Carrier T--298 service manual List of Figures, Figure Number

Page 8

TABLE OF CONTENTS - Continued

3.11 CHECK THERMOSTAT OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-16

3.11.1 Temperature Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-16

3.11.2 Timeguard Timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-17

3.11.3 Cycle Timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-17

3.11.4 Minimum On Timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-17

3.11.5 Error Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-17

WIRING SCHEMATICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1

4.1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1

LIST OF FIGURES

FIGURE NUMBER

Page

Figure 1-1 Model/Serial Number Plate (Typical)

1-1

Figure 1-2 Roof Unit Component Identification

1-3

Figure 1-3 Ceiling Unit Component Identification (Free-Blow)

1-4

Figure 1-4 Component Identification - Low Profile - Upper Unit

1-5

Figure 1-5 Component Listing-Ceiling Unit For Ducted Systems

1-6

Figure 1-6 Ducted System Air Flow Arrangement

1-7

Figure 1-7 Serial Number Locations

1-8

Figure 1-8 Refrigerant Flow Schematic (Standard System)

1-9

Figure 1-9 Refrigerant Flow Schematic - Heat Pump - (Cool Mode)

1-10

Figure 1-10 Refrigerant Flow Schematic - Heat Pump - (Heat Mode)

1-11

Figure 3-1 Filter Removal - Free Blow

3-1

Figure 3-2 Ceiling Grill - Free Blow

3-2

Figure 3-3 Ceiling Panel Assembly

3-2

Figure 3-4 Ceiling Panel With Heat Option

3-2

Figure 3-5 Control Box Assembly - Free Blow

3-2

Figure 3-6 Indoor Thermostat

3-3

Figure 3-7 Air sweep motor

3-3

Figure 3-8 Heat Strip Assembly

3-3

Figure 3-9 Filter Removal - Ducted Unit

3-4

Figure 3-10 Ceiling Grill - Ducted

3-4

Figure 3-11 Control Box & PCB Cover

3-4

Figure 3-12 Control Box Assembly - Ducted

3-5

Figure 3-13 Main/Display PCB’s

3-5

Figure 3-14 Cover Assembly - Standard

3-5

Figure 3-15 Control Box

3-6

Figure 3-16 Control Box Removal

3-6

Figure 3-17 Water Cover Removal

3-6

Figure 3-18 Upper Scroll Assembly

3-7

Figure 3-19 Motor Assembly

3-7

Figure 3-20 Spring Clamp Removal

3-7

Figure 3-21 Motor Clip Removal

3-7

Figure 3-22 Condenser Fan Removal

3-8

Figure 3-23 Blower Wheel

3-8

Figure 3-24 Condenser With Motor Assembly & Compressor

3-8

Figure 3-25 Set-Up For Discharging a Capacitor

3-9

iii

T--298

 

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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 UnitFor Part no Additional Support ManualsMANUAL--FORM no Equipment Covered Type of Manual 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 Refrigerant CYCLE--STANDARD System CationsSTART--UP 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 Service -- General Section Service and MaintenancePreventative Maintenance Ceiling Grill -- Free Blow 3.3.3 Ceiling Panel Removal Indoor Thermostat Removal Indoor Thermostat 3.3.7 Air Sweep RemovalFilter Removal Control Box Assembly RemovalCeiling Unit -- Ducted Systems Fuse Removal Service -- Upper Unit -- STANDARD, HC & HPPCB Display Removal Compressor Replacement 15 Control BoxUpper Scroll Assembly Removal 19 Motor AssemblyAir Handling System Removal 23 Blower WheelLine 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 Thermostat Powerbox AssemblyUpper Unit 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