DECENTRALIZED HEAT RECOVERY UNIT
PURECLASS 800 CL

Decentralized heat recovery unit with high efficiency counterflow heat exchanger Eurovent certified (up to 92%) and low consumption EC motors.
The unit assures a continuous and balanced ventilation system, extracting stale air from the indoor spaces and replacing it with fresh air from outside, previously filtered.

Applications
Air renewal in schools, commercial premises, offices, hotels, public buildings.
Its “non-ducted” conception simplifies the installation of the unit, making it an ideal solution to improve indoor air quality in existing buildings that do not have a ventilation system.

Construction
Made of a self-supporting structure composed of two layers: Inner layer of galvanized steel with internal M1 thermo acoustic insulation of melamine foam 10 mm. thickness, 9,5 kg/m3 density and outer layer made of aluminum white RAL-9003 painted.
Access to filters and fans through the existing hinged doors in the lower side of the equipment.
Included 4 brackets for ceiling fixing.
Heat recovery: High efficiency counter-flow heat exchanger made in aluminium.
High efficiency fans with EC motor including integrated electronic protection.
Integrated dampers (Aluminum slats with actuator in supply air side and backdraft damper in exhaust side).

Control
Integrated ADVANCED controller. Main characteristics:
- Airflow manual and automatic adjustment.
- Constant Air Volume without the need to add any accessories.
- Variable Air Volume based on an external 0-10V signal from an external CO2 sensor accessory (PURECLASS CO2 versions incorporate the sensor inside).
- Bypass automatic control for freecooling and heat exchanger frost protection.
- Pre-heater and/or post-heater power control.
- Alarms indication.
- Modbus communication.

Filters
- ISO coarse 60% and ISO ePM1 50% filters (G4+F7) in the supply air side.
- ISO ePM10 50% filter (M5) in the extract air side.
The ISO Coarse filter has the function of protecting the supply air filter, especially after the first start-up. In case a greater filtration is needed, it is possible to replace the G4 filter with an M5 or F9 filter (Supplied as accessories).

By-pass
100% fresh air bypass integrated with manual and automatic control. The bypass is particularly useful when the indoors temperature is higher than outdoors and free cooling is preferable.

Large number of versions
Including pre-heating, postheating as well as the possibility of integrating a CO2 sensor in the extraction plenum.