8. Wiring diagram
Model:
Crystal Horizontal 70/90/120/150/200
29
B
A
G
N
D
12V
CN6
V
W
U
MC
Com
pre
ssor
U
V
Reactive
resistance
DC FAN CAPACITOR
MF
CN-RAT1
EARTH AC-N
BLK
N
BLK
CN4
CN-RAT2
DC310
G
VCC
VSP
FG
AC-L
L
RED
OUT8
BRN
Electronic
expansion valve
OUT7
Compressor heater
Programming port
CN7
OUT6
YLW
(
or
)
BLK
Low Pressure Switch
OUT5
Base plate heater
BLU
WHI
RED
OUT4
Emergency
switch
BRN BRN
Water flow switch
4-way valve
RED
WHI
OUT3
Reserved
OUT2
BLU
BLU
IN1
IN2
IN3
IN4
IN5
OUT1
CN-BL
Compressor driven burner
T1
T2
T3
T4
T5
T6
T7
T8
Reserved
Exhaust temp
Outlet water temp
Inlet water temp
Ambient temp
Condenser temp
Cooling coil temp
Return gas temp
Wire controller
BRN
RED
BLK
BLK
L
N
P1 P2
Y
/
G
Power: AC
Electrical Diagram
220-240V
~
50Hz
W
E-
VAL1