MXZ-SM48NAMHZ Service Manual
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Cooling
Wall Mounted 5-Zone H2i System - 48,000 BTU Outdoor - 6k + 6k + 9k + 9k + 9k Indoor - 23.0 SEER
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OCH789
M-NET power circuit board
CN2
Con
nec
t to
the outdoor multi
controller circuit board (CN102)
1
–
2
: 24–30 V DC
3
–
4
: 24–30 V DC
CN1
Connect to the outdoor
power circuit board (CNAC1)
1
–
3
: 208/230 V
AC
TB1
Connect to
the electrical
parts box
1
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