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EXTERNAL INPUT
11-1.
CONTROL INPUT (Operation/Stop or Forced stop)
The air conditioner can be remotely operated by means of the following on-site work.
"Operation / Stop" mode or "Forced stop" mode can be selected with function setting of indoor unit.
Unit 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.
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
When function setting is in "Operation/Stop" mode
•
Operation
Stop
ON
OFF
Input signal
Indoor unit
When function setting is in "Forcrd stop" mode
•
Remote controller
ON
ON
ON
Input signal
ON
OFF
Indoor unit
Operation
Stop
Command
Forced stop
Normal
Remote control
operation invalidity
Parts (Optional)
z
Model name
UTD-ECS5A
Wire (External input)
