Fujitsu AUYG07LVLA Design & Technical Manual page 353

7-1-1. EXTERNAL INPUT
ON/OFF of the "Low noise mode", "External input priority mode", "Peak cut mode", and "Stop
operation ode unctions can be changed with an e terna fie d de ice.
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
Outdoor unit
control PC board
Connector
1
2
* 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
* Set the "Low noise mode" level, refer to "5. FUNCTION SETTING".
Input Signal
Low noise mode
Parts (Optional)
Parts name
Model name
Connected unit
Ex.) Switch
*10 m
Signal
Field supply
ow noise ode nput igna
ON
OFF
ON
OFF
External connect kit
UTY-XWZXZ3
or a operation
- (06 - 105) - 6. SYSTEM DESIGN