Indoor Unit Outdoor Unit CS-PS9NKV CS-PS12NKV CS ... - Panasonic

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14. Troubleshooting Guide14.1 Refrigeration Cycle SystemIn order to diagnose malfunctions, ensure the air conditioner is freefrom electrical problems before inspecting the refrigeration cycle.Such problems include insufficient insulation, problem with thepower source, malfunction of a compressor and a fan. The normaloutlet air temperature and pressure of the refrigeration cycledepends on various conditions, the standard values for them areshown in the table to the right.Normal Pressure and Outlet Air Temperature (Standard)Gas Pressure Outlet airMpaTemperature(kg/cm 2 G)(°C)Cooling Mode 0.9 ~ 1.2 (9 ~ 12) 12 ~ 16Condition: <strong>Indoor</strong> fan speed = High<strong>Outdoor</strong> temperature = 35°C at cooling mode.Compressor operate at rated frequencyDifferent in the intakeand outletair temperaturesMore than 8°C(15 minutes after anoperation is started) atcooling mode.Normal• Measuring the airtemperature differentLess than 8°C at the cooling modeValue of electric currentduring operationHigher than specifiedDusty condenserpreventing heat radiation• Measuring electric currentduring operationExcessive amountof refrigerantLower than specifiedGas sidepressureCoolingModeHighInefficient compressor• Measuring gas sidepressureLowInsufficient refrigerantLowClogged strainer orcapillary cube56
14.1.1 Relationship between the condition of the air conditioner and pressure andelectric currentCondition of theCooling Modeair conditioner Low Pressure High Pressure Electric current during operationInsufficient refrigerant(gas leakage)Clogged capillary tube orstrainer Short circuit in the indoor unit Heat radiation deficiencyof the outdoor unit Inefficient compression • Carry out the measurement of pressure, electric current, and temperature fifteen minutes after an operation is started.57
Page 1 and 2:
Order No: PHAAM1201103C3Indoor Unit
Page 3 and 4:
1. Safety Precautions• Read the f
Page 5 and 6: 2. SpecificationCoolingModelIndoor
Page 7 and 8: CoolingModelIndoor CS-PS18NKV CS-PS
Page 9 and 10: 3. Location of Controls and Compone
Page 11 and 12: 4.1.2 CS-PS18NKV CS-PS24NKV11
Page 13 and 14: 4.2.3 CU-PS24NKV13
Page 15 and 16: 5.2 CS-PS18NKV CU-PS18NKV CS-PS24NK
Page 17 and 18: 6.2 CS-PS12NKV CU-PS12NKV17
Page 19 and 20: 6.4 CS-PS24NKV CU-PS24NKV19
Page 23 and 24: 7.2.2 CU-PS12NKVResistance of Compr
Page 25 and 26: 7.2.4 CU-PS24NKVResistance of Compr
Page 33 and 34: 9.1.1.2 CS-PS18NKV CS-PS24NKV9.1.2
Page 35 and 36: 9.2.1.2 CU-PS12NKV35
Page 37 and 38: 9.2.1.4 CU-PS24NKV37
Page 39 and 40: 10. Installation Instruction10.1 Se
Page 41 and 42: 10.2.3 Indoor Unit Installation10.2
Page 43 and 44: Note:• Isolating Devices (Disconn
Page 45 and 46: 10.3.3 Evacuation of the EquipmentW
Page 47 and 48: 11. Operation Control11.1 Basic Fun
Page 49 and 50: 11.4 Airflow Direction• There are
Page 51 and 52: 12. Protection Control12.1 Restart
Page 53 and 54: 12.10 Cooling Overload Control• P
Page 55: 13.2 Remote Control Button13.2.1 SE
Page 59 and 60: 14.3 Error Code TableDiagnosisEmerg
Page 61 and 62: 14.4.2 H12 (Indoor/Outdoor Capacity
Page 63 and 64: 14.4.4 H15 (Compressor Temperature
Page 65 and 66: 14.4.6 H19 (Indoor Fan Motor - DC M
Page 67 and 68: 14.4.8 H27 (Outdoor Air Temperature
Page 69 and 70: 14.4.10 H33 (Unspecified Voltage be
Page 71 and 72: 14.4.12 H99 (Indoor Freeze Preventi
Page 73 and 74: 14.4.14 F90 (Power Factor Correctio
Page 75 and 76: 14.4.16 F93 (Compressor Rotation Fa
Page 77 and 78: 14.4.18 F96 (IPM Overheating)Malfun
Page 79 and 80: 14.4.20 F98 (Input Over Current Det
Page 81 and 82: 15. Disassembly and Assembly Instru
Page 83 and 84: 15.1.4 To remove control board12. R
Page 85 and 86: WARNINGHigh Voltage is generated in
Page 87 and 88: 15.2.4 To remove control boardFigur
Page 89 and 90: 16. Technical Data16.1 Operation Ch
Page 91 and 92: 16.1.2 CS-PS12NKV CU-PS12NKV• Coo
Page 97 and 98: 17. Exploded View and Replacement P
Page 99 and 100: 17.1.2 CS-PS18NKV CS-PS24NKVNoteThe
Page 101 and 102: 17.2 Outdoor Unit17.2.1 CU-PS9NKVNo
Page 103: 17.2.2 CU-PS12NKVNoteThe above expl
Page 106 and 107:
REF. NO. DESCRIPTION & NAME QTY CU-
Page 108:
REF. NO. DESCRIPTION & NAME QTY CU-
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Indoor Unit Outdoor Unit CS-PS9NKV CS-PS12NKV CS ... - Panasonic

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