Carrier T--298 service manual Model AirV

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Transport Air Conditioning

		R
2P	BLK		BRN
1	BLK		BRN
1
2	BLU		WHT
2
			GRN/YEL
	WHT			C	F
	WHT				H
					H
EVAP.			RED RED		BLU
	WHT		RED RED		BLU
	WHT
			R
		YEL		PTC
1	2	C	BLU	PTC
			BLU

S

SERVICE MANUAL

for

MODEL AirV

Rooftop Air Conditioning Systems

T--298 Rev D

Image 1

Contents Model AirV AirV General Safety Notices Safety SummaryOperating Precautions Maintenance PrecautionsSpecific Warnings and Cautions Specific Warning and Caution StatementsSafety 298 Table of Contents Table of Contents Figure Number List of FiguresTable Number List of TablesIntroduction Section DescriptionSerial Number Identification Design Change DescriptionsCeiling Unit Upper Unit RoofMANUAL--FORM no Equipment Covered Type of Manual Additional Support ManualsFor Part no Ceiling Unit Component Identification Free--Blow Component Identification -- Low Profile -- Upper Unit Component Listing--Ceiling Unit For Ducted Systems Return AIR Supply AIRFree Blow Type START--UP CationsRefrigerant CYCLE--STANDARD System Refrigerant Cycle -- Heat Pump Refrigerant Flow Schematic -- Heat Pump -- Cool Mode CoolingPage Section Troubleshooting Insufficient COOLING, Cooling AIR not Adequate Heater Cycles on Limit Switch HEAT/ Cool Version onlyCondenser AIR not Adequate Insufficient CoolingInadequate Heat HEAT--PUMP Clearing Diagnostic AlarmsPriority Malfunction Preventative Maintenance Section Service and MaintenanceService -- General Ceiling Grill -- Free Blow 3.3.3 Ceiling Panel Removal Indoor Thermostat 3.3.7 Air Sweep Removal Indoor Thermostat RemovalCeiling Unit -- Ducted Systems Control Box Assembly RemovalFilter Removal PCB Display Removal Service -- Upper Unit -- STANDARD, HC & HPFuse Removal 15 Control Box Compressor Replacement19 Motor Assembly Upper Scroll Assembly Removal23 Blower Wheel Air Handling System RemovalLine Voltage -- 10% 27 Upper Scroll Assembly Locking Tabs b. & Screw Locations c 30 Condenser Fan Assembly Retaining Ring 34 Evaporator Motor Locking Tabs Condenser Motor RemovalChange from Fahrenheit to Celsius will Capacitor RemovalBe permanent. It cannot be changed back to Fahrenheit38 Remote Control Components LCD Display SET Thermostat ConfigurationCheck Thermostat Operation Upper Unit Powerbox AssemblyThermostat Ac to ry Wiri ng Fie ld Wiri ng Thermostat Powerbox AssemblyUpper Unit Schematic -- Standard & HC Section Wiring SchematicsCeiling Unit Schematic -- Cooling Only Heat Pump -- Ceiling Unit -- Free Blow Heat Pump -- Upper Unit -- Ducted Wall Mounted Thermostats 10 Ceiling Unit -- Wall Thermostat -- Ducted & Free BlowCeiling Unit -- Ducted Systems Ceiling Unit -- Free Blow Index