Instruction/ maintenance manual of the product STC-077 State Industries
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THIS PRINT OUT IS FOR REFERENCE ONL Y! Do not use this printout for color match or critical dimensions. PRINT OUT MADE A T 100% OF FINAL SIZE. THIS FILE HAS NOT BEEN TRAPPED. This file was created with Adobe Illustrator 8.0.1 . DO NOT try to open this file with earlier versions.
SUF Service Handbook T ABLE OF CONTENT S STC-077 Introduction . . . . . . . . . . . . . . . . . . . 2 Inst allation Clearances . . . . . . . . . . . . . . . . . . . . . 3 Gas Requirements . . . . . . . . . . . . . . . 3 V enting . . . . . . . . . . . .
SUF SERVICE HANDBOOK INTRODUCTION Technical Training Department State Water Heaters STC-077 2 Ashland City, Tennessee © 2004 INTRODUCTION This service handbo ok is designed to aid in servicing a nd troubleshooting S tate SUF 150 , 19 9 an d 240 water heater s.
SUF SERVIC E HANDBOOK INSTALLATION State Water Heaters Technical Training Department Ashland City, Tennessee © 2004 3 STC-077 INST ALLA TION CLEARANCES This portion of the handbook will review often overlooked inst allation require- ments. The inst allation manual covers these items in detail.
SUF SERVICE HANDBOOK INSTALLATION Technical Training Department State Water Heaters STC-077 4 Ashland City, Tennessee © 2004 VENTING Equivalent Feet of Pi pe Int ake or Exhaust 4-inch PVC may be used for a MAXIMUM intake of ONE HUNDRE D TWENTY (120) EQUIV ALENT FEET and a MAXIMUM exhaust of ONE HUNDRED TWENTY (1 20) EQUIV ALENT FEET .
SUF SERVIC E HANDBOOK INSTALLATION State Water Heaters Technical Training Department Ashland City, Tennessee © 2004 5 STC-077 VENTING CONFIGURA TIONS VENTING MA TERIALS This unit can be vented using .
SUF SERVICE HANDBOOK INSTALLATION Technical Training Department State Water Heaters STC-077 6 Ashland City, Tennessee © 2004 CONCENTRIC VENT TERMINA TION The concentric vent termination kit, Part No. 9003910005 can be used on SUF 150 – 240 Ultra Force water heaters.
SUF SERVIC E HANDBOOK INSTALLATION State Water Heaters Technical Training Department Ashland City, Tennessee © 2004 7 STC-077 VENTING CLEARANCES This illustrates the exterior clea rances for these SUF units when in stalled as direct vent heaters. NOTE: 24 inches between inlet and out let is a MINIMUM.
SUF SERVICE HANDBOOK INSTALLATION Technical Training Department State Water Heaters STC-077 8 Ashland City, Tennessee © 2004 EXTERIOR SIDEW ALL CLEARANCES Horizont al V e nt (Using Room Air for Combu.
SUF SERVIC E HANDBOOK INSTALLATION State Water Heaters Technical Training Department Ashland City, Tennessee © 2004 9 STC-077 AIR REQUIREMENT S MINIMUM AIR FOR COMBUSTION 10 Cubic Feet of Air Per 1000 BTUH S toichiometric or theoretical co mplete combustion requires 10 cubi c feet of air per 1000 BTUH of gas input.
SUF SERVICE HANDBOOK INSTALLATION 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 fo r combustion can be supplied to the heat er through make-up air openings, which directly communicate with t he out of doors.
SUF SERVIC E HANDBOOK INSTALLATION State Water Heaters Technical Training Department Ashland City, Tennessee © 2004 11 STC-077 MAKE-UP AIR Horizont al Duct s When the heater is inst alled in an interior room with no roof access fo r vertical ducts, horizont al make-up ducts should be inst all ed.
SUF SERVICE HANDBOOK INSTALLATION Technical Training Department State Water Heaters STC-077 12 Ashland City, Tennessee © 2004 CONT AMINA TED AIR Along with adequate make-up air , th e quality of the air is import ant. Contaminants in combustion air can lead to premature heater failur e.
SUF SERVIC E HANDBOOK INSTALLATION State Water Heaters Technical Training Department Ashland City, Tennessee © 2004 13 STC-077 MUL TIPLE UNIT — W A TER PIPING NOTES APPLY TO ALL SYSTEMS: *ADD GATE VALVES TO IN LET AND OU TLET OF EACH UNIT FOR ISOLATION FLEXIBILITY.
SUF SERVICE HANDBOOK INSTALLATION Technical Training Department State Water Heaters STC-077 14 Ashland City, Tennessee © 2004 CONDENSA TION The average dewpoint of nat ural gas flue pr oducts is 127° F .
SUF SERVIC E HANDBOOK OPERATION State Water Heaters Technical Training Department Ashland City, Tennessee © 2004 15 STC-077 OPERATION SEQUENCE OF OPERATION.
SUF SERVICE HANDBOOK OPERATION Technical Training Department State Water Heaters STC-077 16 Ashland City, Tennessee © 2004 CONTROLS NORMAL INDICA TIONS / READINGS / SETTINGS During Call for Heat • .
