State Water Heaters STC-077 - Manuals

S U F S E R V I C E H A N D B O O K I N S T A L L A T I O N Technical Training Department State Water Heaters STC-077 4 Ashland City, Tennessee © 2004 VENTING Equivalent Feet of Pipe Intake or Exhaust 4-inch PVC may be used for a MAXIMUM intake of ONE HUNDRED TWENTY (120) EQUIVALENT FEET and a MAXIM...

S U F S E R V I C E H A N D B O O K I N S T A L L A T I O N Technical Training Department State Water Heaters STC-077 6 Ashland City, Tennessee © 2004 CONCENTRIC VENT TERMINATION The concentric vent termination kit, Part No. 9003910005 can be used on SUF 150 – 240 Ultra Force water heaters. It adds ...

S U F S E R V I C E H A N D B O O K I N S T A L L A T I O N State Water Heaters Technical Training Department Ashland City, Tennessee © 2004 7 STC-077 VENTING CLEARANCES This illustrates the exterior clearances for these SUF units when installed as direct vent heaters. N O T E : 24 inches between in...

S U F S E R V I C E H A N D B O O K I N S T A L L A T I O N Technical Training Department State Water Heaters STC-077 8 Ashland City, Tennessee © 2004 EXTERIOR SIDEWALL CLEARANCES Horizontal Vent (Using Room Air for Combustion) Horizontal Direct Vent (Using Outdoor Air for Combustion) When multiple ...

S U F S E R V I C E H A N D B O O K I N S T A L L A T I O N State Water Heaters Technical Training Department Ashland City, Tennessee © 2004 9 STC-077 AIR REQUIREMENTS MINIMUM AIR FOR COMBUSTION 10 Cubic Feet of Air Per 1000 BTUH Stoichiometric or theoretical complete combustion requires 10 cubic fe...

S U F S E R V I C E H A N D B O O K I N S T A L L A T I O N Technical Training Department State Water Heaters STC-077 10 Ashland City, Tennessee © 2004 MAKE-UP AIR Direct Communication A fresh supply of make-up air for combustion can be supplied to the heater through make-up air openings, which dire...

S U F S E R V I C E H A N D B O O K I N S T A L L A T I O N State Water Heaters Technical Training Department Ashland City, Tennessee © 2004 11 STC-077 MAKE-UP AIR Horizontal Ducts When the heater is installed in an interior room with no roof access for vertical ducts, horizontal make-up ducts shoul...

S U F S E R V I C E H A N D B O O K I N S T A L L A T I O N Technical Training Department State Water Heaters STC-077 12 Ashland City, Tennessee © 2004 CONTAMINATED AIR Along with adequate make-up air, the quality of the air is important. Contaminants in combustion air can lead to premature heater f...

S U F S E R V I C E H A N D B O O K I N S T A L L A T I O N State Water Heaters Technical Training Department Ashland City, Tennessee © 2004 13 STC-077 MULTIPLE UNIT — WATER PIPING NOTES APPLY TO ALL SYSTEMS: *ADD GATE VALVES TO INLET AND OUTLET OF EACH UNIT FOR ISOLATION FLEXIBILITY. LOCATE AT THE ...

S U F S E R V I C E H A N D B O O K I N S T A L L A T I O N Technical Training Department State Water Heaters STC-077 14 Ashland City, Tennessee © 2004 CONDENSATION The average dewpoint of natural gas flue products is 127° F. Propane flue products is 119° F. With 70° F ambient air temperature and 18...

S U F S E R V I C E H A N D B O O K O P E R A T I O N State Water Heaters Technical Training Department Ashland City, Tennessee © 2004 15 STC-077 OPERATION SEQUENCE OF OPERATION

S U F S E R V I C E H A N D B O O K O P E R A T I O N Technical Training Department State Water Heaters STC-077 16 Ashland City, Tennessee © 2004 CONTROLS NORMAL INDICATIONS / READINGS / SETTINGS During Call for Heat • On/Off switch in the “on” position • Water Temperature F° — current average tank ...

S U F S E R V I C E H A N D B O O K O P E R A T I O N State Water Heaters Technical Training Department Ashland City, Tennessee © 2004 17 STC-077 CIRCUT BOARDS DISPLAY CIRCUIT BOARD IGNITION CIRCUIT BOARD

S U F S E R V I C E H A N D B O O K T R O U B L E S H O O T I N G Technical Training Department State Water Heaters STC-077 18 Ashland City, Tennessee © 2004 TROUBLESHOOTING PRE-SERVICE TIPS SUF SERVICE HANDBOOK 120 VAC TO CONTROL STEP 1: CHECK FOR 120 VAC TO CONTROL BOARD CN1 TERMINAL. Condition: •...

