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State Industries SUF-130-300 User's Manual

1. 28 OE MEUM 28 Sediment REMOVAL ramis uua 28 Lime Scale Removal rr 28 29 Powered Anode 5 29 Drain Valve and Access Panels 29 Relief I RR PD 29 LU cM NR UU T Tm 29 INSTALLATION DIAGRAMS pn Rb dun 30 34 Multiple Installations 95 CHECKLIST AND SERVICE INFORMATION 36 Burner Operational Problems cust 36 Not Enough or No Hot Water aiceciianicnicucicnotecadivabanidecinnan iantedamnumtiudietaetads 36 Water cm eius TU T 36 Water Heater Makes 36 Water Leakage is 36 TROUBLESHOOTING 36 38 REPLACEMENT PARTO ocn an eU o 38 LIMITED WARRANTY 39 THIS WATER 15 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 TE
2. u below a window that pra doa supply inlet into building Minimum 12 in 30 cm above may be open y or combustion air inlet window or door that may be open to another appliance VENT TERMINAL X AIR SUPPLY INLET AREA WHERE TERMINAL IS NOT PERMITTED 1 Permitted only if veranda porch deck or balcony is fully opened on a minimum of two sides beneath the floor 2 A vent shall not terminate above a sidewalk or paved driveway that is located between two single family dwellings and serves both dwellings FIGURE 6 10 WARNING NEVER OPERATE THE HEATER UNLESS IT IS VENTED TO THE OUTDOORS AND HAS ADEQUATE AIR SUPPLY TOAVOID RISKS OF IMPROPER OPERATION FIRE EXPLOSION OR ASPHYXIATION VENT PIPE TERMINATION NOTE Before installing venting determine place of vent pipe termination See Figure 5 and 6 before proceeding DO NOT TERMINATE THE VENTING WHERE NOISE FROM THE EXHAUST OR INTAKE WILL BE OBJECTIONABLE THIS INCLUDES LOCATIONS CLOSE TO ORACROSS FROM WINDOWS AND DOORS AVOID ANCHORING THE VENT AND INTAKE PIPES DIRECTLY TO FRAMED WALLS FLOORS ORCEILINGS UNLESS RUBBER ISOLATION PIPE HANGERS ARE USED THIS PREVENTSANY VIBRATIONS FROM BEING TRANSMITTED INTO THE LIVING SPACES IMPORTANT The vent system must terminate so that proper clearances are maintained as cited in local codes or the current editions of the National Fuel Gas Code ANSI 2223 1 54 or the Natural Gas and Pr
3. TRANSFORMER BURNER GROUND 50VA BURNER BOLT FIGURE 16 BLOWER PROVER SEQUENCE OF OPERATION Typical Control Appliance Operating Sequence 10 11 1 When the control is powered it should display the unit model water temperature setting temperature and heater status If the control determines that the actual water temperature inside the tank is below the programmed temperature setpoint less the differential a call for heat is activated The control then performs selected system diagnostic checks This includes confirming the proper state of the air gas switches and ECO limit device If all checks are successfully passed the combustion blower is energized for the pre purge cycle When the pre purge cycle is complete power is applied to the ignitor element for the ignitor warm up period At the conclusion of the igniter warm up period the gas valve will open allowing gas to enter the burner chamber The igniter will remain on for a short predetermined time period then will be turned off The control will monitor the flame sense probe to confirm a flame is present If a flame is not verified within predetermined time period the gas valve will immediately be closed and the blower will continue to run for approximately 30 seconds interpurge The control will try for ignition two more times before lockout If a flame is confirmed the control will ent
4. 180 F 82 C WATER OUTLET 9 THERMOMETER TEMPERED WATER OUTLET mir n COLD WATER SUPPLY 12 TO 15 30cm TO 38cm i T amp P VALVE RELIEF doe VALVE HEATER POINT A PLUG CHECK COCK VALVE ri ti LINE TEMP 4 js CONTROL CIRCULATING PUMP RETURN LINE FROM 180 F 82 C CIRCULATING LOOP IF USED CIRCULATING PUMP WIRING DIAGRAM STORAGE TANK TEMPERATURE CONTROL L1 120V CIRCULATING PUMP L2 NEUTRAL WIRING DIAGRAM FOR BOILER TO TANK LOOP AND OR HOT WATER LOOP IF USED 31 CIRCULATING PUMP WIRING DIAGRAM STORAGE TANK TEMPERATURE CONTROL 120V AC DISHWASHER LINE L2 TOGGLE TEMPERATURE NEUTRAL 11 SWITCH CONTROL WITH RED PILOT LIGHT CIRCULATING PUMP WIRING DIAGRAM FOR 180 F 82 C LOOP IF USED TWO TEMPERATURE TWO HEATERS HIGH TEMPERATURE WITH OR WITHOUT BUILDING RECIRCULATION ALL MANIFOLDING MUST BE EQUAL LENGTH 1 1 2 MAXIMUM PIPE THERMOMETER INSTALL THERMAL EXPANSION TANK IF CHECK VALVE OR PRESSURE REDUCING VALVE IS USED IN SUPPLY VAL 180 82 C WATER OUTLET VACUUM RELIEF VALVE INSTALL PER LOCAL CODES MIXING TEMPERED VALVE WATER OUTLET COLD WATER as TP Je SUPPLY 30cm TO 38cm HEATER HEATER ALL MANIFOLDING MUST BE EQUAL E LENGTH 1 1 2 ab MAXIMUM PIPE PLUG COCK 1
5. MULTIPLE UNIT INSTALLATIONS Proper installation of multiple water heaters assures water flow balance of all units Without this balance the full water heating and storage potential of the system cannot be achieved Plus the units 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 Manifold Kits for multiple unit installations are not available from the manufacturer TWO UNIT INSTALLATION THREE UNIT INSTALLATION 2 1 2 INLET AND OUTLET 2 1 2 INLET AND OUTLET MANIFOLD CONNECTIONS MANIFOLD CONNECTIONS b 1 1 2 CONNECTIONS TO HEATER r i i E i 1 1 2 CONNECTIONS 193cm TOHEATER E j i 193cm 1 4 i gt 7 b 34 E 69 1 4 L 86 4cm 176cm 05 3 34 Ses 2 1 2 INLET AND OUTLET 268cm 2 1 2 INLET AND OUTLET 3 7 6 cm 86 4cm ee MANIFOLD CONNECTIONS gt 3 7 6 MANIFOLD CONNECTIONS FOUR UNIT INSTALLATION 1 1 2 2 1 2 INLET AND OUTLET 77 CONNECTION MANIFOLD CONNECTIONS M TO HEATER N i l 76 193cm i i k 141 5 5 359 2 1 2 INLET AND OUTLET 34 a
6. 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 d This warranty shall be void and shall have no effect if the design or structure of the water 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 SERVICE AND 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 Labor charges for service removal repair or reinstallation of the water heater or any component part b 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 cost necessary or incidental for any material and or permits required for installation of the replacement LIMITATIONS ON IMPLIED WARRANTIES Implied warranties including the warranty of merchantability imposed on the sale of this heater under state law are limited to one 1 year duration for the heater or any of its parts Some states do not allow limitations on how long an implied warranty lasts so the above limitation may not apply to you CLAIM PROCEDURE Any clai
7. THEMAIN MANUAL GAS SHUTOFF VALVE MUST HAVE BEEN CLOSED FOR AT LEAST FIVE 5 MINUTES THIS WAITING PERIOD IS AN IMPORTANT SAFETY STEP ITS PURPOSE IS TO PERMIT GAS THAT MIGHT HAVE ACCUMULATED IN THE COMBUSTION CHAMBER TO CLEAR IF YOU DETECT GAS AT THE END OF THIS PERIOD DO NOT PROCEED WITH LIGHTING RECOGNIZE THAT GAS ODOR EVEN IF IT SEEMS WEAK MAY INDICATE THE PRESENCE OF ACCUMULATED GAS SOMEPLACE IN THEAREAWITHARISK OF FIRE OR EXPLOSION SEE THE FRONT PAGE FOR STEPS TO BE TAKEN DO NOT USE THIS HEATER IF ANY PART HAS BEEN UNDER WATER IMMEDIATELY CALLA QUALIFIED SERVICE TECHNICIAN INSPECT THE HEATERAND TO REPLACE ANY PART OF THE CONTROL SYSTEM AND ANY GAS CONTROL WHICH HAS BEEN UNDER WATER LIGHT THE UNIT IN ACCORDANCE WITH THE OPERATING INSTRUCTIONS LABEL ATTACHED TO THE HEATER THESE INSTRUCTIONS ARE REPEATED IN THE LIGHTING AND OPERATING LABEL ILLUSTRATION ON PAGE 20 IN THIS MANUAL ADJUSTMENT PROCEDURE INITIAL START UP A minimum dynamic gas supply pressure of 5 2 W C 1 29 kPa for Natural Gas and 11 W C 2 74 kPa for LP Gas is required before making any adjustment to the gas control pressure regulator Attempts to adjust the regulator during periods of low gas supply pressure could result in overfiring of the heater when the gas supply pressure returns to normal 1 Check gas line pressure with a manometer adjust the gas supply line pressure per table 4 2 Check manifold pressure see Table 4 page 23 using a
8. TOGGLE SWITCH NOTE 1 PRESSURE REDUCING VALVE DISHWASHER 5 LINE TEMPERATURE CONTROL NOTE 2 3 4 75 ALL BRONZE CIRCULATING PUMP CHECK VALVE DANGER TEMPERATURE SETTING SHOULD NOT EXCEED SAFE TEMPERATURE AT FIXTURES SEE WATER TEMPERATURE CONTROL WARNING ON PAGE 3 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 PREVENTER CHECK VALVE OR WATER METER WITH CHECK VALVE PROVISIONS FOR THERMAL EXPANSION OF WATER IN THE HOT WATER SYSTEM MUST BE PROVIDED PIPE RELIEF VALVE TO OPEN DRAIN INSTALL IN ACCORDANCE WITH LOCAL CODES 34 CHECK VALVE 3 4 aw eg V CHECK MIXING VALVE VALVE Y Cim _ PLUG COCK NOTE 3 NOTE 1 TOGGLE SWITCH CONTROLS 180 F 82 WATER CIRCULATION INSTALL ON OR CLOSE TO DISHWASHER TOGGLE SWITCH MUST BE CLOSED ON DURING THE RINSE OPERATION AND OPEN OFF WHEN DISHWASHER 15 NOT OPERATING OR WHEN ON LONG STANDBY NOTE 2 INSTALL LINE TEMPERATURE CONTROL IN AN UNINSULATED TEE BEYOND THE DISHWASHER TAKEOFF IN THE SANITIZING LOOP CONTROL SHOULD BE SET AT 185 F 85 C NOTE 3 ADJUST PLUG COCK SO THE SANITIZING LOOP FLOW RATE DOES NOT CAUSE UNNECESSARY TURBULENCE IN THE TANK NOTE 4 IF TEMPERED WATER IS RECIRCULATED RETURN LINE SHOULD BE CONNECTED AT POINT A
9. Also in this menu you may adjust how the backlight operates and the contrast of the LCD screen Main Menu highlight Display Settings then press Select Temperatures Heater Status From the Main Menu press the Down button to Display Settings Back Help Display Settings Use the UP and DOWN buttons to highlight the Backlight Delay 30s desired setting Then press Change Again use Contrast 60 the UP and DOWN buttons to scroll through the options for that setting Back Help Display Settings Temperatures Units Backlight Delay Press Update to accept the change or Cancel to Contrast reject it Cancel 5 Fault and Warning Conditions This water heater is equipped with electronic controls that have the ability to monitor almost all aspects of the water heater operation In the case that there is an undesirable or unsafe condition that occurs the water heater controls will detect this condition and determine the appropriate action Part of this is displaying the information on the LCD in plain text that accurately describes the condition and diagnostics information that can be used to correct the issue There are two types of conditions that can occur during operation These are Warnings and Faults e 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 condition but does not pose a safety concern NOTE When these conditions occur
10. FRONT VIEW For removal of top cover TOP VIEW ILLUSTRATION OF MINIMUM COMBUSTIBLE CLEARANCES IN AN ALCOVE FIGURE 4 HARD WATER Where hard water conditions exist water softening or the threshold type of water treatment is recommended This will protect the dishwashers coffee urns water heaters water piping and other equipment See MAINTENANCE section for details of tank cleanout procedure AIR REQUIREMENTS KEEP APPLIANCE AREA CLEAR AND FREE OF COMBUSTIBLE MATERIALS GASOLINE AND OTHER FLAMMABLE VAPORS AND LIQUIDS DO NOT OBSTRUCT THE FLOW OF COMBUSTION AND VENTILATING AIR WARNING FOR SAFE OPERATION PROVIDE ADEQUATE AIR FOR COMBUSTION AND VENTILATION AN INSUFFICIENT SUPPLY OF AIR WILL CAUSE RECIRCULATION OF COMBUSTION PRODUCTS RESULTING IN CONTAMINATION THAT MAY BE HAZARDOUS TO LIFE SUCH A CONDITION OFTEN WILL RESULT IN A YELLOW LUMINOUS BURNER FLAME CAUSING CARBONING OR SOOTING OF THE COMBUSTION CHAMBER BURNERS AND FLUE TUBES AND CREATES A RISK OF ASPHYXIATION MECHANICAL EXHAUSTING OF ROOM AIR Where an exhaust fan is installed in the same room with a heater sufficient openings for air must be provided in the walls UNDERSIZED OPENINGS WILL CAUSE AIR TO BE DRAWN INTO THE ROOM THROUGH THE HEATER S VENTING SYSTEM CAUSING POOR COMBUSTION SOOTING MAY RESULT IN SERIOUS DAMAGE TO THE HEATER AND RISK OF FIRE OR EXPLOSION IT CAN ALSO CREATE A RISK OF ASPHYXIATION UNCONFINED SPACE In buildings of
11. HOT WATER LOCAL CODES OUTLET T amp P RELIEF VALVE CAUTION IF BUILDING COLD WATER SUPPLY HAS A BACK FLOW PREVENTER Fp CHECK VALVE OR WATER METER WITH CHECK VALVE PROVISIONS FOR THERMAL EXPANSION OF WATER IN THE HOT WATER SYSTEM MUST BE PROVIDED 11 2 ALL BRONZE PLUG CIRCULATING COCK PUMP STORAGE TANK NOTE CONNECT RETURN 1 4 LINE FROM HOT WATER MUERE CIRCULATING LOOP IF USED T lt I TO COLD WATER INLET LINE 3 4 3 4 COLD WATER SUPPLY CHECK INSTALL THERMAL EXPANSION TANK IF CHECK VALVE OR PRESSURE REDUCING VALVE IS USED IN SUPPLY PIPE TO OPEN DRAIN dg cii INSTALL IN ACCORDANCE WITH LOCAL CODES ONE TEMPERATURE ONE HEATER HORIZONTAL STORAGE TANK FORCED CIRCULATION WITH OR WITHOUT BUILDING RECIRCULATION DANGER TEMPERATURE SETTING SHOULD NOT EXCEED SAFE TEMPERATURE AT FIXTURES SEE WATER TEMPERATURE CONTROL WARNING ON PAGE 3 IF HIGHER PREHEAT TEMPERATURES ARE NECESSARY OBTAIN ADEQUATE BOOSTER OUTLET RELIEF OUTPUT ADD AN ANTI SCALD VALVE FOR HOT VALVE WATER SUPPLIED TO FIXTURES E THERMOMETER 3 PIPE TO OPEN DRAIN m a cas WITH STORAGE TANK ABOVE HEATER PROVIDE INSTALL INACCORDANCE HEAT TRAP TO APPROX INSTALL THERMAL EXPANSION WITH LOCAL CODES MID POINT OF HEATER STORAGE TANK TANK IF CHECK VALVE OR PRES
12. INSTALL IN ACCORDANCE WITH LOCAL CODES HOT WATER TO FIXTURES THERMOMETER Dy VACUUM RELIEF VALVE INSTALL PER LOCAL CODES OUTLET BOOSTED TEMPERTURE T amp P RELIEF VALVE TYPICAL BOOSTER HEATER 1 1 2 CIRCULATING PUMP WIRING DIAGRAM STORAGE TANK TEMPERATURE CONTROL 120V AC DISHWASHER TOGGLE SWITCH WITH RED PILOT LIGHT LINE L2 TEMPERATURE NEUTRAL L1 CONTROL CIRCULATING PUMP WIRING DIAGRAM FOR 180 82 C LOOP IF USED TWO TEMPERATURE ONE HEATER HIGH TEMPERATURE WITH RECIRCULATION OF SANITIZING LOOP CIRCULATING PUMP WIRING DIAGRAM STORAGE TANK TEMPERATURE CONTROL 120V AC L2 NEUTRAL DISHWASHER TOGGLE SWITCH WITH RED PILOT LIGHT LINE TEMPERATURE L1 CONTROL CIRCULATING PUMP WIRING DIAGRAM FOR 180 82 C LOOP IF USED SANITIZING LOOP TO VICINITY OF VACUUM RELIEF E VALVE INSTALL PER LOCAL CODES INSTALL THERMAL EXPANSION TANK IF CHECK VALVE OR PRESSURE REDUCING VALVE IS USED IN SUPPLY 180 F 82 C WATER OUTLET VACUUM DISHWASHER B 4 L TEMPERATURE INAL RINSE SOLENOID T AND PRESSURE Y SUPPLY COLD TEMPERED WATER WATER SUPPLY OUTLET NOTE 4 ig 54 17 R a nanas 26 amu a 12 15 In O 09 09 30cm 38cm E WATER HAMMER ARRESTER 4 1 1 2 i
