Hoval RoofVent CON-9, Design Handbook

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3.3 Air flow rate, electrical connections
Unit type TWH-9
Air distribution Nominal air flow rate Supply air m³/h 7100
Exhaust air m³/h 7100
Floor area reached max. m² 674
Energy recovery Heat recovery efficiency, dry % 75
Heat recovery efficiency, wet % 86
Fan characteristics Supply voltage V AC 3 x 400
Permissible voltage tolerance % ± 10
Frequency Hz 50
Active power per motor kW 3.0
Current consumption A 6.5
Set point of thermal relays A 7.5
Speed of rotation (nominal) min
-1
1435
Actuators with spring return
(in the roof unit)
Supply voltage V AC 24
Frequency Hz 50
Control voltage V DC 2…10
Torque Nm 15
Run time of actuator s 150
Run time of spring return s 16
Actuator
(in the combi box)
Supply voltage V AC 24
Frequency Hz 50
Control voltage V DC 2…10
Torque Nm 10
Run time for 90° rotation s 150
Filter monitoring Factory setting of differential pressure switch Pa 300
Anti-icing, plate heat exchanger Factory setting of differential pressure switch Pa 300
Table D4: Technical data for the RoofVent
®
twin heat
RoofVent
®
twin heat
Technical data