Samsung ERV RHF025EE Service Manual page 126

14. Reference Sheet
14-1 Ventilator Operation Principle
Hood
Exhaust Air
14-1-1 Operation Principle
■ Purpose : The ventilator aims at enhancing indoor air quality with utilizing fresh outdoor air. (At this section, only technological
explanation is provided.)
■ Process : The ventilator supplies outdoor air and exhaust indoor air.
■ Air Volume : The volume is determined according to volume of supply air or exhaust air. It is indicated with CMH
(Cubic Meter per Hour).
14-1-2 Additional Function
■ The unit supports Heat-EX mode and By-Pass mode (selected by DAMPER).
■ Heat-EX mode : Temperature and humidity of indoor air and outdoor air are exchanged
(The function minimizes heat loss from the process of ventilation).
■ By-Pass mode : Ventilation process without exchanging heat of indoor and outdoor air.
14-1
Anchor bolt
Exhaust duct
Return Air Duct
Insulation
Outdoor Air suction duct
Hood
Supply Air duct
Air discharging hole
(Air exhaust grille)
Return Air
Air intake hole
(Air exhaust grille)
Supply Air
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