External Input And Output; External Input; External Output - Fujitsu AOYG72LRLA Installation Manual

10. EXTERNAL INPUT AND OUTPUT

Outdoor unit PC board

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, specifi 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
Low noise mode
Peak cut mode
* 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.
Circuit diagram example
Outdoor unit control
PC board
CN131
Connection cable (option)
CN132
*10m (33ft)
Connector
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
On
Off
Low noise mode
On
Off
CN136
CN137
CN131
CN132
Connector
CN131
CN132
Connected unit
(Locally purchased)
Ex.) Switch
Signal
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
On
Off
Peak cut mode
On
Off

10.2. External output

10.2.1. Wiring of connector
When installing connection cable, specifi ed part (UTY-XWZXZ3) must be used.
Output
Error status
Compressor status
* 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
Circuit diagram example
Outdoor unit control
Connection
PC board
cable
Connector
CN136
CN137
*10m (33ft)
10.2.2. Error status output (CN136)
An air conditioner error status signal is produced when a malfunction occurs.
Error status
Error
Normal
Output signal
On
Off
10.2.3. Compressor status output (CN137)
Compressor operation status signal is produced when the compressor is running.
Compressor status
Operation
Stop
Output signal
On
Off
Connector
CN136
CN137
Connected unit
(Locally purchased)
Power
supply
Load
Signal
En-14