foris TwinFresh Expert RA1-50 C1 V.3, User Manual, Page: 6 / 24

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TwinFresh Expert RA/M1-50 (C1) V.3
The ventilator consists of an indoor unit with a decorative front panel, a fan unit, a regenerator unit, an air duct with a sound absorbing
layer and an outer ventilation hood.
The fan and regenerator units consist of two filters that ensure rough air filtration and prevent ingress of dust and foreign objects into
the regenerator and the fan.
The indoor unit of the TwinFresh Expert RA1-50 V.3 and TwinFresh Expert RA1-50 C1 V.3 models is equipped with shutters that close
when the ventilator is turned off and prevent the backflow of air, thereby preventing drafts.
The outer ventilation hood is used to prevent direct ingress of water and other objects to the ventilator.
Outer ventilation hood
Prevents ingress of water and foreign objects into the ventilator.
Each ventilator model has a matching ventilation hood model.
Regenerator unit
Provides heat recovery.
Fan unit
Creates air flow.
Air duct
Plastic air duct.
Sound-absorbing material
A layer of sound-absorbing material for attenuation
of noise generated during the ventilator operation.
Fine filter holder*
Provides the required distance between the fan and
the heat exchanger to improve the heat recovery efficiency.
Back part of the indoor unit
The assembly unit includes a control board and basic control units located on the
side of the indoor unit.
The design enables to shut off the air duct in case of an extended downtime of the
ventilator.
Front part of the indoor unit with a face panel
Press down on the front panel to close the air duct tightly. To open the air duct, pull the
front panel towards you using the grooves in the top and bottom of the panel.
Fulfils the decorative function.
VENTILATOR DESIGN
DESIGN AND OPERATING PRINCIPLE
Technical specifications of the particular model are indicated on the unit casing.
*
The TwinFresh Expert RA1-50 C1 V.3 model is not equipped with a fine filter holder.