Special Control
SiUS39-602
56
Function
3.6
Restart Standby
Forced standby is performed to prevent frequent repetition of ON/OFF of the compressor, and
to equalize pressure in the refrigerant system.
Note 1.
Hold: maintain the previous position (mode) before entering this operation.
Actuator
Operation
Compressor
OFF
Outdoor unit fan
Ta > 86
°
F: STEP5
Ta
≤
86
°
F: OFF
Four way valve 1
Holds *Note 1
Four way valve 2
Holds *Note 1
Main motorized valve (EV1)
0 pls
Sub motorized valve (EV2)
0 pls
Sub-cooling motorized valve (EV2)
0 pls
Hot gas bypass valve (SVP)
OFF
Oil equalization valve (SVO)
ON
Receiver gas charging valve (SVL)
OFF
Receiver gas discharge valve (SVG)
OFF
Discharge pipe stop valve (SVR)
Holds
Non-operating unit liquid pipe stop
valve (SVSL)
ON
High pressure gas pipe pressure
reduction valve (SVC)
Holds
Ending conditions
4 min.
Summary of Contents for REYQ72
Page 35: ...Specifications SiUS39 602 24 Specifications...
Page 121: ...Field Setting SiUS39 602 110 Test Operation...
Page 129: ...Troubleshooting by Remote Controller SiUS39 602 118 Troubleshooting...
Page 225: ...Troubleshooting OP Unified ON OFF Controller SiUS39 602 214 Troubleshooting...
Page 232: ...SiUS39 602 Piping Diagrams Appendix 221 1 3 BS Unit BSVQ36MVJU BSVQ60MVJU 4D045338...
Page 235: ...Wiring Diagrams for Reference SiUS39 602 224 Appendix REYQ144 168 192MTJU C 3D050354A...
Page 240: ...SiUS39 602 Wiring Diagrams for Reference Appendix 229 2 4 BS Unit BSVQ36M 60MVJU 3D045069A...
Page 249: ...Example of Connection R 410A Type SiUS39 602 238 Appendix...
Page 255: ...Method of Replacing The Inverter s Power Transistors and Diode Modules SiUS39 602 244 Appendix...
Page 265: ...Precautions for New Refrigerant R 410A SiUS39 602 254 Precautions for New Refrigerant R 410A...
Page 269: ...SiUS39 602 iv Index...