TM
STATESMAN Electric Models
SSE-5 THRU SSE-120 COMMERCIAL WATER HEATERS
• Installation • Operation • Maintenance • Checklist • Limited Warranty
CAUTION
TEXTPRINTEDOROUTLINEDINREDCONTAINSINFORMATION
RELATIVE TOYOUR SAFETY. PLEASE READ THOROUGHLY
BEFORE INSTALLINGAND USING THISAPPLIANCE.
500 Lindahl Parkway
Ashland City, TN 37015
KEEPTHISMANUALWITHTHEHEATERFORFUTUREREFERENCE.
WHENEVERMAINTENANCEADJUSTMENTSORSERVICEISREQUIRED.
PRINTED IN U.S.A. 0203
PART NO. 09063322
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FOREWORD
Detailed installation diagrams are in this manual. These
diagrams will serve to provide the installer with a reference for
the materials and method of piping suggested. IT IS NECESSARY
THAT ALL WATER PIPING AND THE ELECTRICAL WIRING BE
INSTALLEDAND CONNECTEDAS SHOWN IN THE DIAGRAMS.
NEAR THE ELECTRICAL SYSTEM OF THE HEATER. NEVER
TOUCH ELECTRICAL COMPONENTS WITH WET HANDS OR
WHEN STANDING IN WATER. WHEN REPLACING FUSES
ALWAYS USE THE CORRECT SIZE FOR THE CIRCUIT. SEE
PAGE 14.
Particular attention should be given to the installation of
thermometers at the locations indicated in the diagrams as
these are necessary for checking the operation of the heater.
DO NOT TEST ELECTRICAL SYSTEM BEFORE HEATER IS
FILLED WITH WATER, FOLLOW START UP PROCEDURE ON
PAGE 17.
In addition to these instructions, the equipment shall be installed
in accordance with those installation regulations in force in the
local area where installation is to be made. Authorities having
jurisdiction shall be consulted before installations are made.
BE SURE TO TURN OFF POWER WHEN WORKING ON OR
The principal components of the heater are identified on
page 4. The model and rating plate on page 3 interprets certain
markings into useful information. Both of these references
should be used to identify the heater, its components and optional
equipment.
TABLE OF CONTENTS
PAGE
PAGE
Amperage Table/Overcurrent Protection ....... 14
Heater Circuits ................................................ 14
Control Circuit ................................................. 14
Power Circuit .................................................. 14
Wiring Diagram ................................................ 15-17
OPERATION
General............................................................ 18
Filling ................................................................ 18
Start Up ........................................................... 18
Temperature Regulation .................................. 18-19
Draining ........................................................... 19
MAINTENANCE
General............................................................ 19
Flushing ........................................................... 19
Sediment Removal........................................... 19
Lime Scale Removal ........................................ 19-20
Checklist .......................................................... 20-21
Anode Maintenance ........................................ 21
Replacement Parts .......................................... 21
LEAKAGE CHECKPOINTS ............................... 22
ROUGH-IN-DIMENSIONS ......................................
RECOVERY CAPACITY .......................................
FOREWORD .........................................................
TABLE OF CONTENTS .........................................
APPROVALS & MODEL & RATING PLATE ..........
GETTING TO KNOWYOUR WATER HEATER .....
GENERALSAFETY INFORMATION
Insulation Blankets ..............................................
External Damage .................................................
INSTALLATION
Required Ability ...................................................
General ................................................................
Location ...............................................................
Connections ........................................................
Relief Devices .....................................................
Temperature Limiting Control ...............................
Hydrogen Gas (Flammable) ................................
2
2
3
3
3
4
5
5
5
5
5
5
6
6
6
PIPING DIAGRAMS .............................................. 7-12
ELECTRICAL
General ................................................................ 13
Branch Circuit...................................................... 13
LIMITED WARRANTY ...................................... 23
APPROVALS MODEL & RATING PLATE
All models bear the
National Sanitation
Foundation seal of
approval.
All models are
listed by
Underwriters’
Laboratories, Inc.
125 PSI Working Pressure
(65 thru 120 Gallons)
ASME
150 PSI Working Pressure
(5 thru 50 Gallons)
3
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GETTING TO KNOW YOUR WATER HEATER
Below is an illustration of the water heater with its features called
out. The text of this manual will refer to the items shown.
NOTE:
• 3/4” NPT SSE 5 THRU 50 MODELS
• 1 1/4” NPT SSE 65 THRU 120 MODELS
• ALOW WATER CUTOFF SWITCH IS
AVAILABLE AS AN OPTIONAL SAFETY
DEVICETOPROTECTTHEELEMENTS
FROM DAMAGE DUE TO LACK OF WATER
IN THE HEATER.
FIGURE1
4
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GENERAL
GENERAL SAFETY
INFORMATION
The installation must conform to these instructions and the
local code authority having jurisdiction. Grounding and electrical
wiring connected to the water heater must also conform to the
latest version of the NATIONAL ELECTRICAL CODE and
NFPA-70. Copies of these codes may be obtained from
American National Standards Institute, 1430 Broadway, New
York, NY 10018.
INSULATION BLANKETS
Insulation blankets available to the general public for external
use on electric water heaters are not approved for use on your
State water heater. The purpose of an insulation blanket is to
reduce the standby heat loss encountered with storage tank
water heaters. Your State water heater meets or exceeds the
National Appliance Energy Conservation Act standards with
respect to insulation and standby loss requirements, making
an insulation blanket unnecessary.
If your location requires the installation of the water heater to
comply with National Sanitation Foundation requirements, the
heater must be sealed to the floor so as to prevent seepage
underneath the heater. The following are recommended
sealants that may be used on all types of flooring except
concrete: GE Silicone Seal RTV-120, 103, 108 and 109.
WARNING
DO NOT TEST ELECTRICAL SYSTEM BEFORE HEATER IS
FILLED WITH WATER, FOLLOW START UP PROCEDURE AS
WRITTEN IN “OPERATION” SECTION OF THIS MANUAL.
Should you choose to apply an insulation blanket to this heater,
you should follow these instructions (See Figure 1 for
identification of components mentioned below). Failure to follow
these instructions can result in fire, asphyxiation, serious
personal injury or death.
