas  
supplied to the unit be completely burned to avoid the proĆ  
duction of carbon monoxide gas. Complete combustion of  
the gas requires, but is not limited to, correct gas pressure  
and gas flow rate, adequate combustion air and proper  
venting.  
WARNING  
Do not use this furnace if any part has been under  
water. Immediately call a qualified service technician  
to inspect the furnace and to replace any part of the  
control system and any gas control which has been  
under water.  
WARNING  
Carbon monoxide gas is invisible, odorless, and  
toxic.  
IMPORTANT  
Any additions, changes, or conversions required in  
order for the appliance to satisfactorily meet the apĆ  
plication needs must be made by a Lennox service  
technician using factory specified and approved  
parts.  
Exposure to carbon monoxide gas can cause personal injuĆ  
ry and even death to all occupants, including pets. Any item  
that is powered by, or gives off heat from, a combustion proĆ  
cess (including lawn mowers, automobiles, and fireplaces)  
has the potential to produce carbon monoxide gas. Because  
of this, Lennox recommends the use of a carbon monoxĆ  
ide detector in your home, even if you do not own gas  
appliances. Reliable detectors are available at reasonable  
retail prices. Contact your Lennox dealer for more details  
about this investment in your safety.  
WARNING  
Improper installation, adjustment, alteration, service  
or maintenance can cause property damage, personĆ  
al injury or loss of life. Installation and service must  
be performed by a qualified installer, service agency  
or the gas supplier.  
Important Directions  
1 - Keep the furnace area clear and free of combustible  
material, gasoline, and other flammable vapors and  
liquids. If it is installed in an insulated area, the furnace  
must be kept free of insulating material. Insulating maĆ  
terial may be combustible.  
Your furnace is designed to meet standards set by nationĆ  
al agencies. It should operate safely when properly  
installed and maintained. However, the unit's perforĆ  
mance can be greatly impacted by the individual installaĆ  
tion and the operating environment. It is your responsibilĆ  
ity to ensure that this appliance is maintained. Proper  
maintenance is critical for your safety and the satisfactory  
operation of the product. Lennox strongly recommends  
annual inspection and maintenance of this appliance.  
Contact your Lennox dealer for an inspection by a qualiĆ  
fied service technician.  
2 - DO NOT obstruct air flow to unit. Unit must receive an  
unobstructed flow of combustion and ventilating air.  
3 - DO NOT store chlorine or fluorine products near unit  
or introduce these products into the combustion air.  
These products can cause furnace corrosion.  
4 - DO NOT draw return air from a room where this furĆ  
nace, or any other gas appliance (ie., a water heatĆ  
er), is installed. When return air is drawn from a room,  
a negative pressure is created in the room. If a gas apĆ  
pliance is operating in a room with negative pressure,  
the flue products can be pulled back down the vent  
pipe and into the room. This reverse flow of the flue  
gas may result in incomplete combustion and the  
formation of carbon monoxide gas. This toxic gas  
might then be distributed throughout the house by the  
furnace duct system.  
Lighting Information & Operation  
WARNING  
If you do not follow these instructions exactly, a fire  
or explosion may result causing property damage,  
personal injury or death.  
WARNING  
The blower door must be securely in place when the  
blower and burners are operating. Gas fumes, which  
could contain carbon monoxide, can be drawn into  
the living space resulting in personal injury or death.  
BEFORE LIGHTING smell all around the appliance area  
for gas. Be sure to smell next to the floor because some gas  
is heavier than air and will settle on the floor.  
Page 3  
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The gas valve on the G60UHV(X) is equipped with either a  
gas control knob or lever. Use only your hand to turn the  
gas control knob or push the gas lever. Never use tools. If  
the knob or lever will not move by hand, do not try to repair  
it. Call a qualified service technician. Force or attempted  
repair may result in a fire or explosion.  
WHITE RODGERS 36E SERIES GAS VALVE  
Placing the G60UHV(X) furnace into operation:  
G60UHV(X) units are equipped with a SureLightt ignition  
system. Do not attempt to manually light burners on these  
furnaces. Each time the thermostat calls for heat, the burnĆ  
ers will automatically light. The ignitor does not get hot  
when there is no call for heat on units with the SureLightt  
ignition system.  
GAS VALVE SHOWN IN OFF POSITION  
FIGURE 3  
Operating the Gas Valve (Figures 3 and 4)  
1 - STOP! Read the safety information at the beginning of  
HONEYWELL VR8205 SERIES GAS VALVE  
this section.  
2 - Set the thermostat to the lowest setting. See figure 2.  
3 - Turn off all electrical power to the unit.  
THERMOSTATS  
GAS VALVE SHOWN IN OFF POSITION  
FIGURE 4  
9 - Replace the upper access panel.  
10 - Turn on all electrical power to to the unit.  
11 - Set the thermostat to desired setting.  
FIGURE 2  
4 - This furnace is equipped with an ignition device which  
automatically lights the burners. Do not try to light the  
burners by hand.  
NOTE - When unit is initially started, steps 1 through 11  
may need to be repeated to purge air from gas line.  
5 - Remove the upper access panel.  
12 - If the appliance will not operate, follow the instructions  
Turning Off Gas to the Unit" and call your service techĆ  
nician or gas supplier.  
6 - White Rodgers 36E Gas Valve - Switch gas valve leĆ  
ver to OFF. See figure 3.  
Honeywell VR8205 Gas Valve - Turn knob on gas  
Turning Off Gas to the Unit  
valve clockwise  
4.  
to OFF. Do not force. See figure  
1 - Set the thermostat to the lowest setting.  
2 - Turn off all electrical power to the unit if service is to be  
performed.  
