Mitsubishi Electric M Series Service Manual page 37

12-5-2. Indoor controller board
MVZ A12AA4
MVZ-A12AA7
MVZ-A18AA4
MVZ-A18AA7
MVZ-A24AA4
MVZ-A24AA7
MVZ-A30AA4
MVZ-A30AA7
MVZ-A36AA4
MVZ-A36AA7
CN105
CN25
CNER
CN41
CN32
SWE
SW1
SW2
CN3C
CN22
CNF
CN90
CN4Y
35
SWE Emergency operation
SW1 Model selection
SW2 Capacity setting
CN105 Radio frequency interface
CN32 Remote start/stop adapter
CN22 For MA remote controller cable con-
CNXA2
nection
(10 - 13 VDC)
CNXC2
CN51 Centralized control
CNXB2
CN41 JAMA standard HA terminal A
CN44 Thermistor
(liquid/condenser/evaporator
CN51
temperature)
CN4F Float sensor
CN20 Thermistor (Inlet temperature)
CN24-2
CN24-1
1st Heater control (12VDC)
CN2C
CN24-2
CN24-1
2nd Heater control
CN20
CN4Y For fan control
CN4F
CN3C Indoor-outdoor transmission
(0 - 24VDC)
CN44
CN90 Wireless remote controller
CNXA2
Connect to the indoor controller board
CNXB2
Connect to the indoor controller board
CNXC2
Connect to the indoor controller board
CNXA1
Connect to the indoor power board
CNXB1
Connect to the indoor power board
CNXC1
Connect to the indoor power board
CNER
ERV controll
CN2C
ERV input
CN25
Humidity conrol
CNF
Humidity input
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