The principal components of the heater are identified in
figure 1. The model and rating plate on page 3 interprets certain
markings into useful information. Both of these references should
be used to identify the heater, its components and optional
equipment.
1. DO NOT COVER THE JUNCTION BOX EXTERNAL WIRING,
THERMOSTATS OR HEATING ELEMENTS ON ELECTRIC
WATER HEATER.
LOCATION
2. DO NOTCOVER THE TEMPERATURE-PRESSURE RELIEF
VALVE.
For proper installation, the heater should be installed on a level
surface.
3. DO NOT COVER OPERATING INSTRUCTIONS,
INSTALLATION OR SAFETY RELATED LABELS.
LOCATE IT NEARAFLOOR DRAIN. THE HEATER SHOULD BE
LOCATED INANAREAWHERE LEAKAGE FROM THE HEATER
OR CONNECTIONS WILL NOT RESULT IN DAMAGE TO THE
ADJACENT AREA OR TO LOWER FLOORS OF THE
STRUCTURE.
4. DO OBTAIN NEW WARNINGAND INSTRUCTION LABELS
FROM STATE WATER HEATERS FOR PLACEMENTON THE
BLANKET DIRECTLY OVER THE EXISTING LABELS.
5. WATER AND/OR CONDENSATE CAN COLLECT IN AN
INSULATION BLANKET. STATE WATER HEATERS WILLNOT
BE LIABLE FOR ANY RUST OR CORROSION DAMAGE
CAUSED BY THE INSTALLATION OF INSULATION
BLANKETS.
WHEN SUCH LOCATIONS CANNOT BEAVOIDED,ASUITABLE
DRAIN PAN SHOULD BE INSTALLED UNDER THE HEATER.
Such pans should be fabricated with sides at least
2” (50.8 mm) deep, with length and width at least 2” (50.8 mm)
greater than the diameter of the heater and must be piped to an
adequate drain. Drain pans suitable for these heaters are
available from your distributor or State Water Heaters, 500
Lindahl Parkway, Ashland City, TN 37015.
WARNING
FAILURE TO FOLLOW THESE INSTRUCTIONS CAN RESULT
IN SERIOUS PERSONAL INJURY OR DEATH.
Locate the heater close to the point of major hot water usage
and the power supply.
EXTERNAL DAMAGE
•
•
Try to make hot water piping and branch circuit wiring
as short as possible.
Do not operate the water heater until it has been fully checked
out by a qualified service technician, if the water heater:
Insulate hot and cold water piping where heat loss
and condensation may be a problem.
•
•
Has been exposed to fire or damage.
Produces steam or unusually hot water.
THE HEATER SHOULD NOT BE LOCATED INANAREAWHERE
IT WILL BE SUBJECT TO FREEZING.
If the water heater has been subject to flooding, it must be
replaced.
Suggested clearances from adjacent surfaces are 18 inches
(457.2 mm) in front for access to the controls and elements and
12 inches (304.8 mm) from top. The heater may be installed on
or against combustible surfaces.
INSTALLATION
REQUIRED ABILITY
CONNECTIONS
INSTALLATION OR SERVICE OF THIS WATER HEATER
REQUIRES ABILITY EQUIVALENT TO THAT OF A LICENSED
TRADESMAN IN THE FIELD INVOLVED. PLUMBING AND
ELECTRICAL WORK INVOLVED.
The heater water inlet is located on the side of the heater near
the bottom. The heater outlet is located at the top of the heater.
Piping and wiring diagrams are included in this manual.
5
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temperature setting of the relief valve should not exceed
210°F (98.9°C).
RELIEF DEVICES
An unplugged 3/4” NPT relief valve opening is provided for
installing temperature and pressure relief valve.
TEMPERATURE LIMITING CONTROL
CAUTION: TO REDUCE THE RISK OF EXCESSIVE PRESSURES
AND TEMPERATURE IN THIS WATER HEATER INSTALL
TEMPERATURE AND PRESSURE PROTECTIVE EQUIPMENT
REQUIRED BY LOCAL CODES but not less than a combination
temperature and pressure relief valve certified by a nationally
recognized testing laboratory that maintains periodic inspection
of production of listed equipment or materials, as meeting the
requirements for relief valve devices for hot water supply
systems, ANSI Z21.22 (latest version).
The heater control circuit contains a high temperature cutoff
switch which operates if excessive water temperatures are
reached. The high temperature cutoff contacts open at 190°F
(87.7°C) and must be manually reset (after a 30°F (16.6°C) drop
in water temperature). Disconnect the power before resetting
button.
HYDROGEN GAS (FLAMMABLE)
This valve must be marked with a maximum set pressure not to
exceed the marked maximum working pressure of the water
heater. INSTALL THE VALVE INTO THE OPENING PROVIDED
AND MARKED FOR THIS PURPOSE IN THE WATER HEATER,
AND ORIENT IT OR PROVIDE TUBING SO THAT ANY
DISCHARGE FROM THE VALVE WILL EXIT ONLY WITHIN
6 INCHES (152.4 mm) ABOVE, OR AT ANY DISTANCE BELOW
THE STRUCTURALFLOORAND CANNOT CONTACTANY LIVE
ELECTRICAL PART. THIS DISCHARGE OPENING MUST NOT
BE BLOCKED OR REDUCED IN SIZE UNDER ANY
CIRCUMSTANCES.
CAUTION
HYDROGEN GAS CAN BE PRODUCED IN A HOT WATER
SYSTEM SERVED BYTHIS HEATERTHAT HAS NOTBEEN USED
FORALONG PERIOD OF TIME (GENERALLY TWO WEEKS OR
MORE). HYDROGEN GAS IS EXTREMELY FLAMMABLE. To
reduce the risk of injury under these conditions, it is
recommended that the hot water faucet be opened for several
minutes at the kitchen sink before using any electrical appliance
connected to the hot water system. If hydrogen is present, there
will probably be an unusual sound such as air escaping through
the pipe as the water begins to flow. THERE SHOULD BE NO
SMOKING OR OPEN FLAME NEAR THE FAUCETATTHE TIME
IT IS OPEN.
The pressure setting of the relief valve should not exceed the
pressure capacity of any component in the system. The
6
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PIPING DIAGRAM
ONE OR TWO TEMPERATURE - ONE HEATER
CAUTION: IF BUILDING COLD WATER SUPPLY HAS A BACK-FLOW
PREVENTER, CHECK VALVE OR WATER METER WITH CHECK VALVE
PROVISIONS FOR THERMAL EXPANSION OF WATER IN THE HO
WATER SYSTEM MUST BE PROVIDED.
