Rheem RIDH09AVFJ, Design & Technical Manual, Page: 32 / 64

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EXTERNAL INPUT & OUTPUT 11.
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.
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
Air fl ow 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 PC board Connected unit
Ex.) Switch
Connector
1
3
Signal
Field supply
*: Make the distance from the PC board to the connected unit within 33 ft. (10 m).
33 ft. (10 m)*
Contact capacity : DC 24 V or more, 10 mA or mor
Use non-polar relays and switches.
When function setting is in "Operation/Stop" mode ●
Operation
Stop
ON
OFF
Input signal
Indoor unit
When function setting is in "Forced 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)
 
Model name
Wire (External input)
Connector INPUT OUTPUT REMARKS
CN102 Control input —
See external
input/output settings for
details.
CN103 — Operation status output
CN6 — Fresh air control output
CN10 — Auxiliary heater output