Voltage Test Points On The Control Board - Mitsubishi Electric CITY MULTI PEFY-P06NMAU-E4 Technical & Service Manual

[ VIII Troubleshooting ]

4. Voltage test points on the control board

1. PEFY-P06, 08, 12, 15, 18, 24, 27, 30, 36, 48, 54NMAU-E4
F1
CND
CNP
SWE
CN3M
CN90
CN105
CN32
SW3
SW4
HWE20150
CN27 CN24-1 CN24-2
SW1 CN51
SW2 CN52 CN41 CN3A
F1
CND
CN3M
SWE
SW1
SW2
SW4
SW3
CNMF1
SW11
SW12
C351
SW14
C084
SW21
PC352
SW22
CN20
CN32
CN22
CN3A
CN52
CN4F
CN51
CN44
CN41
CN2A
CN44
CN4F
CN22
CN20
CN27
CN24-1 Heater control 1st
CN24-2 Heater control 2nd
CN2A
CN90
CN105
CNMF
CNP
(*1)
V
FG
V
CC
Vsp Voltage between the C351 pins
- 31 -
Fuse (AC 250V 6.3A)
Power supply voltage (208 - 230V)
For M-NET transmission cable
connection
(24 - 30VDC (Between 1 and 3.))
Emergency operation
Function setting
Capacity setting
Function setting
Function setting
1's digit address set
10's digit address set
Branch No.
For static pressure selection
Wireless pair No.
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 (liquid/gas temperature)
Float thermistor
For fan control
Thermistor (Inlet temperature)
Damper
0-10V Analog input
Wireless
IT terminal
Fan motor output
1 - 4: 294 - 325 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
(13 VDC (Between 1 and 3.))
Voltage on the (-) side of PC352
and C084
(Same with the voltage between 7
(+) and 4 (-) of CNMF)
Voltage between the C084 pins
15 VDC
(Same with the voltage between 5 (+)
and 4 (-) of CNMF)
0 VDC (with the fan stopped)
1 - 6.5 VDC (with the fan in operation)
(Same with the voltage between 6 (+)
and 4 (-) of CNMF)
GB