13. continued heating cycles will continue and the heater will attempt to regulate the water in the tank to the Operating Set Point Example of a Warning Warning Anode Under Current Warning occured 2 mins ago 9 The power anode s current is low Press DOWN for more Back Advanced e Faults This is a safety related condition that has been detected by heater NOTE When these conditions occur the water heater will not continue any further heating cycles and the water will no longer be heated until the condition is corrected and in most cases power has been cycled Example of a Fault Blower Prover Open Fault occured 2 mins ago The blower prover switch remains open after the blower has been energized Press DOWN for more Back Advanced Advanced Diagnostics Information When a fault or warning has been declared advanced information can be found in the control By pressing the Advanced button detailed information can be found regarding diagnosing and resolving the problem WARNING Usage of the Advanced information requires ability equivalent to that of a license tradesmen in the field involved Access to the Current Fault or Warning When a fault or warning has been detected by the control it will automatically be displayed on the screen and the back light will blink If you choose to leave the current fault or warning by pressing the Back key you can always return to the fault screen throug
14. Potable Heating amp Space 17 eter 17 19 OPERATION E 20 Sequence of Operation 20 20 20 Operating elf MNT 20 21 Adjusting the Operating Set 21 Changing the Display 22 Fault and Warning Conditions van ria ee rud 22 23 Access to the Current Fault or Warning 23 Viewing the Fault History Ro ed oP Ra 24 Viewing Information About the 24 PRIOR TO START UP REQUIRED ABILITY sss 25 OPERATING INSTRUG 2b Adjustment Procedure Initial Start Up 25 26 Lighting Thistlellofils 26 Cathodic 27 Pe 21 GENERAL utet in hne antec ii 27 e Moi EE T 27 e RN E ar OO TU 27 High Altitude 2 27 MAINTENANCE m 27 Gea EE 27 Maintenance Schedule 4 seis 27
15. SUF 300 and 400 are factory equipped with a powered anode system The anodes are of a permanent design and do not need replacing unless damaged DRAIN VALVE AND ACCESS PANELS The heaters are equipped with a 3 4 drain valve An access panel covers the cleanout opening in the tank which is sealed by a gasket and cover see Figure 24 RELIEF VALVE At least twice a year the temperature and pressure relief valve should be checked to ensure that it is in operating condition To check the relief valve lift the lever at the end of the valve several times The valve should seat properly and operate freely If water does not flow remove and inspect for obstructions or corrosion Replace with a new valve of the recommended size as necessary Inspection of the valve should be performed at least every three years Do not attempt to repair the valve as this could result in improper operation and a tank explosion In areas with poor water conditions it may be necessary to inspect the T amp P valve more often than every three years CAUTION BEFORE MANUALLY OPERATING THE VALVE MAKE SURE THAT A DRAIN LINE HAS BEEN ATTACHED TO THE VALVE TO DIRECT THE DISCHARGE TO AN OPEN DRAIN FAILURE TO TAKE THIS PRECAUTION COULD MEAN CONTACT WITH EXTREMELY HOT WATER PASSING OUT THE VALVE DURING THIS CHECKING OPERATION If the temperature and pressure relief valve on the heater discharges periodically or continuously it may be due to thermal expansion of w
16. Soft Brush Vent System Inspect Every 3 Joints should Months be sealed 1 If furnished with oiling provision Clean Inlet Screen and Blower Wheel NOTE UN LIME is not available in Canada Please call Customer Service at 1 800 265 8520 for approved alternatives 2 FLUSHING 1 Turn off the heater electrical disconnect switch 2 Open the drain valve and allow water to flow until it runs clean 3 Close the drain valve when finished flushing 4 Turn on the heater electrical disconnect switch DRAINING The 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 1 Turn off the heater electrical disconnect switch 2 Close the cold water inlet valve to heater Open a nearby hot water faucet to vent the system Open the heater drain valve If the heater is being drained for an extended shutdown it is suggested the drain valve be left open during this period e Follow FILLING instructions when restoring hot water service SEDIMENT REMOVAL Waterborne impurities consist of the particles of soil and sand which settle out and form a layer of sediment on the bottom of the tank For convenience sediment removal and lime scale removal should be performed at the same time LIME SCALE REMOVAL The amount of calcium carbonate lime released from water is in direct proportion to water temperature and usage The
17. and all inlet water lines are open The following test equipment should be on hand all test equipment must be acclimated to ambient temperature before calibration and use Two U tube manometers or calibration 0 10 W C 0 2 5Kpa and 0 35 W C 0 8 7Kpa pressure gauges e Attach a gas pressure gauge or manometer to the upstream side of main gas cock and a gas pressure gauge or manometer to the manifold pressure tap You are now ready to begin the burner start up procedure OPERATING INSTRUCTIONS IMPORTANT IT IS RECOMMENDED THAT A QUALIFIED SERVICE TECHNICIAN PERFORM THE INITIAL FIRING OF THE HEATER AT THIS TIME THE USER SHOULD ASK THE TECHNICIAN ANY QUESTIONS IN REGARD TO THE OPERATION AND MAINTENANCE OF THE UNIT CAUTION BEFORE PROCEEDING WITH THE OPERATION OF THE UNIT MAKE SURE HEATER AND SYSTEM ARE FILLED WITH WATER AND ALL AIR IS EXPELLED FROM HEATER AND PIPING NEVER OPERATE THE HEATER WITHOUT FIRST BEING CERTAIN IT IS FILLED WITH WATER ANDA TEMPERATURE AND APRESSURE RELIEF VALVE IS INSTALLED IN THE RELIEF VALVE OPENING OF THE HEATER DO NOT ATTEMPT TO OPERATE HEATER WITH COLD WATER INLET VALVE CLOSED FILLING 1 Close the heater drain valve 2 Open a nearby hot water faucet to permit the air in the system to escape 3 Fully open the cold water inlet pipe valve allowing the heater and piping to be filled 4 Close the hot water faucet as water starts to flow 5 The heater is ready to be operated
18. circulating pump When a circulating pump is used it is important to note that the flow rate should be slow so that there will be a minimum of turbulence inside the heater CLOSED SYSTEM CAUTION A closed system will exist if a check valve without bypass pressure reducing valve without bypass or a water meter without bypass is installed in the cold water line between the water heater and street main or well Excessive pressure may develop causing premature tank failure or intermittent relief valve operation This type of failure is not covered by the limited warranty An expansion tank or a similar device may be required in the inlet supply line between the appliance and the meter or valve to compensate for the thermal expansion of water under supply pressure If a water heater is installed in a closed water system check local codes or contact the water supplier local plumbing inspector on how to control this situation WATER POTABLE HEATING AND SPACE HEATING 1 All piping components connected to this unit for space heating applications shall be suitable for use with potable water Toxic chemicals such as those used for boiler treatment shall NEVER be introduced into this system This unit may never be connected to any existing heating system or component s previously used with non potable water heating appliance When the system requires water for space heating at temperatures higher than required fo
19. competent consulting agency if you have any questions about the application or installation of PVC PVC cellular core ABS or CPVC pipe Take the time and effort to do a professional job Shortcuts will only cause you problems and delays in start up The majority of failures in these systems are the result of shortcuts and or improper joining techniques 2 SELECTION OF MATERIALS PRIMER It is recommended that Tetrahydrofuran THF be used to prepare the surfaces of pipe and fittings for solvent welding Do not use water rags gasoline or any other substitutes for cleaning PVC cellular core ABS or CPVC surfaces A chemical cleaner such as MEK may be used CEMENT The cement should be a bodied cement of approximately 500 to 1600 centipoise viscosity containing 10 20 by weight virgin PVC material solvated with tetrahydrofuran THF Small quantities of dimethyl formamide DMF may be included to act as a retarding agent to extend curing time Select the proper cement Schedule 40 cement should be used for Schedule 40 pipe Never use all purpose cements commercial glues and adhesives 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 VENTILATED AREA CONTROLS AND SWITCHES The SUF 130 300 and 400 are equipped with four pressure switches These switches are essential to the safe and pr
20. higher the water temperature or water usage the more lime deposits are dropped out of the water This is the lime scale which forms in pipes heaters and on cooking utensils Lime accumulation not only reduces the life of the equipment but also reduces efficiency of the heater and increases fuel consumption The usage of water softening equipment greatly reduces the hardness of the water However this equipment does not always remove all of the hardness lime For this reason it is recommended that a regular schedule for deliming be maintained The depth of lime buildup should be measured periodically Heaters will have about 3 7 6cm of lime buildup when the level of lime has reached the bottom of the cleanout opening or about 1 2 5cm of lime buildup if it has reached the drain valve opening A schedule for deliming should be set up based on the amount of time it would take for a 1 2 5cm buildup of lime Example 1 Initial inspection shows 1 2 1 3cm of lime accumulation Therefore the heater can be delimed once a year Example 2 Initial inspection shows 2 5cm of lime accumulation Therefore the heater should be delimed every 3 months 28 Sediment and lime scale removal may be accomplished through the cleanout opening furnished on the heater see Figure 24 The heater must be drained see DRAINING before removing cleanout cover on tank CLEANOUT ACCESS TANK CLEANOUT OPENING CLEANOUT GASKET CLE
21. pressure gauge manometer connected to the manifold pressure tap on the gas control valve Figure 15 If full rate adjustment is required remove cover screw from top of the gas control valve Figure 15 Using small screwdriver turn adjusting screw clockwise increase or counterclockwise to decrease gas pressure to obtain 4 0 W C 0 996 kPa for Natural Gas and 10 W C 2 49 kPa for LP gas 3 Cycle the burner on and off several times to check its operation 4 Check the operation of the limit and operating controls 5 Check the vent system seams and joints and ensure that there is no discharge of flue products into the room 6 Check the input rate For appliance installation locations with elevations above 10 000 feet 3 048 m refer to HIGH ALTITUDE INSTALLATIONS section of this manual a Attach a pressure gauge manometer to the manifold pressure tap Figure 16 and refer to Table 4 page 20 for correct pressure b Use this formula to clock the meter Be sure other gas consuming appliances are not operating during this interval e X H Btuh aX 1050 300 000 Btuh 87 9 kW T Time in seconds to burn 1 cubic foot of gas With a stopwatch read the gas meter and measure the amount of time required for the heater to consume 1 cubic foot of gas H Heating value of gas in Btu s per cubic foot of gas Btuh Actual heater input rate in Btuh EXAMPLE Using SUF 130 300 heater T 12 6 secon
22. that may be open to another appliance VENT TERMINAL X AIR SUPPLY INLET AREA WHERE TERMINAL 15 NOT PERMITTED 1 Permitted only if veranda porch deck or balcony is fully opened on a minimum of two sides beneath the floor 2 A vent shall not terminate above a sidewalk or paved driveway that is located between two single family dwellings and serves both dwellings CAUTION TO PREVENT EXHAUSTING PRODUCTS FROM CIRCULATING TO THE AIR INTAKE IN WINDY COLD AREAS THE MAXIMUM PRACTICAL DISTANCE BETWEEN THESE TWO TERMINALS IS RECOMMENDED CANADIAN HORIZONTAL VENT Minimum 3 ft 91 cm Minimum 3 ft 91 cm within a height of 15 ft 4 6 m above 12 in 30 cm meter regulator assembly above grade or expected snow fall 12 in 30 cm to side or Minimum 3 ft 1 83 m clearance from soffit 12 in 30 cm F to service regulator vent outlet above door 1 Minimum SS Minimum 12 in 30 cm 7 ft 2 3 m t 2 ft 61 cm NN under veranda porch above from outside deck or balcony public sidewalk corner SS see footnote 1 25 55 u see footnote 2 4 ft 91 emi NX 5 SENS C NS Minimum 4 ft 1 2 m below or side of 12 in 30 cm Minimum E 12 in 30 cm Minimum 4 ft 1 2 m fea sides of from side of window N that may be open Mini 4 ft 1 2 Minimum 4 ft 1 2 m above non mechanical air inimum 4 ft 1 2 i i a a
23. the same direction The specifications are displayed in Figure 11 NOTE Exhaust vent terminal is installed using the same procedure INSTALLATION SEQUENCE NOTE BEFORE BEGINNING INSTALLATION OF ANY VENT PIPE READ VENT PIPE PREPARATION SECTION ON PAGE 12 1 After the points of termination have been determined use the cover plates as templates to mark the holes for the vent pipes to be inserted through the roof 2 Drill a pilot hole approximately 1 4 6 mm outside of the marked circle This pilot hole is used as a starting point for a saws all or sabre saw blade Cut around the marked circle staying approximately one quarter inch outside the line This will allow the vent pipe to easily slide through the opening The resulting gap will be covered by the roof boot flashing 3 Suspend the pipe through center of hole using proper support 4 Slide roof boot or equivalent flashing over pipe and secure roof boot equivalent flashing to roof 5 Seal around flashing 6 Terminate intake terminal and exhaust vent terminal facing down See Figure 11 EXHAUST VENT TERMINAL INTAKE VENT TERMINAL FLASHING 12 30 5cm ABOVE AVERAGE SNOWFALL 12 30 5cm ABOVE AVERAGE SNOWFALL FLASHING 4 PIPE NOTE Intake Vent Terminal wall or Vertical Vent installations are required for Direct Vent unts FIGURE 11 INSTALLATION OF VENT SYSTEM WARNING THE OPTIONAL INTAKE VENTING ARRANGEMENT AND THE EXHA
