Nova CAT connection kit
Part number: C546K
Description
Climate control kit that communicates with the...
Specifications
| Entry | Description |
|---|---|
| Model numbers | C225 |
| Power supply | 24VAC 50Hz |
| Casing material | Fire retardant ABS plastic |
| Power connection | iZone transformer CT24ACE |
| Operating Temperature | Up to 65oC |
| Communications protocols | Wired CAN Bus Wireless 433Mhz (iZone proprietary protocol) |
| Number of zones | 0 to 8 (RJ11 or RJ12 connectors) |
| O/A Dimensions | Height (Without Antenna) 32 mm Height (With Antenna vertical) 124mm Width 121mm Length 117 mm |
| Weight | 200 g |
Included parts
The kit includes the following parts:
| Part number | Description |
|---|---|
| C225 | CPU Module |
| C225 | CPU Module |
| C225 | CPU Module |
| C225 | CPU Module |
| C225 | CPU Module |
| C225 | CPU Module |
Installation guides
Nova CAT5 online wizard
Nova CAT5 quick install guide
Nova installation video
User manuals
Nova user manual
Nova user video
Related parts
Nova Mini with CAT5 connection (C536K)
Nova with power connection (C545K)
Nova Mini with power connection (C535K)
Nexus climate control kit (C430K)
Troubleshoot guides
AC unit error - No comms
The indoor fan coil unit and the izone control system is not communicating. Poteential issues:
- Faulty C325 module
- Wiring not correct
- Fan coil unit powered off
- C225 powered off
Firmware version history
Details
C546K 3.77 - Jan 2026
- Note