Troubleshooting Guide
- 292 -
Copyright ©2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
(For 2 rooms)
PRHR020
(For 3 rooms)
PRHR040
(For 4 rooms)
PRHR040
2) Selection of the model of the HR unit
❈ Each model is shipped with the switches No.2 and No.3 pre-adjusted as above in the factory.
Notice: If you installed by valve grouping you need to use manual addressing.
3) Selection of the valve group
Valve group control is the function for connecting 2 valves of an HR unit with an indoor unit of large capaci-
ty(More than12kw) using a Y-branch.
To Next Page
Loading...
