Daikin VRV III RXYQ5-54PY1 Service Manual page 393

L5 .........................................................................262
L8 .........................................................................264
L9 .........................................................................266
LC .........................................................................268
List of Electrical and Functional Parts ..................348
Indoor Unit .....................................................351
Outdoor Unit ..................................................348
Louver Control for Preventing Ceiling Dirt ............131
Low Pressure Drop Due to Refrigerant Shortage or
Electronic Expansion Valve Failure ..............275
Low Pressure Protection Control .........................119
M
M1 ........................................................................297
M8 ........................................................................298
MA ........................................................................300
Malfunction code indication by
outdoor unit PC board ...................................216
Malfunction of Capacity Determination Device ....230
Malfunction of Discharge Pipe Thermistor
(R3, R31~33T) ..............................................253
Malfunction of Drain Level Control System
(S1L) .............................................................222
Malfunction of High Pressure Sensor ...................258
Malfunction of Inverter Radiating Fin Temperature
Rise ...............................................................260
Malfunction of Inverter Radiating Fin Temperature
Rise Sensor ..................................................272
Malfunction of Liquid Pipe Thermistor (R6T) ........256
Malfunction of Low Pressure Sensor ...................259
Malfunction of Moving Part of Electronic Expansion
Valve (Y1E) ...................................................227
Malfunction of Moving Part of Electronic Expansion
Valve (Y1E, Y2E) ..........................................246
Malfunction of Outdoor Unit Fan Motor ................243
Malfunction of Subcooling Heat Exchanger Gas Pipe
Thermistor (R5T) ...........................................257
Malfunction of Swing Flap Motor (M1S) ...............225
Malfunction of System, Refrigerant System Address
Undefined ......................................................295
Malfunction of Thermistor (R1T) for Suction Air ...233
Malfunction of Thermistor (R2T) for
Heat Exchanger ............................................231
Malfunction of Thermistor (R2T), (R7T)
for Suction Pipe .............................................254
Malfunction of Thermistor (R3T) for Gas Pipes ....232
Malfunction of Thermistor (R4T) for Outdoor Unit Heat
Exchanger .....................................................255
Malfunction of Thermostat Sensor in Remote
Controller ......................................................234
Malfunction of Transmission Between Centralized
Controller and Indoor Unit .............................291
Malfunction of Transmission Between Indoor and
Outdoor Units in the Same System ...............287
Malfunction of Transmission Between
Indoor Units ...................................................281
Malfunction of Transmission Between Inverter and
Control PC Board ..........................................268
Malfunction of Transmission Between Main and Sub
Remote Controllers .......................................286
ii
Malfunction of Transmission Between Optional
Controllers for Centralized Control ............... 298
Malfunction of Transmission Between
Outdoor Units ............................................... 284
Malfunction of Transmission Between Remote
Controller and Indoor Unit ............................ 283
MC ....................................................................... 302
Method of Checking The Inverter's Power Transistors
and Diode Modules ...................................... 368
O
Oil Return Operation ........................................... 111
Operation Lamp Blinks ........................................ 305
Operation Mode .................................................... 93
Operation When Power is Turned On ................. 159
Option List ........................................................... 357
Other Control ....................................................... 123
Outdoor Air Processing Unit-Field Setting ........... 169
Outdoor Unit Fan Control in
Cooling Operation ........................................ 108
Outdoor Unit PC Board Layout ........................... 160
Outdoor Unit Rotation ......................................... 123
Outdoor Unit Thermistors for Discharge Pipe ..... 366
P
P1 ........................................................................ 271
P4 ........................................................................ 272
PC Board Defect ................................. 221, 235, 297
Piping Installation Point ....................................... 361
The Example of A Wrong Pattern ................. 362
PJ ........................................................................ 274
Power Supply Insufficient or
Instantaneous Failure ................................... 277
Precautions for New Refrigerant (R-410A) .......... 372
Pressure Sensor ................................................. 367
Procedure and Outline ........................................ 145
Protection Control ............................................... 118
Pump-down Residual Operation ......................... 114
R
Refrigerant Circuit ................................................. 60
FXMQ125MFV1~250MFV1 ............................ 68
RXYQ10P, 12P ............................................... 64
RXYQ14P, 16P, 18P ...................................... 66
RXYQ5P ......................................................... 60
RXYQ8P ......................................................... 62
Refrigerant Cylinders .......................................... 374
Refrigerant Flow for Each Operation Mode ........... 74
RXYQ10P, 12P ............................................... 82
RXYQ14P, 16P, 18P ...................................... 86
RXYQ5P ......................................................... 74
RXYQ8P ......................................................... 78
Refrigerant Overcharged ..................................... 249
Restart Standby .................................................. 115
Reverse Phase, Open Phase .............................. 276
S
Selection of Pipe Size, Joints and Header .......... 363
Service Tools ...................................................... 375
Setting by pushbutton switches ........................... 178
Setting Contents and Code No. .......................... 164
Si34-601A
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