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EXTERNAL INPUT & OUTPUT
11.
EXTERNAL INPUT
11-1.
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
Initial setting after power is ON
Starting mode other than initial setting
Operation mode
Auto changeover
Mode at previous operation
Set temperature
24°C
Temperature at previous operation
Air flow mode
AUTO
Mode at previous operation
Circuit diagram example
z
Indoor
control PC board
Connector
1
2
3
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.
Surely insulate with
insulation tape etc. since
this wire is not used.
*10 m
Connected unit
Ex.) Switch
Operation
Stop
ON
OFF
Input signal
Indoor unit
Parts (Optional)
z
Model name
UTD-ECS5A
Wire (External input)
INPUT
OUTPUT
Connector
REMARKS
CONTROL INPUT
(OPERATION/STOP)
—
CN103
See external
input/output settings
for details.
—
OPERATION STATUS
CN100
—
ERROR STATUS
CN101
—
FRESH AIR CONTROL
CN161
—
AUXILIARY HEATER
CN160
