Carrier 58MTB Service And Maintenance Instructions
Carrier 58MTB Service And Maintenance Instructions

Carrier 58MTB Service And Maintenance Instructions

100 series 4-way multipoise fixed-capacity condensing sizes 060-120

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58MTB
Deluxe 4---Way
Multipoise Fixed---Capacity
Condensing Gas Furnace
Service and Maintenance Instructions
NOTE: Read the entire instruction manual before starting the
installation.

TABLE OF CONTENTS

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ISO 9001:2000
REGISTERED
For Sizes 060-- 120, Series 100
PAGE
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CERTIFIED
!
ELECTRICAL
HAZARD
Failure to follow safety warnings exactly could result in
2
dangerous operation, personal injury, death, or property
damage.
2
- - Before servicing, disconnect all electrical power to furnace.
2
- -When servicing controls, label all wires prior to
3
disconnecting. Reconnect wires correctly.
- - Verify proper operation after servicing.
3
4
6
!
7
7
ELECTRICAL SHOCK, FIRE, OR EXPLOSION
8
HAZARD
8
Failure to follow this warning could result in possible
10
damage to this equipment, personal injury, or death.
11
The ability to properly perform maintenance on this
equipment requires certain expertise, mechanical skills,
11
tools, and equipment. If you do not possess these, do not
11
attempt to perform any maintenance on this equipment
13
other than those procedures recommended in the User's
Manual.
13
13
14
!
FIRE OR EXPLOSION HAZARD
Failure to follow this warning could property damage,
personal injury, or death.
Never store anything on, near, or in contact with the 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
compounds, plastic or plastic containers, gasoline, kerosene,
cigarette lighter fluid, dry cleaning fluids, or other volatile
fluids.
3. Paint thinners and other painting compounds, paper bags,
or other paper products.
1
WARNING
SHOCK, FIRE, OR EXPLOSION
WARNING
WARNING

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Table of Contents
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Summary of Contents for Carrier 58MTB

  • Page 1: Table Of Contents

    58MTB Deluxe 4---Way Multipoise Fixed---Capacity Condensing Gas Furnace Service and Maintenance Instructions For Sizes 060-- 120, Series 100 NOTE: Read the entire instruction manual before starting the WARNING installation. ELECTRICAL SHOCK, FIRE, OR EXPLOSION TABLE OF CONTENTS HAZARD PAGE Failure to follow safety warnings exactly could result in SAFETY CONSIDERATIONS .
  • Page 2: Safety Considerations

    SAFETY CONSIDERATIONS Recognize safety information. This is the safety- -alert symbol When you see this symbol on the furnace and in instructions or manuals, be alert to the potential for personal injury. Understand the 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.
  • Page 3: Care And Maintenance

    1. Disconnect all power to the furnace. DO NOT TOUCH Step 1 — Cleaning and/or Replacing Air Filter THE CONTROL OR ANY WIRE CONNECTED TO THE The air filter arrangement may vary depending on the application CONTROL PRIOR TO DISCHARGING YOUR BODY’S or orientation.
  • Page 4: Blower Motor And Wheel Maintenance

    Table 1 – Furnace Air Filter Table FILTER QUANTITY AND SIZE * FURNACE CASING WIDTH SIDE RETURN BOTTOM RETURN* FILTER TYPE* IN (MM) IN (MM) IN (MM) (1) 16 x 25 x 3/4 (1) 16 x 25 x 3/4 17--- 1/2 (445) 3/4”...
  • Page 5 CAUTION FILTER IN FURNACE UNIT DAMAGE HAZARD FILTER RETAINER Failure to follow this caution may result in noise or furnace component failure. The blower wheel should not be dropped or bent as balance will be affected. g. Clean wheel per instructions on degreaser cleaner. Do not get degreaser in motor.
  • Page 6: Cleaning Burners

    Table 3 – Speed Selection 13. Clean burners with soft brush and vacuum. FACTORY 14. Reinstall manifold, orifice, and gas valve assembly in burn- COLOR SPEED ATTACHED TO er box. Ensure manifold seal grommet is installed properly White Common and burners fit over orifices. Black High Cool...
  • Page 7: Cleaning Heat Exchangers

    16. Reconnect wires to gas valve and igniter. Refer to furnace 4. Disconnect combustion-air intake pipe from intake housing. wiring diagram for proper wire location. 5. Remove the pressure switch tube from intake housing. 17. Reinstall burner box pressure tube to gas valve regulator fit- 6.
  • Page 8: Secondary Heat Exchangers

    13. Refer to furnace wiring diagram and reconnect wires to 10. Reassemble inducer assembly by reversing items 5-7. Tight- flame rollout switch, gas valve, igniter, and flame sensor. en vent coupling clamp screw(s) to 15 in.-lb of torque. NOTE: If seal between the inducer housing and the collector box 14.
  • Page 9: Burner Flame

    TUBE ROUTING Furnace is shipped from factory in upflow configuration. Pressure tube and drain tube routing MUST match the diagrams below. Tube location when used in UPFLOW application Condensate Trap on LEFT Condensate Trap; Factory Installed Side Optional in Blower Shelf BURNER ENCLOSURE (Blower access panel removed) BURNER ENCLOSURE...
  • Page 10: Servicing Hot Surface Igniter

    CAUTION UNIT DAMAGE HAZARD Failure to follow this caution may result in premature failure of the igniter. The igniter is fragile. DO NOT allow it to hit the side of the burner box parts while removing or replacing it. e. If replacement is required, replace igniter on igniter bracket and then install assembly to burner box to avoid damage to the igniter.
  • Page 11: Electrical Controls And Wiring

    Step 8 — Checking Heat Tape Operation (If Applicable) In applications where the ambient temperature around the furnace is 32°F (0_C) or lower, freeze protection measures are required. If this application is where heat tape has been applied, check to ensure it will operate when low temperatures are present.
  • Page 12: Field Wiring

    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 Y/Y2 PHASE 115-V FUSED JUNCTION DISCONNECT SWITCH CONTROL CONDENSING (WHEN REQUIRED)
  • Page 13: Wiring Diagram

    SETUP SWITCHES TWINNING AND/OR LOW-HEAT ONLY AND COMPONENT TEST BLOWER OFF-DELAY TERMINAL ACRDJ - AIR CONDITIONING RELAY DISABLE JUMPER 24-V-THERMOSTAT TERMINALS TEST/TWIN TRANSFORMER 24-VAC CONNECTIONS 0.5-AMP024 VAC HUMIDIFIER TERMINAL (24-VAC 0.5 AMP MAX.) PL1 - LOW VOLTAGE MAIN FUSE 3-AMP HARNESS CONNECTOR 3-AMP FUSE SEC-1...
  • Page 14: Component Tests

    Record the code and repeat the disconnect and reconnect of the red wire, recording each code until code 11 is displayed indicating no additional codes. After the last code is displayed or after 2 minutes in the code recall mode the control will return to normal standby mode.
  • Page 15: Component Test

    SERVICE If status code recall is needed, briefly remove then reconnect one main limit wire to display last stored status code. Repeat remove-and-reconnect four more times for previous four status codes, after which the five codes repeat. Status code 11 will display when less than four previous status codes exist.
  • Page 16 A02176 Fig. 22 - - Wiring Diagram...
  • Page 17 A05095...
  • Page 18 A05095 Catalog No: 58MTB---2SM Copyright 2008 Carrier Corp. S 7310 W. Morris St. S Indianapolis, IN 46231 Printed in U.S.A. Edition Date: 12/08 Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.

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58mtb deluxe

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