Table of Contents
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Service and Maintenance Instructions
NOTE: Read the entire instruction manual before starting the
installation.
This symbol → indicates a change since the last issue.
TABLE OF CONTENTS
SAFETY CONSIDERATIONS .....................................................1
INTRODUCTION ..........................................................................2
CEDURE ........................................................................................2
CARE AND MAINTENANCE.....................................................2
Cleaning And/Or Replacing Air Filter.....................................2
Blower Motor and Wheel.........................................................4
Cleaning Heat Exchanger .........................................................5
Electrical Controls and Wiring.................................................6
WIRING DIAGRAMS.................................................................10
TROUBLESHOOTING ...............................................................10
REGISTERED QUALITY SYSTEM
Fig. 1-Model 58TMA Horizontal
SAFETY CONSIDERATIONS
Installing and servicing heating equipment can be hazardous due to
gas and electrical components. Only trained and qualified person-
nel should install, repair, or service heating equipment.
Untrained personnel can perform basic maintenance functions
such as cleaning and replacing air filters. All other operations must
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Book 1 4
PC 101
Catalog No. 535-796
Tab 6a 8a
For Sizes 040-135, Series 120 or 130
EFFICIENCY
RATING
CERTIFIED
CERTIFIED
®
A94087
Printed in U.S.A.
Deluxe 2-Speed Gas-Fired
Induced-Combustion Gas Furnaces
Fig. 2-Model 58TMA Downflow
Fig. 3-Model 58TUA Upflow
be performed by trained service personnel. When working on
heating equipment, observe precautions in the literature, tags, and
labels attached to or shipped with the unit and other safety
precautions that may apply.
Follow all safety codes. In the United States, follow all safety
codes including the National Fuel Gas Code (NFGC) NFPA No.
Form 58T-6SM
58TMA, 58TUA
Pg 1
10-00
Replaces: 58T-5SM
A94086
A94085
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Table of Contents
Troubleshooting
Related Manuals for Carrier 58TMA040
Summary of Contents for Carrier 58TMA040
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Page 1: Table Of Contents
58TMA, 58TUA Deluxe 2-Speed Gas-Fired Induced-Combustion Gas Furnaces Visit www.carrier.com Service and Maintenance Instructions For Sizes 040-135, Series 120 or 130 NOTE: Read the entire instruction manual before starting the installation. This symbol → indicates a change since the last issue. -
Page 2: Introduction
54-1999/ANSI Z223.1-1999. In Canada, refer to the current 6. Before removing a new control from its container, discharge edition of the National Standard of Canada CAN/CGA-B149.1- your body’s electrostatic charge to ground to protect the and .2-M95 Natural Gas and Propane Gas Installation Codes control from damage. - Page 3 → 2. Upflow–filters installed in media cabinet adjacent to furnace (See Fig. 6). FLUE COLLAR BLOCKED MOUNTING VENT SCREWS SAFEGUARD AIRFLOW PRESSURE SWITCH RELIEF FLUE COLLECTOR VALVE A94307 CONTROL Fig. 4—Horizontal Filter Arrangement AIRFLOW FILTER RETAINER INSTALLATION POSITION WASHABLE OF FILTERS FILTER FURNACE RETURN-AIR...
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Page 4: Blower Motor And Wheel
Step 2—Blower Motor and Wheel 6. Hang control and transformer support to front of furnace casing. The following items should be performed by a qualified service technician: 7. Remove screws holding blower assembly to blower deck and slide blower assembly out of furnace. To ensure long life, economy, and high efficiency, clean accumu- lated dirt and grease from blower wheel and motor annually. -
Page 5: Cleaning Heat Exchanger
G.E. 162 (P771-9003) is available through RCD in 3-oz tubes. 7. Remove complete inducer assembly and relief box from furnace. 15. Reinstall vent connector to furnace flue collar. After fully assembling vent connector to furnace flue collar, securely 8. Remove screws that secure flue collector box to center panel. fasten vent connector to flue collar with 2 field-supplied, Be careful not to damage collector box. -
Page 6: Electrical Controls And Wiring
(2.) Remove cell outlet plates. f. Hot surface ignitor. IMPORTANT: Replace screws in center panel before cleaning. g. Flame-sensing electrode. (3.) Insert brush end of cable into upper opening of cell h. Flame rollout switch(es), if applicable. and slowly rotate with drill. DO NOT force cable. 15. - Page 7 FIELD 24-V WIRING FIELD 115-, 208/230-, 460-V WIRING FACTORY 24-V WIRING FACTORY 115-V WIRING 1-STAGE THERMOSTAT TERMINALS FIVE FIELD-SUPPLIED WIRE FUSED DISCONNECT TWO-WIRE 208/230- OR HEATING- 460-V ONLY THREE PHASE 208/230-V W/W1 SINGLE PHASE Y/Y2 115-V FUSED JUNCTION DISCONNECT SWITCH CONTROL CONDENSING (WHEN REQUIRED)
- Page 8 CONNECTION DIAGRAM SCHEMATIC DIAGRAM (NATURAL GAS & PROPANE) TO 115VAC FIELD EQUIPMENT DISCONNECT SWITCH NOTE #1 FRS2 NOTE #8 GROUND LO-GAS-HEAT BHI / LOR MED LO BLWM BHT / CLR LGPS HI-GAS-HEAT NOTE #15 GRN/YEL SPARE GRN/YEL BLWR SPARE MED HI HI-COOL NOTE #4 FRS1...
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Page 9: Component Test
SERVICE If status code recall is needed, do not remove power or blower door. Briefly remove and then reconnect one main limit wire to display stored status code. LED CODE ST A TUS CONTINUOUS OFF - Check for 115VAC at L1 and L2, and 24VAC at SEC1 and SEC2 CONTINUOUS ON - Control has 24VAC power. -
Page 10: Wiring Diagrams
Use any recorded fault codes, service label, and troubleshooting The Guide will help you identify the problem or failed component. diagram on following pages to diagnose and correct any problem After replacing any component, verify correct operation sequence. condition. More information is available in a seperate Troubleshooting Guide for 2-stage Gas-Fired Induced-Combustion Furnaces. -
Page 11: Troubleshooting Guide
TROUBLESHOOTING NOTES: WARNING Refer to information label on blower compartment door GUIDE for procedure for use of LED status codes and problem solving suggestions. LED indicator is viewed through window in blower ELECTRICAL SHOCK HAZARD compartment door. If 115-vac power is de-energized or interrupted during a ONLY QUALIFIED AND TRAINED call for heat, the indoor blower will run for 90 sec before SERVICE PERSONNEL SHOULD... -
Page 12: Service Training
[ ] Classroom Service Training A94328 Copyright 2000 CARRIER Corp. • 7310 W. Morris St. • Indianapolis, IN 46231 58T6SM Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
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