
52
MULTI V Water IV
Heat Pump
Installation of Outside Units
13. Variable Water Flow Valve Control KIT (Accessory)
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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.
* 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)).
RD
RD
Variable Water
Flow Valve
Field
Supply
Variable Water
Flow Valve Control KIT
(Accessory)
Outside Unit C/Box
AC 24V
IO Module
Transformer
Main PCB
Power Module
BR
BL
WH
BK
RD
Terminal
Block
GR
DC 0~10V
Control Signal
AC 220V