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