Bc Controller Circuit Board - Mitsubishi Electric PQHY-P200YLM-A Service Handbook

[ III Heat source Unit Components ]

[6] BC Controller Circuit Board

1. BC controller circuit board (BC board)
CNTR
200-240 VAC output
L2 phase
L1 phase
CN38
200-240 VAC output
L1 phase
L2 phase
CN50,CN51
Relay board control
signal output
CN02
Transmission
signal input/output
CN03
20 VAC input
CNVCC1
12 VDC output
5 VDC output
GND
HWE15060
CNOUT1,CNOUT3
Relay board control signal output
Sensor input
SW4~6
Dip switches
- 100 -
Actuator drive signal output (200-240 VAC)
SW1,2 LD100
Address switches CPU operation indicator
CN12
200-240 VAC output
GND
L2 phase
L1 phase
LEV
drive signal output
GB