LG Multi V Manual&Nbsp;

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Copyright ©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
2.1 Oil return control
2.1.1 Oil return control on cooling mode
Oil return operation recovers oil amount in compressor by collecting oil accumulated in pipe.
Each cycle component operates as following table during oil return operation.
■ Oil return operation time : 6 min. for running step
■ Starting condition:every 6 hours operate
■ Oil return process ends if compressor protection control starts
Normal control
OFF
100 pulse
Max. pulse
Normal control
40Hz
Ending
Normal control
OFF
Min. pulse
Max. pulse
Normal control
Setting Value
Running
Normal control
OFF
Min. pulse
Max. pulse
Normal control
30Hz
Starting
Hot gas bypass valve
4way valve
Subcooling EEV
Main EEV
Fan
Inverter compressor
Component
OFF
Min. pulse
Normal control
Normal control
Ending
ON
1200 pulse
1200 pulse
Normal control
Running
OFF
Min. pulse
Normal control
Normal control
Starting
Oil return signal
Thermo off unit EEV
Thermo on unit EEV
Fan
Component
Outdoor Unit
Indoor Unit
2. Special Control
Function

LG Multi V Specifications

General

Brand	LG
Model	Multi V
Category	Air Conditioner
Language	English