SERVICE MANUAL for MODEL AirV Rooftop Air Conditioning Systems

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SPECIFIC WARNING AND CAUTION STATEMENTSThe statements listed below are applicable to the refrigeration unit and appear elsewhere in this manual.These recommended precautions must be understood and applied during operation and maintenance of theequipment covered herein.SPECIFIC WARNINGS AND CAUTIONSWARNINGBe sure to observe warnings listed in the safety summary in the front of this manual beforeperforming maintenance on the AirV systemWARNINGBefore working on the unit be sure to first disconnect all electric power to the unit to avoid thepossibility of electrical shock and personal injury. Before disconnecting, discharge capacitorsby shorting across the capacitors terminals (Refer to paragraph 3.6.8)WARNINGShield coils with cardboard to protect hands against injury from sharp metal edges when removingcompressor and other components.WARNINGOil vapor in piping stubs can ignite from torch flame and cause serious injury. Exercise extremecare when brazing, and keep brazing cloth and fire extinguisher handy for emergencyuse.WARNINGDisconnect power to the AirV unit before checking the capacitor.WARNINGDo not touch the metal of the screwdriver when discharging the capacitor. You could receivea shock.WARNINGBefore installing thermostat, turn off all power to unit. There may be more than one powerdisconnect. Electrical shock can cause personal injury or death.CAUTIONIn order for the AirV systems to operate efficiently, a dedicated 115 Volt 20 Amp power connectionis required.T--298 Safety-- ii 10/09
CAUTIONDo not use carbon tetrachloride, solvents, or waxes containing solvents to clean plastic sections.CAUTIONCoil fins are sharp. Use care when removing the cover form the base pan to avoid personalinjury.CAUTIONThe change from Fahrenheit to Celsius will be permanent. It cannot be changed back to Fahrenheit.CAUTIONWhen re -assembling, ensure the battery springs are correctly placed in the battery springholders.CAUTIONImproper wiring or installation may damage thermostat. Wiring must conform to local andnational electrical codes.10/09Safety--iiiT-298
Page 1 and 2: RTransport Air Conditioning2P12BLKB
Page 3: SAFETY SUMMARYGENERAL SAFETY NOTICE
Page 7 and 8: TABLE OF CONTENTS - Continued:SERVI
Page 9 and 10: LIST OF FIGURES - Continued:Figure
Page 11 and 12: SECTION 1DESCRIPTION1.1 INTRODUCTIO
Page 13 and 14: TABLE 1 -2 MODEL CHARTCEILING UNITM
Page 15 and 16: 123451.2.CoverCondenser3. Evaporato
Page 17 and 18: 12395647810111.2.Cover AssemblyScro
Page 19 and 20: 1.4 SYSTEM (UNIT) INSTALLED DIMENSI
Page 21 and 22: 3.6”14” Opening24.1”1.65” 1
Page 23 and 24: 12354SCHEMATIC VIEW15SUPPLY AIR123S
Page 25 and 26: 1.6 AirV SYSTEM COMPONENT SPECIFI-C
Page 27 and 28: passes into the accumulator. The ac
Page 29 and 30: SECTION 2TROUBLESHOOTINGFor ducted
Page 31 and 32: SYSTEM AND PROBABLE CAUSEPROBABLE R
Page 33 and 34: SECTION 3SERVICE AND MAINTENANCE3.1
Page 35 and 36: 3.4.6 Indoor Thermostat RemovalTo r
Page 37 and 38: 115V AC12V DCPCB DisplayHolding Cli
Page 39 and 40: 3.5.9 Heat Pump ThermistorsOn the H
Page 41 and 42: c. Gently pry 4 snap clips open and
Page 43 and 44: 3.6.9 Capacitor Testing and Replace
Page 45 and 46: Evaporator CoilRetainingRingFigure
Page 47 and 48: NOTEWhen reassembling the blower wh
Page 49 and 50: 3.8 THERMOSTAT INSTALLATION AND STA
Page 51 and 52: 3.12.2 Timeguard TimerA 3--minute t
Page 53 and 54: UPPER UNITFactory WiringField Wirin
Page 55 and 56:
{115 VACSUPPLYWIRE“HOT”“NEUTR
Page 57 and 58:
PLUG CONNECTS TO CEILING UNIT.SEE D
Page 59 and 60:
“HOT”“NEUTRAL””GROUND”F
Page 61 and 62:
TTHERMOSTAT INSTALLATION AND START-
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SERVICE MANUAL for MODEL AirV Rooftop Air Conditioning Systems

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