The C325 modules contain the required communication protocol for the control of different brands of ducted air conditioning units. See the complete list AC unit modules. The C325 needs to be connected to the C225 module to operate correctly.

To see an example of where the C325 is connected into to a typical system click here

C325 AC unit module

AC unit interface module will allow full integration of the AC unit and the iZone

Connection pins to C225 or CEXT

Ensure the pins are aligned with the female connector and take care when clipping modules together. To view assembled product please click on this link.

Model number / AC unit brand

Each brand of AC unit has its own unique model number as the protocols and PCB hardware for each brand is different.

AC unit brand this module is uses on

Written description of unit brand this module is to be used on.




AC Unit Module Specification


Model numbers


Power supply

From C225 / CEXT connection

Casing material

Fire retardant ABS plastic

Operating Temperature

Up to 65oC

Communications protocols

To suit AC unit brand connected

O/A Dimensions

Height  32 mm

Width   119 mm

Length  65 mm (When connected)


86 g





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