Daikin VRV III REYQ8PY1 Service Manual page 449

Inverter Protection Control ...................................129
L
Louver Control for Preventing Ceiling Dirt ............146
Low Pressure Protection Control .........................126
M
Malfunction Code Indication by Outdoor Unit PC
Board ............................................................226
Malfunction of BS Unit Electronic Expansion
Valve .............................................................266
Malfunction of Capacity Determination Device ....245
Malfunction of Discharge Pipe Thermistor
(R31, 32T, 33T) .............................................272
Malfunction of Drain Level Control System
(S1L) .............................................................232
Malfunction of Electronic Expansion Valve Coil ...242
Malfunction of High Pressure Sensor ...................279
Malfunction of Indoor Unit Fan Motor ...................236
Malfunction of Inverter Radiating Fin Temperature
Rise ...............................................................285
Malfunction of Inverter Radiating Fin Temperature
Rise Sensor ..................................................300
Malfunction of Liquid Pipe Thermistor 1
(R6T) (R9T) or (R14T) ..................................276
Malfunction of Liquid Pipe Thermistor 2
(R7T or R15T) ...............................................277
Malfunction of Low Pressure Sensor ...................281
Malfunction of Moving Part of Electronic Expansion
Valve (Y1E~ Y5E) .........................................261
Malfunction of Outdoor Unit Fan Motor ................258
Malfunction of Subcooling Heat Exchanger Gas Pipe
Thermistor (R5T or R13T) .............................278
Malfunction of Swing Flap Motor (M1S) ...............238
Malfunction of System, Refrigerant System Address
Undefined ......................................................334
Malfunction of Temperature Sensor for Heat
Exchanger Gas (R2T or R11T) .....................273
Malfunction of Thermistor (R1T) for
Outdoor Air ....................................................270
Malfunction of Thermistor (R1T) for
Suction Air .....................................................248
Malfunction of Thermistor (R2T) for
Heat Exchanger ............................................246
Malfunction of Thermistor (R3T) for Gas Pipes ....247
Malfunction of Thermistor (R4T or R12T) for
Outdoor Unit Heat Exchanger .......................275
Malfunction of Thermistor (R8T or R10T) for
Suction Pipe ..................................................274
Malfunction of Thermostat Sensor in Remote
Controller ......................................................249
Malfunction of Transmission between Centralized
Controller and Indoor Unit .............................330
Malfunction of Transmission between Indoor and
Outdoor Units in the Same System ...............322
Malfunction of Transmission between
Indoor Units ...................................................311
Malfunction of Transmission between Inverter and
Control PC Board ..........................................295
Malfunction of Transmission between Main and Sub
Remote Controllers .......................................321
vi
Malfunction of Transmission between Optional
Controllers for Centralized Control ............... 337
Malfunction of Transmission between Remote
Controller and Indoor Unit ............................ 314
Master Unit Central Connector Setting Table ..... 353
Master-Slave Unit Setting Table ......................... 354
Method of Checking the Inverter's Power Transistors
and Diode Modules ...................................... 420
Momentary Overcurrent of Inverter
Compressor ......................................... 288
Monitor Mode ...................................................... 195
Motor Side Connectors ....................................... 347
O
Operating Priority and Rotation of
Compressors ................................................ 101
Operation Lamp Blinks ........................................ 341
Operation Mode .................................................... 98
Outdoor Unit Fan Control in
Cooling Operation ........................................ 109
Outdoor Unit PC Board Layout ........................... 168
Outline of Control ................................................ 133
Overload / Overcurrent / Lock of Indoor Unit
Fan Motor ..................................................... 237
P
PC Board Defect ................................. 231
Piping Diagrams .................................................. 362
BS Unit .......................................................... 371
Indoor Unit .................................................... 367
Outdoor Unit ................................................. 362
Piping Installation Point ....................................... 410
The Example of A Wrong Pattern ................. 411
Power Supply Insufficient or
Instantaneous Failure .................................. 307
Power Transistor Check ...................................... 349
Pressure Sensor ................................................. 419
R
Refrigerant Charging Operation Procedure ........ 161
Refrigerant Circuit ................................................. 50
BS Unit Functional Parts ................................. 60
Indoor Units .................................................... 61
REMQ10PY1, 12PY1 ..................................... 57
REMQ14PY1, 16PY1 ..................................... 59
REMQ8PY1 .................................................... 55
REYQ14P, 16P ............................................... 53
REYQ8P, 10P, 12P ........................................ 51
Refrigerant Flow for Each Operation Mode ........... 67
Operation of Refrigerant Regulator ................. 91
Pressure Equalizing when Switching Operation
Cooling/ Heating ................................ 92
REYQ14P, 16P ............................................... 75
REYQ18P, 20P ............................................... 83
REYQ8P, 10P, 12P ........................................ 67
Refrigerant Overcharged ..................................... 265
Remote Controller Self-Diagnosis Function ........ 223
Remote Controller Service Mode ........................ 221
Reverse Phase, Open Phase .............................. 306
Si37-701
,
290
, ,
250 336
Drawings & Flow Charts