LG AHBW Series, Руководство по установке

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Accessories Installation
56 Air-to-Water Heat Pump
• 3way valve should select water tank loop when electric power is
supplied to wire (W) and wire (N).
• 3way valve should select under floor loop when electric power is
supplied to wire (U) and wire (N).
Mice can not be appeared to prevent entering the unit or attacking wires.
3way valve is required to operate sanitary water tank. Role of 3way valve is flow switching between
under floor heating loop and water tank heating loop.
General information
supports following 3way valve.
(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 A means ʻwater flow from the unit to under floor water circuit.ʼ
(3) : Flow B means ʻwater flow from the unit to sanitary water tank.ʼ
How to wire 3way valve
Follow below procedures Step 1 ~ Step 2.
Step 1. Uncover front cover of the unit and open the control box.
Step 2. Find terminal block and connect wire as below.
(W) : Live signal (Water tank heating) from PCB to 3way valve
(U) : Live signal (Under floor heating) from PCB to 3way valve
(N) : Neutral signal from PCB to 3way valve
3Way Valve
Yes Selecting “Flow B” between
“Flow A” and “Flow B” (3)
Yes Selecting “Flow A” between
“Flow A” and “Flow B” (2)
1 Ø
~ 230 V
SPDT
3-wire
(1)
Supported Operating Mode Power Type
3way valve
(W) (U) (N)
3WAY VALVE
(A)
BR WH BL
8
L 9
L1
10
N