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Carrier INDUCED COMBUSTION 58YAV, Service And Maintenance Instructions, Page: 12 / 12

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Carrier INDUCED COMBUSTION 58YAV Service And Maintenance Instructions Download Page 12

Copyright 2000 CARRIER Corp. • 7310 W. Morris St. • Indianapolis, IN 46231

58yav3sm

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.

Book 1

4

Tab

6a 8a

PC 101

Catalog No. 535-771

Printed in U.S.A.

Form 58YAV–3SM

Pg 12

10-00

Replaces: 58YAV–2SM

Summary of Contents for INDUCED COMBUSTION 58YAV

Page 1: ...hen you see this symbol on the furnace and in instructions or manuals be alert to the potential for personal injury Understand these signal words DANGER WARNING and CAUTION These words are used with the safety alert symbol DANGER identifies the most serious hazards which will result in severe personal injury or death WARNING signifies hazards which could result in personal injury or death CAUTION ...

Page 2: ...nsult your local dealer as to proper frequency of maintenance and availability of a maintenance contract Never store anything on near or in contact with furnace such as 1 Spray or aerosol cans rags brooms dust mops vacuum cleaners or other cleaning tools 2 Soap powders bleaches waxes or other cleaning com pounds plastic or plastic containers gasoline kerosene cigarette lighter fluid dry cleaning f...

Page 3: ...d not be dropped or bent as balance will be affected 8 If a greasy residue is present on blower wheel remove wheel from the blower housing and wash it with an appropriate degreaser To remove wheel a Mark blower wheel location on shaft before disassembly to ensure proper reassembly b Loosen setscrew holding blower wheel on motor shaft NOTE Mark blower mounting arms motor and blower housing so motor...

Page 4: ...itor See Fig 3 for correct ignitor location 9 Using field provided small wire brush steel spring cable reversible electric drill and vacuum cleaner clean cells as follows a Assemble wire brush and steel spring cable 1 Use 48 in of 1 4 in diameter high grade steel spring cable commonly known as drain clean out or Roto Rootert cable 2 Use 1 4 in diameter wire brush commonly known as 25 caliber rifle...

Page 5: ... must be maintained properly Refer to Fig 5 for field wiring information and to Fig 6 for furnace wiring information NOTE If the polarity is not correct the STATUS LED on the control will flash rapidly and prevent the furnace from heating The control system also requires an earth ground for proper operation of the control and flame sensing electrode The 24 v circuit contains an automotive type 3 a...

Page 6: ...C CONDUCTOR ON PCB FIELD WIRING TERMINAL FIELD GROUND EQUIPMENT GROUND FIELD SPLICE PLUG RECEPTACLE L1 L2 L1 BLWR HI LO TO 115VAC FIELD DISCONNECT NOTE 4 EQUIPMENT GROUND SPARE 2 HEAT SPARE 1 COOL NOTE 7 COM HSIR EAC 1 START OL COM HI MED HI MED LO LO BLWM SCHEMATIC DIAGRAM NATURAL GAS PROPANE EAC 2 1 1 HSI 2 PL5 2 PL2 3 PL3 PR2 115VAC PR1 TRAN 24VAC 1 2 IDR TEST TWIN FU1 NOTE 6 CAP L2 PL1 8 FSE 9...

Page 7: ...s and retrieval request is ignored 2 When above items have been completed the following will occur a LED flashes a status code 4 times Record this status code for further troubleshooting b Inducer motor starts and continues to run the entire component test c Hot surface ignitor is energized for 15 sec then de energized d Main blower operates at heating speed for 10 sec then turns off e Main blower...

Page 8: ...lame roll out switch requires manual reset Check for Defective blower motor or capacitor Dirty filter or restricted duct system Loose blower wheel Defective switch or connections Inadequate combustion air supply Flame Roll out Switch or fuse link open Open Flame Roll out Switch or fuse link Manual reset or replace IGNITION PROVING FAILURE Control will try three more times before lockout 14 occurs ...

Page 9: ...idly and test request will be ignored e Component Test will function as described in item 2 above f Check LED status g If LED status indicates proper operation RELEASE BLOWER ACCESS DOOR SWITCH replace blower access door and replace control access door WIRING DIAGRAMS Refer to Fig 5 6 and 7 for the 58YAV furnace wiring diagrams TROUBLESHOOTING Refer to service label See Fig 8 The Troubleshooting G...

Page 10: ...ill start and run for the entire component test The HSI blower motor heat speed and blower motor cool speed will run for 10 15 sec each Determine status code The status code is a 2 digit number with the first digit determined by the number of short flashes and the second digit by the number of long flashes Was there a previous fault code other than No 11 Does control respond to W Y or G 24 vac the...

Page 11: ...ed while gas valve was de energized Inducer will run until fault is cleared Check for Stuck open gas valve solenoid or leak Defective control center 23 PRESSURE SWITCH WILL NOT OPEN Check for Disconnected or obstructed pressure tubing Defective pressure switch 24 LOW VOLTAGE FUSE IS OPEN Check for Short in low voltage wiring including thermostat leads shorting to ductwork or furnace cabinet Discon...

Page 12: ...231 58yav3sm Manufacturer reserves the right to discontinue or change at any time specifications or designs without notice and without incurring obligations Book 1 4 Tab 6a 8a PC 101 Catalog No 535 771 Printed in U S A Form 58YAV 3SM Pg 12 10 00 Replaces 58YAV 2SM ...

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