Way Valve - Sinclair GSH-60IRA series Operational Manual

14. 3-Way Valve

3-way valve is required to operate sanitary water tank. Role of 3-way valve is flow switching
between under floor heating loop and water tank heating loop.
General Information
Type
SPDT
3-wire
(1) : SPDT = Single Pole Double Throw. Three wires consist of Live1 (for selecting (for
selecting Flow B), and Neutral (for common).
(2) : Flow A means 'water flow from the indoor unit to under floor water circuit.'
(3) : Flow B means 'water flow from the indoor unit to sanitary water tank.'
How to Wire 3-Way Valve
Follow below procedures Step 1 ~ Step 2.
Step 1. Uncover front cover of the indoor unit and open the control box.
Step 2. Find terminal block and connect wire as below.
O F F
3-way valve should select water tank loop when electric power is supplied to wire (OFF) and
•
wire (N).
• 3-way valve should select under floor loop when electric power is supplied to wire (ON) and
wire (N).
(OFF) : Line signal (Water tank heating) from PCB to 3-way valve
(ON) : Line signal (Under floor heating) from PCB to 3-way valve
(N) : Neutral signal from PCB to 3-way valve
Power
Selecting "Flow A" between "Flow
230V 50Hz ～AC
Selecting "Flow B" between "Flow
7 8
9
N
O N
3 w ay value 1
33
AIR-TO-WATER HEAT PUMP INSTALLATION MANUAL
Operating Mode
A" and "Flow B"
B" and "Flow A"
10 11
O N
O F F
3 w ay value 2
Supported
Yes
Yes
12
N