R3250Hz Universal Outdoor Series Technical Manual
116
GD Chigo Heating & Ventilation Equipment Co., Ltd.
4.2COU-36HDR4-A (Power supply independently)
Solenoid valve or heat
BL
WT
RD
FAN
BL
CN20
4-WAY
N
RD(WT)
CN1(PFC2)
CN2(PFC1)
COMP1(U)
COMP2(V)
COMP3(W)
CN19
CN27
HEATY
CN5
P1(GND)
CN4(L)
CN28(S_E)
CN3(N)
DC
CN21
BL
VAL
CN10
(Reserved)
YE/GN
O
utdoor c
ont
r
o
ll
e
r
RD(WT)
YE/GN
(Reserved)
temp.
Exhaust
temp.
Outdoor coil
Outdoor ambient
INV
Comp.
Inductor
EXV
U
V
W
temp.
P2(GND)
YE/GN
p
ow
er
s
uppl
y
L
N
L1
N1
S
IND
O
O
R.
CO
M
BR
BL
YE/GN
BL
YE/GN
BK
BR
FAN
OR
RD
H
L
BL
BR
BK
HP
LP
CN23
CN24
HP
LP
CAP
P7
P6
P5
TP
T4
T3
(Reserved)
(Reserved)
(Reserved)
(Reserved)
(Reserved)
(Reserved)
YE/GN
a
CN25
4
CN3
Outdoor Display
P E Q X E Y C R Y WG
CN5
CN6 CN1 CN2
Board
a
YE/GN
(Reserved)