HR 250 NETI

• Plastic (PPE) enclosure
• Duct connection ports of nominal diameter 125 mm.
• 2 EC (brushless) motors with shaft turning in ball bearings, each coupled to a backward curved centrifugal impeller; 3 speeds, selectable independently at the moment of installation.
• Maximum air flow 220 m3/h.
• Very high-efficiency counter-flow heat exchanger in PS resin.
• Automatic, filtered 100% by-pass
• Integrated frost protection.
• 1 M5 filter on supply air, 1 G4 filter on extract air.
• Electronic control with wired LCD display.
• Brackets for wall-mounted installation.