Mitsubishi Electric PEY Series Service Manual page 41

TROUBLESHOOTING
9-7-2. Indoor controller board
CN32
SWE
SW1
SW2
CN3C
HWE1305A
CN22
CN90
SWE
SW1
SW2
CN32 Remote start/stop adapter
CN22 For MA remote controller cable con-
CN51 Centralized control
CN41 JAMA standard HA terminal A
CN44 Thermistor
CN4F Float thermistor
CN20 Thermistor (Inlet temperature)
CN20
CN3C Indoor-outdoor transmission
CN4F
CN90 Wireless remote controller
CN44
CNXA2
CNXB2
CNXC2
CNXA1
CNXB1
CNXC1
41
Emergency operation
Model selection
Capacity setting
nection
(10 - 13 VDC (Between 1 and 3.))
(liquid/condenser/evaporator
temperature)
(0 - 24VDC)
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