10. External input and output
Indoor unit type
External input External output
Control input Operation status output Error status output
Wall mounted ● ●
●
(UIWH07/09/12/15AVFJ)
10-1. External input
With using external input function, some functions on this product can be controlled from an exter-
nal device.
• “Operation/Stop” mode or "Forced stop" mode can be selected with function setting of indoor
unit.
• A twisted pair cable (22AWG) should be used. Maximum length of cable is 492 ft (150 m).
• The wire connection should be separate from the power cable line.
¢
Control input (Operation/Stop or Forced stop)
Indoor unit type Connector
Wall mounted
UIWH07AVFJ, UIWH09AVFJ, UIWH12AVFJ,
UIWH15AVFJ
CNA01
UIWH18AVFJ, UIWH24AVFJ CN14
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 PCB 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 76 °F (24 °C) Temperature at previous operation
Airflow mode AUTO Mode at previous operation
Air direction (swing) Standard air direction (swing: off) Air direction at previous operation
Circuit diagram example
Indoor unit
control PCB*1
Example: Switch
Locally purchased
Connected unit
1
3
Signal
Connector
33 ft. (10 m)*2
• Contact capacity: DC 24 V or more, 10 mA or more.
• *1: PCB of Communication kit is used for wall mount-
ed (UIWH07AVFJ, UIWH09AVFJ, UIWH12AVFJ,
and UIWH15AVFJ) type.
• *2: Make the distance from the PCB to the connect-
ed unit within 33 ft (10 m).
• Use non-polar relays and switches.
Indoor unit type
1-pin 3-pin
(Polarity) (Polarity)
Wall mounted
UIWH07AVFJ, UIWH09AVFJ, UIWH12AVFJ,
UIWH15AVFJ, UIWH18AVFJ, UIWH24AVFJ
- +
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MULTI TYPE
2, 3, 4 ROOMS TYPE
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