S U F S E R V I C E H A N D B O O K T R O U B L E S H O O T I N G State Water Heaters Technical Training Department Ashland City, Tennessee © 2004 19 STC-077 TRANSFORMER STEP 2: CHECK FOR 120 VAC TO TRANSFORMER FROM PIN 1 AND 2 ON CONTROL BOARD CN4 TERMINAL.Condition: • Disconnect CN4 plug from cont...

S U F S E R V I C E H A N D B O O K T R O U B L E S H O O T I N G Technical Training Department State Water Heaters STC-077 20 Ashland City, Tennessee © 2004 TRANSFORMER (CONTINUED) STEP 3: CHECK FOR 24 VAC AT TRANSFORMER CN4 PLUG ON CONTROL BOARD. Condition: • CN4 is plugged into control board.• On...

S U F S E R V I C E H A N D B O O K T R O U B L E S H O O T I N G State Water Heaters Technical Training Department Ashland City, Tennessee © 2004 21 STC-077 ECO CHECK STEP 4: CHECK FOR 24 VAC BETWEEN PIN 4 ON CONTROL BOARD TERMINAL CN3 AND GROUND.Condition: • Disconnect CN3 plug from control board....

S U F S E R V I C E H A N D B O O K T R O U B L E S H O O T I N G Technical Training Department State Water Heaters STC-077 22 Ashland City, Tennessee © 2004 ECO CHECK (CONTINUED) STEP 5: CHECK FOR 24 VAC BETWEEN PIN 1 ON CN3 PLUG AND GROUND. Condition: • Reconnect CN3 plug to control board.• On/Off...

S U F S E R V I C E H A N D B O O K T R O U B L E S H O O T I N G State Water Heaters Technical Training Department Ashland City, Tennessee © 2004 23 STC-077 TEMPERATURE PROBE STEP 6: CHECK RESISTANCE OF THERMISTOR IN UPPER AND LOWER TEMPERATURE PROBES.Condition: • Disconnect CN3 and CN8 plugs from ...

S U F S E R V I C E H A N D B O O K T R O U B L E S H O O T I N G Technical Training Department State Water Heaters STC-077 24 Ashland City, Tennessee © 2004 PRESSURE SWITCH CONTINUITY STEP 7: CHECK FOR CONTINUITY BETWEEN PRESSURE SWITCH TERMINALS WITH WIRES REMOVED.Condition: • On/Off switch is off...

S U F S E R V I C E H A N D B O O K T R O U B L E S H O O T I N G State Water Heaters Technical Training Department Ashland City, Tennessee © 2004 25 STC-077 BLOWER STEP 8: CHECK FOR 120 VAC TO BLOWER FROM CN2 PLUG PIN 1 AND 2. Condition: • Reconnect all plugs to control board.• On/Off switch is on....

S U F S E R V I C E H A N D B O O K T R O U B L E S H O O T I N G Technical Training Department State Water Heaters STC-077 26 Ashland City, Tennessee © 2004 PRESSURE SWITCH PERFORMANCE STEP 9A: CHECK PRESSURE AT SENSING PORTS ON BURNER, BLOWER INLET AND GAS VALVE.Condition: • All wires are reconnec...

S U F S E R V I C E H A N D B O O K T R O U B L E S H O O T I N G State Water Heaters Technical Training Department Ashland City, Tennessee © 2004 27 STC-077 PRESSURE SWITCH PERFORMANCE (CONTINUED) STEP 9B: CHECK FOR CONTINUITY BETWEEN PRESSURE SWITCH TERMINALS WITH WIRES REMOVED AND BLOWER RUNNING....

S U F S E R V I C E H A N D B O O K T R O U B L E S H O O T I N G Technical Training Department State Water Heaters STC-077 28 Ashland City, Tennessee © 2004 120 VAC TO IGNITOR STEP 10: CHECK FOR 120 VAC TO IGNITOR FROM PIN 1 AND 2 ON CONTROL BOARD TERMINAL CN5.Condition: • Disconnect CN5 plug from ...

