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Filters
Clean the air flowing through
the ventilator of dust and
foreign objects.
Prevent contamination of the
regenerator.
Front part of the indoor unit with a front panel
Fulfils the decorative function. The design enables to
shut off the air duct in case of an extended downtime of
the ventilator.
The front part of the TwinFresh Expert Duo unit is used
for air filtration.
Back part of the indoor unit
The unit includes a circuit control board and basic controls located on the side part.
Back part of the indoor unit
The unit includes a circuit control board and
basic controls located on the side part.
TwinFresh Expert Duo cartridge
Construction consisting of fans and regenerators.
Generates air flow and provides heat recovery.
TwinFresh Expert
cartridge
Construction consisting of fans, a regenerator and air filters.
Generates air flow and provides heat recovery.
Air duct
Plastic air duct.
Air flow separators
Designed for separation of
supply and exhaust air streams.
Outer ventilation hood
Prevents ingress of water and foreign objects into the ventilator.
Each ventilator model has a matching ventilation hood model.
Sound absorbing material
A layer of sound-absorbing material for attenuation of noise generated
during the ventilator operation.
TwinFresh Expert Duo
TwinFresh Expert
VENTILATOR DESIGN
OPERATING LOGIC OF THE AUTOMATIC SHUTTERS
The shutters are closed
The shutters are open
The ventilator consists of an indoor unit with a decorative front panel, a cartridge, an air duct with a sound absorbing layer and an outer
ventilation hood.
The cartridge is a basic functioning part of the ventilator.
The cartridge consists of the fan, the regenerator and two filters that ensure rough air filtration and prevent ingress of dust and foreign
objects into the heat exchanger and the fan.
The indoor assembly unit is equipped with automatic shutters that close during the ventilator standstill and prevent air backdraft.
The
TwinFresh Expert Duo RW1
units are equipped with a set of air flow separators. The design of the supplied ventilation hood
ensures opposite direction of extract and supply air flows.
The outer ventilation hood is used to prevent direct ingress of water and other objects to the ventilator.
The indoor unit is equipped with automatic shutters.
During the ventilator operation the automatic shutters are opened and let the air flow freely through the ventilator.
The automatic shutters are closed for 2 minutes at the ventilator shut down.
DESIGN AND OPERATING PRINCIPLE