SUF SERVIC E HANDBOOK OPERATION State Water Heaters Technical Training Department Ashland City, Tennessee © 2004 17 STC-077 CIRCUT BOARDS DISPLA Y CIRCUIT BOARD IGNITION CIRCUIT BOARD.
SUF SERVICE HANDBOOK TROUBLESHOOTING Technical Training Department State Water Heaters STC-077 18 Ashland City, Tennessee © 2004 TROUBLESHOOTING PRE-SER VICE TIPS SUF SERVICE HANDBOOK 120 VAC TO CONTROL STEP 1: CHE CK FOR 120 V AC TO CONT ROL BOARD CN1 TERMINAL.
SUF SERVIC E HANDBOOK TROUBLESHOOTING State Water Heaters Technical Training Department Ashland City, Tennessee © 2004 19 STC-077 TRANSFORMER STEP 2: CHECK FOR 120 V A C TO TR ANSFORMER FROM PIN 1 AND 2 ON CONTROL BOARD CN4 TERMINAL. Condition: • Disconnect CN4 plug from control board.
SUF SERVICE HANDBOOK TROUBLESHOOTING Technical Training Department State Water Heaters STC-077 20 Ashland City, Tennessee © 2004 TRANSFORMER (CONTINUED) STEP 3: CHECK FOR 24 V AC A T TRANSFORMER CN4 PLUG ON CONTROL BOARD. Condition: • CN4 is plugged into control board.
SUF SERVIC E HANDBOOK TROUBLESHOOTING State Water Heaters Technical Training Department Ashland City, Tennessee © 2004 21 STC-077 ECO CHECK STEP 4: CHECK F OR 24 V AC BETWEEN PIN 4 ON CONTROL BOARD TERMINAL CN3 AND GROUND. Condition: • Disconnect CN3 plug from control board.
SUF SERVICE HANDBOOK TROUBLESHOOTING Technical Training Department State Water Heaters STC-077 22 Ashland City, Tennessee © 2004 ECO CHECK (CONTINUED) STEP 5: CHECK FOR 24 V AC BETWEEN PIN 1 ON CN3 PLUG AND GROUND. Condition: • Reconnect CN3 plug to control board.
SUF SERVIC E HANDBOOK TROUBLESHOOTING State Water Heaters Technical Training Department Ashland City, Tennessee © 2004 23 STC-077 T EMPERATURE PROBE STEP 6: CHECK RESIST ANCE OF THERMISTOR IN UPPER AND LOWER TEMPERA TURE PROBES. Condition: • Disconnect CN3 and CN8 pl ugs from control board.
SUF SERVICE HANDBOOK TROUBLESHOOTING Technical Training Department State Water Heaters STC-077 24 Ashland City, Tennessee © 2004 PRESSURE SWITCH CONTINUITY STEP 7: CHECK FOR CONTINUITY BETWEEN PRESSURE SWIT CH TE RMINALS WITH WIRES REMOVED. Condition: • On/Off switch is off.
SUF SERVIC E HANDBOOK TROUBLESHOOTING State Water Heaters Technical Training Department Ashland City, Tennessee © 2004 25 STC-077 BLOWER STEP 8: CHECK FOR 120 V A C TO BLOWER FROM CN2 PLUG PIN 1 AND 2. Condition: • Reconnect all plugs to control board.
SUF SERVICE HANDBOOK TROUBLESHOOTING Technical Training Department State Water Heaters STC-077 26 Ashland City, Tennessee © 2004 PRESSURE SWITCH PERFORMANCE STEP 9A: CHECK PRESSURE A T SENS ING PORTS ON BURNER, BLOWER INLET AND GAS VA LV E . Condition: • All wires are reconnected to all pressure switches.
SUF SERVIC E HANDBOOK TROUBLESHOOTING State Water Heaters Technical Training Department Ashland City, Tennessee © 2004 27 STC-077 PRESSURE SWITCH PERFORMANCE (CONTINU ED) STEP 9B: CHECK FOR CONTINUITY BETWEEN PRESSURE SWIT CH TE RMINALS WITH WIRES REMOVED AND BLOWER R UNNING .
SUF SERVICE HANDBOOK TROUBLESHOOTING Technical Training Department State Water Heaters STC-077 28 Ashland City, Tennessee © 2004 120 VAC TO IGNITOR STEP 10: CHECK FOR 120 V AC TO IGNIT OR FROM PIN 1 AND 2 ON CONTROL BOARD TERMINAL CN5. Condition: • Disconnect CN5 plug from control board.
SUF SERVIC E HANDBOOK TROUBLESHOOTING State Water Heaters Technical Training Department Ashland City, Tennessee © 2004 29 STC-077 IGNITOR RESIST ANCE STEP 1 1: CHECK RESIST ANCE BETWEEN TWO WIRE CONNECTS A T CN5 IGNITOR PLUG END. Condition: • On/Off switch is off.
