Mitsubishi Electric City Multi PKFY Series Technical & Service Manual page 20

8-3. TEST POINT DIAGRAM
8-3-1. Indoor controller board
PKFY-P06NBMU-E
PKFY-P06NBMU-ER1
CN60
Linear expansion
valve output (LEV)
12VDC pulse output
CN51
Centrally control
1-2 : Control signal
12VDC pulse input (1 : +)
3-4 : Operation indicator
12VDC (3 : +)
3-5 : Malfunction indicator
12VDC (3 : +)
CN52
Remote indication
1-2: Status lamp 12VDC (1 : +)
External heater 12VDC
(1 : +) (SW1-5 OFF)
Thermostat ON (SW1-5 ON)
1-3: Cooling/Dry status lamp
12VDC (1 : +)
1-4: Heating status lamp
12VDC (1 : +)
SW3
Mode selection
J41, J42
Wireless remote
controller Pair No.
setting
SW2
Capacity setting
OCH461B
PKFY-P08NBMU-E
PKFY-P08NBMU-ER1
CN5V
Vane motor output
CN81
(MV)
Connected to the
12VDC pulse output
address board (CN82)
CN90
Connected to the wireless
remote controller board (W.B)
CN35M
Connected to the indoor
power board (CN35P)
20
CN29
Pipe temperature
thermistor/Gas (TH23)
CN21
Pipe temperature
thermistor/Liquid (TH22)
CN20
Room temperature
thermistor (TH21)
CN3A
Connected to the
MA-Remote controller
Between 1 to 3 8.7-13V DC
(Pin1 (+))
CN41
Connector
(HA terminal-A)
CN32
Connector
(Remote switch)
CN42
Connected to the
address board (CN43)
LED2
Power supply for
MA-Remote controller
CN53M
Connected to the indoor power board (CN53P)
Between 1 to 2 24-30V DC (non-polat)
Between 3 to 5 12.5-13.7V DC (Pin3 (+))
Between 4 to 5 11.5-12.7V DC (Pin4 (+))