External Input And Output; External Input; External Output; Connection Method - Fujitsu 30RLXEH Installation Manual

10. EXTERNAL INPUT AND OUTPUT

Wall mounted model cannot use this function.

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 field device.
When installing connection cable, specified part (optional parts) must be used.
Refer to section 9.2, 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).
• Contact capacity : 24VDC or more, 10mA or more.
Circuit diagram example
Outdoor unit control
PC board
1
CN10
2
Connection cable (option)
1
CN11
2
Connector
10.1.2. Low noise mode (CN10)
• 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 "9.2. Function settings".
Input Signal ···ON : Low noise mode
···OFF : Normal operation
Input Signal
ON
OFF
Low noise mode
ON
OFF
10.1.3. Peak cut mode (CN11)
• 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 "9.2. Function settings".
Input Signal ···ON : Peak cut mode
···OFF : Normal operation
Input Signal
ON
OFF
Peak cut mode
ON
OFF
En-14
Connector No. Optional parts
CN10 External connect kit
CN11 External connect kit
Connected unit
(Locally purchased)
Ex.) Switch
*10m (33ft)
Signal

10.2. External output

10.2.1. Wiring of connector
When installing connection cable, specified part (optional parts) must be used.
Output Connector No.
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 (option)
Connector
+
1
CN12
2
1
CN13
*10m (33ft)
2
10.2.2. Error status output (CN12)
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 (CN13)
Compressor operation status signal is produced when the compressor is running.
Compressor status
Operation
Stop
Output signal
ON
OFF

10.3. Connection method

Do not fix with the fan motor cable.
Do not route the connection cable overlapping with the power supply cable.
Remove the Inverter cover before work.
Fan motor cable
Fix the connection cable with other wires.
Let the connection cable pass in the knock out hole.
To protect the wiring after opening a knock out hole,
remove any burrs from edge of the hole.
Be sure to install the Inverter cover after the wiring
complete.
Optional parts
CN12 External connect kit
CN13 External connect kit
Connected unit
(Locally purchased)
Vcc
Vcc
Power
supply
+
Load
-
Signal
CAUTION
CN13 (Blue)
CN12 (Black)
CN10 (Yellow)
CN11 (Green)