Mitsubishi Electric PEAD-M60JA Service Manual page 42

9-5. TEST POINT DIAGRAM
9-5-1. Power supply board
CNP
CNXC1 CNXA1
CNXB1
CND
C53 CNMF
(*1)
PC51 C25
(*1) (*1)
CND
CNMF Fan motor output
CNP
CNXA1
CNXB1
CNXC1
CNXA2
CNXB2
CNXC2
(*1)
V
FG
V
CC
V
sp
42
Power supply voltage (220 - 240VAC)
1 - 4: 310 - 340 VDC
5 - 4: 15 VDC
6 - 4: 0 - 6.5 VDC
7 - 4: Stop 0 or 15 VDC
Run 7.5 VDC
(0 - 15 pulse)
Drain-up mechanism output (200VAC)
Connect to the indoor controller board
Connect to the indoor controller board
Connect to the indoor controller board
Connect to the indoor power board
Connect to the indoor power board
Connect to the indoor power board
Voltage on the (-) side of PC51 and
C25
(Same with the voltage between 7 (+)
and 4 (-) of CNMF)
Voltage between the C25 pins 15
VDC
(Same with the voltage between 5 (+)
and 4 (-) of CNMF)
Voltage between the C53 pins
0VDC (with the fan stopped)
1 - 6.5VDC (with the fan in operation)
(Same with the voltage between 6 (+)
and 4 (-) of CNMF)