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SiAF332111E
Control for 4/5/10/12 HP Outdoor Unit
Part 4 Functions and Control
55
Note(s)
1. Control for 4/5/10/12 HP Outdoor Unit
1.1 Operation Mode
If the indoor unit stops or the thermostat turns OFF while in oil return control, pump down
residual control is performed on completion of oil return control.
Startup control
Oil return control
YES
NO
Error/Standby
Normal operation
Indoor unit thermostat ON
Indoor unit thermostat ON
Error/Standby
Error/Standby
Operation in
stop control
Pressure
equalization
prior to startup
Indoor unit stop or
thermostat OFF
Cooling operation
Oil return starting
conditions are met.
Indoor unit stop or
thermostat OFF
Indoor unit stop or
thermostat OFF
Error/
Standby
Pump down
residual
control
Restart standby
(Compressor stop)
• Cooling startup
control
• Compressor PI control
• Electronic expansion
valve PI control
• Protection control
Содержание VRV S RXQ4/5ARV1
Страница 1: ...Service Manual Cooling Only 50 60 Hz RXQ4 5ARV1 RXMQ6ARV1 RXMQ8 10 12ARY1 SiAF332111E...
Страница 349: ...SiAF332111E Check Part 6 Service Diagnosis 343 PCB and Circuit Diagram U V W L3B L2B L1B P1 P2 N32...
Страница 366: ...SiAF332111E 360 Part 7 Appendix 1 Wiring Diagrams 361 1 1 Outdoor Unit 361 1 2 VRV Indoor Unit 366 Part 7 Appendix...
Страница 369: ...SiAF332111E Wiring Diagrams Part 7 Appendix 363 RXMQ6ARV1 C 3D137051...
Страница 370: ...Wiring Diagrams SiAF332111E 364 Part 7 Appendix RXMQ8ARY1 C 3D137060...
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Страница 376: ...Wiring Diagrams SiAF332111E 370 Part 7 Appendix 1 2 4 Wall Mounted FXAQ20 25 32PVE FXAQ40 50 63PVER1 C 3D076498B...