Important! The installation and operation of the unit must comply with the user manual and all applicable electrical and technical codes and standards. Be sure to read the warnings in the manual as they contain information concerning your safety. Failure to comply may result in personal injury or damage to the system. Be sure to ground the unit! Be sure to switch off the mains power supply when installing or repairing the unit. Do not operate the unit outside the temperature range specified in the user manual or in rooms with aggressive or explosive atmospheres. Do not use damaged equipment or conductors when connecting the unit to the mains. Purpose. Compact casing of frame-panel construction (25 mm insulation) contains: fan (plastic casing, steel impeller), plate recuperator, filter (flat, purification class G4), water heater. The water heater uses a copper-aluminium plate heat exchanger 400x200, water or non-freezing mixtures can be used as a heat carrier, the maximum temperature of the heat carrier is -110°C, the maximum pressure is 1,5MPa. To regulate the supply air temperature, a thermoregulation unit is used. The capacity of the unit is up to 850 m3/hour. Installation design. The unit is operable in any spatial orientation. To change the filter, the service panel is removed. As a rule, the service panel should be located at the bottom. The unit is easy enough to install: brackets are provided in the body of the unit for fastening to building constructions. One inlet and one outlet with a diameter of 200 mm are available for connection to the duct system.