C150: System Series - Installation Guide




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1x C150: CPU

1x CT24ACM: 24v Power Supply

1x CEPC: Naked Wireless Controller

1x C325#: AC Unit Interface (Brand Specific)

1x COCB: Smart Hub (Optional Extra)

1x CDTS: In-Duct Temperature Sensor (Optional Extra)

1x CR: Repeater (Optional Extra)

#x CRFS#: Wireless Temperate Sensors (Optional Extra and Number Supplied)


The C150 and C325# and can be installed close to the indoor fan coil unit

If any wireless sensor (CRFS#) or wireless bridge (COCB) is not within the range of the C150 then additional repeaters (CR) should be added to help relay the signal from the field device to the C150 and the bridge

Always install zones in consecutive ports starting at Zone number one (1)

The C150 is marked with the zone port numbers

Do not directly hard wire the CT24ACM into the AC unit’s power supply

Connect Zone Damper Actuators (CZDA) to the zone ports using the RJ12 cables as shown in the Wiring layout diagrams

Pair the CEPC to the C150 CPU - https://izone.atlassian.net/wiki/spaces/IH/pages/10354822

If any zone is temperature controlled, connect an in Duct Temperature Sensor (CDTS) to the CDTS port

Install the sensor into the supply air duct upstream of all dampers, then secure the sensor in place by using reinforced aluminium tape

When installing temperature controlled zones ensure the CEPC or sensor for the associated zone is installed in a location that is representative of the temperature in the room / zone

The sensor should be installed at approximately 1600mm above the floor and should not be subject to draughts, direct sunlight or heat from equipment such as computers, TV screens etc

Connect the AC unit control cable to the C150 / C325.

See AC unit wiring connection section for details - https://izone.atlassian.net/wiki/spaces/IH/pages/7209070

The building must be fitted with a compatible Wi-Fi modem

For a list of approved and recommended modems - https://izone.atlassian.net/wiki/spaces/IH/pages/5144656

If connecting the iZone system to a Home Automation system use the Ethernet connection on the bridge -

Only connect the power supply to the CT24ACM port after all components have been connected

Any existing or new air conditioning units that require modification or additional boards to facilitate the correct operation of the iZone system, is the responsibility of the installing contractor