LG Multi V Service Manual

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Copyright © 2020 LG Electronics Inc.
All rights reserved. Only training and service purposes.
HR Unit PCB
HR Unit PCB (PRHR042A, PRHR032A, PRHR022A)
ON switch Selection
No.1 Method for addressing valves of an HR unit (Auto/Manual)
No.2 Model of HR unit
No.3 Model of HR unit
No.4 Valve group setting
No.5 Valve group setting
No.6 Valve group setting
No.7 Use only in factory production (preset to “OFF”)
No.8 Use only in factory production (preset to “OFF”)
SW02M
1) Selection of the method for addressing valves of an HR unit (Auto/Manual)
SW02M
(Dip switch for setup of
The function of HR unit)
SW03M
SW04M
SW01M/SW03M/SW04M
(Switch for manual valve
addressing)
SW01M
SW05M
#1 valve housing
#4 valve housing
7-SEG
1. Main function of SW02M
1. Switch for Setup of HR Unit
Zoning setting
("ON")
2) Setting the zoning control
DIP S/W setting
Normal
control
Zoning
control
SW01M
SW01M
Turn the dip switch of the zoning branch on.
Ex) Branch 1,2 are zoning control.

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)