LG Multi V Service Manual

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All rights reserved. Only training and service purposes.
HR Unit PCB
2) Selection of the model of the HR unit
h Each model is shipped with the switches No.2 and No.3 pre-adjusted as above in the factory.
WARNING
• If you want to use a PRHR022(A) for 2 branches HR unit after closing the 3rd pipes, set the dip switch for 2 branches HR
unit.
• If you want to use a PRHR032(A) for 3 branches HR unit after closing the 4th pipes, set the dip switch for 3 branches HR
unit.
• If you want to use a PRHR042(A) for 2 branches HR unit after closing the 3rd and 4th pipes, set the dip switch for 2
branches HR unit.
• The unused port must be closed with a copper cap, not with a plastic cap.
(For 2 branches)
PRHR022(A)
(For 3 branches)
PRHR032(A)
(For 4 branches)
PRHR042(A)
Initial
Setting
1 branches
Connected
2 branches
Connected
3 branches
Connected
4 branches
Connected
1
2
3
1
2
1
3
2
4

LG Multi V Specifications

General

Type	VRF (Variable Refrigerant Flow)
Compressor Type	Scroll
Refrigerant	R410A
Energy Efficiency	High
Control System	Centralized and individual control options
Indoor Units	Multiple types available (e.g., ceiling cassette, wall-mounted, ducted)