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Basic Control
SiUS34-801A_b
190
VRVIII R-410A Heat Recovery 60Hz
Operating Priority and Rotation of Compressors
•
Compressors may operate in any pattern other than those mentioned above according to the operating status.
Compressor Step Control
Compressor operations vary with the following steps according to information in
Section 2.2:
Compressor PI Control
.
Furthermore, the operating priority of compressors is subject to information in
Operating Priority and Rotation of
REYQ72P, 96P, 120P
STD1
INV
No. 2 No. 1
INV:
Inverter compressor
STD1: Standard compressor 1
STD2: Standard compressor 2
Each compressor operates in the following order of priority.
In the case of multi-outdoor-unit system, each compressor operates in any of Pattern 1
through Pattern 3 according to the rotation of outdoor units.
Pattern 1
Pattern 2
Pattern 3
REYQ216P, 240P
INV
STD1
No. 2 No. 4
No. 1 No. 3
STD1
No. 2 No. 4
No. 3
INV
No. 1
REYQ168P, 192P
INV
STD1
No. 2 No. 3
No. 1 No. 3
INV
No. 1
No. 2
REYQ144PYDN
INV
No. 2
No. 1
INV
No. 1
No. 2
REYQ144PTJU
INV2
INV1
No. 2 No. 1
Summary of Contents for VRV III
Page 15: ...SiUS34 801A_b xiv ...
Page 23: ...Model Selection SiUS34 801A_b 8 General Information ...
Page 133: ...Field Settings SiUS34 801A_b 118 VRVIII R 410A Heat Pump 60Hz ...
Page 254: ...SiUS34 801A_b Test Operation VRVIII R 410A Heat Recovery 60Hz 239 R 410A Label R 410A Label ...
Page 329: ...Field Setting SiUS34 801A_b 314 Indoor Unit ...
Page 340: ...SiUS34 801A_b Troubleshooting by Remote Controller Troubleshooting 325 ...
Page 490: ...SiUS34 801A_b Piping Diagrams Appendix 475 Heat Pump 230V RXYQ72 96 120PTJU 3D058636A ...
Page 491: ...Piping Diagrams SiUS34 801A_b 476 Appendix Heat Pump 230V RXYQ144PTJU 3D058640 ...
Page 492: ...SiUS34 801A_b Piping Diagrams Appendix 477 Heat Recovery 460V REYQ72 96 120PYDN 3D058639A ...
Page 493: ...Piping Diagrams SiUS34 801A_b 478 Appendix Heat Recovery 460V REMQ72PYDN 3D058637A ...
Page 494: ...SiUS34 801A_b Piping Diagrams Appendix 479 Heat Recovery 460V REMQ96 120PYDN 3D058638A ...
Page 495: ...Piping Diagrams SiUS34 801A_b 480 Appendix Heat Recovery 230V REYQ72 96 120PTJU 3D058639A ...
Page 496: ...SiUS34 801A_b Piping Diagrams Appendix 481 Heat Recovery 230V REYQ144PTJU 3D058640 ...
Page 497: ...Piping Diagrams SiUS34 801A_b 482 Appendix Heat Recovery 230V REMQ72PTJU 3D058637A ...
Page 498: ...SiUS34 801A_b Piping Diagrams Appendix 483 Heat Recovery 230V REMQ96 120PTJU 3D058638A ...
Page 501: ...Piping Diagrams SiUS34 801A_b 486 Appendix 1 3 BS Unit 4D057985A ...
Page 537: ...Piping Installation Point SiUS34 801A_b 522 Appendix ...
Page 543: ...Pressure Sensor SiUS34 801A_b 528 Appendix ...
Page 563: ...SiUS34 801A_b iv Index ...