6. SYSTEM DESIGN
EXTERNAL INPUT PRIORITY MODE
It is possible to switch to cooling operation or heating operation by using external input.
Circuit diagram example
* Make the distance from the PC board to the connected unit within 10 m.
Contact capacity: DC 24 V or more, 10 mA or more.
Use the following parts and construct a circuit as shown above.
nput igna ooing operation nput igna eating operation
*Set the "External input priority mode", refer to "5. FUNCTION SETTING".
ON
OFF
Cooling
Heating
Input Signal
Priority mode
Parts (Optional)
Parts name External connect kit
Model name UTY-XWZ X Z3
Outdoor unit
control PC board
Connector
1
2
Signal
Field supply
*10 m
Connected unit
Ex.) Switch
- (06 - 106) -
SYSTEM
DESIGN
SYSTEM
DESIGN