Field Setting
Test Operation
121
3.2.6 Setting of Vacuuming Mode
In order to perform vacuuming operation at site, fully open the expansion valves of indoor and
outdoor units and turn on some solenoid valves.
[Operating procedure]
c
In “Setting Mode 2” with units in stop mode, set “B Refrigerant Recovery / Vacuuming mode”
to ON. The respective expansion valve of indoor and outdoor units are fully opened. “TEST
OPERATION” and “UNDER CENTRALIZED CONTROL” are displayed on the remote
controller, and the indoor / outdoor unit operation is prohibited.
After setting, do not cancel “Setting Mode 2” until completion of Vacuuming operation.
d
Use the vacuum pump to perform vacuuming operation.
e
Press Mode button “BS1” once and reset “Setting Mode 2”.
3.2.7 Check Operation
To prevent any trouble in the period of installation at site, the system is provided with a test
operation mode enabling check for incorrect wiring, stop valve left in closed, coming out (or
misplacing with suction pipe thermistor) or discharge pipe thermistor and judgment of piping
length, refrigerant overcharging, and learning for the minimum opening degree of electronic
expansion valve.
Unit stopping
Press the TEST button for 5 seconds.
10 sec to 10 minutes
LED display (H1P~H7P) (
8
:
ON
3
:
OFF
9
:
BLINK)
3383333
3933338
Pressure equalizing
Step 1
20 sec to 2 minutes
10 minutes
3 minutes
15 minutes
3933383
Cooling start control
Step 2
3933388
3933888
Stability waiting operation
Step 3
Refrigerant over charge judgment
Step 7
•
Stop valve close check
•
Wrong wiring check
•
Piping length check
3933833
3933838
3933883
Judgment function
Step4~6
CHECK OPERATION FUNCTION
5 seconds
3938338
3938383
Pump down residual operation
Step 8
2 minutes
Standby for restarting
Completion
Step 9
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: ......