Fujitsu ABHG54KRTA, Руководство по обслуживанию

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3-2. External output
Use an external output cable with appropriate external dimension, depending on the number of ca-
bles to be installed.
¢
Indoor unit
• A twisted pair cable (22AWG) should be used. Maximum length of cable is 25 m.
• Output voltage: High DC 12 V ± 2 V, Low 0 V.
• Permissible current: 50 mA
• For details, refer to
Chapter 3-3. "Combination of external input and output" on page 05-13.

When indicator, etc. are connected directly
Example: Function setting 60 is set to "00"
1
2
CN47
LED
PCB
Resistor
Connected unit
+
-

When connecting with a device equipped with a power supply
Example: Function setting 60 is set to "00"
1
2
Connected device
CN47
PCB
Connected unit Relay
(Operation status)
-
+
¢
External input and output PCB
• A twisted pair cable (22AWG) should be used.
• Permissible voltage and current: DC 5 V to 30 V / 3 A, AC 30 V to 250 V / 3 A
• For details, refer to
Chapter 3-3. "Combination of external input and output" on page 05-13.
1
2
3
4
5
6
Power supply
Power supply
Power supply
PCB
Connected device 1
(Operation status)
Connected device 2
(Error status)
(Indoor unit fan
operation status)
Connected device 3
Example
3-2. External output
- (05-12) -
3. External input and output for indoor unit
FIELD WORKING FIELD WORKING