Mitsubishi PUHY-P250YJM-A - Indoor Unit Circuit Board

[ IV Indoor Unit Components ]
- 54 -
HWE1018A GB
[4] Indoor Unit Circuit Board
1. PFD-P250,P500VM-E models
(1) Indoor Control Board
(2) External Input/Output Circuit Board
CND
Power supply
input
(AC 220~240V)
F901
Fuse
CN2M
Indoor unit
transmission
line
CN3T
Power supply input
(from transformer)
CNT
Power supply output
(to transformer)
CN90
Fan output
CNP
Drain pump
output
CN60
LEV output
SW1,2,3,4
Dip switch
CN24
Control signal
output
CN51
Switch input
LED1
LED2
CN31
Float switch input
CN32
Switch input
SW5
SWC
Switching between
discharge/suction control
Thermistor input
CN20
CN21
CN29
CN22
CN33
Lamp output
CN3A
Remote controller connection
CN53
Indoor control board (No.1)
To CN51
CN54
Indoor control board (No.2)
To CN51
TB22 (Relay contact output)
No.1 operation status
No.1 error status
No.2 operation status
No.2 error status
TB23 (Input with voltage)
ON/OFF
TB21 (Input no voltage)
ON/OFF