Installation Method - LG MULTI V WATER IV ARWN080LAS4 Engineering Product Data Book

MULTI V Water IV
13. Variable Water Flow Valve Control KIT (Accessory)

Installation Method

1. Shut off the main power line of outside unit.
2. Install the case of Variable Water Flow Control Kit on the C/Box by using screws.
3. Attach Transformer, IO Module, Terminal Block of Variable Water Flow Control Kit in the case by using screws.
4. Connect the wire, Refer to the figure below.
Outside Unit C/Box
Transformer
Variable Water
Flow Valve Control KIT
(Accessory)
* BL : Blue, BR : Brown, RD : Red, BK : Black, WH : White, GR : Green
Note
Transformer can supply only AC 24V to the terminal block.
Do not input external power into Main PCB. Otherwise it will cause a serious damage.
The Variable Water Flow Control Kit controls only 1 valve actuator.
The power (AC 24V) and signal(DC 0~10V) line is recommended by AWG22(1/32 in, (0.644 mm), 0.016 Ω/ft
(0.053 Ω/m)).
52
Heat Pump
Power Module
BL
BR
AC 220V
IO Module
RD
RD
Terminal
Block
WH
GR
Control Signal
BK
RD
AC 24V
Installation of Outside Units
Main PCB
Variable Water
Flow Valve
Field
DC 0~10V
Supply