Mitsubishi MXZ-8C60NA-U1 - Page 124

124
Branch box controller board
PAC-MKA50BC PAC-MKA51BC
PAC-MKA30BC PAC-MKA31BC
LEV-A to E
Connect to LEV-A to E
LEV-D and E for PAC-MKA50/51BC only
CND
Power supply
for Branch box
Controller board
1
–
3208/230 V AC
F1
Fuse 6.3 A 250 V
F2,F3,F4
Fuse 10 A 250 V
F4 for PAC-
MKA50/51BC only
CN3M
Connected to the terminal
block (TB5)
(M-NET transmission con-
necting wire)
24–30 V DC (non polar)
TB3A to E
Connect to indoor unit TB3D and TB3E for PAC-MKA50/51BC only
1
–
3
:
Power supply 3
–
5
:
Transmission
2
–
4 208/230 V AC 4
–
6 0–24 V DC
LED1,LED2
·Startup
Main power supply
(208/230 V AC)
·Normal operating
LED1:Main power supply
LED2:Blink depend on the
total number of indoor
units.
<Example>
The total number is 2,
1Blink 2 times
2Turn OFF for 3 seconds
3Repeat 1–2
TH-A to E
Connect to thermistor-A to E
TH-D and E for PAC-MKA50/51BC only
SW4
Mode selection
SW11
Address setting ones DIGIT
SW12
Address setting tens DIGIT
SW5
Service setting
SW1
Indoor unit connection
OCH573C