SiUS34-801A_b
Special Control
VRVIII R-410A Heat Pump 60Hz
53
The higher the compressor operating step No., the cumulative refrigerant oil consumption increases.
*1: In case of multi outdoor unit system:
Master unit: It conducts the operation listed in the table above.
Slave units: Operating units conduct the operation listed in the table above.
Non-operating units conduct the operation listed in the table above after the
Oil returning
process.
(Non-operating units stop while in
Preparation
mode.)
Outdoor unit actuator
Symbol
Elect. symbol
Oil return operation
Operation after oil return
RXYP
144PTJU
For any model
other than that
shown on the left
Compressor 1
—
M1C
M1C
52Hz+ON
(Subsequently, constant
low pressure control)
Maintain the number of
compressors that were used
before oil return operation
52Hz+ON
(Subsequently, constant
low pressure control)
Maintain the number of
compressors that were used
before oil return operation
Compressor 2
M2C
M2C
Outdoor unit fan 1
—
M1F
M1F
Cooling fan control
Cooling fan control
Outdoor unit fan 2
M2F
—
Four
-way
valve (for heat
exchanger selection)
20SA
Y2S
Y3S
OFF
OFF
Y9S
Four
-way
valve (for high-
and low-pressure gas
pipe selection)
20SB
Y8S
Y2S
ON
ON
Electronic expansion
valve (main)
EVM
Y1E
Y1E
1375pls
1375pls
Y3E
Electronic expansion
valve (subcooling)
EVT
Y2E
Y3E
SH control
SH control
Y5E
Electronic expansion
valve (refilling refrigerant)
EVJ
Y4E
Y2E
80pls
80pls
Solenoid valve (main
bypass)
SVE
Y5S
Y6S
ON
ON
Y10S
Solenoid valve (hot gas)
SVP
Y4S
Y5S
OFF
OFF
Solenoid valve (liquid
pipe of refrigerant
regulator)
SVL
Y3S
Y4S
0pls
0pls
Solenoid valve (gas
discharge pipe of
refrigerant regulator)
SVG
Y1S
Y1S
0pls
0pls
Solenoid valve (drain pipe
of refrigerant regulator)
SVO
Y7S
Y7S
0pls
0pls
Solenoid valve (discharge
pipe of refrigerant
regulator)
SVT
Y6S
Y8S
0pls
0pls
End conditions
•
After a lapse of 5 min.
•
TsA - Te<41
°
F
•
After a lapse of 3 min.
•
Pe_min<41
°
F
•
Pc_max>526.35psi
•
HTdmax>212
°
F
or
or
Содержание RXYQ96PYDN
Страница 15: ...SiUS34 801A_b xiv...
Страница 23: ...Model Selection SiUS34 801A_b 8 General Information...
Страница 133: ...Field Settings SiUS34 801A_b 118 VRVIII R 410A Heat Pump 60Hz...
Страница 254: ...SiUS34 801A_b Test Operation VRVIII R 410A Heat Recovery 60Hz 239 R 410A Label R 410A Label...
Страница 329: ...Field Setting SiUS34 801A_b 314 Indoor Unit...
Страница 340: ...SiUS34 801A_b Troubleshooting by Remote Controller Troubleshooting 325...
Страница 489: ...Piping Diagrams SiUS34 801A_b 474 Appendix 1 Piping Diagrams 1 1 Outdoor Unit Heat Pump 460V RXYQ72 96 120PYDN 3D058636A...
Страница 490: ...SiUS34 801A_b Piping Diagrams Appendix 475 Heat Pump 230V RXYQ72 96 120PTJU 3D058636A...
Страница 491: ...Piping Diagrams SiUS34 801A_b 476 Appendix Heat Pump 230V RXYQ144PTJU 3D058640...
Страница 492: ...SiUS34 801A_b Piping Diagrams Appendix 477 Heat Recovery 460V REYQ72 96 120PYDN 3D058639A...
Страница 493: ...Piping Diagrams SiUS34 801A_b 478 Appendix Heat Recovery 460V REMQ72PYDN 3D058637A...
Страница 494: ...SiUS34 801A_b Piping Diagrams Appendix 479 Heat Recovery 460V REMQ96 120PYDN 3D058638A...
Страница 495: ...Piping Diagrams SiUS34 801A_b 480 Appendix Heat Recovery 230V REYQ72 96 120PTJU 3D058639A...
Страница 496: ...SiUS34 801A_b Piping Diagrams Appendix 481 Heat Recovery 230V REYQ144PTJU 3D058640...
Страница 497: ...Piping Diagrams SiUS34 801A_b 482 Appendix Heat Recovery 230V REMQ72PTJU 3D058637A...
Страница 498: ...SiUS34 801A_b Piping Diagrams Appendix 483 Heat Recovery 230V REMQ96 120PTJU 3D058638A...
Страница 501: ...Piping Diagrams SiUS34 801A_b 486 Appendix 1 3 BS Unit 4D057985A...
Страница 537: ...Piping Installation Point SiUS34 801A_b 522 Appendix...
Страница 543: ...Pressure Sensor SiUS34 801A_b 528 Appendix...
Страница 559: ...Precautions for New Refrigerant R 410A SiUS34 801A_b 544 Precautions for New Refrigerant R 410A...
Страница 563: ...SiUS34 801A_b iv Index...