Midea V6R VRF Series Service Manual page 43

V6R VRF 50Hz
Table 3-7.2: Indoor unit component control during oil return operation in cooling only/main cooling mode
Cooling indoor unit
FAN
Electronic expansion valve (EEV)
Heating indoor unit (ODU operates cooling main operation)
FAN
(Set the controller to display E0, default)
FAN
(Set the controller not to display E0)
Electronic expansion valve (EEV)
(Set the controller to display E0, default)
Electronic expansion valve (EEV)
(Set the controller not to display E0)
Heating Oil Return Control
It's basically identical with defrosting operation, refer to 7.2 Defrosting Operation
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Thermo ON unit
Thermo OFF unit
Stop or Fan
Thermo ON unit
Thermo OFF unit
Stop or Fan
Thermo ON unit
Thermo OFF unit
Stop
Thermo ON unit
Thermo OFF unit
Stop
Thermo ON unit
Thermo OFF unit
Stop or error stop
Thermo ON unit
Thermo OFF unit
Stop or error stop
2000P EEV
Keep the previous fan speed
Superheat control
1200pls 300pls
1200pls 300pls
2000P EEV
OFF
OFF
OFF
Low fan speed
Low fan speed
OFF
Within 2min: 1920pls Within 2min: 480pls
2-4min: 1200pls 2-4min: 300pls
After 4min: 480pls After 4min: 120pls
0pls 0pls
500P EEV
2000P EEV