*PIPE TO OPEN DRAIN.
INSTALL IN ACCORDANCE WITH ALL LOCAL CODES.
ONE OR TWO TEMPERATURE - TWO HEATER
DANGER:
TEMPERATURE SETTING SHOULD NOT
EXCEED SAFE USE TEMPERATURE AT
FIXTURES. SEE WATER TEMPERATURE
CONTROL WARNING ON PAGES 17 & 18. IF
HIGHER PREHEAT TEMPERATURES ARE
NECESSARY TO OBTAIN ADEQUATE
BOOSTER OUTPUT, ADD AN ANTI-SCALD
VALVE FOR HOT WATER SUPPLIED TO
FIXTURES..
7
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ONE OR TWO TEMPERATURE - THREE HEATERS
CAUTION: IF BUILDING COLD WATER SUPPLY
HAS ABACK-FLOW PREVENTER, CHECK VALVE
OR WATER METER WITH CHECK VALVE,
PROVISIONS FOR THERMAL EXPANSION OF
WATER IN THE HOT WATER SYSTEM MUST BE
PROVIDED.
*PIPE TO OPEN DRAIN.
INSTALL IN ACCORDANCE WITH ALL LOCAL
CODES.
ONE OR TWO TEMPERATURE - FOUR HEATERS
DANGER:
TEMPERATURE SETTING SHOULD NOT EXCEED SAFE USE TEMPERATUREAT FIXTURES.
SEE WATER TEMPERATURE CONTROL WARNING ON PAGES 17 & 18. IF HIGHER
PREHEAT TEMPERATURESARENECESSARYTO OBTAINADEQUATE BOOSTER OUTPUT,
ADD AN ANTI-SCALD VALVE FOR HOT WATER SUPPLIED TO FIXTURES..
8
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MEDIUM TEMPERATURE - ONE HEATER VERTICAL STORAGE TANK
DANGER:
TEMPERATURE SETTING SHOULD NOT EXCEED SAFE USE
TEMPERATURE AT FIXTURES. SEE WATER TEMPERATURE
CONTROL WARNING ON PAGES 17 & 18. IF HIGHER PREHEAT
TEMPERATURES ARE NECCESARY TO OBTAIN ADEQUATE
BOOSTER OUTPUT, ADDANANTI-SCALD VALVE FOR HOT WATER
SUPPLIED TO FIXTURES..
MEDIUM TEMPERATURE - ONE HEATER HORIZONTAL STORAGE TANK
*PIPE RELIEF VALVE TO OPEN DRAIN.
†TANK TEMPERATURE CONTROL SETAT DESIRED
TEMPERATURE - MAX. 170°F (76.6 mm). HEATER
THERMOSTAT SETAT LEAST 5° HIGHER.
INSTALL IN ACCORDANCE WITH ALL LOCAL
CODES.
CAUTION: IF BUILDING COLD WATER SUPPLYHAS
A BACK-FLOW PREVENTER, CHECK VALVE OR
WATER METER WITH CHECK VALVE, PROVISIONS
FOR THERMAL EXPANSION OF WATER IN THE HOT
WATER SYSTEM MUST BE PROVIDED.
9
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MEDIUM TEMPERATURE - TWO HEATERS VERTICAL STORAGE TANK
DANGER:
TEMPERATURE SETTING SHOULD NOT
EXCEED SAFE USE TEMPERATURE AT
FIXTURES. SEE WATER TEMPERATURE
CONTROL WARNING ON PAGES 17 & 18.
IF HIGHER PREHEAT TEMPERATURES ARE
NECESSARY TO OBTAIN ADEQUATE
BOOSTER OUTPUT, ADD AN ANTI-SCALD
VALVE FOR HOT WATER SUPPLIED TO
FIXTURES..
MEDIUM TEMPERATURE - TWO HEATERS HORIZONTAL STORAGE TANK
RETURN LINE FROM FIXTURE
CIRCULATING LOOP (IF USED)
SHOULD CONNECT TO ANY OPENING
NEAR BOTTOM OF TANK.
* PIPE RELIEF VALVE TO OPEN DRAIN.
† TANK TEMPERATURE CONTROL SET
AT DESIRED TEMPERATURE - MAX. 170°F
( 76.6°C). HEATER THERMOSTAT SETAT
LEAST 5° HIGHER.
INSTALL IN ACCORDANCE WITH ALL
LOCAL CODES.
CAUTION: IF BUILDING COLD WATER
SUPPLY HAS
A
BACK-FLOW
PREVENTER, CHECK VALVE OR WATER
METER WITH CHECK VALVE,
PROVISIONS
FOR
THERMAL
EXPANSION OF WATER IN THE HOT
WATER SYSTEM MUST BE PROVIDED.
NOTE:
BRANCH PIPING TO ALL HEATERS
MUST BE SAME SIZE AND LENGTH FOR
EQUAL FLOW. THESE BRANCHES MAY
BE SIZED UP TO 1 1/4” (31.75 mm) SO
THAT CROSS SECTIONALAREASOFALL
INLETSAND OUTLETS AT LEAST EQUAL
AREA OF THEIR RESPECTIVE MAIN
PIPING.
REVERSE RETURN PIPING SHOWN.
10
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MEDIUM TEMPERATURE - THREE HEATERS VERTICAL STORAGE TANK
DANGER:
TEMPERATURE SETTING SHOULD NOT EXCEED SAFE USE TEMPERATURE
AT FIXTURES. SEE WATER TEMPERATURE CONTROL WARNING ON PAGES
17 & 18. IF HIGHER PREHEAT TEMPERATURES ARE NECESSARY TO
OBTAINADEQUATE BOOSTER OUTPUT,ADD ANANTI-SCALD VALVE FOR
HOT WATER SUPPLIED TO FIXTURES..
MEDIUM TEMPERATURE - THREE HEATERS HORIZONTAL STORAGE TANK
* PIPE RELIEF VALVE TO OPEN DRAIN
† TANK TEMPERATURE CONTROL SET
AT DESIRED TEMPERATURE (MAX. 170°F
(76.6°C). HEATER THERMOSTAT SETAT
LEAST 5° HIGHER.
