Fujitsu AOYG72LRLA, Installation Manual

Page: 15 / 18

En-14
10. EXTERNAL INPUT AND OUTPUT
Outdoor unit PC board
CN131
CN132
CN136
CN137
10.1. External input
10.1.1. Wiring of connector
On/Off of the “Low noise mode”, and “Peak cut mode” functions can be enabled with an
external
fi eld device.
When installing connection cable, speci fi ed part (UTY-XWZXZ3) must be used.
Refer to section 9.1. Table. Settings List, for the required function. The function must be
set for the external input to work.
Input Connector
Low noise mode CN131
Peak cut mode CN132
* Make the distance from the PC board to the connected unit within 10m (33ft).
• The switch can be used on the following condition: DC 12 V to 24 V, 1 mA to 15 mA.
CN131
CN132
Circuit diagram example
Outdoor unit control
PC board
Connected unit
(Locally purchased)
Ex.) Switch
Connection cable (option)
Signal
Connector
*10m (33ft)
10.1.2. Low noise mode (CN131)
• This features 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.
* Set the “Low noise mode” level, refer to “9.1. Function settings”.
Input Signal ···On : Low noise mode
···Off : Normal operation
Input Signal
Low noise mode
On
On
Off
Off
10.1.3. Peak cut mode (CN132)
• Operation that suppressed the current value can be performed by means of the
connected unit. The air conditioner is set to the Peak cut mode by applying the contact
input of a commercial On/Off switch to a connector on the outdoor control PC board.
* Set the “Peak cut mode” level, refer to “9.1. Function settings”.
Input Signal ···On : Peak cut mode
···Off : Normal operation
Input Signal
Peak cut mode
On
On
Off
Off
10.2. External output
10.2.1. Wiring of connector
When installing connection cable, speci fi ed part (UTY-XWZXZ3) must be used.
Output Connector
Error status CN136
Compressor status CN137
* Make the distance from the PC board to the connected unit within 10m (33ft).
1) Power supply
• Voltage (Chart sign=Vcc) : DC 24V or less
2) Load
• Load : DC 500mA or less is recommended
CN136
CN137
Circuit diagram example
Outdoor unit control
PC board
Connected unit
(Locally purchased)
Connection
cable
Signal
*10m (33ft)
Connector
Load
Power
supply
10.2.2. Error status output (CN136)
An air conditioner error status signal is produced when a malfunction occurs.
Error status
Output signal
Error
On
Normal
Off
10.2.3. Compressor status output (CN137)
Compressor operation status signal is produced when the compressor is running.
Compressor status
Output signal
Operation
On
Stop
Off
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