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Istruzioni per l'uso Bradford-White Corp, Modello fps50

Produttore : Bradford-White Corp
File Size : 20.63 mb
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Lingua di insegnamento: en
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Then turn the switch back on. Use extreme caution as you may be working with 120 VAC. ©1995 A.O. Smith Technical Information Water Products Co. 51 Irving, Texas FPS/FPSE/FPD TECHNICAL TRAINING AND SERVICE WORKBOOK Troubleshooting cont BLOWER RUNS CONSTANTLY (No call for heat) cont. BLOWER TEST SET UP THE TEST - Disconnect the 4 wire cab e from the blower contro box as shown RESULTS If: then: the blower continues to run, replace the blower. the blower stops, go to Step 2. FPSE 40 and 50 SERVICE AND OPERATION cont FPD 40 and 50 SERVICE AND OPERATION cont •I FPS/FPSE/FPD TECHNICAL TRAINING AND SERVICE WORKBOOK FPSE 40 and 50 SERVICE AND OPERATION cont FPD 40 and 50 SERVICE AND OPERATION cont Trouble- BLOWER RUNS CONSTANTLY (No call for heat) cont. shooting cont CABLE TEST SET TEST UP - Reconnect cable to blower control box, then - disconnect cable from receptacle on the door below as shown, - inspect the wire from thermostat to 4 pin connector for lack of continuity or loose connections, correct either of these conditions if necessary. If: the blower continues to run, replace the cab\e. the blower stops, see preliminary checks. FPS/FPSE/FPD TECHNICAL TRAINING AND SERVICE WORKBOOK FPSE 40 and 50 SERVICE AND OPERATION cont. FPD 40 and 50 SERVICE AND OPERATION cont Trouble- shooting cont. BLOWER RUNS CONSTANTLY (CALLING FOR HEAT, NO PILOT) First make the Preliminary Checks (see page 45), then perform each of the following tests until cause of the failure is determined: 1. Air Pressure Switch 2. Cable Test 3. TH Wire Test 4. PV-PV/MV Test 5. Spark Test 6. Pilot Valve When performing the following troubleshooting procedures you will be required to jump out parts of the electrical circuit. Turn the switch on the blower off when inserting the jumper wire. Then turn the switch back on. Use extreme caution as you may be working with 120 VAC. Water Products Co. 54 Technical Information FPS/FPSE/FPD TECHNICAL TRAINING AND SERVICE WORKBOOK FPSE 40 and 50 SERVICE AND OPERATION cont FPD 40 and 50 SERVICE AND OPERATION cont Trouble- BLOWER RUNS CONSTANTLY (Calling for heat, no pilot) cont shooting cont. AIR PRESSURE SWITCH TEST SET UP THE TEST - Disconnect the 4 wire cable from the blower control box, - using an insulated jumper wire, jump between pins 1 and 3 (caution 120 VAC) on the receptacle, then - using a multimeter, test for 24 VAC between pins 2 and 4 as shown. RESULTS If: then: the meter does not read 24 VAC, replace the pressure switch. the meter does read 24 VAC, go to Step 2. ©1995 A.O. Smith Technical Information Water Products Co. 55 Irving, Texas FPS/FPSE/FPD TECHNICAL TRAINING AND SERVICE WORKBOOK FPSE 40 and 50 SERVICE AND OPERATION cont FPD 40 and 50 SERVICE AND OPERATION cont Trouble- BLOWER RUNS CONSTANTLY (Calling for heat, no pilot) cont shooting cont mr i;r- F-" Æl ssuere f. ,rr. ' 'jfJ/OFT'^fc tsîi- à eKl’ off™ r t,:i 1- ‘Ori/CfT* eonini •I CABLE TEST SET UP THE TEST - Reconnect the 4 wire cable to the blower control box, - disconnect the cable from receptacle on door below, - using an insulated jumper wire, jump between pins 1 and 3 (caution 120 VAC) on cable plug, then - using a multimeter, test for 24 VAC between pins 2 and 4 as shown. RESULTS If: then: the meter does not read 24 VAC, replace the cable. the meter does read 24 VAC, go to Step 3 ©1995 A.D, Smith Technical Information ift/atpf Pffsducte no 56 Irvin Q i Tsxss umHw FPS/FPSE/FPD TECHNICAL TRAINING AND SERVICE WORKBOOK FPSE 40 and 50 SERVICE AND OPERATION cont FPD 40 and 50 SERVICE AND OPERATION cont Troubleshooting cont TH WIRE TEST SET UP THE TEST - Reconnect the cable to receptacle on the door, - remove front cover door, - inspect the wire from the connector to the I. I D. for lack of continuity or loose connections, correct any of these conditions if necessary, then - using a multimeter, test for 24 VAC between TH wire and ground on the I. I D. as shown. RESULTS If: then: the meter does not read 24 VAC, replace wire. the meter does read 24 VAC, go to Step 4. BLOWER RUNS CONSTANTLY (Calling for heat; no pilot) cont FPS/FPSE/FPD TECHNICAL TRAINING AND SERVICE WORKBOOK FPSE 40 and 50 SERVICE AND OPERATION cont FPD 40 and 50 SERVICE AND OPERATION cont shooting cont BLOWER RUNS CONSTANTLY (Calling for heat, no pilot) cont RESULTS If: then: the meter does not read 24 VAC, replace the I l D. the meter does read 24 VAC, go to Step 5. Water Products Co. • I 58 Technical Information FPS/FPSE/FPD TECHNICAL TRAINING AND SERVICE WORKBOOK FPSE 40 and 50 SERVICE AND OPERATION cont. FPD 40 and 50 SERVICE AND OPERATION cont Trouble- BLOWER RUNS CONSTANTLY (Calling for heat, no pilot) cont shooting cont. SPARK TEST s SET UP THE TEST - Reset the ON/OFF switch, then T 5 - visually check for spark at the pilot assembly. E - Sparking should stop as soon as pilot is lit. (If sparking continues, see page 64) P RESULTS If: then; the ele...

Questo manuale è adatto anche per i modelli :
scaldabagno - FPS40 (20.63 mb)
scaldabagno - FPS 75 (20.63 mb)
scaldabagno - FPSE50 (20.63 mb)

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