AirStage AO54FJ, Service Manual

Page: 38 / 169

(1) Input
"Cooling priority" or "Heating priority" can be selected by this input.
On
Off
CN50
Indoor
Unit
(2) Output
This output indicates the outdoor unit and connected indoor
unit's "Normal" or "Error" status.
1
2
CN 49
(BLACK)
+
-
Error
Indicator
Stop
12V
0V
CN48
Heat and Cool switch (Heat pump type only)
On
Off
CN52
Cooling
Priority
Heating
Priority
R.C.
Priority
1
2
1
2
Input1
Input2
CN50
(YELLOW)
CN52
(GREEN)
P.C.B
2 Error display
P.C.B
CONNECTOR INPUT
SIGNAL
STATUS
CN50
(
YELLOW
)
OFF
ON
REMARKS
OFF
ON
CN50 need to
be "ON".
CN52
(
GREEN
)
Remote Controller priority
External input priority
Cooling priority
Heating priority
CONNECTOR OUTPUT VOLTAGE STATUS
CN48
(BLUE)
Stop
Operation
0V
1 Operation display
This output indicates the outdoor unit's "Operation" status.
CN49
(BLACK)
Normal
Error
0V
Normal
12V
0V
CN49
Operation
Error
1
2
CN 48
(BLUE)
+
-
Operation
Indicator
P.C.B
12V ( < 100mA)
=
12V ( < 100mA)
=
2-4-2 OUTDOOR UNIT
02-24
3 Base heater output
Turn ON when the ambient temperature is low in heating mode.(3 C or less)
Following cord (service parts) is required. Please use the parts number shown below
to order the cord from your sales representative.
Name and shapes Q'ty Parts No.
1
(3) Parts
1 9368777005
EXTERNAL
INPUT
WIRE
BASE
HEATER
WIRE
CN 9
(YELLOW)
9374796014
1
2
Base heater
(Field supply)
AC220-240V,<35W