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Daikin D-Series User Manual

Daikin D-Series
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Si18-525B
vi Table of Contents
5.6 Swing Flap Motor Malfunction / Lock ...................................................347
5.7 Malfunction of Capacity Setting............................................................349
5.8 Malfunction of Heat Exchanger Thermistor (R2T)................................350
5.9 Malfunction of Heat Exchanger Thermistor (R3T)................................351
5.10 Malfunction of Suction Air Thermistor ..................................................352
5.11 Malfunction of Remote Controller Thermistor.......................................353
5.12 Transmission Error (between Indoor Unit and Remote Controller) ......354
5.13 Transmission Error (between Main and Sub Remote Controller).........355
5.14 Malfunction of Field Setting Switch ......................................................356
5.15 Check ...................................................................................................357
6. Troubleshooting for BP Unit................................................................359
6.1 Malfunction of Electronic Expansion Valve ..........................................359
6.2 Faulty BP Unit PCB..............................................................................360
6.3 Faulty BP Liquid or Gas Pipe Thermistor.............................................361
6.4 Transmission Error between Indoor Unit and BP Unit..........................362
6.5 Transmission Error between Outdoor Unit and BP Unit.......................364
6.6 Check ...................................................................................................365
7. Troubleshooting for Outdoor Unit........................................................366
7.1 Faulty Outdoor Unit PCB......................................................................366
7.2 Actuation of High Pressure Switch.......................................................367
7.3 Actuation of Low Pressure Switch........................................................368
7.4 Compressor Motor Lock.......................................................................369
7.5 Malfunction of Outdoor Unit Fan Motor ................................................370
7.6 Malfunction of Moving Part of Electronic Expansion Valve ..................371
7.7 Abnormal Discharge Pipe Temperature...............................................372
7.8 Malfunction of Thermistor for Outdoor Air (R1T)..................................373
7.9 Malfunction of Discharge Pipe Thermistor (R3T) .................................374
7.10 Malfunction of Thermistor (R2T) for Suction Pipe ................................375
7.11 Malfunction of Thermistor (R4T) for Outdoor Unit Heat Exchanger .....376
7.12 Malfunction of Receiver Gas Pipe Thermistor (R5T)............................377
7.13 Outdoor Unit: Malfunction of High Pressure Sensor ............................378
7.14 Malfunction of Low Pressure Sensor....................................................379
7.15 Malfunction of Inverter Radiating Fin Temperature Rise......................380
7.16 Inverter Compressor Abnormal ............................................................381
7.17 Inverter Current Abnormal....................................................................382
7.18 Inverter Start up Error...........................................................................383
7.19 Malfunction of Transmission between Inverter and Control PCB.........384
7.20 Malfunction of Inverter Radiating Fin Temperature Rise Sensor .........386
7.21 Faulty Combination of Inverter and Fan Driver ....................................387
7.22 Low Pressure Drop Due to Refrigerant Shortage or
Electronic Expansion Valve Failure......................................................388
7.23 Power Supply Insufficient or Instantaneous Failure .............................389
7.24 Check Operation not Executed ............................................................391
7.25 Malfunction in other Indoor Unit or other BP Unit.................................392
7.26 Mismatching of Indoor Unit, BP Unit and Outdoor Unit........................393
7.27 Refrigerant System not Set, Incompatible Wiring/Piping......................394
7.28 Malfunction of System, Refrigerant System Address Undefined..........395
8. Check..................................................................................................396
9. Thermistor Resistance / Temperature Characteristics........................398
10.Pressure Sensor .................................................................................400

Table of Contents

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Daikin D-Series Specifications

General IconGeneral
HSPF RatingUp to 10.0
Cooling Capacity9, 000 - 36, 000 BTU/h
Heating Capacity9, 000 - 36, 000 BTU/h
Energy Efficiency Ratio (EER)Up to 12.5
Sound Level19 - 50 dB (Indoor), 49 - 60 dB (Outdoor)
Noise Level19 - 50 dB (Indoor), 49 - 60 dB (Outdoor)
Power Supply208/230V, 1-phase, 60Hz

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