ICP DLF4AH09J1A - Sensor Resistance Tables

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SERVICE MANUAL R−410A Ductless Split System: DLF4(A/H), DLC4(A/H)

421 08 9204 00 79

Table of Contents

Introduction1
Table of Contents1
Safety Considerations1
Product Specifications2
- Model Nomenclature16
- Serial Number Nomenclature16
- Accessory Condensate Pump Kit17
- Condensate Pump Kit Contents17
Standard Features and Accessories17
- Dimensions − Indoor18
- Dimensions − Outdoor19
- Unit Size − 0919
- Unit Size − 1219
- Unit Size − 1820
- Unit Size − 2420
- Unit Size − 3021
- Unit Clearance22
Clearances22
- System Operating Envelopes23
- 9K / 12K 115V System Operating Envelopes23
- 12K 230V System Operating Envelopes23
- 18K, 24K, and 30K 230V System Operating Envelopes24
- 36K 230V System Operating Envelopes24
- Electrical Data Table25
- Wiring25
Electrical Data25
- DLC4/DLF4 18K − 36K, 208/230−1−60 Connection Diagram26
- DLC4/DLF4 12K, 208/230−1−60 Connection Diagram26
- DLC4/DLF4 9K − 12K, 115−1−60 Connection Diagram26
Connection Diagrams26
Size 9K and 12K, 115V, Indoor Unit27
Wiring Diagrams27
- Size 9K and 12K, 115V, AC Outdoor Unit28
- Size 9K and 12K, 115V, HP Outdoor Unit28
- Size 12K and 18K, 230V, Indoor Unit29
- Size 24K, 230V, Indoor Unit30
- Size 12K, 230V, Outdoor Unit30
- Size 18K, 230V, AC, Outdoor Unit31
- Size 18K, 230V, HP, Outdoor Unit31
- Size 24K, 230V, AC, Outdoor Unit32
- Size 24K, 230V, HP, Outdoor Unit32
- Size 30K & 36K, 230V, AC & HP, Indoor Unit33
- Size30K, 230V, HP, Outdoor Unit34
- Size 36K, 230V, AC, Outdoor Unit34
- Size36K, 230V, HP, Outdoor Unit35
- Refrigerant System Diagram36
- Cooling Only Models Size 9K, 12K, 115V and Size 12K 18K, 24K 230 V36
- Cooling and Heating Models Size 12K, 115V and Size 12K 18K, 24K 230 V36
- Refrigerant Pipe Diameter36
- Cooling Only Models Size 36K 230 V37
- Cooling and Heating Models Size 30K, 36K 230 V37
- Refrigerant Line Routing38
- General Guidelines38
- Long Line Applications38
Refrigerant Lines38
- Final Tubing Check39
- Deep Vacuum Method39
- System Vacuum and Charge39
- Triple Evacuation Method39
System Evacuation and Charging39
Remote Control and Functions40
Control System40
- Remote Control Display, Size 09−2441
- Transmission Indicator41
- Fan Speed Display41
- Mode Display41
- Remote Control Display, Size 30−3642
- Function and Controls43
- Description of each Control Operation43
- Antifreeze Protection43
- Temperature Parameters43
- Fan Mode44
- Protection44
- COOL, HEAT, DRY and AUTO Modes44
- Overload Protection44
Modes of Operation44
- Display45
- Other Controls45
- SLEEP State Control45
- Indoor Fan Control45
- Detection of Temperature Sensor Malfunction46
- Input Current Control46
- Freeze−Up Protection Control46
- Heating Peak−Cut Control: Heat−Pump Only46
- Confirmation47
- Precautions for Performing Inspections and Repairs47
Troubleshooting47
UNITS 9K & 12K, 115 Volts48
Diagnostic Charts48
- UNIT 12K, 230 Volts49
- UNIT 18K & 24K, 230 Volts50
- UNITS 30K & 36K, 230 Volts54
9.1 Malfunction Analysis55
- Compressor Discharge Protection59
- Low Voltage Over−Current Protection59
- Communication Malfunction59
- Sensor Open or Short Circuit59
- Fault Diagnosis Process60
- Main Check Points60
- Basic System Check60
- IPM Protection61
- Energize and Switch on62
- High Temperature and Overload Protection Diagnosis63
- Start−Up Failure64
- Out of Step Diagnosis for the Compressor65
- Overload and Air Exhaust Malfunction Diagnosis66
- Power Factor Correct or (PFC) Fault67
- Capacitor Charging Malfunction (Outdoor Unit Malfunction)70
- Diagnosis for High Temperature, Overload Protection73
- Diagnosis for Failure Start up Malfunction74
- Diagnosis for Compressor Synchronization75
- Diagnosis for Overload and Discharge Malfunction76
Appendix79

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