Fujitsu AJ 126LELDH Series - External Output

2-4. External output
Connector Output signal Status
CN136 (Black)
0 V Normal
DC 12 to 24 V Error
CN137 (Blue)
0 V Stop
DC 12 to 24 V Operation
¢ Error status
This output indicates Normal or Error status of the outdoor unit and connected indoor units.
As for the required wiring specifications, refer to "Wiring specifications" on page 08-3.
1
2
+
+
-
-
CN136
(Black)
Connected unit
DC power supply
(External) 12 to 24 V
Connected load
(Operation indicator
or Error indicator)
*
3
*
1
*
2
PCB
CN136
Output
Error
12-24 V
0 V
Normal
*
1
:
Provide a DC 12 to 24 V power supply. Select a power supply capacity with an ample sur-
plus for the connected load. Do not impress a voltage exceeding 24 V across pins 1 to 2.
*
2
:
The allowable current is 30 mA or less. Provide a load resistance such that the current be-
comes 30 mA or less.
*
3
:
Polarity is “+” for pin no. 1 and “-” for pin no. 2. Connect correctly.
¢ Operation status
This output indicates Operation status of the outdoor unit.
As for the required wiring specifications, refer to "Wiring specifications" on page 08-3.
Operation
12-24 V
0 V
Stop
1
2
+
+
-
-
CN137
(Blue)
Connected unit
DC power supply
(External) 12 to 24 V
Connected load
(Operation indicator
or Error indicator)
*
3
*
1
*
2
PCB
CN137
Output
*
1
:
Provide a DC 12 to 24 V power supply. Select a power supply capacity with an ample sur-
plus for the connected load. Do not impress a voltage exceeding 24 V across pins 1 to 2.
*
2
:
The allowable current is 30 mA or less. Provide a load resistance such that the current be-
comes 30 mA or less.
*
3
:
Polarity is “+” for pin no. 1 and “-” for pin no. 2. Connect correctly.
2-4. External output - (08-5) - 2. Outdoor unit
EXTERNAL INPUT AND OUTPUT EXTERNAL INPUT AND OUTPUT