CAUTION: IF BUILDING COLD WATER
SUPPLY HAS
A
BACK-FLOW
PREVENTER, CHECK VALVE OR WATER
METER WITH CHECK VALVE,
PROVISIONS
FOR
THERMAL
EXPANSION OF WATER IN THE HOT
WATER SYSTEM MUST BE PROVIDED.
INSTALL IN ACCORDANCE WITH ALL
LOCAL CODES.
NOTE:
BRANCH PIPING TO ALL HEATERS
MUST BE SAME SIZE AND LENGTH FOR
EQUAL FLOW. THESE BRANCHES MAY
BE SIZED UP TO 1 1/4” (31.75 mm) SO
THAT CROSS SECTIONALAREASOFALL
INLETSAND OUTLETS AT LEAST EQUAL
AREA OF THEIR RESPECTIVE MAIN
PIPING.
REVERSE RETURN PIPING SHOWN.
11
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MEDIUM TEMPERATURE - FOUR HEATERS VERTICAL STORAGE TANK
MEDIUM TEMPERATURE - FOUR HEATERS HORIZONTAL STORAGE TANK
DANGER:
CAUTION: IF BUILDING COLD WATER
SUPPLY HAS BACK-FLOW
PREVENTER, CHECK VALVE OR WATER
METER WITH CHECK VALVE,
A
TEMPERATURE SETTING SHOULD NOT
EXCEED SAFE USE TEMPERATURE AT
FIXTURES. SEE WATER TEMPERATURE
CONTROL WARNING ON PAGES 17 & 18. IF
HIGHER PREHEAT TEMPERATURES ARE
NECESSARY TO OBTAIN ADEQUATE
BOOSTER OUTPUT, ADD AN ANTI-SCALD
VALVE FOR HOT WATER SUPPLIED TO
FIXTURES..
PROVISIONS
FOR
THERMAL
EXPANSION OF WATER IN THE HOT
WATER SYSTEM MUST BE PROVIDED.
* PIPE RELIEF VALVE TO OPEN DRAIN.
† TANK TEMPERATURE CONTROL SET
AT DESIRED TEMPERATURE - MAX. 170°F
(76.6 mm). HEATER THERMOSTAT SET
AT LEAST 5° HIGHER.
INSTALL IN ACCORDANCE WITH ALL
LOCAL CODES.
NOTE:
BRANCH PIPING TO ALL HEATERS
MUST BE SAME SIZE AND LENGTH FOR
EQUAL FLOW. THESE BRANCHES MAY
BE SIZED UP TO 1 1/4” (31.75 mm) SO
THAT CROSS SECTIONALAREASOFALL
INLETSAND OUTLETS AT LEAST EQUAL
AREA OF THEIR RESPECTIVE MAIN
PIPING.
REVERSE RETURN PIPING SHOWN.
12
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ELECTRICAL
Voltage applied to the heater should not vary more than +5%
to -10% of the model and rating plate marking for satisfactory
operation.
GENERAL
The installation must conform to these instructions, the local
code authority having jurisdiction, and the requirements of the
power company. In the absence of code requirements follow
the latest version of NFPA-70, The National Electrical Code
which may be ordered from: American National Standards
Institute, 1430 Broadway, New York, NY 10018.
DO NOT ENERGIZE THE BRANCH CIRCUIT FOR ANY REASON
BEFORE THE HEATER TANK IS FILLED WITH WATER. DOING
SO WILL CAUSE THE HEATING ELEMENT TO BURN OUT.
The branch circuit is connected to the heater wiring through an
opening provided on the heater.
WARNING
BRANCH CIRCUIT
AN ELECTRICAL GROUND IS REQUIRED TO REDUCE RISK
OF ELECTRIC SHOCK OR POSSIBLE ELECTROCUTION. The
water heater should be connected to a separate, grounded,
branch circuit with overcurrent protection and disconnect switch.
The water heater should be grounded in accordance with
national and local codes.
The branch circuit wire and fuse size should be established
through reference to the latest version of the National Electrical
Code or other locally approved source in conjunction with the
heater amperage rating. Branch circuit wires should be 75°C
temperature rated. For convenience, portions of the wire size
tables from the Code are reproduced here. It is suggested the
electrician size the branch circuit at 125 percent of the heater
ampere rating and further increase wire size as necessary to
compensate for voltage drop in long runs. Branch circuit voltage
drop should not exceed 3% at the heater.
Check the heater model and rating plate information against
the characteristics of the branch circuit electrical supply. DO NOT
CONNECT THE HEATER TO AN IMPROPER SOURCE OF
ELECTRICITY.
TABLE 310-16. Allowable Ampacities of Insulated Conductors
Not More Than Three Conductors in Raceway or Cable or Earth (Directly Buried), Based on Ambient Temperature of 30°C (86°F)
Size
Temperature Rating of Conductor, See table 310-13
Size
60°C
75°C
85°C
90°C
60°C
75°C
85°C
90°C
(140°F)
TYPES
RUW, T
TW, UF
(167°F)
TYPES
FEPW
RH,RHW
RUH,
THW,
THWN,
XHHW
USE, ZW
……
(185°F)
TYPES
V, MI
(194°F)
TYPES
TA, TBS
SA, AVB
SIS, =FEP,
=FEPB,
=RHH,
(140°F)
TYPES
RUW, T
TW, UF
(167°F)
TYPES
RH, RHW
RUH
(185°F)
TYPES
V, MI
(194°F)
TYPES
TA, TBS,
SA, AVB
SIS,
=RHH,
=THHN,
=XHHW*
AWG
MCM
THW,
AWG
MCM
THWN
XHHW,
USE
=THHN,
=XHHW*
18
16
14
12
10
8
……
……
15
20
30
……
22
25
30
40
21
22
25
30
40
……
……
……
15
25
30
……
……
……
15
25
40
……
……
……
25
30
40
……
……
……
25
30
40
……
……
……
12
10
8
……
15
20
30
40
45
50
50
6
55
65
70
70
40
50
55
55
6
4
70
85
90
90
55
65
70
70
4
3
2
1
0
00
000
0000
250
300
350
400
500
80
100
115
130
150
175
200
230
255
285
310
335
380
105
120
140
155
185
210
235
270
300
325
360
405
105
120
140
155
185
210
235
270
300
325
360
405
65
75
75
90
80
95
80
95
3
2
1
0
100
120
135
155
180
205
230
250
270
310
110
125
145
165
185
215
240
260
290
330
110
125
145
165
185
215
240
260
290
330
00
000
0000
250
300
350
400
500
Ambient
Temp.°C
Ambient
Temp.°F
31-40
41-50
51-60
61-70
71-80
.82
.58
……
……
……
.88
.75
.58
.35
……
.90
.80
.67
.52
.30
.91
.82
.71
.58
.41
.82
.58
……
……
……
.88
.75
.58
.35
……
.90
.80
.67
.52
.30
.91
.82
.71
.58
.41
86-104
105-122
123-141
142-158
159-176
= The load current rating and the overcurrent protection for these conductors shall not exceed 15 amperes for 14 AWG,
20 amperes for 12 AWG, and 30 amperes for 10 AWG copper; or 15 amperes for 12 AWG and 25 amperes for 10 AWG
aluminum and copper-clad aluminum.
