Carrier 58HDX Service Manual

Also see for 58HDV: Installation instructions Owner's manual

Contents

4A07691Center Clipside-to-side9”(228.6 mm)Fig. 2 -- Bottom Filter ArrangementA07690Filter RackEnd CapFig. 3 -- Filter Installed for Side Inletf. Remove blower wheel from housing.UNIT DAMAGE HAZARDFailure to follow this caution may result in furnace componentfailure.The blower wheel should not be dropped or bent as balancewill be affected.CAUTION!g. Clean wheel per instructions on degreaser cleaner. Donot get degreaser cleaner in motor.9. Reassemble motor and blower wheel by reversing items 8bthrough 8f. Ensure wheel is positioned for proper rotation.Be sure to reattach ground wire. Tighten setscrew to 140 to160 in.--lb torque.10. Reinstall blower assembly in furnace.11. Reinstall control box, transformer, and door switchassembly on blower shelf.12. Reinstall condensate trap and tubing if previously removed.a. Reinstall condensate trap in hole in blower shelf.b. Connect condensate trap drain tubes. See Fig. 6, 7, or 8.NOTE: Ensure tubes are not kinked or pinched, as this willaffect operation.c. Connect field drain to condensate trap.13. Reconnect wires.Refer to furnace wiring diagram, and connect thermostat leads ifpreviously disconnected. (See Fig.20.)UNIT DAMAGE HAZARDFailure to follow this caution may result in unit componentdamage.Heating speed selection MUST be adjusted to provide propertemperature rise as specified on the rating plate.CAUTION!Table 1 – Speed SelectorCOLOR SPEEDFACTORYATTACHED TOBlack High CoolOrange Medium High HeatBlue Medium Low M1Red Low M2White Common Com14. Turn on electrical supply. Manually close blower accessdoor switch. Use a piece of tape to hold switch closed.Check for proper rotation by jumpering R to G.ELECTRICAL SHOCK HAZARDFailure to follow this warning could result in personal injuryor death.Blower access door switch opens 115-v power to furnacecontrol. No component operation can occur. Caution must betaken when manually closing this switch for service purposes.! WARNING15. If furnace is operating properly, remove tape to releaseblower access door switch, remove jumper across R to G,and replace blower access door.Procedure 3 — Cleaning BurnersThe following items should be performed by a qualified servicetechnician. If burners develop an accumulation of light dirt or dust,they may be cleaned by using the following procedure:1. Turn off gas and electrical supplies to furnace.2. Remove main furnace door.3. Using backup wrench, disconnect gas supply pipe fromfurnace gas control valve.ELECTRICAL SHOCK, UNIT DAMAGE HAZARDFailure to follow this caution may result in personal injury orfurnace component damage.Label all wires prior to disconnection when servicing controls.Wiring errors can cause improper and dangerous operation.CAUTION!58HDX