Carrier 58RAV Installation, Start-up, And Operating Instructions Manual

Also see for 58RAV Series: Manual Service and maintenance instructions Maintenance and service instructions Operation guide Installation, start-up, and operating instructions

Contents

a. Disconnect power to furnace and remove vent connectorfrom furnace outlet collar. Be sure to allow time for ventpipe to cool down before removing.b. Restore power to furnace and set room thermostat aboveroom temperature.c. After normal start-up, allow furnace to operate for 2minutes, then block flue outlet 100 percent. Furnace shouldcycle off within 2 minutes.d. Remove blockage and reconnect vent pipe to furnace outletcollar.e. Wait 5 minutes and then reset draft safeguard switch.3. Check pressure switch.This control proves operation of draft inducer blower.a. Turn off 115-v power to furnace.b. Remove control door and disconnect inducer motor leadwires from wire harness.c. Turn on 115-v power to furnace.d. Set thermostat to "call for heat" and wait 1 minute. Whenpressure switch is functioning properly, hot surface ignitorshould NOT glow and control center diagnostic lightflashes a 31 fault. If hot surface ignitor glows when inducermotor is disconnected, shut down furnace immediately.Determine reason pressure switch did not function properlyand correct condition.e. Turn off 115-v power to furnace.f. Reconnect inducer motor wires, replace control door, andturn on 115-v power to furnace.4. Check auxiliary limits (when used).a. Turn off 115-v power to furnace.b. Remove blower access door.c. Disconnect red motor lead at blower speed selector. Markterminal for proper re-connection.d. Replace blower access door.e. Turn on 115-v power to furnace. Be sure room thermostatis calling for heat.f. Allow furnace to operate until auxiliary limit activates, butDO NOT operate furnace longer than 4 minutes.g. If furnace operates for 4 minutes, check/replace limitswitch(es).h. Turn off 115-v power to furnace.i. Remove blower access door.j. Reconnect red motor lead, reset switch, and replace door.k. Turn on 115-v power to furnace.CHECKLIST1. Put away tools, instruments, and clean up debris.2. Verify manual reset switches have continuity.3. Ensure blower and control access doors are properly installed.4. Cycle test furnace with room thermostat.5. Check operation of accessories per manufacturer’s instruc-tions.6. Review User’s Manual with owner.7. Leave literature packet near furnace.Fig. 16—Amp Draw Check With AmmeterA80201R Y W G10 TURNSTHERMOSTAT SUBBASETERMINALS WITHTHERMOSTAT REMOVEDHOOK-AROUNDVOLT/AMMETEREXAMPLE: 5.0 AMPS ON AMMETER10 TURNS AROUND JAWS = 0.5 AMPS FOR THERMOSTAT SETTINGFROM UNIT 24-VOLTTERMINAL BLOCK15

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