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The CEXT is a module that clips on to the C225 module to extend the number of zones by an additional 6. So it will change a standard 8 zone system to 14 zones.
- CEXT Module: The Zone port extension modules allow the C225 module to be extended from 8 ports zone ports to 14 zone ports for larger systems with more zones.
- Zone damper ports: Connect the RJ12 (RJ11 on older systems) cables from the damper motors here. Start at zone 9 and connect sequential ports. ie 10,11,12......etc
- Connection pins to C225 module: Connect the CEXT to C225 on this side. 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.
- Connection ports to C325 AC unit modules: Connect the C325 AC unit module on this side
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Zone Port Extension Module Specification
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Model numbers |
CEXT |
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Power supply |
From C225 connection |
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Casing material |
Fire retardant ABS plastic |
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Operating Temperature |
Up to 65oC |
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Communications protocols |
CAN Bus |
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Number of zones |
9 to 14 (RJ11 or RJ12 connectors) |
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O/A Dimensions |
Height 32 mm Width 119 mm Length 65 mm (When connected) |
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Weight |
113 g |
Additional Information
| Item Height | No |
|---|---|
| Item Width | No |
| Item Length | No |
| Item Weight | No |