24. this appliance shall also be installed with a properly sized rated and approved temperature ANSI and pressure ASME relief valve s This relief valve shall comply with the standard for relief valves and automatic gas shutoff devices for hot water supply systems ANSI 221 22 4 4 Your local code authority may have other specific relief valve requirements WARNING THE PURPOSE OF A RELIEF VALVE IS TO AVOID EXCESSIVE PRESSURE OR TEMPERATURE INTO THE STEAM RANGE WHICH MAY CAUSE SCALDINGAT FIXTURES TANK EXPLOSION SYSTEM OR HEATER DAMAGE NO VALVE IS TO BE PLACED BETWEEN THE RELIEF VALVE AND THE TANK A DRAIN LINE MUST BE CONNECTED TO THE RELIEF VALVE TO DIRECT DISCHARGE TO A SAFE LOCATION TO AVOID SCALDING OR WATER DAMAGE THIS LINE MUST NOT BE REDUCED FROM THE SIZE OF THE VALVE OUTLET AND MUST NOT CONTAIN VALVES OR RESTRICTIONS NOR SHOULD IT BE LOCATED IN FREEZING AREAS DO NOT THREAD OR CAP THE END OF THIS LINE RESTRICTED OR BLOCKED DISCHARGE WILL DEFEAT THE PURPOSE OF THE VALVE AND IS UNSAFE THE DISCHARGE LINE SHALL BE INSTALLED TO ALLOW COMPLETE DRAINAGE OF BOTH THE VALVE AND LINE WATER LINE CONNECTIONS This manual provides detailed installation diagrams see back section of this manual for typical methods of application for the water heaters The water heater may be installed by itself or with a separate storage tank When used with a separate storage tank the circulation may be either by gravity or by means of
25. 13 Installation of 13 Vent Preparato 14 CONTROLS AND SWITCHES br 14 Blower Prover SWINGIN Ear 14 Blocked Outlet Prover o eL erret 14 Blocked Inlet Prover Switch 44 14 Low Gas Pressure 14 DLS PN TENERE 14 15 15 GAS RIFIN 15 Connection of Gas 1 15 16 aider NT 16 Gas Meter Size City Gases 16 16 OEM CONNEC attrita 16 ThermomelelS FUERO E DE 16 ENa 16 Water Line COnne 16 Closed Syste eeann aii UU 16 17 FEATURES IMPORTANT IT IS REQUIRED THAT A QUALIFIED SERVICE TECHNICIAN PERFORM THE INITIAL FIRING OF THE HEATER AT THIS TIME THE USER SHOULD NOT HESITATE TO ASK THE TECHNICIAN ANY QUESTIONS WHICH HE MAY HAVE IN REGARD TO THE OPERATION AND MAINTENANCE OF THE UNIT A CHECKLIST AND SERVICE INFORMATION section are included at the rear of this manual By using this checklist the user may be able to make minor operational adjustments and save himself unnecessary service calls However the user should not attempt repairs which are not listed in this section WATER TEMPERATURE CONTROL A DANGER Water
26. 960 6300 a 1460 2750 4360 11000 7700 6250 5300 4750 4300 3900 3700 3450 23000 15800 12800 10900 9700 8800 8100 7500 3520 660 990 1900 580 900 1680 60 70 1850 3250 6700 125 360 550 1020 1650 2950 6000 150 175 20 130 800 1280 2280 4600 3000 2650 2400 2250 2050 1950 N N je e LENGTH NORMAL IRON PIPE SIZES INCHES IN INPUT IN KW M ETERS TUA 31327 7 2457 a 30 40 615 1160 1845 3221 6735 278 428 805 1277 2255 4626 225 346 644 1031 1830 3748 793 155 143 202 381 600 1083 2196 WARNING THE HEATER IS NOT INTENDED FOR OPERATION AT HIGHER THAN 11 0 WATER COLUMN 2 74 Kpa FOR NATURAL GAS AND 14 0 W C 3 49kPa FOR PROPANE GAS SUPPLY PRESSURE HIGHER GAS SUPPLY PRESSURES REQUIRE SUPPLEMENTAL REDUCING SERVICE REGULATION EXPOSURE TO HIGHER GAS SUPPLY PRESSURE MAY CAUSE DAMAGE TO THE GAS CONTROLS WHICH COULD RESULT IN FIRE OR EXPLOSION IF OVERPRESSURE HAS OCCURRED SUCH AS THROUGH IMPROPER TESTING OF GAS LINES OR EMERGENCY MALFUNCTION OF THE SUPPLY SYSTEM THE GAS VALVE MUST BE CHECKED FOR SAFE OPERATION MAKE SURE THAT THE OUTSIDE VENTS ON THE SUPPLY REGULATORS AND THE SAFETY VENT VALVES ARE PROTECTED AGAINST BLOCKAGE THESE ARE PARTS OF THE GAS SUPPLY SYSTEM NOT THE HEATER VENT BLOCKAGE MAY OCCUR DURING ICE STORMS IT IS IMPORTANT TO GUARD AGAINST GAS VALV
27. ANOUT COVER FIGURE 24 To dissolve and remove the more stubborn mineral deposits State UNeLIME Professional Delimer should be used State UN LIMEG Professional Delimer is an easy to handle patented food grade acid formulated specifically for lime scale removal from all types of water using equipment Available in 1 gallon 3 8L part no 4763 and 5 gallon 19L part no 4813 sizes Hydrochloric base acids are not recommended for use on glass lined tanks State Form No 4800 Rev 8 entitled Why When and describes tank cleaning methods and materials UN LIME and the booklet may be obtained through your State dealer or distributor The cleanout opening is shown in Figure 24 To clean heater through cleanout opening proceed as follow 1 Turn off water inlet valve the heater electrical disconnect switch and open drain valve Remove outer cover plate from lower side of heater jacket Remove cover from cleanout opening Remove lime scale or sediment using care not to damage the glass lining Inspect cleanout plate gasket If new gasket is required replace with part no 99038 Install cleanout plate Be sure to draw plate up tight by tightening Screws securely Close drain valve open water inlet line and turn on the power burner electrical disconnect switch Check for water leakage Replace outer jacket cover plate POWERED ANODE SYSTEM To insure a long trouble free operating life
28. AREA WHERE TERMINAL IS NOT PERMITTED 1 Permitted only if veranda porch deck or balcony is fully opened on a minimum of two sides beneath the floor 2 A vent shall not terminate above a sidewalk or paved driveway that is located between two single family dwellings and serves both dwellings FIGURE 5 9 US HORIZONTAL VENT Minimum 3 ft 91 cm Minimum 3 ft 91 cm within a height of 15 ft 4 6 m above 12 in 30 cm meter regulator assembly s above grade or m expected snow fall 12 in 30 cm to side or Minimum 3 ft 1 83 m clearance from soffit 12 in 30 cm to service regulator vent outlet above door 1 Minimum Minimum 559 Minimum 12 in 30 cm 7 ft 2 3 m t 2 ft 61 cm NN under veranda porch above from outside deck or balcony public Vine corner NN see footnote 1 or pave driveway Mir mum see footnote 2 NN 3 ft 9 1 cm SS lt 5 J b mechanical air SA VAN supply inlet NA within 10 ft 3 m NS ES horizontally Minimum a 12 in 30 cm Minimum 4 ft 1 2 m Minimum 4 ft 1 2 m from sides of from side of window N below or side of 12 in 30 cm that may be open Mini 4 ft 1 2 Minimum 4 ft 1 2 m above non mechanical air ermanentl inimum 4 ft 1 2 m i i ee 2 below a window that jo dos oe supply inlet into building Minimum 12 in 30 cm above may be open y or combustion air inlet window or door
29. AY COULD RESULT IN INTERNAL DAMAGE TO THE MODULE CIRCUITS POSSIBLY ALTERING THE IGNITION SEQUENCE ALLOWING GAS VALVES TO OPEN BEFORE THE HOT SURFACE IGNITER IS UP TO IGNITION TEMPERATURE NOTE ANY BYPASS ORALTERATION OF THE UNITS SAFETIES WILL RESULT IN VOIDING THE APPLIANCE WARRANT Y Before performing any troubleshooting familiarize yourself with the particular appliance Refer to the SEQUENCE OF OPERATION and the connection diagram located on page 16 before continuing Make sure the appliance is connected to a 120V AC power supply manual gas valve is in the ON position and all electrical connections are secure before continuing to troubleshoot this appliance CAUTION THE WATER HEATER IS POLARITY SENSITIVE BEFORE APPLYING ELECTRICITY TO THIS HEATERBE CERTAIN THAT SUPPLY NEUTRAL WIRE TO GROUND CHECK INDICATES ZERO VOLTAGE MOTOR WILL NOT RUN Confirm 120V AC Also to verify correct polarity check for 120 V AC between hot supply and ground If there is no voltage check for a loose connection For SUF 130 400 a VFD Variable Frequency Drive is used rdy stands for ready will be shown on display in standby heating mode 155 155 output Hz shall be shown on VFD display during heater running for SUF 130 400 model Any other display on the VFD indicates a faulty VFD of wrong speed reference call State Tech Support for assistance MOTOR RUNS PREPURGE TIME ELAPSES BUT MAIN FLAME NOT ESTABLISHED Check to see
30. E FOULING FROM CONTAMINANTS IN THE GAS WAYS SUCH FOULING MAY CAUSE IMPROPER OPERATION FIRE OR EXPLOSION IF COPPER SUPPLY LINES ARE USED THEY MUST BE INTERNALLY TINNED AND CERTIFIED FOR GAS SERVICE BEFORE ATTACHING THE GAS LINE BE SURE THAT ALL GAS PIPE IS CLEAN ON THE INSIDE TO TRAP ANY DIRT OR FOREIGN MATERIAL IN THE GAS SUPPLY LINE A DIRT LEG SOMETIMES CALLED A SEDIMENT TRAP OR DRIP LEG MUST BE INCORPORATED IN THE PIPING SEE FIG 14 THE DIRT LEG MUST BE READILY ACCESSIBLE AND NOT SUBJECT TO FREEZING CONDITIONS INSTALL IN ACCORDANCE WITH RECOMMENDATIONS OF SERVING GAS SUPPLIERS REFER TO THE NATIONAL FUEL GAS CODE NFPA 54 OR THE NATURAL GAS AND PROPANE INSTALLATION CODE CAN CSA B149 1 REGULATED GAS SUPPLY LINE MAIN GAS SHUTOFF 7 VALVE DIRT LEG EE PIPE ae FIGURE 14 CONNECTION OF GAS PIPE 1 When connecting gas pipe to unit apply wrench to flange only Note Do not use wrench on gas valve or gas bracket 2 PERFORM THE GAS LEAK TEST ANY TIME WORK IS DONE ON A GAS SYSTEM TO AVOID THE POSSIBILITY OF FIRE OR EXPLOSION WITH PROPERTY DAMAGE PERSONAL INJURY LOSS OF LIFE The Gas Leak Test is performed as follows Paint pipe connections upstream of gas control with a rich soap and water solution to test for leaks before operating main burner Bubbles indicate gas leak To stop leak tighten pipe connections After piping connections are checked turn on main burner With main burner in operation pain
31. FORE THE HEATER TANK IS FILLED WITH WATER NOTE This controller is Polarity Sensitive If the Hot and Neutral Supply Voltage is reversed the controller will not sense flame Verify polarity before connecting the unit SUF 130 300 WIRING DIAGRAM LOW GAS BLOCKED BLOCKED BLOWER GAS VALVE INLET OUTLET PROVER 69 gt E 2 10 6 Oo 8 OT gt IGNITER cam ROD E 1 RED 2 BLACK J 1 BLACK ANODE 1 gt 2 BLACK C N 1 c Kea 4 ANODE 2 199 AND 250 ONLY d 1 BLACK 1 Ro wane EUER 2 e GREEN Z 5 WHITE O 2 BLACK w mm 2 BLACK WHITE B GROUND STRIP BURNER GROUND me BURNER BOLT FIGURE 15 18 SUF 130 400 WIRING DIAGRAM LOW GAS BLOCKED BLOCKED GAS VALVE INLET OUTLET Lr e D i IGNITER OC FLAME ROD 1 RED TOP PROBE PE 1 BLACK 2 BLACK 1 LL e r ANODE 2 WHHERPREN BLACK GREEN e WHITE BLACK VYYY Lc 9 C o Kam JUNCTION BOX m m GROUND STRIP
32. ITUDES UP TO 10 000 FEET INSTALLATIONS ABOVE 10 000 FEET MAY REQUIRE REPLACEMENT OF THE BURNER ORIFICE CALL THE TECHNICAL INFORMATION CENTER AT 800 527 1953 FOR REQUIREMENTS Some gas utility companies derate their gas for altitude making it unnecessary to install high altitude orifices Call the local gas or utility company to verify BTU content Due to the input rating reduction at high altitudes the output rating of the appliance is also reduced and should be compensated for in the sizing of the equipment for applications MAINTENANCE GENERAL KEEP APPLIANCE AREA CLEAR AND FREE FROM COMBUSTIBLE MATERIALS GASOLINE AND OTHER FLAMMABLE VAPORS AND LIQUIDS SEE WARNING ON PAGE 5 LOCATING THE HEATER Water heater maintenance includes periodic tank flushing and cleaning and removal of lime scale The unit should be inspected and adjusted to maintain proper combustion Refer to the following table A periodic inspection of the venting system should be made Where used the water circulating pump should be oiled MAINTENANCE SCHEDULE Following are the instructions for performing some of the recommended maintenance Unit inspection and adjustment should be performed by a competent technician COMPONENT OPERATION INTERVAL REQUIRED Tank Sediment Removal Tank Lime Scale Semi UN LIME Removal Annually Delimer Powered Anode Inspect Semi System Annually Monthly Flushing Relief Valve Inspect Semi Annually As Required
33. LE x CIRCULATING PUMP 4 af E gt gt Tee AST bed baci z 1 LINE TEMP CONTROL MUST BE IDENTICAL HEATERS d Ar TU nag s RETURN LINE FROM 180 F 82 C WATER CIRCULATING LOOP IF USED CHECK VALVE TWO TEMPERATURE THREE HEATERS TWO PRE HEATERS ONE BOOSTER HEATER WITH OR WITHOUT BUILDING RECIRCULATION ALL MANIFOLDING MUST BE EQUAL LENGTH 1 1 2 MAXIMUM PIPE 180 F 82 C WATER OUTLET THERMOMETER THERMOMETER T amp P 4 RELIEF ALL MANIFOLDING MUST BE EQUAL LENGTH PLUG COCK 1 l PRE HEATER p PRE HEATER ALL MANIFOLDING MAXIMUM PIPE ADD CHECK VALVE WHEN CIRCULATING LOOP MUST BE IDENTICAL HEATERS FOR MULTIPLE HEATER INSTALLATION SEE MANIFOLD KIT SPECIFICATIONS PAGE 30 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 HOT WATER TO FIXTURES PREHEATED WATER TO BOOSTER VALVE CIRCULATING CHECK 11 VALVE RETURN LINE FROM 180 F 82 C WATER CIRCULATING LOOP IF USED 32 INSTALL THERMAL EXPANSION TANK IF CHECK VALVE OR PRESSURE REDUCING VALVE IS USED IN SUPPLY 180 F 82 C WATER OUTLET PUMP ri THERMOMETE B VACUUM RELIEF VALVE TYPICAL BOOSTER HEATER INSTALL PER LOCAL CODES DANGER
34. MPERATURE AT WHICH INJURY OCCURS VARIES WITH THE PERSON S AGE AND TIME OF EXPOSURE THE SLOWER RESPONSE TIME OF CHILDREN AGED OR DISABLED PERSONS INCREASES THE HAZARDS TO THEM NEVER ALLOW SMALL CHILDREN TO USE A HOT WATER TAP OR TO DRAW THEIR OWN BATH WATER NEVER LEAVE A CHILD OR DISABLED PERSON UNATTENDED IN A BATHTUB OR SHOWER THE WATER HEATER SHOULD BE LOCATED IN AN AREA WHERE THE GENERAL PUBLIC DOES NOT HAVE ACCESS TO SET TEMPERATURES The water temperature is controlled using the Temperature Control UP DN Button on the Display at the front of the unit See Figure 1 This control utilizes two temperature probes to determine the tank temperature The primary temperature probe is located at the top of the tank and the other is near the water inlet AT A GLANCE QUICK INSTALLATION TIPS EXHAUST CONNECTION 4 SCHEDULE 40 PVC ONLY ELECTRICAL CONNECTION BLACK 120 VAC TO RECOMMENDED WHITE amp GREEN NO VOLTAGE MINIMUM PRESENT BETWEEN 12 TOP WHITE amp GREEN CLEARANCE FOR SERVICEABILITY CONTROL PANEL ACCESSIBLE GAS SUPPLY PIPING 1 1 4 FOR SUF 130 300 amp 400 GAS SUPPLY PRESSURE NATURAL GAS MIN 5 2 WC DYNAMIC MAX 10 WC STATIC LP MIN 9 WC DYNAMIC MAX 13 WC STATIC 7 4 HOT WATER OUTLET 1 1 2 NPT PLUMBED TO FLOOR DRAIN COLD WATER 1 1 2 INLET CLEAN OUT DRAIN EXHAUST ACCESSIBLE VALVE CONNECTION ACCESSIBLE CONDENSATE DRAIN HOSE 4 SCHED 40 IN FACTORY STRAP WET TRAP PVC ONL
