Daikin VRV II RXYQ5MATL Service Manual page 327

L8 .........................................................................208
L9 .........................................................................209
LC .........................................................................210
List of Electrical and Functional Parts ..................283
Indoor Unit .....................................................287
Outdoor Unit ..................................................283
Louver Control for Preventing Ceiling Dirt ..............97
Low Pressure Drop Due to Refrigerant Shortage or
Electronic Expansion Valve Failure ..............214
Low Pressure Protection Control ...........................87
M
M1 ................................................................233, 240
M8 ................................................................234, 241
MA ................................................................235, 242
Malfunction code indication by outdoor unit
PC board .......................................................168
Malfunction of Capacity Determination Device ....180
Malfunction of Discharge Pipe Thermistor
(R3, R31~33T) ..............................................199
Malfunction of Drain Level Control
System (S1L) ................................................172
Malfunction of High Pressure Sensor ...................204
Malfunction of Inverter Radiating Fin Temperature
Rise ...............................................................206
Malfunction of Inverter Radiating Fin Temperature
Rise Sensor ..................................................213
Malfunction of Low Pressure Sensor ...................205
Malfunction of Moving Part of Electronic Expansion
Valve (20E) ...................................................177
Malfunction of Moving Part of Electronic Expansion
Valve (Y1E, Y2E) ..........................................192
Malfunction of Outdoor Unit Fan Motor ................190
Malfunction of Receiver Outlet Liquid Pipe
Thermistor (R6T) ...........................................202
Malfunction of Subcooling Heat Exchanger
Gas Pipe Thermistor (R5T) ...........................203
Malfunction of Swing Flap Motor (MA) .................175
Malfunction of System, Refrigerant System Address
Undefined ......................................................232
Malfunction of Thermistor (R1T) for Suction Air ...183
Malfunction of Thermistor (R2T) for Heat
Exchanger .....................................................181
Malfunction of Thermistor (R2T) for
Suction Pipe ..................................................200
Malfunction of Thermistor (R3T) for Gas Pipes ....182
Malfunction of Thermistor (R4T) for Outdoor
Unit Heat Exchanger Deicer .........................201
Malfunction of Thermostat Sensor in Remote
Controller ......................................................184
Malfunction of Transmission Between Centralized
Controller and Indoor Unit .....................229, 238
Malfunction of Transmission Between Indoor and
Outdoor Units in the Same System ...............225
Malfunction of Transmission Between
Indoor Units ...................................................219
Malfunction of Transmission Between
Inverter and Control PC Board ......................210
Malfunction of Transmission Between Main and
Sub Remote Controllers ................................224
ii
Malfunction of Transmission Between Optional
Controllers for Centralized Control ....... 234, 241
Malfunction of Transmission Between
Outdoor Units ............................................... 222
Malfunction of Transmission Between Remote
Controller and Indoor Unit ............................ 221
MC ............................................................... 237, 244
Method of Replacing The Inverter's Power
Transistors and Diode Modules ................... 302
O
Oil Return Operation ............................................. 78
Operation Lamp Blinks ........................................ 245
Operation Mode .................................................... 67
Operation When Power is Turned On ................. 110
Option List ........................................................... 292
Other Control ......................................................... 91
Outdoor Unit Fan Control in Cooling Operation .... 76
Outdoor Unit PC Board Layout ........................... 111
Outdoor Unit Rotation ........................................... 91
Outdoor Unit Thermistors for Discharge Pipe
(R3T, R31~33T) ........................................... 300
P
P1 ........................................................................ 212
P4 ........................................................................ 213
PC Board Defect ......................... 171, 185, 233, 240
Piping Installation Point ....................................... 295
The Example of A Wrong Pattern ................. 296
Power Supply Insufficient or Instantaneous
Failure .......................................................... 216
Precautions for New Refrigerant (R-410A) .......... 306
Pressure Equalization prior to Startup .................. 85
Pressure Sensor ................................................. 301
Procedure and Outline ........................................ 106
Protection Control ................................................. 86
Pump-down Residual Operation ........................... 81
R
Refrigerant Circuit ................................................. 44
RXYQ14MA, 16MA ......................................... 48
RXYQ5MA ...................................................... 44
RXYQ8MA, 10MA, 12MA ............................... 46
Refrigerant Cylinders .......................................... 308
Refrigerant Flow for Each Operation Mode ........... 53
RXYQ14MA, 16MA ......................................... 61
RXYQ5MA ...................................................... 53
RXYQ8MA, 10MA, 12MA ............................... 57
Refrigerant Overcharged ..................................... 195
Restart Standby .................................................... 82
Reverse Phase, Open Phase .............................. 215
S
Selection of Pipe Size, Joints and Header .......... 297
Service Tools ...................................................... 309
Setting by pushbutton switches ........................... 128
Setting Contents and Code No. .......................... 115
Setting of Low Noise Operation and Demand
Operation ..................................................... 141
Setting of Refrigerant Additional Charging
Operation ..................................................... 147
Si39-504
Index