Fujitsu R407C Service Manual page 45

(2) Output
Operation display
1
This output indicates the indoor unit's "Operate" or "Stop" status.
CONNECTOR
CN1 Ch1
(WHITE)
ON
Indoor
Unit
OFF
Short
CN1
Ch1
Open
2 Error display
This output indicates the indoor unit's "Normal" or "Error" status.
CONNECTOR
CN1 Ch2
(WHITE)
Error
Indoor
Unit
Normal
Short
CN1
Open
Ch2
(3) Parts
Following cord (service parts) is required. Please use the parts number shown below
to order the cord from your sales representative.
Usage
For input and
output port
OUTPUT
STATUS
SIGNAL
Open All of indoor units "OFF"
Short At least one more indoor units "ON"
OUTPUT
STATUS
SIGNAL
Open All of indoor units "
At least one more indoor units "
Short
Name and shapes
EXTERNAL
INPUT
WIRE
02-33
* 1
ON /OFF
Indicator
Error
Indicator
* 1 Always insert a diode on both ends of relay coil.
* 2 Pin 1 - Pin 3
Pin 2 - Pin 3
Normal
"
Error
Q'ty Parts No.
1 9368779009
* 2
Ch1
1
Ch2
CN1
2
(WHITE)
3
Com
P.C.B
Max 15V
70mA
"