520 Indoor / 520 Outdoor Service Manual
Ver. 1.00
29
CONFIDENTIAL
10-11. Water control valve (flow adjustment valve and bypass valve)
Color/Number of
wires
Blue-Brown
13.0 to 16.0 VDC
Orange-Brown
ON: 12.5 to 16.0 VDC OFF: 0 to 1 VDC
Red-Brown
(0° position) 1 VDC less
The water control valve contains the flow adjustment valve and the bypass valve.
5 - 3 / 8 " ( 1 3 7 m m )
3
-
3
/
4
"
(
9
5
.
6
m
m
)
3
-
3
/
8
"
(
8
7
m
m
)
Water adjustment valve
Bypass valve