35. Operating Set Point is the temperature at which the water heater will maintain the water inside the tank The third line on the screen is a text description of the Operational State of the water heater please see Operating States for more details State Ultraforce SUF 130 400 103 F 120 F Tank Temperature Operating Set Point Status Heating T 42 24 The row of status icons describe graphically operational details of the heater Following is a legend of all the status icons Description The temperature of the water in the tank has fallen and the water heater will now initialize a new heating cycle The temperature of the water in the tank has reached the Operating Set Point The control in unable to initiate any further heating cycles This is usually caused by a fault condition detected by the control but can also occur when an external system like an energy management system has asked the water heater to discontinue any further heat cycles 3 The blower is being energized The blower pressure switch has been made The igniter has been energized The igniter has been energized and sufficient current for ignition has been detected The control has requested that the gas valve be turned on The control has sensed flame in the burner The control has detected a fault condition The control has detected a warning condition These conditions will not cause the water heater to discontinue further h
36. RES A DRAIN TO BE LOCATED IN CLOSE PROXIMITY TO ALLOW THE CONDENSATE TO DRAIN SAFELY THE CONDENSATE DRAINS FROM THE UNIT AT THE EXHAUST ELBOW LOCATED AT THE BOTTOM OF THE UNIT NOTE IT IS IMPORTANT THAT THE CONDENSATE HOSE NOT BE ELEVATED ABOVE THE EXHAUST ELBOW SEE FIGURE 3 THE CONDENSATE BUILD UP WILL BLOCK THE EXHAUST OUTLET WHICH WILL CAUSE IMPROPER OPERATION EXHAUST ELBOW CONDENSATE HOSE NOTE THE CONDENSATE HOSE MUST BE BELOW EXHAUST ELBOW FIGURE 3 A 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 ANY PART OF THE CONTROL SYSTEM AND ANY GAS CONTROL WHICH HAS BEEN UNDER WATER CLEARANCES These heaters are approved for installation on combustible flooring in an alcove when the minimum clearances from any combustion construction are followed as indicated in Figure 4 In all installations the minimum combustible clearances from any vent piping shall be 0 Vent piping passing through a combustible wall or ceiling must be a continuous run no joints A service clearance of 24 61 cm should be maintained from serviceable parts such as relief valves thermostats cleanout openings drain valves and venting connections Always disconnect electrical power before servicing the unit CEILING 1 5 9 RIGHT Ws 55553 WALL dms REAR WALL LEFT WALL LEFT 0 WALL 4 05 Q RIGHT WALL
37. S TO PREVENT EXHAUSTING PRODUCTS FROM CIRCULATING TO THE AIR INTAKE IN WINDY COLD AREAS THE MAXIMUM PRACTICAL DISTANCE BETWEEN THESE TWO TERMINALS IS RECOMMENDED IMPORTANT WHEN LOCATING THE TERMINALS ON A SIDEWALL THE FOLLOWING SPECIFICATIONS PERTAINING TO TERMINAL 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 the exhaust vent terminal see Figure 9 In colder climates increasing the 24 61cm minimum to 48 122cm will reduce possibility of frost over from side winds blowing exhaust vapors to the air intake of the direct the vent and is recommended for Canada 2 The horizontal centerline of the intake vent terminal may not be located lower than the horizontal centerline of the exhaust vent terminal see Figure 9 EXHAUST VENT TERMINAL L INTAKE VENT TERMINAL 24 61cm MINIMUM FIGURE 9 INSTALLATION SEQUENCE For installations in the City of Los Angeles California Category IV PVC Pipe such as that manufactured by Brownline Pipe Company must be used as vent pipe material CAUTION Vent terminals supplied with the heater must be used NOTE BEFORE BEGINNING INSTALLATION OF ANY VENT PIPE READ THE VENT PIPE MANUFACTURER S INSTALLATION INSTRUCTIONS 1 After the points of termination have been determined use the
38. SURE REDUCING VALVE T amp P 2 IS USED IN SUPPLY RELIEF RISER VALVE b 1 Pi Pa T d Tu ally 2 T TEMPERATURE CONTROL RETURN LINE FROM BUILDING CIRCULATING amens LOOP IF USED PLUG COCK CHECK VALVE CIRCULATING PUMP WIRING DIAGRAM STORAGE TANK TEMPERATURE CONTROL LD 3 4 475 ALL BRONZE CIRCULATING PUMP L1 N lt EL 120 CIRCULATING PUMP VACUUM RELIEF p VALVE SUPPLY L2 NEUTRAL INSTALL PER LOCAL CODES WIRING DIAGRAM FOR BOILER TO TANK LOOP AND OR HOT WATER LOOP IF USED 30 TWO TEMPERATURE ONE HEATER HIGH TEMPERATURE WITH OR WITHOUT BUILDING RECIRCULATION PIPE RELIEF VALVE TO OPEN DRAIN DANGER TEMPERATURE SETTING SHOULD NOT EXCEED SAFE TEMPERATURE AT FIXTURES SEE WATER TEMPERATURE CONTROL WARNING ON PAGE 3 IF HIGHER PREHEAT TEMPERATURES ARE NECESSARY TO OBTAIN ADEQUATE BOOSTER OUTPUT ADD AN ANTI SCALD VALVE FOR HOT WATER SUPPLIED TO FIXTURES NOTE IF TEMPERED WATER 15 RECIRCULATED RETURN LINE SHOULD BE CONNECTED AT POINT INSTALL IN ACCORDANCE WITH 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 INSTALL THERMAL EXPANSION TANK IF CHECK VALVE OR PRESSURE REDUCING VALVE IS USED IN SUPPLY B VACUUM RELIEF VALVE INSTALL PER LOCAL CODES
39. 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 temperature readings in the tank along with adjusting the Operating Set Point and Differential To change the current programmed temperature setpoint value see OPERATION section for details Figure 1 shows the approximate time to burn relationship for normal adult skin Short repeated heating cycles caused by small hot water uses can cause temperatures at the point of use to exceed the thermostat setting by up to 20 F 11C If you experience this type of use you should consider using lower temperature settings to reduce scald hazards State Ultraforce SUF 130 400 103 F 120 F Tank Temperature Operating Set Point Status Heating e 42 OFF 0 Temperature Time to Produce 2nd amp 3rd Setting Degree Burns on Adult Skin 180 F 82 C Nearly instantaneous 170 F 77 C Nearly instantaneous 160 71 C About 1 2 second 150 F 66 C About 1 1 2 seconds 140 F 60 C Less than 5 seconds 130 F 54 C About 30 seconds 120 F 49 C More than 5 minutes FIGURE 1 Valves for reducing point of use temperature by mixing cold and hot water are available see Figure 2 Also available are inexpensive devices that attach to faucets to limit hot water temperatures Contact a licensed plumber or the local plumbing a
40. T 1 1 4 NPT 1 1 2 67 25 170 82 cm GAS VALVE PIPING SUF 130 300 1 1 4 NPT SUF 130 400 1 1 4 NPT CLEANOUT TABLE 1 RECOVERY CAPACITIES Oooo 1 u 70 25 178 44 cm 33 12 84 12cm OUTSIDE DIAMETER 75 50 191 77 cm 50 77 128 96 cm 3 4 DRAIN 4 86 12 34 8 20 32 WATER INLET 1 1 2 NPT U S Gallons Hr and Litres Hr at TEMPERATURE RISE INDICATED TYPE OF INPUT Approx MODEL GAS BTUH KW Capacity 4oF soF T OOF zoF 80 100F 110 67 300 000 300 1746 1164 873 699 582 499 436 388 346 SUF 130 300 NATURAL 88 492 Litres 1746 1164 300 000 13005 Gals SUF 130 300 SUF 190 300 propane I SUF 130 400 NaTuRAL 399 900 130 US Gals 117 492Litres LP 399 900 13005 Gals SUF 130 400 12040 PROPANE 492 titres LP 873 699 582 Recovery capacities are based on heater performance at 9696 thermal efficiency for SUF 300 and 400 FOREWORD These designs comply with the current edition of the American National Standard for Gas Water Heaters Volume ANSI Z21 10 3 CSA 4 3 as an automatic circulating tank water heater and automatic storage water heaters Detailed installation diagrams are found in this manual These diagrams will serve to provide the installer with a refere
41. T PROCEDURE in OPERATING INSTRUCTIONS section page 19 for the manifold pressure adjustment procedure Check for the reversed polarity in the supply wiring This controller is polarity sensitive If the hot and neutral supply wires are reversed the controller will not sense flame Reverse the supply wires and try to fire the unit NOTE Always turn off and disconnect main supply wiring before servicing the unit 4 Check connecting wire to the flame sensor Verify that the flame sensor has not been damaged in any way Verify that the air supply is adequate The air inlet screen or blower wheel may be restricted Also check the installation for proper ventilation See AIR REQUIREMENTS Check the venting system for the correct sizing excess or insufficient See VENTING Check for a maximum inlet pressure of 11 Natural Gas 2 74 kPa W C and the manifold pressure as listed in Table 4 that is for Natural Gas 4 0 0 996 kPa W C Please note that the manifold pressure listed is the maximum value for the manifold pressure Do not set the manifold pressure higher than the value shown for your heater in Table 4 Overfiring the heater will result in rough ignition and or noisy operation Confirm that the air inlet screen see Figures 7 amp 8 is free of obstructions CAUTION Do not reach into the burner housing or combustion chamber if the heater is still hot Allow the heater to cool and always use gloves as the comb
42. TEMPERATURE SETTING SHOULD NOT EXCEED SAFE TEMPERATURE AT FIXTURES SEE WATER TEMPERATURE CONTROL WARNING ON PAGE 3 IF HIGHER PREHEAT TEMPERATURES ARE NECESSARY TO OBTAIN ADEQUATE BOOSTER OUTPUT ADD AN ANTI SCALD VALVE FOR HOT WATER SUPPLIED TO FIXTURES 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 TEMPERATURE CONTROL WARNING ON PAGE 3 IF HIGHER PREHEAT TEMPERATURES ARE NECESSARY TO OBTAIN ADEQUATE BOOSTER OUTPUT ADD AN ANTI SCALD VALVE FOR HOT WATER SUPPLIED TO FIXTURES INSTALL THERMAL EXPANSION TANK IF CHECK VALVE OR PRESSURE REDUCING VALVE IS USED IN SUPPLY T amp P RELIEF VALVE PRE HEATER COLD WATER SUPPLY r PRE HEATED MAXIMUM 1 1 2 WATER TO BOOSTER E CIRCULATING PUMP WIRING DIAGRAM STORAGE TANK TEMPERATURE CONTROL L1 120V AC CIRCULATING PUMP L2 NEUTRAL WIRING DIAGRAM FOR BOILER TO TANK LOOP AND OR HOT WATER LOOP IF USED 33 PIPE RELIEF VALVE TO OPEN DRAIN 140 60 150 F 66 SHOULD BE MAXIMUM WATER TEMPERATURE MAINTAINED IN THE PRE HEATERS 120 F 49 C SHOULD BE THE MINIMUM TEMPERATURE OF WATER IN THE PRE HEATERS CONNECT CIRCULATING LINE FROM FIXTURES IF USED TO COLD WATER SUPPLY LINE OF PRE HEATER CONNECT CIRCULATING LINE OF 180 F 82 C OR BOOSTED WATER IF USED TO INLET WATER LINE TO BOOSTER
43. ULTRA FORCE SUF 130 300 AND 400 COMMERCIAL GAS WATER HEATER GAS FIRED POWER BURNER GAS FIRED e FOR DOMESTIC HOT WATER Qi LISTED INSTALLATION OPERATION SERVICE 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 store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance e Do not touch any electrical switch do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department Installation and service must be performed by a qualified installer service agency or the gas supplier Thank you for buying this energy efficient water heater from State Industries We appreciate your confidence in our products CAUTION TEXT PRINTED OR OUTLINED IN RED CONTAINS INFORMATION RELATIVE TO YOUR SAFETY PLEASE WATER HEATERS READ THOROUGHLY BEFORE INSTALLING AND USING 500 TENNESSEE WALTZ PARKWAY THIS APPLIANCE ASHLAND CITY TN 37015 PLACE THESE INSTRUCTIONS ADJACENT TO HEATER AND NOTIFY OWNER TO KEEP FOR FUTURE REFERENCE PRINTED 0307 197483 002 ROUGH IN DIMENSIONS GAS VALVE OPENING WATER OUTLE
44. URGE DISCHARGE MUST NOT ENTER CONFINED AREAS OR SPACES WHERE IGNITION CAN OCCUR THE AREA MUST BE WELL VENTILATED AND ALL SOURCES OF IGNITION MUST BE INACTIVATED OR REMOVED GAS METER SIZE CITY GASES ONLY Be sure that the gas meter has sufficient capacity to supply the full rated gas input of the water heater as well as the requirements of all other gas fired equipment supplied by the meter If the gas meter is too small ask the gas company to install a larger meter having adequate capacity GAS VALVES WARNING SHOULD OVERHEATING OCCUR OR THE GAS SUPPLY FAIL TO SHUT OFF TURN OFF THE MANUAL GAS CONTROL VALVE TO THE APPLIANCE SYSTEM CONNECTIONS The system installation must conform to these instructions and to the local code authority having jurisdiction Good practice requires that all heavy piping be supported THERMOMETERS Not Supplied Thermometers should be obtained and field installed as shown in the installation diagrams Thermometers are installed in the system as a means of detecting the temperature of the outlet water supply RELIEF VALVE 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 WATER HEATER THE RELIEF VALVE S MUST NOT BE REMOVED OR PLUGGED In addition to the appliance relief valve each remote storage tank which may be used in conjunction with
45. UST VENTING ARRANGEMENT MUST BE INSTALLED TO RUN DIRECTLY TO THE OUTDOORS AND NOT IN ANY WAY BE CONNECTED TO ANOTHER VENTING SYSTEM I E FURNACE DRYERS OR SPACE HEATERS IT IS CRUCIAL THAT THE VENTING ARRANGEMENT BE KEPT SEPARATE FROM OTHER VENTING SYSTEMS IF THIS WARNING IS IGNORED AND THE SYSTEM IS VENTED INCORRECTLY IT MAY CAUSE IMPROPER OPERATION FIRE EXPLOSION OR ASPHYXIATION 1 Plan the route of the vent system from the vent termination to the planned location of the appliance Layout the total vent system to use the minimum of vent pipe and elbows possible 2 his unit is certified for the use of 4 inch PVC pipe for venting The maximum length of 70 equivalent feet of 4 inch PVC pipe may be used for the intake venting arrangement and a maximum length of 70 equivalent feet of 4 inch PVC pipe may be used on the exhaust venting arrangement If the gas pressure dynamic is set between 7 wc 9 wc the maximum allowed length is 80 equivalent feet for both air intake and exhaust venting The maximum number of 90 degree elbows for the 4 inch venting is six 6 in the intake and six 6 on the exhaust A 90 degree elbow is equal to five 5 equivalent feet of 4 inch pipe One 90 degree elbow is equaled to two 45 degree elbows Table 2 VENT LENGTH TABLE Number 4 PVC of 90 Maximum Elbows Feet of Pipe Maximum Meters of Pipe 19 7 ONE 1 65 55 50 45 40 16 7 15 2 m 13 6 m 12 1m 3 The unit
