Index - Panasonic U-4..6ML5XPQ Service Manual

Panasonic
A
A0 .........................................................................142
A1 .........................................................................143
A3 .........................................................................144
A6 .........................................................................146
A7 .........................................................................147
A8 .........................................................................149
A9 .........................................................................150
Abnormal Discharge Pipe Temperature ...............172
Abnormal Power Supply Voltage .........................149
About Refrigerant R-410A ....................................258
Actuation of High Pressure Switch .......................164
Actuation of Low Pressure Sensor .......................166
Address Duplication of Central Remote
Controller ......................................................201
Address Duplication, Improper Setting .................211
AF .........................................................................152
AJ .........................................................................153
Applicable range of Field setting ............................92
C
C1 .........................................................................154
C4 .........................................................................156
C5 .........................................................................157
C6 .........................................................................158
C9 .........................................................................159
CA ........................................................................160
CC ........................................................................161
Centralized Control Group No. Setting .................100
Check for causes of drop in low pressure ............219
Check for causes of rise in high pressure ............218
Check Operation ....................................................82
Check Operation not Executed ............................193
CJ .........................................................................162
Compressor PI Control ...........................................50
Contents of Control Modes ..................................102
Cool / Heat Mode Switching .................................113
Cooling Operation Fan Control ..............................52
D
Defrosting Operation ..............................................56
Demand Operation .................................................64
Detailed Explanation of Setting Modes ..................93
Discharge Pipe Protection Control .........................62
Display "Under Host Computer Integrate Control"
Blinks (Repeats Double Blink) ......................217
Display "Under Host Computer Integrate Control"
Blinks (Repeats Single Blink) ........................214
Drain Level above Limit ........................................152
Drain Pump Control ................................................65
E
E1 .........................................................................163
E3 .........................................................................164
E4 .........................................................................166
E5 .........................................................................168
E7 .........................................................................169
E9 .........................................................................170

Index

Electrical and Functional Parts
Outdoor Unit ................................................... 30
Electronic Expansion Valve PI Control .................. 51
Error of External Protection Device ..................... 142
Excessive Number of Indoor Units ...................... 200
F
F3 ........................................................................ 172
F6 ........................................................................ 173
Failure of Combination (Between Indoor unit PC
Board and Fan PC Board) ............................ 158
Failure of Transmission (Between Indoor unit PC
Board and Fan PC Board) ............................ 154
Fan Motor (M1F) Lock, Overload ........................ 146
Field Setting .......................................................... 87
Field Setting from Outdoor Unit ........................... 104
Field Setting from Remote Controller .................... 87
Freeze Prevention ................................................. 70
Functional Parts Layout ........................................ 44
H
H9 ........................................................................ 174
Heating Operation Prohibition ............................... 64
High Pressure Protection Control .......................... 60
High Voltage of Capacitor in
Main Inverter Circuit ..................................... 188
I
Improper Combination of Optional Controllers for
Centralized Control ...................................... 209
Inverter Compressor Abnormal ........................... 184
Inverter Compressor Motor Lock ......................... 168
Inverter Current Abnormal ................................... 185
Inverter Protection Control .................................... 63
Inverter Start up Error ......................................... 186
J
J3 ........................................................................ 175
J5 ........................................................................ 176
J6 ........................................................................ 177
J7 ........................................................................ 178
J9 ........................................................................ 179
JA ........................................................................ 180
JC ........................................................................ 181
L
L1 ........................................................................ 182
L4 ........................................................................ 183
L5 ........................................................................ 184
L8 ........................................................................ 185
L9 ........................................................................ 186
LC ........................................................................ 187
List of Electrical and Functional Parts
Indoor Unit ...................................................... 32
Louver Control for Preventing Ceiling Dirt ............. 67
Low Pressure Drop Due to Refrigerant Shortage or
Electronic Expansion Valve Failure .............. 189
Low Pressure Protection Control .......................... 61
Index
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