* For dry locations only. See 75°C column for wet locations.
13
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AMPERAGE TABLE/OVERCURRENT
PROTECTION
CONTROL CIRCUIT
The heater is equipped with 120 volt control circuit where all of
the heating elements are switched on and off together. This is
the standard circuit and may be used with up to five elements.
This table provides the total connected heating element load in
amperes for branch circuit conductor and over current protection
sizing. Single-phase heaters are two wire circuits. Three-phase
heaters are three wire circuits. In addition to the foregoing a
ground conductor may be required.
The control circuit wiring is 14 AWG rated 600 volts, 105°C.
Alow water cutoff switch is available as an optional safety device
to protect the elements from damage due to lack of water in the
heater.
The rating of the overcurrent protection should be computed on
the basis of 125 percent of the total connected load amperage.
Where the standard ratings and settings do not correspond with
this computation, the next higher standard rating or setting
should be selected.
POWER CIRCUIT
Power circuit wiring is rated 600 volts, 75°C.
HEATER CIRCUITS
WIRING DIAGRAMS
The water heater’s electrical components are pictured and The following wiring diagrams are included in this manual to
identified in Figure 1.
show typical arrangement of electrical components in the control
and power circuits by voltage and phase characteristics. They
The following describes the heater circuits and includes wiring are to be used as a reference by the installer or servicer in
diagrams. All heater circuits are designed for 60 hertz alternating performing their work. An actual diagram of the water heater
current.
wiring is furnished with the heater.
STANDARD KW INPUTS
Standard
KW
Ratings
3
Immersion
Heaters***
No. Of Wattage 208V
Number of
50A Contractors
Full Load Current In Amperes
Single Phase
Three Phase
240V
480V
208V
14.4
28.8
43.3
57.7
72.1
86.5
240V
12.5
25.0
37.5
50.0
62.5
75.0
277V
10.8
21.2
32.5
43.3
54.2
65.0
86.6
480V
6.3
208V
8.3
240V
7.2
480V
3.6
7.2
1
1
1
1
1
1
2
2
2
3
3
4
5
5
3,000
6,000
9,000
6
9
12
15
18*
24
30
36*
45
54
1
12.5
18.8
25.0
31.3
37.5
50.0
62.5
75.0
93.8
16.7
25.0
33.3
41.6
50.0
66.6
83.3
99.9
14.4
21.7
28.9
36.1
43.3
57.7
72.2
86.6
1
10.8
14.4
18.0
21.7
28.9
36.1
43.3
54.1
65.0
72
12,000
15,000
18,000
12,000
15,000
18,000
15,000
18,000
15,000
18,000
18,000
1
2
3
115.4 100.0
2
3
144.2 125.0 108.3
173.1 150.0 130.0
216.3 187.5 162.5
124.9 108.3
2
3
N/A
N/A
N/A
N/A
225.0 194.9 112.5 149.9 129.9
60**
75**
90**
4
5
4
5
250.0 216.6
312.5 270.8
375.0 324.9
125
156
188
166.7
208.4
250
145
181
217
90
108
* 208V models use one additional immersion heater.
** Available on 50 gallon models or larger.
***Each immersion heater contains three electric elements.
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SMALL COMMERCIAL WIRE DIAGRAM
208-240V / 3PH
SMALL COMMERCIAL WIRE DIAGRAM
208-240V / 3-1PH
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3-1 PHASE CONVERSIONS
In the case where the unit is phase convertible and it has only one contactor, jumper wires (provided) must be added according to
the phase of the supply voltage. See the diagram below. For single-phase connection, jumpers A-C and B-D must be added. For
three-phase connection, jumper B-C must be added.
3-1 PHASE CONTACTOR JUMPER CONFIGURATION
FIGURE1
FIGURE2
1 PHASE CONNECTION
3 PHASE CONNECTION
SMALL COMMERCIAL WIRE DIAGRAM
SINGLE PHASE
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SMALL COMMERCIAL WIRE DIAGRAM
300-600V / 3PH
NOTES
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OPERATION
GENERAL
DANGER
THIS WATER HEATER IS EQUIPPED WITH AN ADJUSTABLE
THERMOSTAT TO CONTROL WATER TEMPERATURE. HOT
WATER TEMPERATURES REQUIRED FOR AUTOMATIC
DISHWASHER AND LAUNDRY USE CAN CAUSE SCALD
BURNS RESULTING IN SERIOUS PERSONAL INJURY AND/
OR DEATH. THE TEMPERATUREAT WHICH INJURY OCCURS
VARIES WITH THE PERSON’SAGEAND TIME OF EXPOSURE.
THE SLOWER RESPONSE TIME OF CHILDREN, AGED OR
DISABLED PERSONS INCREASES THE HAZARDS TO THEM.
NEVERALLOW SMALL CHILDREN TO A HOT WATER TAP, OR
TO DRAW THEIR OWN BATH WATER. NEVER LEAVEACHILD
DISABLED PERSON UNATTENDED IN A BATHTUB OR
SHOWER.
Never operate the heating elements without being certain the
water heater is filled with water, and a temperature and pressure
relief valve is installed in the relief valve opening.
FILLING
1. Turn off the electrical disconnect switch.
2. Close the water heater drain valve by turning knob to right
(clockwise).
