Mitsubishi Electric MXZ-4C36NAHZ Technical & Service Manual page 124

Branch box controller board
PAC-MKA50BC PAC-MKA51BC
PAC-MKA30BC PAC-MKA31BC
CN3M
( )
LED1,LED2
1
2
3 1 2
SW4
SW12
SW11
SW5
SW1
OCH573E
TH-A to E
TH-D and E
TB3A to E
1 3
2 4
LEV-A to E
LEV-D and E
3 5
4 6
F1
CND
1 3
F2,F3,F4