Zehnder Caladair Freetime First Eco 3500
Zehnder Caladair Freetime First Eco 3500
Product Part Number
Caladair FREETIME 3500 First Eco - CAL24
Description
Additional Zoning options
Optional extras are available to be able to control zones via Caladair Commercial Units. Zones are controlled with electric duct dampers that can be operated by a few solutions:
PIR sensor – will detect occupation and increase airflow
Co2 sensor – will detect high levels of Co2 and increase airflow
Wall switch – increase airflow by pressing switch
Light – increase airflow when the light is switched on
BMS – increase or decrease zoned areas and unit by BMS system
The dampers can also be set to various airflow rates when open or close
Please contact us on 028 2827 5150 for more options on how to add these extras to your system
Heating & Cooling
Available heating and cooling accessories include:
Electric Preheater to prevent frost affecting the unit
Electric Post heater to increase room temperature
Water heater that can be used as heater a pre or post heater
Controllability:
A Digital control panel is available if not connecting to a BMS system
LCD controller functions
Weekly timer
Holiday timer
Summer by-pass
night-time cooling
Fault finding
Speed Parameters
Filter indicator
Fire alarm integration
Temperature sensors
Possible integration via Mobus, Bacnet or web
Filtration
1x F7 large capacity pollen intake filter and 1 x G4 extract filter
Construction
Outer construction is of airtight 10-gauge galvanised steel double-skin panels with an internal 25mm high density mineral wool insulation in accordance with EN1886
The external face is pre-lacquered with a protective film in colour RAL 7035
Circular branch connections with rubber seals
airtight construction to (ATEC CSTB n° 13-224-12).
Crimped hanging brackets to enable ceiling mounting
Heat Exchanger
Highly efficient aluminium counter-flow heat exchanger that can provide up to 90% heat recovery and designed for lifetime use