Daikin VRV II RXYQ8MY1K Service Manual page 305

L
L4 .........................................................................188
L5 .........................................................................189
L8 .........................................................................190
L9 .........................................................................191
LC .........................................................................192
List of Electrical and Functional Parts ..................263
Indoor Unit .....................................................264
Outdoor Unit ..................................................263
Louver Control for Preventing Ceiling Dirt ..............80
Low Pressure Drop Due to Refrigerant Shortage or
Electronic Expansion Valve Failure ..............196
Low Pressure Protection Control ...........................70
M
M1 ................................................................215, 222
M8 ................................................................216, 223
MA ................................................................217, 224
Malfunction code indication by outdoor unit
PC board .......................................................149
Malfunction of Capacity Determination Device ....161
Malfunction of Discharge Pipe Thermistor
(R3, R31 or 32T) ...........................................181
Malfunction of Drain Level Control System
(S1L) .............................................................153
Malfunction of High Pressure Sensor ...................186
Malfunction of Inverter Radiating Fin Temperature
Rise ...............................................................188
Malfunction of Inverter Radiating Fin Temperature
Rise Sensor ..................................................195
Malfunction of Low Pressure Sensor ...................187
Malfunction of Moving Part of Electronic Expansion
Valve (20E) ...................................................158
Malfunction of Moving Part of Electronic Expansion
Valve (Y1E, Y2E) ..........................................174
Malfunction of Outdoor Unit Fan Motor ................172
Malfunction of Receiver Outlet Liquid Pipe
Thermistor (R6T) ...........................................184
Malfunction of Subcooling Heat Exchanger Gas
Pipe Thermistor (R5T) ..................................185
Malfunction of Swing Flap Motor (MA) .................156
Malfunction of System, Refrigerant System
Address Undefined .......................................214
Malfunction of Thermistor (R1T) for Outdoor Air ..179
Malfunction of Thermistor (R1T) for Suction Air ...164
Malfunction of Thermistor (R2T) for Heat
Exchanger .....................................................162
Malfunction of Thermistor (R2T) for Suction
Pipe ...............................................................182
Malfunction of Thermistor (R3T) for Gas Pipes ....163
Malfunction of Thermistor (R4T) for Outdoor Unit
Heat Exchanger Deicer .................................183
ii
Malfunction of Thermostat Sensor in Remote
Controller ...................................................... 165
Malfunction of Transmission Between Centralized
Controller and Indoor Unit .................... 211, 220
Malfunction of Transmission Between Indoor and
Outdoor Units in the Same System .............. 207
Malfunction of Transmission Between
Indoor Units .................................................. 201
Malfunction of Transmission Between Inverter and
Control PC Board ......................................... 192
Malfunction of Transmission Between Main and
Sub Remote Controllers ............................... 206
Malfunction of Transmission Between Optional
Controllers for Centralized Control ....... 216, 223
Malfunction of Transmission Between
Outdoor Units ............................................... 204
Malfunction of Transmission Between Remote
Controller and Indoor Unit ............................ 203
MC ............................................................... 219, 226
Method of Replacing The Inverter's Power Transistors
and Diode Modules ...................................... 280
O
Oil Return Operation ............................................. 61
Operation Lamp Blinks ........................................ 227
Operation Mode .................................................... 53
Operation When Power is Turned On ................... 92
Option List ........................................................... 269
Other Control ......................................................... 74
Outdoor Unit Fan Control in Cooling Operation .... 59
Outdoor Unit PC Board Layout ............................. 93
Outdoor Unit Rotation ........................................... 74
Outdoor Unit Thermistors for Discharge Pipe ..... 278
P
P1 ........................................................................ 194
P4 ........................................................................ 195
PC Board Defect ......................... 152, 166, 215, 222
Piping Installation Point ....................................... 272
Power Supply Insufficient or Instantaneous
Failure .......................................................... 198
Precautions for New Refrigerant (R-410A) .......... 284
Pressure Equalization prior to Startup .................. 68
Pressure Sensor ................................................. 279
Procedure and Outline .......................................... 88
Protection Control ................................................. 69
Pump-down Residual Operation ........................... 64
R
Refrigerant Circuit ................................................. 44
RXYQ8M, 10M ................................................ 44
Refrigerant Cylinders .......................................... 286
Refrigerant Flow for Each Operation Mode ........... 47
RXYQ8M, 10M ................................................ 47
Refrigerant Overcharged ..................................... 177
Restart Standby .................................................... 65
Reverse Phase, Open Phase .............................. 197
Si39-502A
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