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13. Installation
3Way valve connection
▶ Check the type of 3Way valve and connect it to the terminal board as shown in the illustration.
▶ Use a rated wire and connect it as shown in the illustration.
▶ 3 Way valve 1: When the valve is connected to B9 and B11, its direction should be indoor side.
▶ 3 Way valve 2: When the valve is connected to B12 and B14, its direction should be tank side.
V2
V1
L
N
3Way valve 1
3Way valve 2
L
N
Relay
PCB
Terminal block B9/B12
B10/B13
B11/B14
* Initially, relay is connected between L and B11/B14 of the terminal block.
• Before completing installation of 3Way valve, check the opening direction of the port.
CAUTION
Part
Specification
Output (B9 ~ B11, B12 ~ B14)
AC 208-230 V (Max 0 .5A / 120W )
Allowed connection
A
B
A
B
A
B
AB
AB
AB
Allowed (O)
Not allowed (X)
Allowed (O)
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