3. Open a nearby hot water faucet to permit the air in the system
to escape.
THE WATER HEATER SHOULD BE LOCATED IN AN AREA
WHERETHE GENERAL PUBLIC DOES NOTHAVEACCESS TO
SET TEMPERATURES.
4. Fully open the cold water inlet valve allowing the heater and
piping to be filled.
5. Close the hot water faucet as water starts to flow. The heater
is now ready for START UP and TEMPERATURE
REGULATION.
SETTING THE WATER HEATERTEMPERATUREAT 120°F WILL
REDUCE THE RISK OF SCALDS. Some states require settings
at specific lower temperatures.
Figure 1 shows the approximate time-to-burn relationship for
normal adult skin.
START UP
The following checks should be made by the installer when the
heater is placed into operation for the first time.
Temperature
Setting
Time to Produce 2nd & 3rd
Degree Burns on Adult Skin
Nearly instantaneous
Nearly instantaneous
About 1/2 second
1. Open the hinged access door, check all water and electrical
connections for tightness. Also check connections on top
and side of heater.
180°F (82°C)
170°F (77°C)
160°F (71°C)
150°F (65°C)
140°F (60°C)
130°F (54°C)
120°F (49°C)
About 1-1/2 seconds
Less than 5 seconds
About 30 seconds
•
Repair water leaks and tighten electrical connections
as necessary.
2. Depress red button on manual reset high limit switch.
3. Turn on the electrical disconnect switch.
More than 5 minutes
FIGURE1
4. Observe the operation of the electrical components during
the first heating cycle. Use care as the electrical circuits
are energized.
Valves for reducing point-of-use temperature by mixing cold and
hot water are available. Also available are inexpensive devices
that attach to faucets to limit hot water temperatures Contact a
licensed plumber or the local plumbing authority.
•
Thermostat and contactor operation should be checked
by (a) manually operating thermostat and (b) allowing
the heater to come up to temperature and shutoff
automatically.
The thermostat factory setting is 130°F (54°C). The dial is
adjustable through a range of 95°F (35°C) to 194°F (90°C).
•
The thermostat operates all contactor coils
simultaneously.
The thermostat is behind the front access door. TURN OFF THE
ELECTRICAL DISCONNECT SWITCH BEFORE OPENING
DOOR.
5. Close the access door.
•
It is suggested the thermostat be turned to the lowest
setting which satisfies the hot water requirements of
the system. This helps minimize water scale
formations on the heating elements.
TEMPERATURE REGULATION
•
•
The thermostat contacts close on about 6F° (3.3C°)
(not adjustable) drop in water temperature.
Where multiple thermostats are used, they may be all
set at the same temperature or 2F° to 4F° (1C° to 2C°)
apart to achieve “step control”. The bottom thermostat
is set the hottest and top thermostat the coolest.
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Always close the front access door after making a temperature 3. Attach hose to outlet opening of drain valve and direct end to
adjustment. Turn on electricity.
drain.
4. Open a nearby hot water faucet and the heater drain valve.
DRAINING
The water heater must be drained if it is to be shut down and
exposed to freezing temperatures. Maintenance and service
procedures may also require draining the heater.
5. If the heater is being drained for extended shutdown, it is
suggested the drain valve be left open during this period.
The hose may be removed.
1. Turn off the electrical disconnect switch.
2. Close the supply water inlet valve to heater.
•
Follow FILLING instructions when restoring hot water
service.
MAINTENANCE
GENERAL
SEDIMENT REMOVAL
Periodically the drain valve should be opened and the water
allowed to run until it flows clean. This will help to prevent
sediment build-up in the tank bottom.
Water borne impurities consist of fine particles of soil and sand
which settle out and form a layer of sediment on the bottom of
the tank. In time, if not removed, the level of sediment might
reach the heating elements and cause their failure.
Periodically check the temperature and pressure relief valve to
ensure that it is in operating condition. Lift the lever at the top of
the valve several times until the valve seats properly and operates
freely.
For convenience, sediment removal and element lime scale
removal should be performed at the same time as follows.
CAUTION
LIME SCALE REMOVAL
THE WATER PASSING OUT OF THE VALVE DURING THIS
CHECKING OPERATION MAY BE EXTREMELY HOT.
Lime scale accumulations on the heating elements is a normal
condition, common to all immersion type elements. Factors
which affect the amount of this formation are:
Water heater maintenance includes periodic tank flushing and
cleaning, and removal of lime scale from the heating elements.
Component Operation
Flushing
Interval
Monthly
Required
-------------
1. Amount of hot water used. As the volume of water heated
increases, more scale results.
Tank
Sediment
Removal
Lime Scale
Removal
As needed
As needed
-------------
2. Water temperature. As the temperature of water is increased,
more scale is deposited on the elements.
Elements
UN•Lime® delimer
and element gaskets,
Part No.5109.
3. Characteristics of water supply. Regardless of water
treatment, the elements should be examined regularly.
Tank flushing should be performed in accordance with the above
schedule. Tank sediment removal and element lime scale
removal must be performed when needed as determined by Lime scale accumulations may cause noises to occur during
periodic inspections. Following are the instructions for
performing recommended maintenance.
operation.
It is recommended that a heating element be removed
periodically for examination. If it is scaled, all of the elements
should be removed and cleaned. If the tank bottom has an
accumulation of sediment it should be cleaned.
FLUSHING
The water heater drain valve should be opened once a month to
help prevent sediment buildup on the tank bottom.
Lime scale should be removed by dissolving the accumulation
in UN•LIME® delimer. UN•LIME is a non-muriatic delimer,
available from State Water Heaters, 500 Lindahl Parkway,
Ashland City, TN 37015. Do not use muriatic or hydrochloric acid
base deliming solutions to remove lime scale from the elements.
1. Turn off the electrical disconnect switch.
2. Attach hose to outlet opening of drain valve and direct end to
drain.
•
Open the drain valve by turning the knob to the left
(counterclockwise). Allow water to flow until it runs
clean.
1. Turn off electrical disconnect switch.
2. Drain the heater following DRAINING instructions.
3. Open front access door.
•
If water does not flow from opened drain valve, follow
instructions for sediment removal.
