Carrier 58MXA Instruction Manual
  1. Manuals
  2. Brands
  3. Carrier Manuals
  4. Furnace
  5. GAS FURNACE 58MXA
  6. Instruction manual
Carrier 58MXA Instruction Manual

Carrier 58MXA Instruction Manual

4-way multipoise fixed-capacity direct-vent condensing gas furnace for sizes 040-140, series 160
Hide thumbs Also See for 58MXA:
Table of Contents

Advertisement

Quick Links

See also: Service and Maintenance Instructions , Installation, Start-up, and Operating Instructions
Visit www.carrier.com
Service and Maintenance Instructions
ELECTRICAL SHOCK, FIRE, OR EXPLOSION HAZARD
Failure to follow safety warnings exactly could result in
dangerous operation, serious injury, death, or property dam-
age.
Improper servicing could result in dangerous operation,
serious injury, death, or property damage.
- Before servicing, disconnect all electrical power to furnace.
- When servicing controls, label all wires prior to disconnect-
ing. Reconnect wires correctly.
- Verify proper operation after servicing.
The ability to properly perform maintenance on this equip-
ment requires certain expertise, mechanical skills, tools, and
equipment. If you do not possess these, do not attempt to
perform any maintenance on this equipment other than those
procedures recommended in the User's Manual. FAILURE
TO FOLLOW THIS WARNING COULD RESULT IN
POSSIBLE DAMAGE TO THIS EQUIPMENT, SERIOUS
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 com-
pounds, 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.
Failure to follow this warning can cause corrosion of the heat
exchanger, fire, personal injury, or death.
NOTE: Read the entire instruction manual before starting the
installation.
This symbol
indicates a change since the last issue.

TABLE OF CONTENTS

SAFETY CONSIDERATIONS .....................................................2
GENERAL......................................................................................2
CARE AND MAINTENANCE.....................................................2
Cleaning and/or Replacing Air Filter.......................................3
Blower Motor and Wheel Maintenance...................................3
Cleaning Burners ......................................................................4
Cleaning Heat Exchangers........................................................5
Primary Heat Exchangers ......................................................5
Secondary Heat Exchangers ..................................................6
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. 535-80099
Tab 6a 8a
Direct-Vent Condensing Gas Furnace
For Sizes 040-140, Series 160
Printed in U.S.A.
4-Way Multipoise Fixed-Capacity
Fig. 1-Multipoise Furnace in Upflow Orientation
Servicing Hot Surface Igniter...................................................7
Electrical Controls and Wiring.................................................8
Winterizing..............................................................................10
WIRING DIAGRAM...................................................................11
TROUBLESHOOTING ...............................................................11
Status Codes............................................................................11
Component Tests ....................................................................11
Form 58MXA-9SM
Pg 1
58MXA
A93040
A93007
11-02
Replaces: 58MXA-8SM

Advertisement

Table of Contents
loading

Related Manuals for Carrier 58MXA

Summary of Contents for Carrier 58MXA

  • Page 1: Table Of Contents

    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. 535-80099 Printed in U.S.A. Form 58MXA-9SM Pg 1 11-02 Replaces: 58MXA-8SM Tab 6a 8a...

  • Page 2: Safety Considerations

    AIRFLOW EFFICIENCY RATING CERTIFIED UPFLOW CERTIFIED ® HORIZONTAL HORIZONTAL LEFT RIGHT DOWNFLOW AIRFLOW AIRFLOW REGISTERED QUALITY SYSTEM AIRFLOW SAFETY CONSIDERATIONS A93041 Recognize safety information. This is the safety-alert symbol Fig. 2—Multipoise Orientation When you see this symbol on the furnace and in instructions or ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS manuals, be alert to the potential for personal injury.

