1.20 General installation instructions
1. The C225, C325 and CEXT can be installed close to the indoor fan coil unit.
2. If any wireless sensor (CRFS) or wireless bridge (CB) is not within the range of the C225 then additional repeaters (CR) should be added
to help relay the signal from the field device to the C225.
3. Do not run the network cables alongside 240 Volt wiring.
4. When installing network cables down wall cavities or chasing network cables into walls, tape up and protect the RJ45 connector to avoid
damage to the connectors. Installation damage to cables is not covered under warranty.
5. Always install zones in consecutive ports starting at Zone 1. The C225 and CEXT are marked with the zone port numbers.
6. Do not directly hardwire the CT24V into the AC unit’s power supply. This may void the warranty as it will require an electrician in the event
that a repair of the iZone power supply is required.
7. Connect Zone Damper Actuators (CZDA) to the zone ports using the RJ11 cables as shown.
8. Connect the Colour Touch Screens (CCTS) to the iZone Net ports using the RJ45 cables. If you are connecting more than 3 components
requiring iZone Net ports to the system you will need to connect a Network Extension Module Kit (CNEMK) to one of the iZone Net ports
on the CC225 using a short RJ45 cable.
9. If any zone is temperature controlled, connect a Duct Temperature Sensor (CDTS) to the CDTS port. Install the sensor into the supply air
duct upstream of all dampers. Secure the sensor in place by using reinforced aluminium tape.
10. When installing temperature controlled zones ensure the CCTS 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. The supply air outlets to
this room must not blow conditioned air directly onto the sensors or touch screens.
11. Connect the AC unit control cable to the C225 / C325. See table 1.16 for details. (This cable is not supplied by Airstream.)
12. The building must be fitted with a compatible WiFi modem. Contact Airstream for a list of approved and recommended modems.
13. If connecting the iZone system to a Home Automation system use the Ethernet connection on the bridge.
14. Only connect the power supply to the CT24VAC port after all components have been connected.
15. Any existing or new air conditioning units that require modification or additional boards to facilitate the correct operation of the iZone
system, is the installing contractors responsibility.
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