Voltage Test Points On The Control Board - Mitsubishi Electric PEFY-WP15VMS1-E Service Manual

2013
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[ VII Troubleshooting ]

4. Voltage test points on the control board

1. PEFY-P15, 20, 25, 32, 40, 50, 63VMS1(L)-E
Fuse
CND
С25(*1)
CN2M
SWE
SW2
SW4
CN42
SW3
CN81
CN32
HWE12090
LED2 CN3A
CN60
Fuse
CND
CN2M For M-NET transmission cable
SWE
SW2
CNP
SW4
CN42
SW3
CN81
CN32
CN3A
CNMF
C951(*1)
CN52
PC941(*1)
CN51
CN41
CN44
LED1
CN4F
CN20
CN3C
CNMF Fan motor output
CN3C
CN20
CN4F
CNP
CN44
(*1)
V
CN41
CN51
V
CN52
Vsp Voltage between the C951 pins
- 15 -
Fuse(AC 250V 6.3A)
Power supply voltage (220 -
240VAC)
connection (24 - 30VDC)
Emergency operation
Capacity setting
Function setting
For address board connection
Function setting
For address board connection
Remote start/stop adapter
For MA remote controller cable
connection
(10 - 13 VDC (Between 1 and 3.))
Remote display
Centralized control
JAMA standard HA terminal A
Thermistor (water inlet/water out-
let temperature)
Float thermistor
Thermistor (Inlet temperature)
Indoor-outdoor transmission
(0 - 24VDC)
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)
Voltage on the (-) side of PC941
FG
and C25
(Same with the voltage between 7
(+) and 4 (-) of CNMF)
Voltage between the C25 pins
CC
15 VDC
(Same with the voltage between 5
(+) and 4 (-) of CNMF)
0VDC (with the fan stopped)
1 - 6.5VDC (with the fan in opera-
tion)
(Same with the voltage between 6
(+) and 4 (-) of CNMF)
GB

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