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External output
With 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
Example:
Relay unit
Connected unit (Locally purchased)
Example: Fan
Signal
Connector
1
2
1
2
10m*
12 V
On/
Off
P590
On/
O
ff
PA590
• Output voltage (Vcc): DC 12 V
50 mA or less
• *: Make the distance from the
PCB to the connected unit with-
in 10 m.
Error
Normal
On
Off
Error status
Output signal
• Optional part
Part name Model name Exterior
External connect kit UTY-XWZXZ3
External output wire
- 137 -
6-2. Outdoor unit 6. External input and output
SYSTEM
DESIGN
SYSTEM
DESIGN
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