Drawings & Flow Charts - Daikin REYQ72 Serveice Manual

R-410a heat recovery 60hz
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SiUS39-602
Drawings & Flow Charts
Symbols
"E7"Malfunction of Outdoor Unit Fan Motor ......... 147
"F6"Refrigerant Overcharged .............................. 152
"H7"Abnormal Outdoor Fan Motor Signal ............ 153
"H9" Outdoor Unit
Malfunction of Thermistor for Outdoor Air
(R1T) ................................................ 154
"J4"Malfunction of Heat Exchanger Gas Pipe
Thermistor (R81, 82T) .................................. 157
"J8"Malfunction of Oil Equalizing Pipe Thermistor
(R7T) ............................................................ 161
"J9"Malfunction of Sub-cooling Heat Exchanger Gas
Pipe Thermistor (R5T) .................................. 162
"M1"PC Board Defect .......................................... 194
"M8"Malfunction of Transmission between Optional
Controllers for Centralized Control ....... 195
"MA"Improper Combination of Optional Controllers for
Centralized Control ............................... 196
"MC"Address Duplication,
Improper Setting ................................... 198
"U1"Reverse Phase, Open Phase ....................... 175
"U2"Power Supply Insufficient or Instantaneous
Failure .......................................................... 176
"U3"Check Operation not Executed ..................... 178
"U4"Malfunction of Transmission between Indoor
Units ............................................................. 179
"U5"Malfunction of Transmission between Remote
Controller and Indoor Unit ............................ 181
"U7"Malfunction of Transmission between Outdoor
Units ............................................................. 182
"U8"Malfunction of Transmission between MAIN and
SUB Remote Controllers .............................. 184
"U9"Malfunction of Transmission between Indoor
Units and Outdoor Units in the
Same System ............................................... 185
"UC"Address Duplication of Centralized Remote
Controller ...................................................... 188
"UE"Malfunction of Transmission Between
Centralized Controller and Indoor Unit ......... 199
"UE"Malfunction of Transmission between
Centralized Controller and Indoor Unit ......... 189
"UF" System is not Set yet ................................... 191
"UH"Malfunction of System, Refrigerant System
Address Undefined ....................................... 192
A
Abnormal Discharge Pipe Temperature .............. 151
Actuation of High Pressure Switch ...................... 143
Actuation of Low Pressure Sensor ...................... 144
Additional refrigerant charge total flow ................ 106
Drawings & Flow Charts
B
BRC4C Type ......................................................... 87
BRC7C Type ......................................................... 87
BRC7E Type .......................................................... 87
C
Centralized Control Group No. Setting .................. 86
BRC1C Type ................................................... 86
Group No. Setting Example ............................ 88
Change of dimension A ....................................... 249
Charge hose for R-410A ...................................... 252
Check No. 12 ....................................................... 213
Check No. 13 ....................................................... 213
Check No. 8 ......................................................... 212
Check No. 9 ......................................................... 212
,
202
CHECK OPERATION FUNCTION ...................... 108
Compressor Motor Lock (INV Compressor) ........ 145
,
203
Compressor Motor Overcurrent/Lock (STD
Compressor) ................................................. 146
,
205
Contents of Control Modes
How to Select Operation Mode ....................... 90
Current Sensor Malfunction ................................. 155
D
Display "Under Centralized Control" Blinks
(Repeats Double Blink) ................................. 211
Display "Under Centralized Control" Blinks
(Repeats Single Blink) .................................. 208
Display of sensor and address data .................... 121
Drain Level above Limit ....................................... 136
E
E7 ........................................................................ 147
Error of External Protection Device ..................... 127
Example of Connection (R-410A Type) ............... 236
Example of Transmission Line Connection ........... 99
External ON/OFF input .......................................... 84
F
F6 ........................................................................ 152
Fan Motor (M1F) Lock, Overload ........................ 131
Faulty Field Setting after Replacing Main PC Board or
Faulty Combination of PC Board .................. 173
Field Setting From Outdoor Unit
Mode changing procedure .............................. 92
Flaring tool ........................................................... 249
Forced fan ON ..................................................... 121
Freeze Prevention ................................................. 72
Functional Parts Layout ......................................... 29
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