-21-
3-22 CAUTION : Sealed System Repair
Before making a sealed system repair : Start with the power cord unplugged from the outlet. Plug in the power cord and
between 6 and 12 seconds after it has been pugged in, unplug it from the power source. this will allow both sides of the 3
way valve to be opened to allow for proper evacuation.
3-23 3 Way Valve Service
Whole picture of refrigerator
R-Evaporator
F-Evaporator
• The 3 way valve has plastic parts inside, so always wrap
it with a wet cloth before servicing when using a torch.
1) Always replace the 3 way valve if there is a leak at any
one of the 3 tubes coming from it.
2) Service in replacement of valve (valve failure) Perform
service in the same method as above.
Note : To service sealed system, follow the directions in "3-22" and "3-23" above.Then service is the same as a single
evaporator system.
R-Evaporator
F-Evaporator
3 Way Valve
R-Evaporator
F-Evaporator
3 way valve
Freezer Room
(Refrigerator outlet)
Refrigerator Room
(Refrigerant outlet)
Drier slide
(Refrigerator inlet)
Copyright © 2019 LG Electronics Inc. All rights
reserved. Only training and service purposes.
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