6. SYSTEM DESIGN
EXTERNAL INPUT7-1-1.
ON/OFF of the "Low noise mode", "External input priority mode", "Peak cut mode", and "Stop
operation ode unctions can be changed with an eterna ed deice.
LOW NOISE MODE
The following reduces the operating sound of the outdoor unit from the normal sound.
The air conditioner is set to the "Low noise mode" when closing the contact input of a commercial
timer or ON/OFF switch to a connector on the outdoor control PC board.
* Performance may drop depending on the outside air temperature condition, etc.
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 ow noise ode nput igna ora operation
* Set the "Low noise mode" level, refer to "5. FUNCTION SETTING".
ON
OFF
ON
OFF
Input Signal
Low noise 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 - 105) -
SYSTEM
DESIGN
SYSTEM
DESIGN
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