Mitsubishi Electric Mr. Slim PEA Series Technical & Service Manual page 22

7-5. TEST POINT DIAGRAM
7-5-1. Indoor controller board
PEA-A12AA
PEA-A18AA
Fuse(6.3A 250V)
CN01
C955
CN3C
CN32
CN24
CN22
CN51
CN41
SW2
SW1
CN01 Power supply voltage (208 - 230VAC)
SWE Emergency operation
SW1 Model selection
SW2 Capacity setting
CNP
CN32 Remote start/stop adapter
CN24 Heater control (12VDC)
CN22 For MA remote controller cable con-
nection
(10 - 13 VDC (Between 1 and 3.))
CN51 Centralized control
CNMF CN41 JAMA standard HA terminal A
CN44 Thermistor
C626 (liquid/condenser/evaporator
temperature)
PC672
CN4F Float thermistor
CN20 Thermistor (Inlet temperature)
CN3C Indoor-outdoor transmission
(0 - 24VDC)
CNMF Fan motor output
LED1
1 - 4: 310 - 340 VDC
5 - 4: 15 VDC
6 - 4: 0 - 6.5 VDC
LED2
7 - 4: Stop 0 or 15 VDC
Run 7.5 VDC
CN20
(0 - 15 pulse)
CN44
CNP Drain-up mechanism output (200VAC)
CN2L LOSSNAY
CN4F
CN4Y For Fan control
SWE
CN90 Wireless remote controller
CN2L
(*1)
V Voltage on the (-) side of PC672 and
FG
C955
(Same with the voltage between 7 (+)
CN4Y
and 4 (-) of CNMF)
V Voltage between the C955 pins 15
CC
LED3
VDC
(Same with the voltage between 5 (+)
and 4 (-) of CNMF)
CN90
V Voltage between the C626 pins
sp
0VDC (with the fan stopped)
1 - 6.5VDC (with the fan in operation)
(Same with the voltage between 6 (+)
and 4 (-) of CNMF)
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