3. When finished flushing:
4. Disconnect the element wiring. Try not to disturb the wiring
unnecessarily and reconnection will be easier.
•
•
Close heater drain valve and remove hose.
Turn on electricity.
5. Remove the bolts from each element.
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6. Remove the elements from the openings.
•
The electrical disconnect switch usually contains
fuses.
•
•
Use a twisting, pulling action to remove elements
scaled beyond size of the tank openings.
3. If the water was excessively hot, and is now cold, the
high limit switch may have operated.
Brush loose scale from elements.
•
•
To reset, remove the plug from the top cover of the
heater and push the reset button.
7. Lime scale removal.
Place limed ends of heating elements into UN•LIME
•
Repeated operation of the high temperature cutoff
should be investigated by your dealer.
delimer and allow scale to dissolve. Do not permit
delimer or water to contact heating element electrical
terminals.
4. The capacity of the heater may have been exceeded
by a large demand for hot water.
Other scale removal:
•
Large demands require a recovery period to restore
water temperature.
•
Silicates, sulfates and aluminates must be removed
by scraping or other mechanical means. Lime scale
solvents will not remove these types of scale which are 5. Cooler incoming water temperature will lengthen the
occasionally encountered. time required to heat water to the desired temperature.
8. Flush cleaned ends of elements with water when deliming 6. Look for hot water wastage and leakage.
or cleaning is completed.
7. Sediment or lime scale may be affecting water heater
operation. Refer to page 18 for details.
9. Remove sediment and scale from the tank bottom through
the access provided by the element opening(s).
Water is too hot
•
The cold water inlet valve and drain valve may be
opened to aid the cleanout process.
1. Refer to TEMPERATURE REGULATION.
10. Clean remaining gasket material from tank and element Water heater makes sounds
flanges. DO not reuse original element gaskets.
1. Sediment or lime scale accumulations on the elements
•
The element gaskets should be replaced whenever an
element is removed.
causes sizzling and hissing noises when the heater is
operating.
11. Put new gaskets on each element and install into tank
openings.
•
The sounds are normal. However, the tank bottom
and elements should be cleaned. Refer to page 18
for details.
•
Uniformly tighten element bolts.
2. Some of the electrical components of the water heater
make sounds which are normal.
12. Attach element wires to connection points from which
they were removed.
•
•
Contactors will “click” or snap as the heater starts
and stops.
13. Follow FILLING instruction to restore hot water service.
•
Check for water leaks around elements and proper
operation when heater is filled.
Contactors often hum.
•
Close front access door.
Water leakage is suspected.
1. Check to see if the heater drain valve is tightly closed.
2. If the outlet of the relief valve is leaking it may represent:
CHECKLIST
Before calling for service, check the following points to see if
the cause of trouble can be identified and corrected. Reviewing
this checklist may eliminate the need of a service call and quickly
restore hot water service. Figure 1 identifies the location of all
of the heater components.
•
•
•
•
Excessive water temperature.
Faulty relief valve.
Excessive water pressure.
BE SURE TO TURN OFF THE ELECTRICITY WHEN CHECKING
EQUIPMENT.
Excessive water pressure is the most common cause
of relief valve leakage. It is often caused by a “closed
system”. A check valve in the inlet system will not
permit the expanded hot water volume to equalize
pressure with the main. A relief valve must release
this water or the water heater or plumbing system will
be damaged.
Not enough or no hot water.
1. Be certain the electrical disconnect switch serving the
water heater is in the ON position.
2. Check the fuses.
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When such a condition is encountered, local codes or inspection Anode rod deterioration depends on water conductivity, not
agency should be consulted to determine which system is necessarily water condition. A corroded or pitted anode rod
acceptable in your area. These may consist of:
indicates high water conductivity and should be checked and/or
replaced more often than an anode rod that appears to be intact.
Replacement of a depleted anode rod can extend the life of your
water heater. Inspection should be conducted by a qualified
technician, and at a minimum should be checked annually after
the warranty period.
•
•
•
Installation of a second relief valve set to lower
than the primary safety relief valve.
An expansion tank of suitable pressure and provision
to avoid water logging.
IF YOU CANNOT IDENTIFY OR CORRECT THE SOURCE OF
MALFUNCTION
Removal of the check valve.
4. Examine the flange area of the elements for gasket
leakage.
1. Place the water heater electrical switch in the OFF
position
•
Tighten the bolts or, if necessary, follow the WATER
AND LIME SCALE REMOVAL procedure to replace the
gaskets.
2. Close the supply water inlet valve to the heater.
3. Contact your dealer.
•
Refer to “LEAKAGE CHECKPOINTS” on page 22.
ANODE MAINTENANCE
REPLACEMENT PARTS
The anode rod is used to protect the tank from corrosion. Most
hot water tanks are equipped with an anode rod. The submerged
rod sacrifices itself to protect the tank. Instead of corroding the
tank, water ions attack and eat away the anode rod. This does
not affect the water’s taste or color. The rod must be maintained
to keep the tank in operating condition.
Replacement parts may be ordered through dealers, authorized
servicers or distributors. Refer to Yellow Pages for where to call
or contact the State Water Heaters, 500 Lindahl Parkway, Ashland
City, TN 37015. When ordering parts, specify complete model
no., serial no., (see rating plate), quantity and name of part
desired. Standard hardware items should be purchased locally.
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LEAKAGE CHECKPOINTS
INSTRUCTIONS: USE THIS ILLUSTRATION ASA GUIDE WHEN CHECKING FOR SOURCES OF WATER LEAKAGE. YOU OR
YOUR DEALER MAY BEABLE TO CORRECT WHATAPPEARS TO BEAPROBLEM.
Where possible, remove or lift top cover to examine threads of
fittings installed into tank for evidence of leakage. Correct fitting
as necessary.
ANODE
Relief valve operation and leakage may be due to water
expansion during heating cycle or foreign material on seat
of valve. If the valve is not piped to an open drain the
released water could be mistaken for a leaking heater. To
check where threaded portion enters tank, insert Q-tip or
similar absorbent material between jacket opening and
valve to swab spud area. Remove valve* if leak is indicated
and repair with pipe joint compound.
Water on side of the tank may be condensation due to the
panel or insulation not being in place.
Water leaks at the elements may be due to:
1. Defective element which leaks at terminals or through
flange. Replace element*.
