4. Three way valve wiring diagram
Model for the WRA-6320A WRA-6310A WRA-6302A wiring instructions ( unit for the three-phase power )
AB:Common
Connect the unit outlet
A:Hot water outlet
connect hot water tank inlet
B:Air condition side water outlet
Connect air condition side inlet
L1 L2 N
3-way valve
signal and power output
(220V1PH/50Hz)
Electrical box
C
C
.
I
B
.
B
l
.
B
4:When the PCB is the R-phase power supply, the three-way valve power output L2 terminals
must be received R-phase
5:When the unit running hot water mode,T for three way valve shown in figure 2, the water inflow from the
AB,and outflow from A.
When the unit running air condition mode,T for three way valve shown in figure 1, the water inflow from
the AB,and outflow from B.
Attention and Explanation:
1: heck whether the model of electric three-way valve is that mention above.
2: heck whether electric three-way valve T port is as shown in the picture
f not, Please adjust the 3-way valve T port with forceps as shown in the picture
.
3: Electric three-way valve has three wires:
rown line for single-phase power supply firewire input
lue ine for single-phase power supply zero line input
lack line is signal line, when the black line connect to single-phase power supply firewire input,
the three-way valve will Anti-clockwise rotate 90 degrees.
R S T N
Power input
(380V3PH/50Hz)
B
ro
w
n
b
lu
e
b
la
c
k
PCB
1
1
N
L
Out9
1
2
25
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