Wiring Diagram For 18K 208/230V - Bryant 538PAQ012RBMA Service Manual

WIRING DIAGRAMS (CONTINUED)
Y/G
CODE
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)
OUT DOOR
FAN
3
HEATER 1
CN414
CN15
CN8
RED
BLACK
CN7
CN2
YELLOW
CN6 CN6-1
Y/G
Y/G
Fig. 9 – Wiring Diagram for 18K 208/230V
Table 10—Outdoor Unit Control Board
L-OUT
CN13
RY1
CN12
1
U
OUTDOOR
2
CN14
V
MAIN
3
W
PCB
CN1
W
CN10
COMPRESSOR
OUTDOORAMBIENT
TEMPERATURE SENSOR
INPUT or OUTPUT VALUE
12
BLUE
BLUE
V U
Y/G