7 - Wait five minutes to clear out any gas. If you then smell  
gas, STOP! Immediately call your gas supplier from a  
neighbor's phone. Follow the gas supplier's instrucĆ  
tions. If you do not smell gas go to next step.  
3 - Remove the upper access panel.  
4 - White Rodgers 36E Gas Valve - Switch gas valve leĆ  
ver to OFF.  
Honeywell VR8205 Gas Valve - Turn knob on gas  
8 - White Rodgers 36E Gas Valve - Switch gas valve lever to  
ON. See figure 3.  
valve clockwise  
to OFF. Do not force.  
Honeywell VR8205 Gas Valve - Turn knob on gas valve  
counterclockwise  
to ON. Do not force. See figure 4.  
5 - Replace the upper access panel.  
Page 4  
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Burner Flame  
Filters  
This unit is not equipped with a filter or rack. A field-proĆ  
vided, high-velocity filter is required to ensure proper unit  
operation.  
CAUTION  
To ensure proper operation, a qualified technician  
should annually check the burner flame.  
A filter must be in place any time the unit is operating.  
Service Reminder  
Seasonal Inspections  
Call your Lennox service technician if the unit will not operĆ  
ate. Before calling, always check the following to be sure  
service is required.  
A qualified service technician should inspect the complete  
system each season (heating and cooling). The following  
maintenance procedures should only be conducted by a  
qualified service technician. Do not attempt to service  
the unit in any way.  
1 - Check that electrical disconnect switches are ON.  
2 - Check room thermostat for proper setting.  
3 - Replace any blown fuses or reset circuit breakers.  
4 - Gas valve should be ON.  
Venting System  
5 - Air filter should not be plugged, which wil limit air flow.  
6 - Is gas turned on at meter?  
WARNING  
Asphyxiation Hazard  
7 - Is manual main shut-off valve open?  
Record the model and serial number of the furnace. These  
numbers are on the unit nameplate, which is located below  
the burners.  
The exhaust vent for this furnace must be securely  
connected to the furnace flue collar at all times.  
For your safety and to fulfill the terms of the limited  
warranty, a qualified service technician must annualĆ  
ly inspect this furnace and its vent system.  
Serial Number ________________________________  
Model Number ________________________________  
Safety Precautions  
Annually (before heating season) inspect furnace venting  
system, vent cap, heat exchanger and burners for corroĆ  
sion, deterioration, or deposits of debris. Remove any obĆ  
structions.  
If you discover any of the following, shut down your  
unit and contact a Lennox dealer for an inspection by a  
qualified technician.  
D If you repeatedly hear any new or unfamiliar sounds  
while your unit is operating, there may be a problem. For  
example, poorly performing burners can produce unfaĆ  
miliar noises.  
Inspect thefurnace venting system to make sure it is in  
place, physically sound and without holes, corrosion, or  
blockage. The vent connector must be correctly posiĆ  
tioned and sloped upward. The vent connector must be  
physically sound, without holes or excessive corrosion.  
D If you smell any unusual odors, your unit may be operatĆ  
ing improperly. For example, units can give off unfamilĆ  
iar odors if components are required to operate in abĆ  
normal conditions.  
Inspect the furnace return air duct connection. The duct  
must be sealed to the furnace and it must terminate outside  
the space containing the furnace.  
D Look for visible signs of a malfunctioning unit. Examples  
include unusual amounts of condensate on windows inĆ  
side your house, visibly burnt components or unusual  
dirt or rust accumulations on the vent pipe or in the unit.  
Inspect the physical support of the furnace to guarantee  
that it is sound. The support must not sag and must not  
have cracks or gaps around the base of the furnace. There  
must be a seal between the furnace base and the support.  
D If you experience headache, nausea, fatigue, or dizziĆ  
ness, the cause could be exposure to carbon monoxide  
gas. This is often misdiagnosed as the flu because  
symptoms are similar. If you suffer from flu-like sympĆ  
toms that are exaggerated at home, but seem to subĆ  
side while you are away from the house, exposure to  
carbon monoxide could be the cause.  
During a seasonal check, the service technician will inĆ  
spect the indoor blower and the burner flames along with  
the venting system.  
Blower  
Your vigilance may pay off in early detection of a problem  
before either personal injury or property damage occurs.  
Do not hesitate to contact a qualified service technician as  
an investment in your well being.  
Check blower wheel for any debris and clean it, if necesĆ  
sary. The blower motor is pre-lubricated for extended bearĆ  
ing life. No further lubrication is needed.  
Page 5  
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Return air duct - Must be properly attached and provide  
Planned Service  
an air seal to the unit.  
You should expect a service technician to check the followĆ  
ing items during an annual inspection. Power to the unit  
must be shut off for the service technician's safety.  
Operating performance - Unit must be observed during  
operation to monitor proper performance of the unit and the  
vent system.  
Fresh air grilles and louvers (on the unit and in the room  
where the furnace is installed) - Must be open and unobĆ  
structed to provide combustion air.  
Combustion gases - Flue products must be analyzed and  
compared to the unit specifications.  
Problems detected during the inspection may make it necĆ  
essary to temporarily shut down the furnace until the items  
can be repaired or replaced.  
Burners - Must be inspected for rust, dirt, or signs of water.  
Vent pipe - Must be inspected for signs of water, damaged  
or sagging pipe, or disconnected joints.  
Pay attention to your furnace. Situations can arise beĆ  
tween annual furnace inspections that may result in unsafe  
operation. For instance, items innocently stored next to the  
furnace may obstruct the combustion air supply. This could  
cause incomplete combustion and the production of carĆ  
bon monoxide gas.  
Unit appearance - Must be inspected for rust, dirt, signs  
of water, burnt or damaged wires, or components.  
Blower access door - Must be properly in place and proĆ  
vide a seal between the return air and the room where the  
furnace is installed.  
Page 6  
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