External Output - Fujitsu AUUH18LUAS Service Manual

4-2. External output

→ith using external output function, some status signals are transmitted to the control PCB, and the
related LED lamp indicates the status of this product.
¢ Error status output
Signal on air conditioner error status is generated when a malfunction occurs.
• Circuit diagram example
Outdoor unit
control PCB
Connector
12 V
1
On/
Off 2
1
On/
Off
2
Error status
Output signal
• Optional part
Part name
External Connect Kit
4-2. External output
Connected unit (Locally purchased)
Example:
Relay unit
10m*
(33ft)
Signal
Error
Normal
On
Off
Model name
UT↔-↓→Z↓Z3
•
•
Example: Fan
- (05-47) -
Output voltage (Vcc): DC 12
V 50 mA or less
*: Make the distance from
the PCB to the connected
unit within 33 ft (10 m).
Exterior
External output wire
4. External input and output (for 24-36 outdoor units)