External Input & Output - Fujitsu AB A30LBT Series Service Instruction

3-2. EXTERNAL INPUT & OUTPUT
EXTERNAL INPUT
Start / stop input
Corresponding indoor units : All indoor units
Contents of operation : The air conditioner can be remotely operated by means of the following
Operation mode
Set temperature
Air ßow mode
Up-down air direction (swing)
Left-right air direction (swing)
Circuit diagram example
Indoor
control PC board
13.5 V
CN102
1
3
ON
Input device SW
OFF
ON
Air conditioner
OFF
on-site work.
Operation is started at the following contents by adding the contact input
of a commercial ON/OFF switch to a connecter (CN102) on the external
control PC board and turning it ON.
Initial starting after power turned on
Auto changeover
24°C
AUTO
Standard air direction (swing OFF)
Standard air direction (swing OFF)
Relay circuit
Signal
Procured at the site
03-09
Starting other than at the left
Mode at previous operation
Temperature at previous operation
Mode at previous operation
Air direction at previous operation
Air direction at previous operation
Input device
Relay
power
supply
SW