Carrier Deluxe 58MVB Service And Maintenance Instructions

Also see for 120 Series: Installation, start-up, and operating instructions Installation, start-up, operating and service and maintenance instructions Manual Operating instructions

Contents

Carrier Deluxe 58MVB Service And Maintenance Instructions Manual pdf 4 page image

4COLLECTOR BOX TUBE(PINK)COLLECTOR BOXDRAIN TUBE(BLUE & WHITE STRIPED)COLLECTOR BOX DRAIN TUBE(BLUE)INDUCER HOUSING (MOLDED) DRAIN TUBE(BEHIND COLLECTOR BOX DRAIN TUBE)FIELD-INSTALLEDFACTORY-SUPPLIED DRAIN TUBECOUPLING (LEFT DRAIN OPTION)FIELD-INSTALLED FACTORY-SUPPLIED DRAIN TUBEFIELD-INSTALLEDFACTORY-SUPPLIED1/2-IN. CPVC STREETELBOWS (2) FOR LEFTDRAIN OPTIONFIELD-INSTALLEDFACTORY-SUPPLIED DRAINTUBE COUPLING (RIGHTDRAIN OPTION)COLLECTOR BOX TUBE (GREEN)CONDENSATE TRAPCAPPLUGBURNER ENCLOSURE PRESSUREREFERENCE TUBE ASSEMBLYA05110Fig. 5 --- Factory--Shipped Upflow Tube Configuration(Shown with Blower Access Panel Removed)5. Furnaces are equipped with permanent, washable filter(s).Clean filter by spraying cold tap water through filter in op-posite direction of airflow.6. Rinse filter and let dry. Oiling or coating filter is not rec-ommended.7. Slide filter into furnace.8. Recapture filter retaining wire.9. Replace blower access panel and main furnace door.10. Turn on electrical supply to furnace.Step 2—Blower Motor and Wheel MaintenanceTo ensure long life, economy, and high efficiency, cleanaccumulated dirt and grease from blower wheel and motorannually.The inducer and blower motors are pre--lubricated and require noadditional lubrication. These motors can be identified by theabsence of oil ports on each end of the motor.The following items should be performed by a qualified servicetechnician.Clean blower motor and wheel as follows:1. Turn off electrical supply to furnace.2. Remove main furnace door and blower access panel.3. Disconnect wiresAll factory wires can be left connected, but field thermo-stat connections may need to be disconnected dependingon their length and routing.4. Position control box, transformer, and door switch assem-bly to right side of furnace casing.5. If condensate trap is located in left-- or right--hand side offurnace casing, proceed to item 6. Otherwise remove trapand tubing as described below (See Fig. 5.):a. Disconnect field drain connection from condensatetrap.b. Disconnect drain and relief port tubes from condensatetrap.c. Remove condensate trap from blower shelf.6. Remove screws securing blower assembly to blower shelfand slide blower assembly out of furnace. Detach groundwire and disconnect blower motor harness plugs fromblower motor.NOTE: Blower wheel is fragile. Use care.7. Clean blower wheel and motor by using a vacuum withsoft brush attachment. Be careful not to disturb balanceweights (clips) on blower wheel vanes. Do not bend wheelor blades as balance will be affected.8. If greasy residue is present on blower wheel, removewheel from the blower housing and wash it with an ap-propriate degreaser. To remove wheel:a. Mark blower wheel location on shaft beforedisassembly to ensure proper reassembly.b. Loosen setscrew holding blower wheel on motor shaft.NOTE: Mark blower mounting arms and blower housing soeach arm is positioned at the same hole location duringreassembly.c. Mark blower wheel orientation and cutoff platelocation to ensure proper reassembly.d. Remove screws securing cutoff plate and removecutoff plate from housing.e. Remove bolts holding motor mounts to blowerhousing and slide motor and mounts out of housing.f. Remove blower wheel from housing.g. Clean wheel per instructions on degreaser cleaner. Donot get degreaser in motor.9. Reassemble motor and blower wheel by reversing items8b through 8f. Ensure wheel is positioned for proper rota-tion.NOTE: Be sure to attach ground wire and reconnect blowerharness plugs to blower motor.10. Reinstall blower assembly in furnace.11. Reinstall condensate trap and tubing if previously re-moved.a. Reinstall condensate trap in hole in blower shelf.b. Connect condensate trap drain tubes. See Fig. 5 ortubing diagram on main furnace door for proper tubelocation.58MVB