¢
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 (CN136)
Signal
Outdoor unit
control PCB
Connected unit
Connector
1
2
Locally purchased
*10 m
Vcc
+
+
-
Load
Vcc
Power
supply
CN136
• 1: Power supply
Voltage (Vcc): DC 24 V or less
• 2: Load
DC 500 mA or less
• *: Make the distance from the PCB to the con-
nected unit within 10 m.
Error
Normal
On
Off
Error status
Output signal
• Optional part
Part name Model name Exterior
External connect kit UTY-XWZXZ3
- 234 -
6-2. Outdoor unit 6. External input and output
SYSTEM
DESIGN
SYSTEM
DESIGN
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