Index
i
Index
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
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
Panasonic
Summary of Contents for U-4..6ML5XPQ
Page 1: ...Service Manual U 4 6ML5XPQ DPQ Urban Multi Mini UM Heat Pump ...
Page 2: ......
Page 12: ...Introduction x Urban Multi ML5 Mini UM Heat Pump ...
Page 37: ...Specifications Specifications 25 Panasonic ...
Page 38: ...Specifications 26 Specifications Urban Multi ML5 Mini UM Heat Pump ...
Page 39: ...Specifications Specifications 27 Panasonic ...
Page 40: ...Specifications 28 Specifications Urban Multi ML5 Mini UM Heat Pump ...
Page 134: ...Field Setting 122 Test Operation Urban Multi ML5 Mini UM Heat Pump ...
Page 235: ...Piping Diagrams Appendix 223 U 4 5 6ML5DPQ 3D052712 Panasonic ...
Page 238: ...Piping Diagrams 226 Appendix Urban Multi ML5 Mini UM Heat Pump ...
Page 240: ...Wiring Diagrams 228 Appendix U 4 5 6ML5DPQ 3D05811B Urban Multi ML5 Mini UM Heat Pump ...
Page 241: ...Wiring Diagrams Appendix 229 2 2 Field Wiring U 4 5 6ML5XPQ 3D057919 Panasonic ...
Page 242: ...Wiring Diagrams 230 Appendix U 4 5 6ML5DPQ 3D052597 Urban Multi ML5 Mini UM Heat Pump ...
Page 243: ...Wiring Diagrams Appendix 231 2 3 Indoor Unit S 20 25 32 63LM3HPQ Panasonic ...
Page 244: ...Wiring Diagrams 232 Appendix S 40 50 80 125LM3HPQ Urban Multi ML5 Mini UM Heat Pump ...
Page 245: ...Wiring Diagrams Appendix 233 S 20 25 32 40 50 63 80 100 125UM4JPQ Panasonic ...
Page 246: ...Wiring Diagrams 234 Appendix S 20 25 32 40 50YM3HPQ Urban Multi ML5 Mini UM Heat Pump ...
Page 247: ...Wiring Diagrams Appendix 235 S 25 32 40 63DM3HPS 3D039564C Panasonic ...
Page 248: ...Wiring Diagrams 236 Appendix S 20 25NM3HPQ Urban Multi ML5 Mini UM Heat Pump ...
Page 249: ...Wiring Diagrams Appendix 237 S 20 25 32 40 50 63FM3HPQ Panasonic ...
Page 250: ...Wiring Diagrams 238 Appendix S80 100 125FM3HPQ Urban Multi ML5 Mini UM Heat Pump ...
Page 252: ...Wiring Diagrams 240 Appendix S 32 63 100TM3JPR 3D039801D Urban Multi ML5 Mini UM Heat Pump ...
Page 255: ...Wiring Diagrams Appendix 243 Panasonic ...
Page 256: ...Wiring Diagrams 244 Appendix Urban Multi ML5 Mini UM Heat Pump ...
Page 257: ...Wiring Diagrams Appendix 245 Panasonic ...
Page 259: ...Option List Appendix 247 Panasonic ...
Page 262: ...Example of Connection 250 Appendix Urban Multi ML5 Mini UM Heat Pump ...
Page 283: ......