Fujitsu AIRSTAGE J-IIIL Design & Technical Manual page 821

¢ External output
Connector
CN9 (Black)
Connected load
Connected load
1 Provide a DC 12 V power supply. Select a power supply capacity with an ample surplus for
* :
the connected load. Do not impress a voltage exceeding 12 V across pins 1-2 and 3-4.
2 The allowable current is DC15 mA or less. Provide a load resistance such that the current
* :
becomes DC 15 mA or less.
3 Polarity is "+" for pins 1 and 3, "-" for pins 2 and 4. Connect correctly.
* :
 Operation status (External output 1)
The output for CN9 (3-4) is on when one
or more indoor units are operating.
The output is off when all of the indoor
units are stopped.
 Error status (External output 2)
The output for CN9 (1-2) is on when an er-
ror is generated at one or more indoor
units, outdoor unit or Central remote con-
troller.
4-2. Central remote controller (UTY-DCGY)
Output voltage
Ch1
Pins 3-4
Ch2
Pins 1-2
DC power supply
1
12 V *
-
2
*
+
-
2
*
Connected unit
- (08-67) -
0 V
DC 12 V One or more indoor units: Operation
0 V
DC 12 V
+ +
-
+
-
3
*
4 3 2 1
CN9 (Black)
Operation
Indoor unit(s)
Stop
12 V
CN9 (3-4)
Output
0 V
Indoor unit(s) or
Error
Outdoor unit or
Central R.C.
Normal
12 V
CN9 (1-2)
Output
0 V
Status
All indoor units: Stop
Normal
Error
PCB
4. Controller