Carrier 58MSA User Manual

58MSA4-Way Multipoise Fixed-CapacityCondensing Gas FurnaceService and Maintenance InstructionsFor Sizes 040—120, Series 120 and 130NOTE: Read the enti

COMPONENT TEST SEQUENCENOTE: All components are functionally operated except the gasvalve.When the component test is initiated, the following sequence

Fig. 15—Wiring Diagram A00197PCBBLOWER OFF DELAYSELECTION CHART90 SEC135 SEC180 SEC225 SECGVRHI/LORELAYSEC-1SEC-2WHTPL1321654987LEDTEST/TWINBLOWEROFFD

Fig. 16—Service LabelA00307SERVICETo initiate the component test sequence, shut OFF the room thermostat ordisconnect the "R" thermostat lead

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Troubleshooting GuideA99123aIs circuit breaker closed?Close door switch and go to start.Is red LED status light on? Is door switch closed?Is red LED s

A99123b11 NO PREVIOUS FAULT - Faultsare erased after 48 hrs orwhenever power (115v or 24v) isinterrupted. Run system througha heating or cooling cycl

Blower access panel door switch opens 115-v power tocontrol center. No component operation can occur. Cautionmust be taken when manually closing this

Understand the signal words DANGER, WARNING, and CAU-TION. These words are used with the safety-alert symbol. DAN-GER identifies the most serious haza

Personal injury could result from sharp metal edges, etc. Usecare when removing parts.Step 1—Cleaning and/or Replacing Air FilterThe air filter arrang

10. Reinstall blower assembly in furnace.11. Reinstall condensate trap and tubing if previously removed.a. Reinstall condensate trap in hole in blower

Never use matches, candles, flame, or other sources ofignition to check for gas leakage. Use a soap-and-watersolution. Failure to follow this warning

Never use matches, candles, flame, or other sources ofignition to check for gas leakage. Use a soap-and-watersolution. Failure to follow this warning

3. Disconnect inducer motor and pressure switch wires orconnectors.4. Disconnect pressure switch tubes.5. Disconnect vent pipe from inducer housing ou

9. Verify ignitor operation by initiating control board self-testfeature or by cycling thermostat.10. Replace main furnace door.Step 7—Electrical Cont

Step 9—WinterizingFreezing condensate left in the furnace will damage theequipment.If the furnace will be off for an extended period of time in astruc