Drawings & Flow Charts - Daikin VRV II RXYQ8MY1K Service Manual

Si39-502A
Drawings & Flow Charts Drawings & Flow Charts
Drawings & Flow Charts Drawings & Flow Charts
A
Abnormal Discharge Pipe Temperature ...............176
Abnormal Outdoor Fan Motor Signal ...................178
Actuation of High Pressure Switch .......................167
Actuation of Low Pressure Sensor .......................168
Address Duplication of Central Controller ............210
Address Duplication of Central Remote
Controller ......................................................210
Address Duplication, Improper Setting ........ 219
C
Centralized Control Group No. Setting .................102
BRC1A Type ..................................................102
Group No. Setting Example ...........................103
Check No. 1 .........................................................233
Check No. 2 .........................................................234
Check No. 3 .........................................................234
Check Operation not executed ............................200
Compressor Motor Lock .......................................169
Compressor Motor Overcurrent/Lock ...................170
Contents of Control Modes ..................................104
How to Select Operation Mode ......................105
Current Sensor Malfunction .................................180
D
Display "Under Centralized Control" Blinks
(Repeats Double Blink) .................................232
Display "Under Centralized Control" Blinks
(Repeats Single Blink) ..................................229
Display of sensor and address data .....................145
Drain Level above Limit .......................................160
Drain Pump Control ...............................................78
When the Float Switch is Tripped and "AF" is
Displayed on the Remote Controller ...79
When the Float Switch is Tripped During
Heating Operation ..............................79
When the Float Switch is Tripped While the
Cooling Thermostat is OFF ................78
When the Float Switch is Tripped While the
Cooling Thermostat is ON ..................78
E
Error of External Protection Device ......................151
F
Fan Motor (M1F) Lock, Overload .........................155
Field Setting from Outdoor Unit ...........................106
Mode changing procedure .............................110
Setting by dip switches ..................................108
Freeze Prevention ..................................................84
Functional Parts Layout .........................................46
I
Improper Combination of Indoor and Outdoor Units,
Indoor Unit and Remote Controller ...............209
Drawings & Flow Charts
Improper Combination of Optional Controllers for
Centralized Control .............................. 217
Inverter Compressor Abnormal ........................... 189
Inverter Current Abnormal ................................... 190
Inverter Over-Ripple Protection ........................... 194
Inverter Start up Error ......................................... 191
L
Louver Control for Preventing Ceiling Dirt ............. 80
,
226
Low Pressure Drop Due to Refrigerant Shortage or
Electronic Expansion Valve Failure ............. 196
M
Malfunction of Capacity Determination Device ... 161
Malfunction of Discharge Pipe Pressure
Sensor .......................................................... 186
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
Malfunction of Thermostat Sensor in Remote
Controller ..................................................... 165
Malfunction of Transmission Between Centralized
Controller and Indoor Unit .................... 211
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224
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220
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