|
Фрагмент инструкции
a.) Replace ignitor. failed to detect or b.) Ignition cable defective. b.) Replace ignitor cable. sustain flame c.) Ignitor cable disconnected. c.) Connect ignitor cable. d.) Manual gas valve in “OFF” d.) Turn manual gas valve to “ON”. position. No gas to valve. e.) Defective wire to gas valve. e.) Replace defective wire. f.) Wire to gas valve disconnected. f.) Connect gas valve wire. g.) Obstruction to vent outlet. g.) Remove obstruction. h.) Obstruction to air inlet. h.) Remove obstruction. 3 Pressure switch a.) Defective pressure switch. a.) Replace pressure switch. Open or Closed b.) Pressure switch tubing b.) Replace damaged tubing. damaged, kinked or collapsed. c.) Pressure switch tubing c.) Connect pressure switch tubing. disconnected. d.) Defective draft inducer. d.) Replace draft inducer. e.) Pressure switch tubing to e.) Reverse tubing connections on wrong connection. pressure switch. 4 Limit Switch opens a.) Defective limit switch. a.) Replace limit switch. b.) Damaged limit switch wire. b.) Replace damaged wire. c.) Limit switch wire disconnected. c.) Connect limit switch wire. d.) Blockage in front of front panel. d.) Remove blockage. e.) Heater over rate. e.) Check orifice, pressures, rate. 5 Flame sensed gas a.) Defective gas valve. a.) Replace gas valve. valve not energized b.) Defective control module. b.) Replace control module. Steady light Internal failure a.) Defective control module. a.) Replace control module. No Flashes (control module failure and power on self-check) TROUBLE SHOOTING CHART To assist in diagnosing and servicing, this heater is equipped with a self-diagnosing control module. Should a malfunction occur, the green indicator light on the control module will flash a varying number of times indicating the circuit in which malfunction is located. Page 22 Page 23 TROUBLE SHOOTING CHART SYMPTOM POSSIBLE CAUSES CORRECTIVE ACTION Flame too large 1. Defective operator section of valve. 1. Replace valve. 2. Burner orifices too large. 2. See installation instructions or check with local gas company for proper orifice size and replace as needed. 3. If installed above 2,000 ft. 3. See burner orifice section, Page 13. Yellow burner flame 1. Clogged burner ports. 1. Remove burners and check for obstructions in throats, ports, and orifices. Clean - but do not enlarge ports or orifices. 2. Obstruction around air intake or. 2. Remove obstruction. exhaust tubes. Gas odor 1. Gas leak. 1. See Page 1. Delayed Ignition 1. Low gas pressure. 1. Check gas supply pressure. 2. Ignitor not properly located. 2. Check ignitor location and correct if necessary. Failure to ignite 1. Main gas off. 1. Open all manual gas valves. 2. Thermostat not set high enough to call 2. Set thermostat to higher temperature. for heat. 3. Clogged burner orifice. 3. Clean burner orifice (do not enlarge). 4. Incorrect wiring. 4. Check wiring diagram. 5. Defective valve. 5. Replace valve. 6. No power to unit. 6. Check power supply. 7. Defective pressure switch. 7. Replace pressure switch. Burner won’t turn off 1. Defective or damaged thermostat wire, 1. Can be checked by removing wire from or thermostat. control board terminal. If burner goes off, replace thermostat. 2. Thermostat location. 2. Re-locate thermostat out of drafts, hot, or cold spots. 3. Defective or sticking valve. 3. Replace valve. 4. Excessive gas pressure. 4. Contact utility supplying gas. 5. Defective or damaged thermostat. 5. Replace thermostat. 6. Defective gas valve. 6. Replace gas valve. Incorrect gas input 1. Gas input not checked. 1. Re-check gas input. 2. Clogged orifice. 2. Clean orifices with a smooth wood toothpick, do not enlarge. Not enough heat 1. Furnace undersized. 1. This is especially true when a dwelling or room is enlarged. Have the heat loss calculated and compare to furnace output. Your gas company can supply you with this information. 2. Temperature set too low. 2. Raise thermostat setting. 3. Low supply pressure. 3. Check supply pressure. Too much heat 1. Temperature dial set too high. 1. Lower thermostat setting. 2. Gas control valve stuck open. 2. Replace gas control valve. Main burner goes out 1. Defective flame sensor. 1. Check voltage and replace ignitor if low. during normal operation 2. Input too high. 2. Check input rate. 3. Defective gasket. 3. Check and replace gasket if needed. 4. Missing gasket. 4. Be sure all gaskets are in place and properly sealed. 5. Limit switch opens. 5. Check rate - remove any obstructions to circulating air. 6. Exhaust or air intake tubes blocked. 6. Remove obstruction. Check for snow accumulation blocking intake and/or exhaust tube. Page 24 MODEL NUMBERS NAT. GAS L.P. GAS WOW253 WOW254 FAN-TYPE, DIRECT-VENT THROUGH-THE-WALL GAS HEATER Prices and specifications subject to change without notice. All prices are F.O.B. factory. Mr. Contractor, we only sell parts through our wholesalers, but the prices listed are for your convenience. For prompt parts service, contact the wholesaler from which you p...
Эта инструкция также подходит к моделям:Газовые нагреватели - WOW254 (731.33 kb)
Газовые нагреватели - WOW403 (731.33 kb)
Газовые нагреватели - WOW253 (731.33 kb)