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
Motors
The unit has 2 x low energy, high efficiency backward curved EC motors with heat and speed protection
Installation
The unit is horizontal mounted on the ceiling or floor and has adjustable hanging brackets to secure to frame or concrete ceiling, please ensure that the structure can take the weight of the unit etc.
The condensate drain point consisting of a metal 15mm BSP pipe is provided on the side of the unit that should be connected to a drain via a waterless trap
Installation of Ductwork
We recommend you use Metal Spiral ducting and fittings due to superior strength.
Dimensions
Model |
Length (mm) |
Width (mm) |
Height (mm) |
Freetime 3500 |
1085 |
1420 |
1730 |
Accessories
In addition to a choice of compatible ducting systems a full range of controls, sensors, in-line silencers, floor/wall/ceiling inlet and outlet diffusers are available to complete the installation.
Guarantee
2-year parts guarantee
Please Note – These units are built to order
For a lead time on these Caladair Freetime Commercial Units please contact our sales team on 028 2827 5150