1
3
. 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.
CAUTION
•
Before completing installation of 3Way valve, check the opening direction of the port.
Allowed connection
*
Initially, relay is connected between L and B11/B14 of the terminal block.
V1
V2
L N
3Way valve 2
3Way valve 1
Terminal block B9/B12
B10/B13 B11/B14
N
L
PCB
Relay
Part
Specification
Output (B9 ~ B11, B12 ~ B14)
AC 208-230 V (Max 0 .5A / 120W)
AB
A
B
AB
A
B
AB
A
B
Allowed (O)
Not allowed (X)
Allowed (O)
