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