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3.  Adjusting the Operating Set Point

The 

Operating Set Point

 of this water heater determines the regulated 

temperature for the water in the tank. This parameter is adjusted in the 

Temperature menu. Items in this menu allow you to monitor different tem

-

perature readings in the tank along with adjusting the 

Operating Set Point

 

and 

Differential

.  

ACTION: 

From the desktop screen, press 

Menu.

DISPLAY:

ACTION: 

From the Main Menu, press 

Select

 to enter the "Temperatures" screen.

DISPLAY:

2.  Operating States

In the main desktop screen, there are some specific Operating States that are indicated on the status line. These are summarized below:

ACTION:

Press 

Change

 then use the 

UP

 and 

DOWN 

 buttons to change the Set 

Point.

Note: This procedure can also be used to change the 

Differential. 

The 

Tank, Upper and Lower Temperatures are not user changeable. They are 

determined by the temperature probes on the heater.

DISPLAY:

ACTION: 

Press 

Update

 to accept the change or 

Cancel

 to reset it.

DISPLAY:

Summary of Contents for SUF 120

Page 1: ...ERVICE MAINTENANCE LIMITED WARRANTY WARNING If the information in these instructions is not followed exactly a fire or explosion may result causing property damage personal injury or death Do not stor...

Page 2: ...Natural Gas and Propane Installation Code and CSA C22 1 the Canadian Electrical Code All documents are available from the Canadian Standards Association 8501 East Pleasant Valley Road Cleveland OH 441...

Page 3: ...RATURE CONTROL TABLE OF CONTENTS ROUGH IN DIMENSIONS 2 FOREWORD 2 FEATURES 3 4 Water Temperature Control 3 High Limit Switch E C O 4 Dishwashing Machine Requirement 4 Circulating Pump 5 INSTALLATION I...

Page 4: ...w pressures above 25 pounds per square inch 173 Kpa or below 15 pounds per square inch 103 Kpa will result in improperly sanitized dishes Where pressures are high a water pressure reducing or flow reg...

Page 5: ...sometimes installed in locations where leakage may result in property damage even with the use of a drain pan piped to a drain However unanticipated damage can be reduced or prevented by a leak detect...

Page 6: ...BER ISOLATION PIPE HANGERS ARE USED THIS PREVENTS ANY VIBRATIONS FROM BEING TRANSMITTED INTO THE LIVING SPACES HARD WATER Where hard water conditions exist water softening or the threshold type of wat...

Page 7: ...tally vented gas fueled heating appliance or equipment The sign shall read in print size no less than one half 1 2 inch in size GAS VENT DIRECTLY BELOW KEEP CLEAR OF ALL OBSTRUCTIONS INSPECTION The st...

Page 8: ...S POWER VENT CANADIAN POWER VENT FIGURE 5b CAUTION TO PREVENT EXHAUSTING PRODUCTS FROM CIRCULATING TO THE AIR INTAKE IN WINDY COLD AREAS THE MAXIMUM PRACTICAL DISTANCE BETWEEN THESE TWO TERMINALS IS...

Page 9: ...S DIRECT VENT CANADIAN DIRECT VENT FIGURE 6b CAUTION TO PREVENT EXHAUSTING PRODUCTS FROM CIRCULATING TO THE AIR INTAKE IN WINDY COLD AREAS THE MAXIMUM PRACTICAL DISTANCE BETWEEN THESE TWO TERMINALS IS...

Page 10: ...LOCATION MUST BE FOLLOWED 1 The intake vent terminal and the exhaust vent terminal must terminate on the same exterior wall and must be located at a minimum of 24 61cm from the vertical centerline of...

Page 11: ...the same side of roof 4 The center line of the intake vent termination and the center line of the exhaust vent termination must be no closer than 24 61cm 5 The intake vent terminal and the exhaust ve...

Page 12: ...or ABS cement to join PVC or CPVC pipe and fittings SAFETY PRECAUTION PRIMERS AND CEMENTS ARE EXTREMELY FLAMMABLE AND MUST NOT BE STORED OR USED NEAR HEAT OR OPEN FLAME ALSO USE ONLY IN A WELL VENTILA...

Page 13: ...s that the electrical contacts on this air flow switch be open before it will allow the blower to come on BLOCKED OUTLET PROVER SWITCH SEE FIGURE 12 The Blocked Outlet Prover Switch is set up to shut...

Page 14: ...NGCONDITIONS INSTALLINACCORDANCE WITH RECOMMENDATIONS OF SERVING GAS SUPPLIERS REFER TO THE NATIONAL FUEL GAS CODE FIGURE 13 CONNECTION OF GAS PIPE 1 When connecting gas pipe to unit apply wrench to f...

Page 15: ...VE This heater is equipped with an approved temperature and pressure relief valve ASME ratings cover pressure relief CSA ratings cover release rate with temperature actuation FOR SAFE OPERATION OF THE...

Page 16: ...upply Voltage is reversed the controller will not sense flame Verify polarity before connecting the unit 3 This unit may never be connected to any existing heating system or component s previously use...