  • Page 3: Cleaning And/Or Replacing Air Filter

    WASHABLE FILTER IN FURNACE FILTER RETAINER WASHABLE FILTER FILTER SUPPORT FILTER RETAINER WASHABLE FILTER OR DISPOSABLE MEDIA WASHABLE FILTER OR FILTER IN FILTER CABINET DISPOSABLE MEDIA FILTER IN FILTER CABINET A00233 Fig. 4—Filter Installed for Side Inlet A00232 Fig. 3—Bottom Filter Arrangement To clean or replace filters, proceed as follows: If filter is installed in filter cabinet adjacent to furnace: Turn off the gas and electrical supplies to the unit before...

  • Page 4: Cleaning Burners

    Clean blower motor and wheel as follows: (1.) Connect 1 tube (blue or blue and white striped) from collector box. 1. Turn off electrical supply to furnace. (2.) Connect 1 tube (violet or unmarked) from inducer 2. Remove main furnace door and blower access panel. housing.

  • Page 5: Cleaning Heat Exchangers

    6. Remove burner box pressure tube from gas valve regulator fitting. FIRE OR EXPLOSION HAZARD 7. Remove screws that secure manifold to burner box. (See Fig. Failure to follow the safety warnings exactly could result in serious injury, death, or property damage. Never test for gas leaks with an open flame.

  • Page 6: Secondary Heat Exchangers

    16. Check furnace operation through 2 complete heat operating PRIMARY HX INLET OPENINGS cycles. Look through sight glass in burner enclosure to check burners. Burner flames should be clear blue, almost transpar- ent. (See Fig. 9.) FIRE OR EXPLOSION HAZARD Failure to follow the safety warnings exactly could result in serious injury, death, or property damage.

  • Page 7: Servicing Hot Surface Igniter

    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 8: Electrical Controls And Wiring

    1. Turn off gas and electrical supplies to furnace. 2. Remove main furnace door. 3. Disconnect igniter wire connection. 4. Check igniter resistance. a. Using an ohm meter, check resistance across both igniter leads in connector. b. Cold reading should be between 45 ohms and 90 ohms. c.
  • Page 9 FIELD 24-V WIRING FIELD 115-, 208/230-, 460-V WIRING FACTORY 24-V WIRING FACTORY 115-V WIRING NOTE 2 THERMOSTAT FIVE WIRE FIELD-SUPPLIED TERMINALS DISCONNECT THREE-WIRE HEATING-ONLY 208/230- OR BLOWER DOOR SWITCH 460-V THREE PHASE 208/230-V SINGLE PHASE AUXILIARY 115-V FIELD- J-BOX SUPPLIED NOTE 1 DISCONNECT CONDENSING...

  • Page 10: Checking Heat Tape Operation (If Applicable)

    32 F MINIMUM INSTALLED AMBIENT OR FREEZE PROTECTION REQUIRED A93058 Fig. 13—Winterizing the Furnace Step 8—Checking Heat Tape Operation (If Applicable) If this furnace is to be operated in an unconditioned space where the ambient temperatures may be 32°F or lower, freeze protection measures must be taken.

  • Page 11: Wiring Diagram

    6. Reconnect drain cap to inducer housing. Record the code. After the last code is displayed the control will perform the component test, and then return to normal standby 7. Replace main furnace door. mode. 8. Propylene glycol need not be removed before restarting furnace.
  • Page 12 TO 115VAC FIELD DISCONNECT SCHEMATIC DIAGRAM (WHEN USED) BLOWER OFF DELAY LGPS NOTE #2 (NATURAL GAS & PROPANE) JUMPER SELECT EQUIPMENT GROUND DHUM CAP-1 MED LO NOTE #11 HEAT MED HI START SPARE-1 NOTE #10 HI/LO BLWR COOL EAC-2 Y/Y2 TEST/TWIN BLWM EAC-1...

  • Page 13: Component Test

    SERVICE If status code recall is needed, briefly remove then reconnect one main limit wire to display stored status code. On RED LED boards do not remove power or blower door before initiat- ing status code recall. After one status code recall is completed component test will occur. LED CODE STATUS CONTINUOUS OFF - Check for 115VAC at L1 &...
  • Page 16 Copyright 2002 CARRIER Corp. • 7310 W. Morris St. • Indianapolis, IN 46231 58mxa9sm 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.

Table of Contents