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Carrier INDUCED COUSTION 58YAV manual

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Table of contents for the manual

  • Page 1

    58YAV Induced-Combustion Furnaces Service and Maintenance Instructions For Sizes 070-155, Series 110 and 120 NOTE: Read the entire instruction manual before starting the installation. TABLE OF CONTENTS SAFETY CONSIDERATIONS .....................................................1 INTRODUCTION ..........................................................[...]

  • Page 2

    ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS PROCEDURE Electrostatic discharge can affect electronic components. Take precautions during furnace installation and servicing to protect the furnace electronic control. Precautions will pre- vent electrostatic discharges from personnel and hand tools which are held during the procedure. These precautions w[...]

  • Page 3

    d. If equipped with permanent, washable filter, clean filter by spraying cold tap water through filter in opposite direction of airflow. Rinse filter and let dry. Oiling or coating of the filter is not recommended. e. If equipped with factory-specified disposable media filter, replace only with media filter having the same part number and size. f. [...]

  • Page 4

    14. If furnace is operating properly, REMOVE TAPE TO RE- LEASE BLOWER ACCESS DOOR SWITCH, replace blower access door. Step 3—Cleaning Heat Exchanger The following steps should be performed by a qualified service technician: NOTE: If the heat exchangers get a heavy accumulation of soot and carbon, they should be replaced rather than trying to clea[...]

  • Page 5

    10. Clean flame sensor with fine steel wool 11. Remove old sealant from center panel and collector box flange and apply new sealant to collector box flange and reinstall on center panel, making sure all 8 screws are secure. NOTE: A releasing agent such as PAM cooking spray or equiva- lent (must not contain corn or canola oil, aromatic or halogenate[...]

  • Page 6

    Fig. 6—Unit Wiring Diagram A00304 PCB BLOWER OFF DELAY SELECTION CHART 90 SEC 135 SEC 180 SEC 225 SEC GVR H I/LO RELA Y SEC-1 SEC-2 PL1 3 2 1 6 5 4 9 87 LED TEST/TWIN BLOWER OFF DELAY G R Y W C HUM HSI R I DR BLWR BLOWER SPEED SELECT FU1 COOL HEA T L2 PL3 PL2 VAC 120 L1 PR1 1 2 1 2 3 PR2 24 VAC -3A FUSE SP AR E-2 SP ARE-1 EAC-1 EAC-2 C 1.5 AMP 12[...]

  • Page 7

    through the sight glass or window on the blower access door. The control indicates status with the LED on continuously, rapid flashing, or a code composed of 2 digits. (The first digit is the number of short flashes, the second is the number of longs flashes.) For an explanation of status codes, refer to service label (See Fig. 8) located on blower[...]

  • Page 8

    Fig. 8—Service Label A99233 SER VICE G R Y W Com HUM TEST LED LED CODE ST A TUS 24V 11 12 13 14 21 22 23 24 31 33 34 * 9 8 6 5 32 1 4 7 COMPONENT TEST NO PREVIOUS CODE - Stored status codes are erased when pow er (115V AC or 24V AC) to control is interrupted or 48 hours after each f ault is cleared. BLO WER ON AFTER PO WER UP (115V A C or 24 V A [...]

  • Page 9

    Blower access door switch opens 115-v power to control. No component operation can occur. Caution must be taken when manually closing this switch for service purposes. Failure to follow this warning could result in personal injury or death. d. BRIEFLY short (jumper) TEST, 3/16 in. quick connect terminal on control (adjacent to LED status light), an[...]

  • Page 10

    Troubleshooting Guide A99123a Is circuit breaker closed? Close door switch and go to start. Is red LED status light on? Is door switch closed? Is red LED status light blinking rapidly without a pause? Is there 1 15v going to switch? Replace door switch. Replace control center . Replace transformer . Is red LED status light blinking ON/OFF slowly wi[...]

  • Page 11

    A99123b 11 NO PREVIOUS F A UL T - Faults are erased after 48 hrs or whenever power (1 15v or 24v) is interrupted. Run system through a heating or cooling cycle to check system. 12 BLO WER ON AFTER PO WER UP (115V OR 24V) - Normal operation. Blower will run for 90 sec when furnace power is interrupted during a call for heat, R-W closed. 13 LIMIT OR [...]

  • 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[...]