2. Loose element/gasket leak:
Flange type: Tighten screws with wrench. If leak
continues remove element* and discard gasket.
Clean gasket seating areas and reinstall element
with new gasket.
NOTE: Part No. 5288 scale cleaning replacement
screws available where threads have become rusted
or damaged, preventing tightening.
D
va
or
le
ta
m
va
if leak is indicated and repair with pipe
joint compound.
Condensation and dripping may appear on pipes when cold
water temperature is low. Pipe fitting may be leaking.
All water which appears at the heater bottom or on the surrounding floor
may be caused by condensation, loose connections or relief valve
operation and leakage. Do not replace the heater until a full inspection of
all potential leak points is made and corrective steps taken to stop the
leak. Leakage from other appliances, water lines or ground seepage
should also be suspected until proven otherwise.
*Contact your dealer as it is necessary
to shut off electricity and drain tank to
perform procedure.
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MODEL SSE LIMITED WARRANTY
State Water Heaters, the warrantor, extends the following LIMITED WARRANTY to the owner of this water heater:
1. THE TANK
If the glass-lined tank in this water heater shall prove upon examination by the warrantor to have leaked due to natural corrosion from potable
water therein, during the first THREE years after initial installation, the warrantor will supply a complete new State water heater of equivalent size
and current model. Some government agencies are requiring energy efficient standards for water heaters. In the event regulations prohibit sale
of a model of equivalent size and construction, State Water Heaters will provide a model which complies with the regulations of your area, in
which case the consumer will be charged the difference in price between the like replacement and the energy efficient model required. The
warranty on the replacement water heater will be limited to the unexpired term of the original warranty.
2. ALL OTHER PARTS
If within ONE year after initial installation of this water heater, any part or portion shall prove upon examination by the warrantor to be defective
in material or workmanship, the warrantor will repair or replace such part or portion at its option.
3. CONDITIONS AND EXCEPTIONS
This warranty shall apply only when the water heater is installed in accordance with local plumbing and building codes, ordinances and
regulations, the printed instructions provided with it and good industry practices. In addition, a temperature and pressure relief valve, certified by
A.G.A. and approved by the American Society of Mechanical Engineers, must have been installed.
a.
This warranty shall apply only when the heater is used:
(1) at temperatures not exceeding the maximum setting of its thermostat;
(2) at water pressure not exceeding the working pressure shown on the water heater;
(3) when operated free from the damaging effects of uncontrolled water hammer;
(4) when filled with potable water, free to circulate at all times;
(5) in a non-corrosive and non-contaminated atmosphere;
(6) with factory approved anode(s) installed;
(7) in the United States, its territories or possessions, and Canada.
b.
c.
Any accident to the water heater, any misuse, abuse (including freezing) or alteration of it, any operation of it in a modified
form, any use of insulation blankets, or any attempt to repair tank leaks will void this warranty.
This warranty is void if a device acting as a backflow prevention device (check valves etc) is installed in the cold water supply the heater
is connected to, unless an effective method of controlling thermal expansion is also installed at the heater(s) and operational at all times.
The relief valve installed on the heater is not an acceptable method.
4. SERVICEAND REPAIR EXPENSES
Under the limited warranty the warrantor will provide only a replacement water heater or part thereof. The owner is responsible for all other
costs. Such costs may include but are not limited to:
a.
b.
Labor charges for service removal, repair or reinstallation of the water heater or any component part;
Shipping, delivery, handling, and administrative charges for forwarding the new heater or replacement part from the nearest
distributor and returning the claimed defective heater or part to such distributor.
c.
All cost necessary or incidental for any material and/or permits required for installation of the replacement heater or part.
5. LIMITATIONS ON IMPLIED WARRANTIES
Implied warranties, including the warranty of merchantability imposed on the sale of this heater under state law are limited to (1) year duration for
the heater or any of its parts. Some states do not allow limitation on how long an implied warranty lasts, so the above limitation may not apply to
you.
6. CLAIM PROCEDURE
Any claim under the warranty should be initiated with the dealer who sold the heater, or with any other dealer handling the warrantor’s products.
If this is not practicable, the owner should contact:
State Water Heaters
500 Lindahl Parkway
Ashland City, TN 37015
a. The warrantor will only honor replacement with identical or similar water heater or parts thereof which are manufactured or distributed by the
warrantor.
b. Dealer replacements are made subject to in-warranty validation by warrantor.
7. DISCLAIMERS
NO OTHER EXPRESS WARRANTYHAS BEEN OR WILLBE MADE IN BEHALF OF THE WARRANTOR WITH RESPECTTOTHE MERCHANTABILITYOF
THE HEATER OR THE INSTALLATION, OPERATION, REPAIR OR REPLACEMENTOFTHE HEATER. THE WARRANTOR SHALLNOTBE RESPONSIBLE
FOR WATER DAMAGE, LOSS OF USE OFTHE UNIT, INCONVENIENCE, LOSS OF DAMAGETO PERSONALPROPERTYOR OTHER CONSEQUENTIAL
DAMAGE. THE WARRANTOR SHALL NOT BE LIABLE BY VIRTUE OF THIS WARRANTY OR OTHERWISE FOR DAMAGE TO ANY PERSONS OR
PROPERTY, WHETHER DIRECT OR INDIRECT,AND WHETHERARISING IN CONTRACTOR IN TORT.
a. Some states do not allow the exclusion or limitation of incidental or consequential damage, so the above limitations or exclusions may not apply
to you.
b. This warranty gives you specific legal rights, and you may also have other rights which vary from state to state.
Fill in the following for your own reference. Keep it. Registration is not a condition of warranty. The model and serial number are found on the
heater’s rating plate.
Model No. ____________________________________ Serial No. _____________________________________ Date Installed _______________
Dealer’s Name __________________________________________________________________________________________________________
Dealer’s Address _____________________________________________________________________________ Phone No. __________________
City and State _______________________________________________________________________________ Zip Code __________________
KEEP THIS WARRANTY AND MANUAL POSTEDADJACENTTOTHE HEATER FOR FUTURE
REFERENCE WHENEVER MAINTENANCE, ADJUSTMENT OR SERVICE IS REQUIRED.
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500 Lindahl Parkway, Ashland City, TN 37015
Phone: 800-821-2017 Fax: 800-644-9306
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