46. VOIDED THE HEATER SHALL BE LOCATED OR PROTECTED SOIT IS NOT SUBJECT TO PHYSICAL DAMAGE BY A MOVING VEHICLE DO NOT LOCATE THE HEATER WHERE NOISE FROM THE EXHAUST OR INTAKE WILL BE OBJECTIONABLE THIS INCLUDES LOCATIONS CLOSE TO OR ACROSS FROM WINDOWS AND DOORS AVOID ANCHORING THE VENT AND INTAKE PIPES DIRECTLY TO FRAMED WALLS FLOORS OF CEILINGS UNLESS RUBBER ISOLATION PIPE HANGERS ARE USED THIS PREVENTS ANY VIBRATIONS FROM BEING TRANSMITTED INTO THE LIVING SPACES A WARNING FLAMMABLE ITEMS PRESSURIZED CONTAINERS OR ANY OTHER POTENTIAL FIRE HAZARDOUS ARTICLES MUST NEVER BE PLACED ON ORADJACENT TO THE HEATER OPEN CONTAINERS OF FLAMMABLE MATERIAL SHOULD NOT BE STORED OR USED IN THE SAME ROOM WITH THE HEATER When installing the heater consideration must be given to proper location Location selected should be as close to the intake and exhaust termination points as practicable with adequate air supply and as centralized with the piping system as possible THE HEATER MUST NOT BE LOCATED IN AN AREA WHERE IT WILL BE SUBJECT TO FREEZING LOCATE IT NEAR A FLOOR DRAIN THE HEATER SHOULD BE LOCATED IN AN AREA WHERE LEAKAGE FROM THE HEATER OR CONNECTIONS WILL NOT RESULT IN DAMAGE TO THE ADJACENT AREA OR TO LOWER FLOORS OF THE STRUCTURE When such locations cannot be avoided it is recommended that a suitable drain pan adequately drained be installed under the appliance A WARNING THIS WATER HEATER IS A CONDENSING UNIT AND REQUI
47. XCEPTIONS 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 CSA 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 heater 3 when operated free of the damaging effects of uncontrolled water hammer 4 when filled with potable water free to circulate at all times 5 ina non corrosive and non contaminated atmosphere 6 with factory approved anode s installed 7 in the United States its territories or possessions and Canada 8 sized in accordance with proper sizing techniques for commercial and or residential water heaters 9 bearing a rating plate which has not been altered defaced or removed except as required by the warrantor 10 operated with properly installed dirt leg 11 fired with the fuel for which it was factory built 12 fired at the factory rated input b Any accident to the water heater any misuse abuse including freezing or alteration of it any operation of it in a modified form or any attempt to repair tank leaks will void this warranty
48. Y ROUTED TO FLOOR DRAIN HARD PIPED IF CONSTRICTION POSSIBLE SEE MANUAL FOR COMPLETE INSTALLATION INSTRUCTIONS amp DETAILS Horizontal Sidewall Venting Vertical Rooftop Venting esee INTAKE VENT TERMINAL EXHAUST VENT TERMINAL EXHAUST VENT INTAKE VENT TERMINAL TERMINAL FLASHING m AS FLASHING ABOVE AVERAGE EAE SNOWFALL SNOWFALL 4 4 24 61cm NOTE Intake Vent Terminal wall or Vertical Vent MINIMUM installations are required for Direct Vent units The temperature may be adjusted from 80 F 27 C to 180 F 82 C The thermostat was adjusted to 120 F 49 C before the heater was shipped from the factory It is recommended that lower water temperatures be used to avoid the risk of scalding It is further recommended in all cases that the water temperature be set for the lowest temperature which satisfies your hot water needs This will also provide the most energy efficient operation of the water heater and minimize scale formation WATER TEMPERATURE SETPOINT ADJUSTMENT PROCEDURE CAUTION THE TEMPERATURE OF THE WATER AT THE TANK OUTLET MAY NOT CORRESPOND TO THE TEMPERATURE SETPOINT PROGRAMMED IN THE CONTROLLER THE USER CAN EASILY CHANGE THE TEMPERATURE SETPOINT AT ANY TIME BY USING THE FOLLOWING PROCEDURE IN ALL CASES INPUT POWER MUST BE APPLIED TO THE CONTROLLER TO PERFORM ANY PROGRAMMING OPERATIONS The Operating
49. ame Detect Error A9 Back Help 8 Viewing Information About the Heater The electronic control for this water heater monitors many different aspects of the water to ensure safe and optimal operation Much of the information monitored is available to view in two areas of the control The first is the Heater Status and the second is Heater Information These items can be selected through the main menu in the same fashion as described above In these menus detailed information about the water heater and the current status of specific conditions can be found 24 PRIOR TO START UP REQUIRED ABILITY INSTALLATION OR SERVICE OF THIS WATER HEATER REQUIRES ABILITY EQUIVALENT TO THAT OFALICENSED TRADESMAN IN THE FIELD INVOLVED PLUMBING AIR SUPPLY VENTING GAS SUPPLY AND ELECTRICAL WORK ARE REQUIRED Before attempting start up thoroughly study and familiarize yourself with the exact sequence of operation and all other details on the specific heater being used The power burner is equipped with an ignition system which automatically sequences prepurge and ignition senses and ignites main burner flame and sequences burner operation Heater is equipped with an ignition control which locks out after three unsuccessful ignition attempts Familiarize yourself with the sequence of operation of this unit prior to start up Be certain that the water heater is full of water that air is purged from all lines there are no leaks gas and water
50. ater 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 closed system thermal expansion will cause the system pressure to build until the relief valve actuation pressure is equaled Then the relief valve will open allowing some water to escape slightly lowering the pressure Contact your water supplier or local plumbing inspector on how to control this situation Two common corrections are listed in the Checklist and Service Information which appears later in this manual ABOVEALL DO NOT PLUG THE TEMPERATURE AND PRESSURE RELIEF VALVE THIS IS NOTA SOLUTION AND CAN CREATE A HAZARDOUS SITUATION VENT SYSTEM Examine the vent system every 3 months Points of inspection are as follows 1 Check for obstructions and or deterioration of vent piping and vent hood Replace immediately where needed 2 Vent pipe and vent hood screen should be cleaned of foreign material and soot The screen is located inside the vent hood outlet and is accessible from the outside of the hood Do not reach inside the vent hood when the heater is in operation 3 Check all vent system connections for leakage and reseal as required using Hi Temp Silicone sealer or equivalent 29 INSTALLATION DIAGRAMS ONE TEMPERATURE ONE HEATER VERTICAL STORAGE TANK FORCED CIRCULATION WITH OR WITHOUT BUILDING RECIRCULATION D VACUUM RELIEF VALVE INSTALL PER
51. conventional frame brick or stone construction unconfined spaces may provide adequate air for combustion and ventilation If the unconfined space is within a building of tight construction buildings using the following construction weather stripping heavy insulation caulking vapor barrier etc air for combustion and ventilation must be obtained from outdoors The installation instructions for confined spaces in tightly constructed buildings must be followed to ensure adequate air supply CONFINED SPACE When drawing combustion air from inside a conventionally constructed building to a confined space such a space shall be provided with two permanent openings ONE IN OR WITHIN 12 INCHES 31 cm OF THE ENCLOSURE TOP AND ONE IN OR WITHIN 12 INCHES 31 cm OF THE ENCLOSURE BOTTOM Each opening shall have a free area of at least one square inch per 1000 Btuh 2 203mm 7 kW appliances in the enclosure but not less than 100 square inches 645 If the confined space is within a building of tight construction air for combustion and ventilation must be obtained from outdoors When directly communicating with the outdoors through vertical ducts two permanent openings located in the above manner shall be provided Each opening shall have a free area of not less than one square inch 4000 Btuh 551mm kW of the total input of all appliances in the enclosure If horizontal ducts are used each opening shall have a free area of no
52. cover plates as templates to mark the holes for the vent pipes to be inserted through the wall BEWARE OF CONCEALED WIRING AND PIPING INSIDE OF WALL Ifthe vent terminals are being installed on the outside of a finished wall it may be easier to mark both the inside and outside wall Align the holes by drilling a hole through the center of the template from the inside through to the outside The template can now be positioned on the outside wall using the drilled holes as a centering point for the template A MASONRY SIDE WALLS Chisel an opening approximately 1 2 1 3 cm larger than the marked circle B WOODEN SIDE WALLS Drill a pilot hole approximately one quarter inch outside of the marked circle This pilot hole is used as a starting point for a saws all or sabre saw blade Cut around the marked circle staying approximately one quarter inch outside of the line This will allow the vent pipe to easily slide through the opening The resulting gap will be covered by the vent terminal cover plates Repeat this step on the inside wall if necessary Cut a length of PVC pipe about 3 5 8 9 cm longer than the wall thickness at the opening Glue the intake vent terminal to the section of the pipe Slide the wall plate over the pipe to stop against intake vent terminal Place a bead of caulking not supplied around the gap between the pipe and the wall Place some of the caulking on the back of the plate to hold it against
53. d the venting system shall include 1 Detailed instructions for the installation of the venting system design or the venting system components and 2 Acomplete parts list for the venting system design or venting system MANUFACTURER REQUIREMENTS GAS EQUIPMENT VENTING SYSTEM NOT PROVIDED When the manufacturer of a Product Approved side wall horizontally vented gas fueled equipment does not provide the parts for venting the flue gases but identifies special venting systems the following requirements shall be satisfied by the manufacturer 1 The referenced special venting system instructions shall be included with the appliance or equipment installation instructions and 2 The special venting systems shall be Product Approved by the Board and the instructions for that system shall include a parts list and detailed installation instructions A copy of all installation instructions for all Product Approved side wall horizontally vented gas fueled equipment all venting instructions all parts lists for venting instructions and or all venting design instructions shall remain with the appliance or equipment at the completion of the installation VENTING A WARNING THE INSTRUCTIONS IN THIS SECTION ON VENTING MUST BE FOLLOWED TO AVOID CHOKED COMBUSTION OR RECIRCULATION OF FLUE GASES SUCH CONDITIONS CAUSE SOOTING OR RISKS OF FIRE AND ASPHYXIATION Heater must be protected from freezing downdrafts during shutd
54. ds H 1050 Btu ft BTUH For high altitude installations compare result to the derated input required for the elevation at the installation location Should it be necessary to adjust the gas pressure to the burner to obtain the full input rate the steps below should be followed 25 c Remove pressure regulator cover screw Figure 16 and adjust the pressure by turning the adjusting screw with a small screwdriver In this example with heater running on natural gas do not exceed 4 0 0 996 kPa Water Column CN Clockwise to increase gas pressure and input rate Counterclockwise to decrease gas pressure and input rate d Clock the meter as in step b above e Repeat steps c and d until the specified input rate is achieved Turn the manual gas valve to OFF Replace the pressure regulator cover screw Remove the pressure gauge or manometer from the manifold pressure tap Replace the set screw in the manifold pressure tap If the gas pressure regulator cannot be adjusted to give the full input rating with sufficient gas pressure at the valve check to ensure the unit is equipped with the correct orifice LIGHTING AND OPERATION INSTRUCTIONS 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 This appliance does not have a pilot It is equipped with an ignition device
55. e MANIFOLD CONNECTIONS 86 Wacom 3 X 35 CHECKLIST AND SERVICE INFORMATION IMPORTANT The installer may be able to observe and correct certain problems which might arise when the unit is put into operation or when it is re fired after a prolonged shutdown HOWEVER it is recommended that only qualified servicemen using appropriate test equipment be allowed to service the heater BE SURE TO TURN OFF THE ELECTRICITY WHENEVER POSSIBLE OR APPROPRIATE WHILE CHECKING EQUIPMENT FAILURE TO FOLLOW THESE INSTRUCTIONS CAN RESULT IN SERIOUS PERSONAL INJURY OR DEATH CAUTION LABEL ALL WIRES PRIOR TO DISCONNECTION WHEN SERVICING CONTROLS WIRING ERRORS CAN CAUSE IMPROPER AND DANGEROUS OPERATION VERIFY PROPER OPERATION AFTER SERVICING BURNER OPERATIONAL PROBLEMS 1 Referto TROUBLESHOOTING NOT ENOUGH OR NO HOT WATER Be certain the electrical disconnect switch serving the water heater is in the ON position 2 Check the fuses The electrical disconnect switch usually contains fuses 3 The capacity of the heater may have been exceeded by a large demand for hot water Large demands require a recovery period to restore water temperature Colder incoming water temperature will lengthen the time required to heat water to the desired temperature e If the heater was installed when incoming water temperature was warm colder water creates the effect of less hot water Look for h
56. e ON OFF Switch is a single pole single throw rocker switch This switch provides 120VAC from the line source to the heater CAUTION THE WATER HEATER IS POLARITY SENSITIVE BEFORE APPLYING ELECTRICITY TO THIS HEATER BE CERTAIN THAT SUPPLY NEUTRAL WIRE TO GROUND CHECK INDICATES ZERO VOLTAGE HOT SURFACE IGNITER The Hot Surface Igniter is a device that ignites the main burner by high temperature gt 1800 F or gt 982 When 120VAC is applied to the igniter sufficient heat is generated to ignite the main burner Although improvements have been made to strengthen the igniter it is fragile and care must be taken when handling the igniter to prevent breakage GAS PIPING Contact your local gas service company to ensure that adequate gas service is available and to review applicable installation codes for your area Size the main gas line in accordance with Table 3 The figures shown are for straight lengths of pipe at 0 5 in W C 125Pa pressure drop which is considered normal for low pressure systems Note that fittings such as elbows and tees will add to the pipe pressure drop CAUTION DO NOT USE FLEXIBLE GAS PIPING TABLE 3 MAXIMUM CAPACITY OF PIPE IN CUBIC FEET OF GAS PER HOUR Based upon a Pressure Drop of 0 5 inch Water Column and 0 6 Specific Gravity Gas and max gas pressure of 0 5 psig LENGTH NORMAL IRON PIPE SIZES INCHES INPUT IN THOUSANDS BTU HR IN FEET 11 4 11 2 2 212 10 1400 2100 3
