3Way Valve(B) - LG Hydro Kit ARNH30GK1A4 Installation Instructions Manual

3Way Valve(B)

3way valve(B) is required to operate Solar thermal system. Role of 3way valve is flow switching
between open and close mode of the solar circuit.
General Information
Hydro Kit supports following 3way valve.
Type Power
SPDT
3-wire 220-240 V~
(1)
(1) : SPDT = Single Pole Double Throw. Three wires consist of Live1 (for selecting Flow A),
Live 2(for selecting Flow B), and Neutral (for common).
(2) : Flow B means 'heat source toward solar panel repeatedly'. (close mode of circuit)
(3) : Flow A means 'heat source flow from solar panel to DHW tank in solar circuit'.
(open mode of circuit)
How to wire 3way valve(B)
Follow below procedures Step 1 ~ Step 2.
Step 1. Uncover front cover of the unit.
Step 2. Find terminal block and connect wire as below.
3WAY VALVE
(B)
1 2 3
BR WH BL
L L1 N
(W) (U) (N)
3way valve
(W) : Live signal (close solar circuit) from PCB to 3way valve
(U) : Live signal (open solar circuit) from PCB to 3way valve
(N) : Neutral signal from PCB to 3way valve
Operating Mode
Selecting "Flow A" between
"Flow A" and "Flow B" (2)
Selecting "Flow B" between
"Flow A" and "Flow B" (3)
WARNING
!
• 3way valve should select "close solar circuit" when electric
power is supplied to wire (W) and wire (N).
• 3way valve should select "open solar circuit" when electric
power is supplied to wire (U) and wire (N).
ACCESSORIES INSTALLATION
Supported
59
Yes
Yes