Carrier 42NQV025H Service Manual

Contents

– 90 –11-9-2. Indoor Unit (Other Parts)11-9-3. Outdoor UnitNo.1Part nameRoom temp. (TA) sensorHeat exchanger (TC) sensorChecking procedureDisconnect the connector and measure the resistance value with tester.(Normal temp.)No.1Part nameCompressor(Model : DA111A1F-20F1)Checking procedureMeasure the resistance value of winding by using the tester.RedWhite BlackRedWhite BlackMeasure the resistance value of winding by using the tester.Resistance value1435 ± 144ΩUnder 20°CMeasure the resistance value of winding by using the tester.COMCOM2 5 4YWR BL1GR6O3PositionGray - WhiteGray - OrangeRed- YellowRed- BlueResistance value43 to 49Ω43 to 49Ω43 to 49Ω43 to 49ΩTemperatureSensorTA, TC (kΩ)10°C 20°C 25°C 30°C 40°C20.7 12.6 10.0 7.9 4.554321WhiteYellowYellowYellowYellow 54321Refer to 11-5-1. (5).Measure the resistance value of each winding coil by using the tester.(Under normal temp. 25°C)Position1 to 21 to 31 to 41 to 5Resistance value250 ± 20ΩRefer to 11-5-1. (3) and (4).Under 20°CDisconnect the connector, and measure resistance value with the tester.(Normal temperature)Outdoor temperature sensor(TO), discharge temperaturesensor (TD), suctiontemperature sensor (TS),outdoor heat exchangertemperature sensor (TE)TemperatureSensorTD (kΩ )TO,TS,TE (kΩ )10°C 20°C 25°C 30°C 40°C 50°C100 64 50 41 27 1820.7 12.6 10.0 7.9 4.5 —23Remote controllerLouver motorMP24Z3T4 Indoor fan motorMeasure the resistance value of each winding by using the tester.PositionRed - WhiteWhite - BlackBlack - RedResistance value0.88 to 0.98Ω Under 20ºCDA111A1F-20F1 DA89X1C-1F-23FZ1.04 to 1.16ΩPositionRed - WhiteWhite - BlackBlack- RedResistance value20 to 22Ω20 to 22Ω20 to 22Ω2345Outdoor fan motor(Model : ICF-140-43-4R)4-way valve coil(Model : VHV)Pulse motor valve coil(Model : C12A01A)38NYV035H, 38NYV045H,(Model : DA89X1C-23FZ)38NYV025H, 38NYV035M38NYV045MFILE NO. SVM-07013