57. eating cycles but does merit attention 2 Operating States In the main desktop screen there are some specific Operating States that are indicated on the status line These are summerized in the following table State Description The water heater is not in an active heating cycle Usually this means the temperature in the tank has reached a sufficient temperature and has not dropped low enough to initiate a call for heat The electronic controls are waiting for specific conditions to occur primarily pressure switch states before the unit can continue to heat water The electronic controls are waiting a defined period of time before initiating another call for heat just after the last one has ended This prevents the water heater from Short Cycling The blower has been energized and excess gas in the heater exchanger is being flushed to start a new heating cycle Standby Input Verification Short Cycle Delay Igniter Warm up 4 has been energized and is currently warming up to ensure proper from the heater exchanger before another attempt to light Post Purge 2 gas is being pushed out of the heater exchanger after a successful heating The water heater control has detected a fault No further heating of the water will be done 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 Tempe
58. ent Procedure 5 High Limit Swich E DL aet cunt endo 5 Dishwashing Machine Requirement sees eene 5 eT T m T 6 INSTALLATION INS TRUC TIONS 6 6 Blankets o OO m 6 Locating The 6 CS ANN MN REED 7 7 Air ISequlremiebls uuu aeuo ni nio Seit ratio ostia n 7 Mechanical Exhausting of Room 7 SD ACS Nt T 7 NEN OI MIU PEU te RR MM NN 7 Chemical Vapor GCoOITOSIOD e S y Installation Requirements for the Commonwealth of Massachusetts 8 6 11 Vent Pipe Termination uote ror Recta bae 11 V ONONO 2 11 Direct Vent Terminal Installation sees 11 12 Installation Sequence 12 Vertical Vent Terminal Installation 12 Installation SequeriCe ni rnt rrt 12
59. er the heating mode where it will continue heating the tank water until the setpoint temperature plus differential is reached At this point the gas valve is closed and the control enters the post purge cycle The combustion blower will run for the duration of the post purge cycle to purge the system of all combustion gases When the post purge cycle is complete the blower is de energized and will coast to a stop The control will now enter the idle state while continuing to monitor the internal tank water temperature and the state of other system devices If the temperature drops below the setpoint value less differential the control will automatically return to step 2 and repeat the entire operating cycle ELECTRONIC CONTROL Overview Interaction with the water heater controller is done through an up a down and three operation buttons These buttons are shown in the following illustration Operation of the three lower buttons is defined immediately above them on the screen The UP and DN buttons are used to navigate through the menus and make adjustments to the water heater While the water heater is operating the user interface will display the desktop screen if there are no active faults or warnings An example of this screen is shown in the following illustration The first temperature on this screen is the temperature of the water 20 inside the tank The second temperature on this screen is the Operating Set Point The
60. h the menu Tank Temperature Operating Set Point To get to the current fault information screen Status Heating press Menu B CX et Main Menu Heater Information Temperatures Heater Status Press the DOWN button to highlight Current Fault and press Select Back Help Blower Prover Open Fault occured 2 mins ago The blower prover switch remains open after the blower has been energized Press the DOWN button for more information Press DOWN for more Back Advanced 23 7 Viewing Fault History The controller for this water heater will store a history of ten of the last Fault and Warning conditions that occurred This is stored in the Fault History Along with all the information about the fault including a estimate time of when the fault occurred information regarding the advanced diagnostics for that fault can be accessed at any time Tank Temperature Operating Set Point To get the current fault information screen press Status Heating Menu ad 7 542 Main Menu Current Fault and press Select Heater Status Display Settings Press the DOWN button to highlight Fault History Heater Information Back Help Fault History Flame Detect Error A9 Press the DOWN key to scroll through the fault e history If you select a specific fault or warning you posi may press the VIEW button to view details Blocked Exhaust Vent A8 1hr 2mins ago regarding this fault Fl
61. he items including the complete model and serial number as it appears on the product Refer to the parts list for more information MODEL SUF 130 300 400 NEA PEA LIMITED WARRANTY State Water Heaters the warrantor extends the following LIMITED WARRANTY to the owner of this water heater 1 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 replacement tank less burner and controls or a complete new State water heater of equivalent size and current model at the warrantor s option 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 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 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 CONDITIONS AND E
62. if main manual gas valve is open Check for a loose connection at the transformer or a defective transformer Check for a loose connection at the gas valve Check for open pressure switches or open reset button Check for blockage in the intake and exhaust venting or at the vent hoods If no blockage is found check vinyl tubing for cuts or crimps If 37 this tubing is damaged it must be replaced If these steps do not eliminate the problem replace the pressure switches Check to see if there is resistance across the igniter terminal with an OHM meter If there is no continuity the igniter is broken and should be replaced If the igniter appears to function properly then verify that the inlet pressure is 11 0 Natural Gas 2 74 kPa The gas valve supplied on this appliance is not designed to open against a higher pressure At this time also check that the inlet pressure is not lower than the minimal gas supply pressure as shown in Table 4 that is for Natural Gas 5 2 1 29 kPa W C If the inlet pressure is not within these limits then adjust the supply pressure accordingly If the inlet pressure falls within the allowable limits then verify that the manifold pressure when the gas is fully open with the heater running is as called out in Table 4 that is for Natural Gas 4 0 0 996 kPa W C If the manifold pressure is not correct then adjust accordingly See ADJUSTMENT PROCEDURE in OPERATING INSTRUCTIONS select
63. insulation blanket is to reduce the standby heat loss encountered with storage tank water heaters Your water heater meets or exceeds the ASHRAE IES 90 1 1999 standards with respect to insulation and standby loss requirements making an insulation blanket unnecessary WARNING Should you choose to apply an insulation blanket to this heater you should follow these instructions Failure to follow these instructions can result in fire asphyxiation serious personal injury or death Donotapply insulation to the top or the upper 15 38 cm of the water heater as this will interfere with safe operation Do cover the temperature amp pressure relief valve e Do not cover the instruction manual Keep it on the side of the water heater or nearby for future reference e Do obtain new labels for placement on the blanket directly over the existing labels LOCATING THE HEATER WARNING THERE 15 A RISK IN USING FUEL BURNING APPLIANCES SUCH 5 GAS WATER HEATERS IN ROOMS GARAGES OTHER AREAS WHERE GASOLINE OTHER FLAMMABLE LIQUIDS OR ENGINE DRIVEN EQUIPMENT OR VEHICLES ARE STORED OPERATED OR REPAIRED FLAMMABLE VAPORS ARE HEAVY AND TRAVEL ALONG THE FLOOR AND MAY BE IGNITED BY THE HEATER S IGNITER OR MAIN BURNER FLAMES CAUSING FIRE OR EXPLOSION SOME LOCAL CODES PERMIT OPERATION OF GAS APPLIANCES IF INSTALLED 18 INCHES 46 cm OR MORE ABOVE THE FLOOR THIS MAY REDUCE THE RISK IF LOCATION INSUCH AN AREA CANNOT BE A
64. ion page 19 for the manifold pressure adjustment procedure If the inlet and manifold pressures are within the limits specified in step 5 then reset the appliance Verify 24V AC at the gas valve during the three 3 second ignition trial after the igniter reaches operating temperature If 24V AC at the gas valve is not seen during this period the controller must be replaced If there is 24V AC at the gas valve during the four second ignition trial and the manifold pressure does not increase above 0 W C then verify that the manual gas control valve is in the ON position see page 20 If the valve is in the ON position and the previous voltage and gas pressure conditions are met then the gas valve is defective and must be replaced MOTOR RUNS BURNER LIGHTS MOMENTARILY THEN LOCKS OUT 1 Reset the appliance two more times to ensure that all of the air has been purged from the gas line If the burner lights momentarily but does not sustain ignition verify that the inlet pressure is not greater than 11 0 2 74 kPa W C or lower than the minimal gas supply pressure as shown in Table 4 that is for Natural Gas 5 2 1 29 kPa W C pressure Also the manifold pressure should rise during the three 3 second trial for ignition to the manifold pressure value for the individual unit listed in Table 4 that is for Natural Gas 4 0 0 996 kPa W C If the manifold pressure is not correct then adjust accordingly See ADJUSTMEN
65. is certified to a minimum amount of 4 inch pipe for the exhaust venting arrangement of 15 equivalent feet This is the minimum amount of pipe required for the exhaust venting arrangement The intake venting arrangement is certified to use a minimum of O equivalent feet of 4 inch PVC pipe IMPORTANT When multiple units are direct vented through a wall 4 inch venting all intake vent terminals should be no lower than the highest exhaust vent terminal NOTE This unit can be vented using only PVC Class 160 ASTM D 2241 Schedule 40 ASTM D 1785 or Cellular Core Schedule 40 DWV ASTM F 891 Schedule 40 CPVC ASTM F 411 or ABS ASTM D 2661 pipe The fittings other than the TERMINATIONS should be equivalent to PVC DWV fittings meeting ASTM D 2665 Use CPVC fittings ASTM F 438 for CPVC pipe and ABS fittings ASTM D 2661 3311 for ABS pipe If CPVC or ABS pipe and fittings are used then the proper cement must be used for all joints including joining the pipe to the Termination PVC Material PVC Materials should use ASTM D 2564 Grade Cement CPVC Materials should use ASTM F 493 Grade Cement and ABS Materials should use ASTM D 2235 Grade Cement NOTE for Water Heaters in locations with high ambient temperatures above 100 F or 38 C and or insufficient dilution air it is recommended that CPVC or ABS pipe and fittings MUST USE SUPPLIED VENT TERMINAL be used 5 It is important that condensate not be allowed to buildup in the exhaus
66. is the most common cause of relief valve leakage It is often caused by a closed system If a check valve is in the inlet system it will not permit the expanded hot water volume to equalize pressure with the main The relief valve must release this water or the water heater or plumbing system will be damaged Refer to MAINTENANCE RELIEF VALVE section in this manual When such a condition is encountered local codes or inspection agency should be consulted to determine which system is acceptable in your area See CLOSED SYSTEM section in this manual TROUBLESHOOTING Verify that the allowable vent length has not been exceeded and that the blower inlet screen has been removed if direct venting 2 Verify the gas supply volume and pressure per table 3 and 4 3 Verify that the condensation which WILL be present in the heater and exhaust vent will drain 4 Check supply wire polarity hot to hot and neutral to neutral and no stray current in neutral 5 Heater is properly grounded Checking these four 4 items first will often result in a timely solution to the service call WARNING JUMPING OUT COMPONENTS AND OR CIRCUITS DURING TROUBLESHOOTING CAN CAUSE SERIOUS PROBLEMS WITH THE UNIT S OPERATING SEQUENCE AND IGNITION SAFETY IF YOU DO NOT HAVE THE PROPER TEST EQUIPMENT I E A VOLT OHM METERAND AMICROMETER DO NOTATTEMPT TO TROUBLESHOOT OR REPAIR STATE EQUIPMENT ALTERING THE CONTROLLER AND OR CONTROLLER WIRING IN ANY W
67. k or paved driveway that is located between two single family dwellings and serves both dwellings CAUTION TO PREVENT EXHAUSTING PRODUCTS FROM CIRCULATING TO THE AIR INTAKE IN WINDY COLD AREAS THE MAXIMUM PRACTICAL DISTANCE BETWEEN THESE TWO TERMINALS IS RECOMMENDED CANADIAN DIRECT VENT Mininum 12 in 30 cm for appliances with ni 10 000 btuh 3 Kw to 100 000 btuh 30 Kw input and 36 in 90 for an appliance greater than 100 000 btuh 30 Kw to a window or door that may be opened Minimum 3 ft 91 cm within a height of 15 ft 4 6 m above 30 em meter regulator assembly above grade or expected snow fall Minimum 3 ft 1 83 m clearance to service regulator vent outlet 12 in 30 cm 1 from soffit 2 Minimum NY Minimum 12 in 30 cm 4 5 ft Len SNC under veranda porch rom outside deck or balcony Minimum corner SS see footnote 1 7 ft 2 3 m lt NN above SS Minimum public sidewalk NN 6 ft 1 83 m or paved D NS toa driveway QW SN 1 11 e mechanical air see footnote 2 supply inlet SN NS x Minimum 12 in 30 cm for appliances with 10 000 btuh 3 Kw hom t oo to 100 000 btuh 30 Kw input and 36 in 90 cm for appliances greater Bolus insani than 100 000 btuh 30 Kw to a non mechanical air supply inlet y into building or combustion air inlet to another appliance closed window or door VENT TERMINAL 00 AIR SUPPLY INLET
