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Eversky • Decentralized heat recovery unit - for class rooms ≤ 1100 m³/h (counterflow)
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- Non residential
- Counterflow heat exchanger
- R-COVERY by ZEHNDER CALADAIR
- Qv ≤ 1100 m³/h
- Horizontal
- Decentralized unit with heat recovery
Heat recovery unit with high efficiency up to 85% for ceiling mounting or semi-recessed installation in the ceiling. The range includes 4 sizes and for flow rates from 150 to 1.100 m³/h.
Every
Eversky model comes standard with a built-in C02 regulation.
The Eversky unit is available in 4 versions:
- EVERSKY FIRST (Basic unit with 2 filters, 2 fans and counterflow)
- EVERSKY SMART (First with electric preheating battery)
- EVERSKY PREMIUM (First with electric OR water post heating battery)
- EVERSKY INFINITE (Premium with electric preheating battery)
The Eversky is a self-regulating unit with an extensive regulation module.
This unit is only intended for an indoor installation.
The Eversky is the only school unit with a EUROVENT certificate!
Brand
- R-COVERY by ZEHNDER CALADAIR
Application
- Decentralized school unit
- Selfregulating ventilation and high efficiency heat recovery in non residential and industrial applications
Suitable for renovations: schools, nurseries, offices and commercial buildings - Air filtration, temperature and CO2 control
- Compact monoblock ventilation unit, with plug & play and energy-saving control system (EN 15232)
Composition
- Double skinned panels with high-density mineral wool insulation 25 mm (M0), fire class A2-S1
- Outer layer: prelacquered steel plate in pure white (RAL 9010) with protective film
- Inner layer: galvanized steel plate 10/10
- Large doors for easy access to the internal elements – patented system
- Patented mounting frame for easy ceiling mounting
- Round connections with lip sealing for all models
- Patented connection system: one type of unit that can be easily converted on site from rear connections to side or top connections
- Motorised dampers for outdoor air and exhaust air included
- Sloping and removable condensate tray; drain via siphon or via condensate pump (option)
- Built-in 100% Bypass, motorised and auto regulating
- Built-in regulation with external display IP65 (supplied loose in the unit)
- DIVA – regulation: CO2 controlled ventilation
- The unit is equipped with a Corrigo controller version 5.
- The touchscreen controller type Easy 5.0 is supplied separately in the unit
- The controller is supplied with 2m cable
- This cable can be extended on site to a maximum of 100m
- Integrated FREE COOLING and NIGHT COOLING function
- Supply grille with double deflection in RAL9010
- Built-in temperature sensors (4)
- Built-in clock for operation between two flow rates
- Built-in week clock and public holidays
- Safety switch
- Pressure switch on inlet filter F7
- Pressure switch on each fan
- Standard Modbus or Bacnet available
- Only available in right execution (see configuration)
Fan
- Direct driven EC motor with electronic commutation (EC) with high efficiency, thermal protection and integrated speed control
- The EC technology ensures limited energy consumption by managing and controlling the operating point (regulation from 10 to 100%)
- Low noise level (< 35dB(A) at maximum speed at 1m) for a better acoustic comfort
Exchanger
- Static counter-flow heat exchanger made of seawater resistant aluminium
- Efficiency >85% (EN308)
- Frost protection by means of bypass control
Filter
- Filters are placed directly in front of the components for optimal protection
- Mounted on sliding rails with lip seals to ensure efficient air tightness
- Eversky basic configuration with a F7 - ISO 16890 ePM1 55% - (inlet air and exhaust air) filter
- F7 high efficiency filter: 10x higher filtration surface than a gravimetric filter and life span 2.5x longer
Versions
- EVERSKY FIRST (Basic unit with 2 filters, 2 fans and counterflow)
- EVERSKY SMART (First with integrated electric preheating battery)
- EVERSKY PREMIUM (First with integrated post heating battery)
- EVERSKY PREMIUM BE: ventilation unit with electric post heating battery
- EVERSKY PREMIUM BC: ventilation unit with water heating battery
- EVERSKY INFINITE (Premium with integrated preheating battery)
- EVERSKY INFINITE BE: ventilation unit with electric post heating battery
- EVERSKY INFINITE BC: ventilation unit with water heating battery
Options
- DIVA®: Proportional modulating flow rate (between a set min. and max. flow rate) of each fan according to a built-in CO2 measurement. The amount of CO2 (number of ppm) is adjustable in the control.
Certification
- The device is tested according to NBN EN 308: www.epbd.be
- Efficiency of the heat exchanger of more than 85% (EN308), in accordance with RT2012 and ErP 2009/125/EC directives
- EUROVENT classifications according to EN1886 and EN13053 (model box AIRFLAT)
- Standard construction with double skinned panels of 25mm
- Mechanical strength class: D1
- Air tightness: Class L1
- Conductivity: T3
- Thermal bridge factor: TB3
- Filter leakage class: F9
- Exterior panel made of lacquered steel 10/10
- Finish RAL7035 - 25µm, gloss 40%, film 80µm
- Inner panel made of galvanized steel 10/10
- Insulation: high density 25mm mineral wool, fire class A2-S1 (M0)
Accessories
- Galvanised canopy with grille, type UT
- Digital control ED Touch for controlling of GTDHR(V), Hexamotion(-S), Freetime(-S), Silvertop, Neotime, Eversky units
- Spare filter FS-EVERSKY
- Connection piece for fittings, type MDV
Text for tender
Order example
EVERSKY 500 PRE BE D
Explanation
EVERSKY = type of heat recovery unit
500 = size (500-750-900-1100)
First = First uitvoering
Smart = Smart uitvoering
PRE = Premium version
INF = Infinite version
BE = with electric battery
D = DIVA EC regulation
Battery
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