Design and Technical Manual

6. SYSTEM DESIGN
EXTERNAL OUTPUT7-1-2.
ERROR STATUS OUTPUT

An air conditioner error status signal is produced when a malfunction occurs. •
Circuit diagram example
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1) Power supply
●Voltage (Chart sign=Vcc) : DC 24V or less
2) Load
● Load : DC 500mA or less is recommended
Signal
Outdoor unit
control PC board
Connected unit
Connector
1
2
Field supply
*33ft. (10m)
Vcc
+
+
-
Load
Vcc
Power
supply
* Make the distance from the PC board to the connected unit within 33ft. (10m).
Error
Normal
ON
OFF
Error status
Output signal
Parts (Optional)
z
Parts name External connect kit
Model name UT Y-XWZ XZ3
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SYSTEM DESIGN SYSTEM DESIGN