68. m under the warranty should be initiated with the dealer who sold the boiler or with any other dealer handling the warrantor s products If this is not practicable the owner should contact U S Customers Canadian Customers A O Smith Corporation A O Smith Enterprises Ltd 500 Tennessee Waltz Parkway P O Box 310 768 Erie Street Ashland City TN 37015 Stratford Ontario 6T3 Telephone 1 800 323 2636 Telephone 1 800 265 8520 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 DISCLAIMERS NO OTHER EXPRESS WARRANTY HAS BEEN OR WILL BE MADE IN BEHALF OF THE WARRANTOR WITH RESPECT TO THE MERCHANTABILITY OF THE HEATER OR THE INSTALLATION OPERATION REPAIR OR REPLACEMENT OF THE BOILER THE WARRANTOR SHALL NOT BE RESPONSIBLE FOR WATER DAMAGE LOSS OF USE OF THE UNIT INCONVENIENCE LOSS OR DAMAGE TO PERSONAL PROPERTY OR OTHER CONSEQUENTIAL DAMAGE THE WARRANTOR SHALL NOT BE LIABLE BY VIRTUE OF THIS WARRANTY OR OTHERWISE FOR DAMAGE TO ANY PERSONS OR PROPERT Y WHETHER DIRECT OR INDIRECT AND WHETHER ARISING IN CONTRACT OR TORT a Some states do not allow the exclusion or limitation of the 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 ha
69. mell gas STOP Follow in the safety information above on this label If you don t smell gas go on to the next step Turn gas control knob counterclockwise to Turn on all electric power to the appliance Set thermostat to desired setting If the appliance will not operate follow the instructions Turn Off Gas To Appliance and call your service technician or gas supplier GAS CONTROL FOR YOUR SAFETY READ BEFORE OPERATING Set the thermostat to lowest setting Turn off all electric power to appliance if service is to be performed Push in gas control knob slightly and turn clockwise f to OFF Do not force 26 UNDER NO CIRCUMSTANCES SHOULD THE INPUT THE RATE SHOWN ON THE HEATER RATING PLATE OVERFIRING COULD RESULT IN DAMAGE OR SOOTING OF THE HEATER CATHODIC PROTECTION CAUTION HYDROGEN GAS CAN BE PRODUCED IN A HOT WATER SYSTEM SERVED BY THIS HEATER THAT HAS NOT BEEN USED FOR A LONG PERIOD OF TIME GENERALLY TWO WEEKS OR MORE HYDROGEN GAS IS EXTREMELY FLAMMABLE To reduce the risk of injury under these conditions itis recommended that a hot water faucet be opened for several minutes 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 faucet at
70. nce for the materials and methods of piping necessary It is highly essential that all water gas piping and wiring be installed as shown on the diagrams Particular attention should be given to the installation of thermometers at the locations indicated on the diagrams as these are necessary for checking the proper functioning of the heater In addition to these instructions the equipment shall be installed in accordance with those installation regulations in force in the local area where the installation is to be made These shall be carefully followed in all cases Authorities having jurisdiction should be consulted before installations are made In the absence of local codes the installation must comply with the current editions of the National Fuel Gas Code ANSI Z223 1 NFPA 54 and the National Electrical Code NFPA 70 or CAN CSA B149 1 the 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 44131 NFPA documents are also available from the National Fire Protection Association 1 Batterymarch Park Quincy MA 02269 TABLE OF CONTENTS ROUGA IN DIMENSION ais uio etai n eaa EAEE ni OEE 2 pe icm 2 FEATURE 3 Water Temperature 3 5 Water Temperature Setpoint Adjustm
71. opane Installation Code CAN CSA B 149 1 Do not terminate the exhaust vent terminal over public area where condensate or vapor can cause nuisance or hazard Plan the vent system layout so that proper clearances are maintained from plumbing and wiring Vent pipes serving power vented appliances are classified by building codes as vent connectors Required clearances from combustible materials must be provided in accordance with information in this manual under LOCATION OF HEATER and CLEARANCES and with National Fuel Gas Code and local Codes IMPORTANT Plan the layout of the vent system backwards from the vent termination to the appliance USE ONLY THE VENT TERMINALS SUPPLIED WITH THIS UNIT TERMINATION OF A VENT SYSTEM WITH ADEVICE OTHER THAN THE SUPPLIED VENT TERMINATIONS WILL AFFECT SYSTEM PERFORMANCE AND RESULT IN A SAFETY HAZARD DIRECT VENTING The air intake provided on the unit contains an intake guard see Figure 7 3 x 4 PVC REDUCER WITH INTAKE SCREEN BALANCE PLATE FIGURE 7 11 WARNING WHEN THE UNIT IS TO BE SETUP AS A DIRECT VENT THE INTAKE GUARD AND THE BALANCE PLATE MUST BE REMOVED THE INLET VENT PIPE MAY THEN BE GLUED TO THE AIR INTAKE see Figure 8 PROVIDED ON THE UNIT REMOVE THE INTAKE SCREEN AND BALANCE PLATE WHEN DIRECT VENT PIPE IS ADDED FIGURE 8 DIRECT VENT TERMINAL INSTALLATION IMPORTANT 4 VENT AND INTAKE TERMINALS ARE PROVIDED FOR NEW INSTALLATION
72. oper operation of the unit All switches are wired in series The controller is set up to shut the unit down whenever there is a failure of any of the switches It is important to understand the purpose of each switch BLOWER PROVER SWITCH The Blower Prover Switch is provided on the heater to verify that the fan is operating It is a positive pressure switch whose electrical 14 contacts are normally open When the fan increases the pressure in the burner the pressure switch will allow the electrical contacts to close The pressure switch is connected to the burner tap by a piece of tygon tubing This tubing must be connected in order for the switch to change the electrical contacts The controller requires that the electrical contacts on this air flow switch be open before it will allow the blower to come on See Figure 13 BLOCKED OUTLET PROVER SWITCH The Blocked Outlet Prover Switch is set up to shut the unit off when a build up of positive pressure in the exhaust vent pipe occurs This switch is a positive pressure switch that requires an increase in pressure to change the electrical contacts from normally closed to open When this switch prevents the unit from igniting most likely the exhaust is blocked by some means Check to see if the condensate is allowed to flow freely from the exhaust elbow and for obstructions in the exhaust venting and exhaust vent terminal See Figure 13 BLOCKED INLET PROVER SWITCH The Blocked Inlet Pr
73. ot water wastage and leaking or open hot water faucets Sediment or lime scale may be affecting water heater operation Refer to MAINTENANCE for details 7 Theheater s temperature high limit sensor has activated Press the reset button on the thermostat 8 Burner may not be firing at proper rate Check gas pressure Adjust to obtain required manifold pressure 9 Burner fan wheel may be dirty Clean fan wheel with a stiff brush 36 10 Condensate hose may be blocked where it connects to the exhaust elbow Verify the condensate drains from the unit without restriction WATER IS TOO HOT Refer to WATER TEMPERATURE CONTROL WATER HEATER MAKES SOUNDS Sediment or lime scale accumulations cause rumbling and pounding noises when the heater is operating he sounds are normal however the tank bottom should be cleaned Refer to MAINTENANCE for details Some of the electrical components of the water heater make sounds which are normal Contacts click or snap as the heater starts and stops Transformers often hum WATER LEAKAGE IS SUSPECTED Check to see if the water heater drain valve is tightly closed Also check the cleanout opening for leakage The apparent leakage may be condensation which forms on cool surfaces of the heater and piping If the outlet of the relief valve is leaking it may represent Excessive water pressure Excessive water temperature Faulty relief valve Excessive water pressure
74. over Switch is set up to shut the unit off when a build up of negative pressure in the intake vent pipe occurs This switch is a negative pressure switch that requires an increase in negative pressure to change the electrical contacts from normally closed to open The switch is connected to the pressure tap on the flange connected to the inlet of the blower When this switch prevents the unit from igniting most likely the intake is blocked by some means Check to see if there is no more than seventy 70 equivalent feet 24 8m of four inch PVC vent pipe on the intake Also verify that the intake and intake vent terminal is free of obstructions that may prevent air from entering the unit See Figure 13 LOW GAS PRESSURE SWITCH The Low Gas Switch LGS is a single pole normally open pressure switch that will close its contacts when a rising pressure of 4 6 in W C 1 25 Kpa is encountered The contacts will open when the pressure falls below the fixed set point of 4 6 in W C 1 25 Kpa The LGS monitors the gas supply pressure to the heater If the gas supply falls below 4 6 in W C 1 25 Kpa the main burner is extinguished if heater is running or the heater will not start up NOTE LOW GAS SWITCH IS LOCATED ON INLET SIDE OF GAS VALVE See Figure 13 LOW GAS PRESSURE SWITCH BLOCKED INLET SWITCH BLOWER PROVER SWITCH BLOCKED OUTLET SWITCH VFD CONTROL NOT USED MODULE ON SUF 130 300 FIGURE 13 ON OFF SWITCH Th
75. own periods US DIRECT VENT Mininum 9 in 23 cm for appliances with E 10 000 btuh 3 Kw to 50 000 btuh 15 Kw inputs and 12 in 30 cm for appliances greater than 50 000 btuh 15 Kw to a window or door that may be opened Minimum 3 ft 91 cm within a height of 15 ft 4 6 m above 12 in 30 meter regulator assembly above grade or expected snow fall Minimum 3 ft 1 83 m clearance to service regulator vent outlet 12 in 30 cm 1 from soffit Minimum SS Minimum 12 in 30 cm ft SN under veranda porch rom outside deck or balcony Minimum SS see footnote 1 7 ft 2 3 m N above Minimum public sidewalk NN 3 ft 91 or paved NS above if within driveway PY N 9 10 ft 3 m see footnote 2 horizontally to ee lt a mechanical air CON supply inlet lini inimum 9 in cm for appliances wi 2 u PEU M 9 in 23 cm f th 10 000 btuh 3 Kw E to 50 000 btuh 15 Kw inputs and 12 in 30 cm for appliances greater Bolo otii than 50 000 btuh 15 Kw to a non mechanical air supply inlet y into building or combustion air inlet to another appliance closed window or door VENT TERMINAL 00 AIR SUPPLY INLET AREA WHERE TERMINAL IS NOT PERMITTED 1 Permitted only if veranda porch deck or balcony is fully opened on a minimum of two sides beneath the floor 2 vent shall not terminate above a sidewal
76. r domestic water purposes a tempering valve must be installed Please refer to installation diagrams on pages 23 through 28 in back of manual for suggested piping arrangements HEATER WIRING IF ANY OF THE ORIGINAL WIRE AS SUPPLIED WITH THE APPLIANCE MUST BE REPLACED IT MUST BE REPLACED WITH 105 C OR ITS EQUIVALENT EXCEPT IN THE BURNER HOUSING IN THIS CASE USE 200 C WIRE THE COMPUTER CONTROL REQUIRES A SOURCE OF 17 STABLE CLEAN ELECTRICITY FOR PROPER OPERATION INSTALLING THE HEATER ON A BRANCH CIRCUIT THAT HAS ELECTRONIC NOISE 15 SUBJECT TO FLUCTUATIONS IN VOLTAGE LEVEL OR HAS AN APPLIANCE WHICH GENERATES EMF OF RFI INTERFERENCE CAN CAUSE THE CONTROLLER TO MALFUNCTION A HIGH QUALITY POWER CONDITIONER MUST BE INSTALLED IF THE ABOVE CONDITIONS EXIST MALFUNCTIONS CAUSED BY A POOR ELECTRICAL SUPPLY ARE NOT COVERED UNDER YOUR WARRANTY The controller is wired to the heater as shown in figures 15 amp 16 The model and rating plate provides the electrical information needed to size the complete heater branch supply All electrical work must be installed in accordance with the National Electrical Code NFPA 70 or the Canadian Electrical Code CSA C22 1 and local requirements When installed the appliance must be electrically grounded in accordance with local codes or in the absence of local codes with the National Electrical Code ANSI NFPA 70 or the Canadian Electrical Code CSA C22 1 DO NOT ENERGIZE THE BRANCH CIRCUIT BE
77. rature menu Items in this menu allow you to monitor different temperature readings in the tank along with adjusting the Operating Set Point and Differential State Ultra Force SUF 130 400 103 F 120 F Tank Temperature Operating Set Point Status Heating T MENT From the desktop screen press Menu Main Menu Temperatures Heater Status Display Settings From the Main Menu Press Select to enter the Temperatures screen Press Change then use the 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 Press Update to accept the change or Cancel to reject it Note When Change is selected on the previous screen the menu on the bottom of the screen changes 21 Heater Information Current Fault none Back Temperatures Operating Set Point Differential Tank Temperature Upper Temperature Lower Temperature Heater Regulated to Tank Back Temperatures Differential 5 Tank Temperature Upper Temperature Lower Temperature Heater Regulated to Tank Update Cancel 4 Changing the Display Units The display interface to the heater has the option of selecting between degrees and Fahrenheit and degrees Celsius for temperature displays This can be found in the Display Settings menu
78. stic identification plate shall be permanently mounted to the exterior of the building at a minimum height of eight 8 feet above grade directly in line with the exhaust vent terminal for the horizontally 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 state or local gas inspector of the side wall horizontally vented gas fueled equipment shall not approve the installation unless upon inspection the inspector observes carbon monoxide detectors and signage installed in accordance with the provisions of 248 CMR 5 08 2 a 1 through 4 EXEMPTIONS The following equipment is exempt from 248 CMR 5 08 2 a 1 through 4 1 The equipment listed in Chapter 10 entitled Equipment Not Required To Be Vented in the most current edition of NFPA 54 as adopted by the Board and 2 Product Approved side wall horizontally vented gas fueled equipment installed in a room or structure separate from the dwelling building or structure used in whole or in part for residential purposes MANUFACTURER REQUIREMENTS GAS EQUIPMENT VENTING SYSTEM PROVIDED When the manufacturer of Product Approved side wall horizontally vented gas equipment provides a venting system design or venting system components with the equipment the instructions provided by the manufacturer for installation of the equipment an