S U F S E R V I C E H A N D B O O K T R O U B L E S H O O T I N G State Water Heaters Technical Training Department Ashland City, Tennessee © 2004 29 STC-077 IGNITOR RESISTANCE STEP 11: CHECK RESISTANCE BETWEEN TWO WIRE CONNECTS AT CN5 IGNITOR PLUG END. Condition: • On/Off switch is off.• Disconnect...

S U F S E R V I C E H A N D B O O K T R O U B L E S H O O T I N G Technical Training Department State Water Heaters STC-077 30 Ashland City, Tennessee © 2004 GAS VALVE TEST STEP 12: CHECK FOR 24 VAC TO GAS VALVE DURING TRIAL FOR IGNITION. Condition: • All wires are reconnected.• On/Off switch is on....

S U F S E R V I C E H A N D B O O K T R O U B L E S H O O T I N G State Water Heaters Technical Training Department Ashland City, Tennessee © 2004 31 STC-077 GAS PRESSURE CHECK STEP 13: CHECK AND ADJUST SUPPLY GAS PRESSURE. Attach manometer or gas pressure gauge to pressure tap on gas valve or use a...

S U F S E R V I C E H A N D B O O K C O M P O N E N T I N F O R M A T I O N Technical Training Department State Water Heaters STC-077 32 Ashland City, Tennessee © 2004 COMPONENT INFORMATION ORIFICE TABLE * -4 and -5 stamped with “P” for Propane N O T E : Hex head of main burner orifice is upstream e...

S U F S E R V I C E H A N D B O O K C O M P O N E N T I N F O R M A T I O N State Water Heaters Technical Training Department Ashland City, Tennessee © 2004 33 STC-077 PRESSURE SWTCHES

S U F S E R V I C E H A N D B O O K W I R I N G D I A G R A M S State Water Heaters Technical Training Department Ashland City, Tennessee © 2004 35 STC-077 WIRING DIAGRAMS

S U F S E R V I C E H A N D B O O K S E R V I C E A I D S Technical Training Department State Water Heaters STC-077 36 Ashland City, Tennessee © 2004 SERVICE AIDS 1. This type product is polarity sensitive . Be certain that your electrical supply wire neutral has no voltage. 2. This unit will produc...

S U F S E R V I C E H A N D B O O K S E R V I C E A I D S State Water Heaters Technical Training Department Ashland City, Tennessee © 2004 37 STC-077 SUF MUFFLER N O T E S : 1. Install muffler in vertical position only.2. Muffler must be a minimum of 8” from top of condensate elbow. 3. The muffler i...

S U F S E R V I C E H A N D B O O K Q U E S T I O N S A N D A N S W E R S Technical Training Department State Water Heaters STC-077 38 Ashland City, Tennessee © 2004 QUESTIONS AND ANSWERS Q. How much electrical power is required for a SUF water heater? A. The SUF models draw approximately 5.0 Amps M...

S U F S E R V I C E H A N D B O O K E R R O R C O D E S State Water Heaters Technical Training Department Ashland City, Tennessee © 2004 39 STC-077 ERROR CODES CODE INDICATION 00 This is normal operation , 00 is displayed each time the heater is powered up. 01 Indicates the pressure switch circuit w...

S U F S E R V I C E H A N D B O O K S E R V I C E C H E C K L I S T Technical Training Department State Water Heaters STC-077 40 Ashland City, Tennessee © 2004 SERVICE CHECKLIST This is not intended to be and all-inclusive list of the problem that the Service Agent may encounter. Any item checked “n...

S U F S E R V I C E H A N D B O O K P A R T S L I S T State Water Heaters Technical Training Department Ashland City, Tennessee © 2004 41 STC-077 SUF SERVICE HANDBOOK PARTS LIST SUF MODELS 100 – 150, 100 – 199 AND 100 – 240 STATE WATER HEATERS 500 LINDHAL PARKWAY, ASHLAND CITY, TN 37015 PHONE: 1-800...

S U F S E R V I C E H A N D B O O K P A R T S L I S T Technical Training Department State Water Heaters STC-077 42 Ashland City, Tennessee © 2004 ULTRA FORCE SUF MODELS REPLACEMENT PARTS Shaded parts are recommended stock items for emergency replacement. Consider gas used in your area only. *Not ill...

S U F S E R V I C E H A N D B O O K P A R T S L I S T State Water Heaters Technical Training Department Ashland City, Tennessee © 2004 43 STC-077 ULTRA FORCE SUF CONTROLS PARTS LIST Shaded parts are recommended stock items for emergency replacement. Consider gas used in your area only. ITEM DESCRIPT...

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