External Input & Output; External Input - Fujitsu AR C72LHTA Series Design & Technical Manual

11. EXTERNAL INPUT & OUTPUT
INPUT
CONTROL INPUT
(OPERATION/STOP)
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11-1.

EXTERNAL INPUT

CONTROL INPUT (Operation/Stop)
„ „
The air conditioner can be remotely operated by means of the following on-site work.
Operation is started at the following contents by adding the contact input of a commercial ON/OFF
switch to a connector on the external control PC board and turning it ON.
Unit operation
Operation mode
Set temperature
Air flow mode
Circuit diagram example
z „
Indoor
control PC board
Connector
1
2
3
Surely insulate with
insulation tape etc. since
this wire is not used.
Input signal
OFF
Operation
Indoor unit
Stop
Parts (Optional)
z „
Model name
UTD-ECS5A
Wire (External input)
OUTPUT
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OPERATION STATUS
ERROR STATUS
FRESH AIR CONTROL
AUXILIARY HEATER
Initial setting after power is ON
Auto changeover
24°C
AUTO
Connected unit
Ex.) Switch
*10 m
Signal
Field supply
* Make the distance from the PC board to the connected unit within 10 m.
Contact capacity : 5VDC or more, 15mA or more.
Please use non-polar relays and switches.
ON
- (01 - 23) -
Connector REMARKS
CN103
CN100
See external
CN101 input/output settings
for details.
CN161
CN160
Starting mode other than initial setting
Mode at previous operation
Temperature at previous operation
Mode at previous operation