SUF SERVICE HANDBOOK TROUBLESHOOTING Technical Training Department State Water Heaters STC-077 30 Ashland City, Tennessee © 2004 GAS V AL VE TEST STEP 12: CHECK FOR 24 V A C TO GAS V AL V E DURING TRIAL FOR IGNITION. Condition: • All wires are reconnected.
SUF SERVIC E HANDBOOK TROUBLESHOOTING State Water Heaters Technical Training Department Ashland City, Tennessee © 2004 31 STC-077 GAS PRESSURE CHECK STEP 13: CHECK AND ADJUST SUPPL Y GAS PRESSURE. Attach manometer or gas pressure gauge to pressure t ap on gas valve or use ad apter to check pressure ahead of valve as near as possible to va lve.
SUF SERVICE HANDBOOK COMPONENT INFORMATION Technical Training Department State Water Heaters STC-077 32 Ashland City, Tennessee © 2004 COMPONENT INFORMA TION ORIFICE T ABLE * -4 and -5 stamped wi th “P” for Prop ane NOTE: Hex head of main burner orifice is upstre am end — gas flows out of tapered end.
SUF SERVIC E HANDBOOK COMPONENT INFORMATION State Water Heaters Technical Training Department Ashland City, Tennessee © 2004 33 STC-077 PRESSURE SWTCHES.
SUF SERVICE HANDBOOK COMPONENT INFORMATION Technical Training Department State Water Heaters STC-077 34 Ashland City, Tennessee © 2004 PRESSURE SWITCHES (CONTINUED) PRESSURE SWITCHES PART NUMBER / ACTIVATION PR ESSURE † †. Pressure values are given in inches of wate r column pressure (“W .
SUF SERVIC E HANDBOOK WIRING DIAGRA MS State Water Heaters Technical Training Department Ashland City, Tennessee © 2004 35 STC-077 WIRING DIAGRAMS.
SUF SERVICE HANDBOOK SERVICE AIDS Technical Training Department State Water Heaters STC-077 36 Ashland City, Tennessee © 2004 SER VICE AIDS 1. This type product is polarity sensitive . Be certain that your electr ical supply wire neutral has no voltage.
SUF SERVIC E HANDBOOK SERVICE AIDS State Water Heaters Technical Training Department Ashland City, Tennessee © 2004 37 STC-077 SUF MUFFLER NOTES: 1. Install muf fler in vertical position only . 2. Muffler must be a minimum of 8” from top of condensate elbow .
SUF SERVICE HANDBOOK QUESTIONS AND ANSWERS 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 SU F water heater? A. The SUF models draw appr oximately 5.
SUF SERVIC E HANDBOOK ERROR CODES State Water Heaters Technical Training Department Ashland City, Tennessee © 2004 39 STC-077 ERROR CODES CODE INDICATION 00 This is normal operat ion , 00 is displayed each time the heater is powered up.
SUF SERVICE HANDBOOK SERVICE CHECKLIST Technical Training Department State Water Heaters STC-077 40 Ashland City, Tennessee © 2004 SER VICE CHECKLIST This is not intended to be and all-inclusive list of the problem that the Service Agent may encounter .
SUF SERVICE HANDBOOK PARTS LIST State Water Heaters Technical Training Department Ashland City, Tennessee © 2004 41 STC-077 SUF SERVICE HANDBOOK PARTS LIST SUF MODELS 100 – 150, 10 0 – 199 AND 100 – 240 ST A TE W A TER HEA TERS 500 LINDHAL PARKWAY, ASHLAND CITY, TN 37015 PHONE: 1-800-821-2017 • FAX 1 -800- 644-9306 WWW.
SUF SERVICE HANDBOOK PARTS LIST Technical Training Department State Water Heaters STC-077 42 Ashland City, Tennessee © 2004 UL TRA FORCE SUF MODELS REPLACEMEN T P ARTS Shaded parts are recommended stock items for emergency r eplacement. Consider gas used in your area only .
SUF SERVICE HANDBOOK PARTS LIST State Water Heaters Technical Training Department Ashland City, Tennessee © 2004 43 STC-077 UL TRA FORCE SUF CONTROLS P ARTS LIST Shaded parts are recommended stock items for emergency r eplacement. Consider gas used in your area only .
SUF SERVICE HANDBOOK PARTS LIST Technical Training Department State Water Heaters STC-077 44 Ashland City, Tennessee © 2004 NOTES:.
THIS PRINT OUT IS FOR REFERENCE ONL Y! Do not use this printout for color match or critical dimensions. PRINT OUT MADE A T 100% OF FINAL SIZE. THIS FILE HAS NOT BEEN TRAPPED. This file was created with Adobe Illustrator 8.0.1 . DO NOT try to open this file with earlier versions.
An important point after buying a device State Industries STC-077 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought State Industries STC-077 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data State Industries STC-077 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, State Industries STC-077 you will learn all the available features of the product, as well as information on its operation. The information that you get State Industries STC-077 will certainly help you make a decision on the purchase.
If you already are a holder of State Industries STC-077, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime State Industries STC-077.
However, one of the most important roles played by the user manual is to help in solving problems with State Industries STC-077. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device State Industries STC-077 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
