Mitsubishi Electric MXZ-8B48NA Technical & Service Manual page 60

Outdoor power circuit board
MXZ-8B48NA
MXZ-8B48NAR1
CN4
Connect to the outdoor
controller circuit board (CN4)
N2
Connect to the smoothing
capacitor CB -
U/V/W P2
Connect to the compres- Connect to the smooth-
sor (MC) Voltage among ing capacitor CB +
phases: 10 V-180 V AC
CN2
Connect to the outdoor controller circuit board (CN2)
1-5: Transmitting signal to outdoor controller circuit
board (0-5 V DC)
2-5: Zero cross signal (0-5 V DC)
3-4: 18 V DC
6-5: 16 V DC
7-5: 16 V DC
CN52C
52C driving signal
Connect to the outdoor
controller circuit board
(CN52C)
DCL1, DCL2 EI, E4
Connect to DCL Connect to the
earth
60
CNDC
280-350 V DC (1+, 3-)
Connect to the outdoor
controller circuit board
E2, E3
(CNDC)
Connect to the earth
CNAC1, CNAC2 NI, LI
208/230 V AC
Voltage of 208/230 V AC
Connect to the out-
is input (Connect to the
door controller circuit terminal block (TB1))
board (CNAC)