- (02 - 15) -
O
U
TD
O
O
R U
N
IT
AO
A
45
-5
4LC
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TD
O
O
R U
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IT
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A
45
-5
4LC
EXTERNAL INPUT & OUTPUT
12.
EXTERNAL INPUT
12-1.
ON/OFF of the "Low noise mode" and "Peak cut mode" functions can be specified by external
signal.
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
z
Outdoor unit
control PC board
Connector
1
2
Signal
Field supply
*10m
Connected unit
Ex.) Switch
Contact capacity : 24VDC or more, 10mA or more.
* Make the distance from the PC board to the connected unit within 10m.
Use the following parts and construct a circuit as shown above.
•
Input Signal∙∙∙ON : Low noise mode, Input Signal∙∙∙OFF : Normal operation
•
* Set the "Low noise mode" level, refer to "13.FUNCTION SETTING".
ON
OFF
ON
OFF
Input Signal
Low noise mode
Parts (Optional)
z
Parts name
External connect kit
Model name
UTY-XWZXZ3
Input
Output
Connector
Remarks
Low noise mode
―
CN10
See external
input/output settings
for details.
Peak cut mode
―
CN11
―
Error status
CN12
―
Compressor status
CN13