79. t pipe joints including flanges pilot gas tubing connections and control inlet and outlet with rich soap and water solution Bubbles indicate gas leak To stop leak tighten flange screws joints and pipe connections Replace part if leak can t be stopped 15 To prevent damage care must be taken not to apply too much torque when attaching gas supply pipe to gas valve inlet Apply joint compounds pipe dope sparingly and only to the male threads of pipe joints Do not apply compound to the first two threads Use compounds resistant to the action of liquefied petroleum gases DISCONNECT THE APPLIANCE AND ITS MANUAL GAS SHUTOFF VALVE FROM THE GAS SUPPLY PIPING SYSTEM DURING ANY SUPPLY PRESSURE TESTING EXCEEDING 1 2 PSIG 3 45Kpa GAS SUPPLY LINE MUST BE CAPPED WHEN DISCONNECTED FROM THE HEATER FOR TEST PRESSURES OF 1 2 PSIG 3 45Kpa OR LESS THE APPLIANCE NEED NOT BE DISCONNECTED BUT MUST BE ISOLATED FROM THE SUPPLY PRESSURE TEST BY CLOSING THE MANUAL GAS SHUTOFF VALVE BEFORE PLACING THE HEATER IN OPERATION CHECK FOR GAS LEAKAGE USE SOAP AND WATER SOLUTION OR OTHER MATERIAL ACCEPTABLE FOR THE PURPOSE OF LOCATING GAS LEAKS DO NOT USE MATCHES CANDLES FLAME OR OTHER SOURCES OF IGNITION FOR THIS PURPOSE PURGING Gas line purging is required with new piping or systems in which air has entered CAUTION PURGING SHOULD BE PERFORMED BY PERSONS EXPERIENCED IN THIS TYPE OF GAS SERVICE TO AVOID RISK OF FIRE OR EXPLOSION P
80. t less than one square inch per 2000 Btuh 1 102mm 7 kW of the total input of all appliances the enclosure CHEMICAL VAPOR CORROSION WARNING CORROSION OF THE FLUE WAYS AND VENT SYSTEM MAY OCCUR IF AIR FOR COMBUSTION CONTAINS CERTAIN CHEMICAL VAPORS SUCH CORROSION MAY RESULT IN FAILURE AND RISK OF ASPHYXIATION Spray can propellants cleaning solvents refrigerator and air conditioning refrigerants swimming pool chemicals calcium and sodium chloride waxes and process chemicals are typical compounds which are potentially corrosive PRODUCTS OF THIS SORT SHOULD NOT BE STORED NEAR THE HEATER ALSO AIR WHICH IS BROUGHT IN CONTACT WITH THE HEATER SHOULD NOT CONTAIN ANY OF THESE CHEMICALS IF NECESSARY UNCONTAMINATED AIR SHOULD BE OBTAINED FROM REMOTE OR OUTSIDE SOURCES INSTALLATION REQUIREMENTS FOR THE COMMONWEALTH OF MASSACHUSETTS For all side wall terminated horizontally vented power vent direct vent and power direct vent gas fueled water heaters installed in every dwelling building or structure used in whole or in part for residential purposes including those owned or operated by the Commonwealth and where the side wall exhaust vent termination is less than seven 7 feet above finished grade in the area of the venting including but not limited to decks and porches the following requirements shall be satisfied INSTALLATION OF CARBON MONOXIDE DETECTORS At the time of installation of the side wall horizontal ven
81. t vent pipe To prevent this from happening the pipe should be installed with a slight 1 8 inch 3mm per 5 feet 152 cm of pipe maximum downward slope 6 The vent system should be supported every 5 feet 152 cm of vertical run and every 3 feet 91cm of horizontal run of vent pipe length NOTE Stress levels in the pipe and fittings can be significantly increased by improper installation If rigid pipe clamps are used to hold the pipe in place or if the pipe cannot move freely through a wall penetration the pipe may be directly stressed or high thermal stresses may be formed when the pipe heats up and expands Install accordingly to minimize such stresses INLET VIEW 4 ELBOW OUTLET VIEW FIGURE 12 13 VENT PIPE PREPARATION 1 INITIAL PREPARATION A Make sure the solvent cement you are planning to use is designed for the specific application you are attempting Know the physical and chemical characteristics and limitations of the PVC PVC cellular core ABS or CPVC piping materials that you are about to use Know the reputation of your pipe and cement manufacturer and their products Know your own qualifications or those of your contractor The solvent welding technique of joining PVC PVC cellular core ABS or CPVC pipe is a specialized skill just as any other pipe fitting technique Closely supervise the installation and inspect the finished job before start up Contact the manufacturer supplier or
82. ted gas fueled equipment the installing plumber or gasfitter shall observe that a hard wired carbon monoxide detector with an alarm and battery back up is installed on the floor level where the gas equipment is to be installed In addition the installing plumber or gasfitter shall observe that a battery operated or hard wired carbon monoxide detector with an alarm is installed on each additional level of the dwelling building or structure served by the sidewall horizontal vented gas fueled equipment It shall be the responsibility of the property owner to secure the services of qualified licensed professionals for the installation of hard wired carbon monoxide detectors In the event that the side wall horizontally vented gas fueled equipment is installed in a crawl space or an attic the hard wired carbon monoxide detector with alarm and battery back up may be installed on the next adjacent floor level In the event that the requirements of this subdivision can not be met at the time of completion of installation the owner shall have a period of thirty 30 days to comply with the above requirements provided that during said thirty 30 day period a battery operated carbon monoxide detector with an alarm shall be installed APPROVED CARBON MONOXIDE DETECTORS Each carbon monoxide detector as required in accordance with the above provisions shall comply with NFPA 720 and be ANSI UL 2034 listed and CSA certified SIGNAGE A metal or pla
83. the time it is open PRECAUTIONS IF THE UNIT IS EXPOSED TO OR EXHIBITS THE FOLLOWING DO NOT OPERATE HEATER UNTIL ALL CORRECTIVE STEPS HAVE BEEN MADE BY A QUALIFIED SERVICEMAN 1 FLOODING TO OR ABOVE THE LEVEL OF THE BURNER OR CONTROLS 2 EXTERNAL DAMAGE 3 FIRING WITHOUT WATER 4 SOOTING NEVER OPERATE THE HEATER WITHOUT FIRST BEING CERTAIN IT IS FILLED WITH WATER AND A TEMPERATURE AND PRESSURE RELIEF VALVE IS INSTALLED IN THE RELIEF VALVE OPENING OF THE HEATER SHOULD OVERHEATING OCCUR OR THE GAS SUPPLY FAIL TO SHUT OFF TURN OFF THE MANUAL GAS CONTROL VALVE TO THE APPLIANCE GENERAL INFORMATION POWER BURNER The initial start up procedure of the unit is provided on page 19 The sequence of operation of the unit is provided on page 16 It is important to note that the controller has a reset button on the control box Figure 1 The reset button is a safety device and would not normally be used HIGH LIMIT The high limit not adjustable is factory set to cutout at 202 F 94 C The controller will not be reset until water temperature drops to below 140 F 60 C TABLE 4 GAS SUPPLY SPECIFICATIONS Nat Gas Minimum Gas Supply Pressure kPa Manifold Gas Supply Pressure W C Manifold Gas Supply Pressure kPa Minimum pressure for purposes of rate adjustment Minimum Gas Supply Pressure W C HIGH ALTITUDE INSTALLATIONS SUF HEATERS ARE CERTIFIED FOR USE WITHOUT MODIFICATION FOR ALT
84. the wall after installation If the vent pipe is installed up to the wall with a coupling on the end against the wall opening the pipe with the vent terminal can be prepared for gluing before inserting through the wall 12 Slide the pipe through the wall and insert into coupling on the other side of the wall making sure that the vent terminal ends up pointed in the correct position See Figure 10 METAL PLATES MORTAR OR SILICONE CAULK 4 PVC VENT TERMINAL WITH MESH PROTECTIVE SCREEN INSIDE EXHAUST VENT TERMINAL FROM HEATER OUTSIDE BUILDING EXHAUST VENT TERMINAL METAL PLATES MORTAR OR SILICONE CAULK 4 PVC VENT TERMINAL WITH DOME SHAPE SCREEN WATER HEATER OUTSIDE BUILDING INTAKE VENT TERMINAL FIGURE 10 VERTICAL VENT TERMINAL INSTALLATION IMPORTANT WHEN TERMINATING THROUGH A ROOF THE FOLLOWING SPECIFICATIONS PERTAINING TO TERMINAL LOCATION MUST BE FOLLOWED 1 Proper support must be provided for all pipe protruding through the roof The vertical roof terminations should be sealed with a plumbing roof boot or equivalent flashing The intake vent termination and the exhaust vent termination must penetrate the same side of roof The center line of the intake vent termination and the center line of the exhaust vent termination must be no closer than 24 61cm The intake vent terminal and the exhaust vent terminal must be oriented facing downward and
85. tion Foundation also recommends circulation of 180 F 82 C water Where this is done circulation should be very gentle so that it does not cause any unnecessary turbulence inside the water heater The circulation should be just enough to provide 180 F 82 water at the point of take off to the dishwashing machine Adjust flow by means of the plug cock in the circulating line See installation diagrams CIRCULATING PUMP A circulating pump is used when a system requires a circulating loop or there is a storage tank used in conjunction with the heater Refer to the piping diagrams at rear of manual for electrical hookup information and install in accordance with the current edition of the National Electrical Code NFPA 70 or the Canadian Electrical Code CSA C22 1 All bronze circulators are recommended for used with commercial water heaters Although circulators are oiled and operated by the manufacturer some circulators must be oiled again before operated Please refer to manufacturer s instructions INSTALLATION INSTRUCTIONS REQUIRED ABILITY INSTALLATION OR SERVICE OF THIS WATER HEATER REQUIRES ABILITY EQUIVALENT TO THAT OF A LICENSED TRADESMAN IN THE FIELD INVOLVED PLUMBING AIR SUPPLY VENTING GAS SUPPLY AND ELECTRICAL WORK ARE REQUIRED INSULATION BLANKETS Insulation blankets available to the general public for external use on gas water heaters are not approved for use on your water heater The purpose of an
86. ustion chamber and the burner sleeve and housing can become very hot after operation Overfiring is a dangerous condition that must be corrected immediately 38 NOISY BURNER OPERATION The exhaust of this unit produces some noise during ignition period When combustion is too lean or too rich start up noise will get worse Check for flue gas CO reading adjust gas valve manifold pressure if required to bring the flue gas CO to 9 9 5 level for natural gas 10 75 11 25 for LP This noise may be objectionable if the exhaust terminal is located too close to the opening of an occupied space The noise may also be objectionable if the exhaust is located in the confined space between two buildings such as an alley or walkway Since everyone s perception and tolerance for background noise varies there is no standard recommendation The best option when the noise is a concern is to fine tune the air gas ratio of the combustion system or locate the exhaust as far away from any occupied spaces as practical GAS FAILS TO SHUT OFF Check for defective gas valve or thermostat If operation is incorrect replace REPLACEMENT PARTS Replacement parts may be ordered through State dealers authorized servicers or distributors Refer to the Yellow Pages for where to call or contact State Water Heaters 500 Tennessee Waltz Parkway Ashland City TN 37015 1 800 821 2017 When ordering parts be sure to state the quantity part number and description of t
87. uthority HOT WATER TEMPERED WATER OUTLET VALVE T MIXING VALVE FIGURE 2 HIGH LIMIT SWITCH E C O The top immersion well of the dual bulb controller also contains the high limit energy cutoff sensor The high limit switch interrupts the main burner gas flow should the water temperature reach approximately 202 F 94 C Should the high limit switch activate the water temperature must drop below 140 F 60 C before the controller can be reset The following is a possible reason for high limit switch operation e malfunction in the thermostatic controls would allow the gas valve to remain open causing water temperature to exceed the thermostat setting The water temperature would continue to rise until high limit switch operation Contact your dealer or servicer if continued high limit switch operation occurs DISHWASHING MACHINE REQUIREMENT dishwashing machines meeting the National Sanitation Foundation requirements are designed to operate with water flow pressures between 15 and 25 pounds per square inch 103 Kpa and 173 Kpa Flow 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 regulating control valve should be used in 180 F 82 C line to the dishwashing machine and should be adjusted to deliver water between these limits The National Sanita
88. ve 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 POSTED ADJACENT TO THE HEATER FOR FUTURE REFERENCE 39 WATER HEATERS 500 TENNESSEE WALTZ PARKWAY ASHLAND CITY TN 37015 Phone 800 365 0024 Fax 800 644 9306 www statewaterheaters com
89. which automatically lights the burner Do not try to light the burner by hand BEFORE OPERATING 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 WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electric switch do not use any telephone in your building Immediately call your gas supplier from a neighbor s telephone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department Use only your hand to push in or turn the gas control knob Never use tools If the knob will not push in or turn by hand don t try to repair it call a qualified service technician Force or attempted repair may result in fire or explosion 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 any part of the control system and any gas control which has been under water OPERATING INSTRUCTIONS Read safety information above on this la el Set thermostat to lowest setting Turn off all electric power to the appliance This appliance is equipped with an ignition device which automatically lights the burner Do not try to light the burner by hand Push in gas control knob slightly and turn clockwise CN to OFF Wait five 5 minutes to clear out any gas If you then s

State Industries SUF-130-300 User's Manual

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