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Heat recovery units HRU-WALL

Photo of product family: Heat recovery units HRU-WALL

HRU-WALL is an inside wall mounted heat recovery unit, designed to ensure adequate ventilation in enclosed environments without energy losses. High efficient reversible EC motor with integral thermal protection, mounted on sealed for life high-quality ball bearings. Heat recovery unit is designed for continuous running. Regenerative heat exchanger with a ceramic core; high thermal efficiency (up to 82%).

Through-the-wall single room heat recovery unit HRU-WALL is available in two sizes: Ø100mm and Ø150mm. Alternate flow with flow reversal approx. every 70 seconds. It is recommended that two units are installed in pair: when one unit is pulling, the other is pushing. A pair of units can be installed in the single room or in different rooms (i.e. living room and bedroom). Heat recovery unit is suitable for installation on an outside wall.

Heat recovery units HRU-WALL - Products range
Miniature picture Product code Name of product Files to download
Photo of product Single Room Heat Recovery Units for through-wall installation HRU-WALL Single Room Heat Recovery Units for through-wall installation
Photo of product HRU-WALL-RC Push-pull heat recovery unit with remote control HRU-WALL-RC

HRU-WALL-RC Push-pull heat recovery unit with remote control


HRU-WALL-RC is a bidirectional ventilation unit, often
described as decentralized or push-pull, with regenerative
ceramic heat exchanger. It is intended for single room
installation, usually installed in synchronised pairs. The heat
exchanger material together with its unique honeycomb
structure gives a maximal 82% thermal efficiency ratio
(74% acc. to 1254/2014 EU Directive reference measuring
point). The casing is made of ABS. The operating principle is
analogous to HRU-WALL - unit is working in alternating flow
mode, switches the air flow directions every 40-120 seconds
(push-pull) and it’s equipped with energy efficient EC fan
(maximum power consumption is only 6 W). The RC version has several advantages:
• Remote controller with an LCD
• 5 speeds: 20-30-40-50-60 m3/h
• Double filter (inner and outer side)
• Multicolour LED for status indication
• Automatically manages the cycle length in COMFORT mode
• Dirty filter visual indicator
• Boost function - maximum airflow for limited time – 5th speed for 15 minutes
• Integrated humidity sensor – smart humidity control, increases speed if rapid rise of relative humidity is measured
• Anti-frost protection
• Free-cooling - only one direction.

HRU-WALL-RC Push-pull heat recovery unit with remote control
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