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Carrier 58MVB Service And Maintenance Instructions

Deluxe 4-way multipoise variable-capacity condensing gas furnace
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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.
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.
ELECTRICAL SHOCK, FIRE OR EXPLOSION
HAZARD
Failure to follow this warning could result in possible damage
to this equipment, serious personal injury, or death.
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.
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
Tab 6a 8a
For Sizes 040-120, Series 100
A93040
Printed in U.S.A.
Catalog No. 58MVB-1SM
Multipoise Variable-Capacity
Condensing Gas Furnace
FIRE OR EXPLOSION HAZARD
Failure to follow this warning could cause corrosion of heat
exchanger, fire, 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.
SAFETY CONSIDERATIONS .....................................................1
GENERAL......................................................................................2
CARE AND MAINTENANCE.....................................................3
Cleaning and/or Replacing Air Filter.......................................3
Blower Motor and Wheel Maintenance...................................4
Cleaning Burners ......................................................................5
Cleaning Heat Exchangers........................................................6
Servicing Hot Surface Igniter...................................................7
Electrical Controls and Wiring.................................................9
Winterizing..............................................................................10
WIRING DIAGRAMS.................................................................12
TROUBLESHOOTING ...............................................................12
SAFETY CONSIDERATIONS
Recognize safety information. This is the safety-alert symbol
When you see this symbol on the unit and in instructions or
manuals, be alert to the potential for personal injury.
Understand the signal words DANGER, WARNING, CAUTION,
and NOTE. 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 is used
to identify unsafe practices which may result in minor personal
injury or product and property damage. NOTE is used to highlight
suggestions which will result in enhanced installation, reliability,
or operation.
Installing and servicing heating equipment can be hazardous due to
gas and electrical components. Only trained and qualified service
agency personnel should install, repair, or service heating equip-
ment.
Pg 1
58MVB
Deluxe 4-Way
8-05
Replaces: 58MVP-12SM
.

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Summary of Contents for Carrier 58MVB

  • 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 Printed in U.S.A. Catalog No. 58MVB–1SM Pg 1 8-05 Replaces: 58MVP-12SM Tab 6a 8a...

  • Page 2: General

    (NFPA 90B) ANSI/NFPA 90B. Wear safety glasses and work gloves. Have a fire extinguisher available during start-up and adjustment procedures and service calls. GENERAL → direct vent (2-pipe) or This furnace can be installed as a non-direct vent (1-pipe) condensing gas furnace. These in- structions are written as if the furnace is installed in an upflow application.

  • Page 3: Care And Maintenance

    6. Before removing a new control from its container, discharge 5. If equipped with factory specified disposable media filter, your body’s electrostatic charge to ground to protect the replace only with a factory specified media filter of the same control from damage. If the control is to be installed in a size.

  • Page 4: Blower Motor And Wheel Maintenance

    BURNER ENCLOSURE PRESSURE REFERENCE TUBE ASSEMBLY COLLECTOR BOX TUBE PLUG (PINK) COLLECTOR BOX COLLECTOR BOX TUBE (GREEN) DRAIN TUBE (BLUE & WHITE STRIPED) INDUCER HOUSING (MOLDED) DRAIN TUBE (BEHIND COLLECTOR BOX DRAIN TUBE) CONDENSATE TRAP COLLECTOR BOX DRAIN TUBE (BLUE) FIELD-INSTALLED FACTORY -SUPPLIED DRAIN TUBE COUPLING (RIGHT...

  • Page 5: Cleaning Burners

    c. Connect field drain to condensate trap. CELL PANEL NOTE: Ensure tubes are not kinked or pinched, as this will affect operation. MANIFOLD MOUNTING 12. Reinstall control box, transformer, and door switch assembly SCREWS on blower shelf. 13. Reconnect wires. a.

  • Page 6: Cleaning Heat Exchangers

    PRIMARY HX INLET OPENINGS → ELECTRICAL SHOCK HAZARD Failure to follow this warning could result in electrical shock, personal injury, or death. Igniter wires must be securely placed in slot in manifold grommet or else they could become pinched or severed and electrically shorted.

  • Page 7: Flushing Collector Box And Drainage System

    → NOTE: Inspect combustion-air intake housing. If foamed gasket 6. Disconnect drain tube from inducer housing. (See Fig. 10.) was removed, check for any damage. If gasket is damaged in any NOTE: Ensure the drain tube disconnected from the inducer way, it must be repaired.
  • Page 8 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 PRESSURE (Blower access panel removed) BURNER ENCLOSURE PRESSURE...

  • Page 9: Electrical Controls And Wiring

    BURNER FLAME BURNER 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 burner box parts while removing or replacing it. → e. If replacement is required, replace igniter on igniter bracket and then install assembly into burner box to avoid damage to the igniter.

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

    FIELD 24-VOLT WIRING FIELD 115-, 208/230-, 460-VOLT WIRING FACTORY 24-VOLT WIRING FACTORY 115-VOLT WIRING NOTE 2 1-STAGE THERMOSTAT FIVE FIELD-SUPPLIED TERMINALS WIRE FUSED DISCONNECT THREE-WIRE 208/230- OR HEATING- 460-VOLT ONLY THREE PHASE 208/230- W/W1 VOLT NOTE 1 Y/Y2 SINGLE 115-VOLT FIELD- JUNCTION PHASE SUPPLIED...
  • Page 11 FUTURE COMMUNICATION CONTINUOUS FAN APPLICATIONS CONNECTOR (CF) AIRFLOW MODEL PLUG SETUP SWITCHES CONNECTOR SW1 SETUP SWITCHES AND BLOWER OFF- DELAY AIR CONDITIONING (A/C) AIRFLOW SETUP SWITCHES HUMIDIFIER TERMINAL (24-VAC 0.5 AMP MAX. ACRDJ – AIR CONDITIONING RELAY DISABLE JUMPER 24-V THERMOSTAT TERMINALS FLASH UPGRADE...

  • Page 12: Wiring Diagrams

    ELECTRICAL SHOCK, UNIT MAY NOT OPERATE HAZARD Failure to follow this warning could result in electrical shock, personal injury, or death. Blower access panel door switch opens 115-v power to furnace control. No component operation can occur unless switch is closed. Caution must be taken when manually closing this switch for service purposes.
  • Page 13 A99118 Fig. 18—Inducer Housing Drain Tube A99119 Fig. 19—Funnel in Drain Tube and Antifreeze Running Through Trap NOTE: To repeat component test, turn setup switch SW1-6 to (1.) Inducer motor operates at medium speed through step (3), then turns off. OFF and then back to ON.

  • Page 14: Component Test

    SERVICE If status code recall is needed disconnect the "R" thermostat lead, reset power, and put setup switch "SW1-1" in the ON position. To clear the status code history put setup switch "SW1-1" in the ON position and jumper thermostat terminals "R", "W/W1", and "Y/Y2" simultaneously until status code #11 is flashed. STATUS LED CODE CONTINUOUS OFF -...
  • Page 15 ACRDJ PRINTED CIRCIUT BOARD TRAN PL12 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 7 8 7 8 7 8 7 8 OFF OFF OFF OFF PRINTED CIRCIUT BOARD...
  • Page 20 [ ] Packaged Service Training [ ] Classroom Service Training A94328 Copyright 2005 CARRIER Corp. • 7310 W. Morris St. • Indianapolis, IN 46231 58mvb1sm Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.

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