Page 17: ...y the desktop screen if there are no active faults or warnings An example of this screen is shown to the right The first temperature on this screen is the temperature of the water inside the tank The...

Page 18: ...u DISPLAY ACTION From the Main Menu press Select to enter the Temperatures screen DISPLAY 2 Operating States In the main desktop screen there are some specific Operating States that are indicated on t...

Page 19: ...an occur during operation These are Warnings and Faults Warnings This is a non safety related condition that the control has detected that may cause the water heater to operate in a less than optimal...

Page 20: ...tion about the water heater and the current status of specific conditions can be found INSTALLATION OR SERVICE OF THIS WATER HEATER REQUIRES ABILITY EQUIVALENT TO THAT OF A LICENSED TRADESMAN IN THE F...

Page 21: ...let pressures confirmed simply turn the switch on and observe operation Cycle the unit off and on several times to ensure proper operation OPERATING INSTRUCTIONS IMPORTANT IT IS RECOMMENDED THAT A QUA...

Page 22: ...able is factory set to cutout at 202 F 94 C The controller must be manually reset by depressing the reset button on front of the control when water temperature drops to below 160 F 71 C TABLE 4 HIGH A...

Page 23: ...23 FOR YOUR SAFETY READ BEFORE OPERATING WARNING If you do not follow these instructions exactly a fire or explosion may result causing property damage personal injury or loss of life 120 MODELS ONLY...

Page 24: ...BEFORE OPERATING WARNING If you do not follow these instructions exactly a fire or explosion may result causing property damage personal injury or loss of life 150 MODELS ONLY OPERATING INSTRUCTIONS T...

Page 25: ...OFF GAS TO APPLIANCE FOR YOUR SAFETY READ BEFORE OPERATING WARNING If you do not follow these instructions exactly a fire or explosion may result causing property damage personal injury or loss of lif...

Page 26: ...rn off the heater electrical disconnect switch 2 Close the cold water inlet valve to heater 3 Open a nearby hot water faucet to vent the system 4 Open the heater drain valve 5 If the heater is being d...

Page 27: ...sly it may be due to thermal expansion of water in a closed water supply system or it may be due to a faulty relief valve Thermal expansion is the normal response of water when it is heated In a close...

Page 28: ...OF WATER IN THE HOT WATER SYSTEM MUST BE PROVIDED NOTE CONNECT RETURN LINE FROM HOT WATER CIRCULATING LOOP IF USED TO COLD WATER INLET LINE PIPE TO OPEN DRAIN INSTALL IN ACCORDANCE WITH LOCAL CODES I...

Page 29: ...PAGE 4 IF HIGHER PREHEAT TEMPERATURES ARE NECESSARY TO OBTAIN ADEQUATE BOOSTER OUTPUT ADD AN ANTI SCALD VALVE FOR HOT WATER SUPPLIED TO FIXTURES CAUTION IF BUILDING COLD WATER SUPPLY HAS A BACK FLOW P...

Page 30: ...TEMPERATURE SETTING SHOULD NOT EXCEED SAFE TEMPERATURE AT FIXTURES SEE WATER TEMPERATURE CONTROL WARNING ON PAGE 4 IF HIGHER PREHEAT TEMPERATURES ARE NECESSARY TO OBTAIN ADEQUATE BOOSTER OUTPUT ADD AN...

Page 31: ...TH LOCAL CODES TWO TEMPERATURE TWO HEATERS ONE PRE HEATER ONE BOOSTER HEATER WITH OR WITHOUT BUILDING RECIRCULATION DANGER TEMPERATURE SETTING SHOULD NOT EXCEED SAFE TEMPERATURE AT FIXTURES SEE WATER...

Page 32: ...HOULD NOT EXCEED SAFE TEMPERATURE AT FIXTURES SEE WATER TEMPERATURE CONTROL WARNING ON PAGE 5 IF HIGHER PREHEAT TEMPERATURES ARE NECESSARY TO OBTAIN ADEQUATE BOOSTER OUTPUT ADD AN ANTI SCALD VALVE FOR...

Page 33: ...nits with the higher water flow may have a shortened life Dimensions shown are for minimum space occupied by the water heaters assemblies Space for the venting system and unit servicing must be added...

Page 34: ...is tightly closed Also check the cleanout opening for leakage 2 The apparent leakage may be condensation which forms on cool surfaces of the heater and piping 3 If the outlet of the relief valve is le...

Page 35: ...g the prepurge portion of the ignition cycle due to the location of the gas orifice MOTOR RUNS BURNER LIGHTS MOMENTARILY THEN LOCKS OUT 1 Reset the appliance two more times to ensure that all of the a...

Page 36: ...heater is or is attempted to be modified or altered in any way including but not limited to by attaching non company approved appliances or equipment 4 SERVICE AND REPAIR EXPENSES Under the limited wa...

Page 37: ...37 NOTES...

Page 38: ...38 NOTES...

Page 39: ...39 NOTES...

Page 40: ...40 500 TENNESSEE WALTZ PARKWAY ASHLAND CITY TN 37015 PHONE 1 800 365 0024 www statewaterheaters com...

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