Carrier T--298 service manual Condenser Motor Removal, Evaporator Motor Locking Tabs

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3.6.4 Condenser Motor Removal

To remove condenser fan motor, do the following: a. Perform steps outlined in Section 3.6.2.

b. Remove (3) 13MM bolts (See Figure 3-31).

c. Remove (3) Grommets. Inspect, replace or reuse.

d. Cut Tie--Wraps & discard (2 locations). When re- assembling, tie--wrap at same 2 locations.

e. Remove ground wire from compressor bracket (See Figure 3-33).

f.Un--plug (yellow/brown/white) from control box as- sembly.

g.Reverse above procedure for reassembly.

Cond. Motor

Ground Screw

Comp. Mounting Bolt

Figure 3-33 Condenser Motor Ground

3.6.5Evaporator Motor/Blower Assembly Removal

To remove the evaporator motor, do the following: a. Perform steps outlined in Section 3.6.2.

b. Pull back on and release the (4) locking tabs. There are 2 on each side of the control box assembly. (See Figure 3-34).

c.Lift control box assembly from lower scroll assembly, exposing evaporator motor.

d.Un--plug (black/blue/white/brown) evaporator motor from control box assembly.

e.Remove ground wire (green/yellow) from motor housing.

f.Lift motor/blower assembly from lower scroll assem- bly cradle.

g.Carefully remove the blower wheel from the evapora- tor motor shaft by pushing out from the motor side.

Blower Side Locking Tabs

Outside Locking Tabs

Figure 3-34 Evaporator Motor Locking Tabs

Lower Scroll

Assembly

Capacitor

Cradle

Figure 3-35 Evaporator Motor/Blower Assembly

In Cradle

T--298

3-12

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Contents Model AirV AirV Safety Summary General Safety NoticesOperating Precautions Maintenance PrecautionsSpecific Warning and Caution Statements Specific Warnings and CautionsSafety 298 Table of Contents Table of Contents List of Figures Figure NumberList of Tables Table NumberSection Description IntroductionSerial Number Identification Design Change DescriptionsUpper Unit Roof Ceiling UnitAdditional Support Manuals MANUAL--FORM no Equipment Covered Type of ManualFor Part no Ceiling Unit Component Identification Free--Blow Component Identification -- Low Profile -- Upper Unit Component Listing--Ceiling Unit For Ducted Systems Supply AIR Return AIRFree Blow Type Cations START--UPRefrigerant CYCLE--STANDARD System Refrigerant Flow Schematic -- Heat Pump -- Cool Mode Cooling Refrigerant Cycle -- Heat PumpPage Section Troubleshooting Heater Cycles on Limit Switch HEAT/ Cool Version only Insufficient COOLING, Cooling AIR not AdequateCondenser AIR not Adequate Insufficient CoolingClearing Diagnostic Alarms Inadequate Heat HEAT--PUMPPriority Malfunction Section Service and Maintenance Preventative MaintenanceService -- General Ceiling Grill -- Free Blow 3.3.3 Ceiling Panel Removal Indoor Thermostat Removal Indoor Thermostat 3.3.7 Air Sweep RemovalControl Box Assembly Removal Ceiling Unit -- Ducted SystemsFilter Removal Service -- Upper Unit -- STANDARD, HC & HP PCB Display RemovalFuse Removal Compressor Replacement 15 Control BoxUpper Scroll Assembly Removal 19 Motor AssemblyAir Handling System Removal 23 Blower Wheel Line Voltage -- 10% 27 Upper Scroll Assembly Locking Tabs b. & Screw Locations c 30 Condenser Fan Assembly Retaining Ring Condenser Motor Removal 34 Evaporator Motor Locking TabsCapacitor Removal Change from Fahrenheit to Celsius willBe permanent. It cannot be changed back to Fahrenheit38 Remote Control Components SET Thermostat Configuration LCD DisplayCheck Thermostat Operation Powerbox Assembly Upper UnitThermostat Thermostat Powerbox Assembly Ac to ry Wiri ng Fie ld Wiri ngSection Wiring Schematics Upper Unit Schematic -- Standard & HCCeiling Unit Schematic -- Cooling Only Heat Pump -- Ceiling Unit -- Free Blow Heat Pump -- Upper Unit -- Ducted 10 Ceiling Unit -- Wall Thermostat -- Ducted & Free Blow Wall Mounted ThermostatsIndex Ceiling Unit -- Ducted Systems Ceiling Unit -- Free Blow