Carrier 38MAQB09-1 - Wiring Diagram for 18 K 208;230 V

12
WIRING DIAGRAMS (CONTINUED)
1
2
3
OUT DOOR
FAN
RED
YELLOW
BLACK
Y/G
U
V
W
RY1
CN6
CN2
CN7
CN8
CN3
CN4
CN10
CN1
COMPRESSOR
Y/G
DER
EULB
KCAL
B
&21'(16(5
7(03(5$785(6(1625
OUTDOOR AMBIENT
TEMPERATURE SENSOR
WHITE
BLA
CK
',6&+$5*(6(1625
6
OUTDOOR
MAIN
PCB
EUL
B
KCA
L
B
DER
CN13
CN12
L-OUT
C
I
N
O
RT
C
E
L
E
P
X
EE
VI
S
N
A
E
VL
A
V
CN18
4
-
W
AY
CN414
52
7&
$
(5
BLUE
BLUE
U
V
W
Y/G
CN6-1
Y/G
DE
R
/
/
6
/
/
72,1'22581,7
32:(56833/<
E
ULB
/
/
3
CN14
CN15


1&
7$(
+
HEATER 1
2
R
ET
AE
H
Fig. 9 – Wiring Diagram for 18K 208/230V
Table 10—Outdoor Unit Control Board
CODE INPUT or OUTPUT VALUE
CN7、CN8 Input: 230V High voltage
CN2 Output: Connection of the high voltage
CN3、CN4 Output: High voltage for 4-way control
CN11、CN16 Output: 230V High voltage for HEATER
CN5 Output: Pulse (0-320V) for DC FAN
CN12、CN13 Output: Connection of the high voltage
U V W Output: Pulse (0-320V) for compressor
CN10 Input: Pin 1 (5V) Pin 2 (0-5V)
CN1 Input: Pin 3-4 (5V) Pin 2 (0V),Pin 1,Pin 5 (0-5V)
CN18 Output: Pin 5&6 (12V) Pin 1-Pin 4:Pulse waveform, (0-12V)