Hoval TopVent GV, Operating Instructions Manual, Page: 18 / 44

Flat filter box
A flat filter box with 4 pleated cell filters can be installed for the purpose of filtering
the recirculation air.
A pressure difference control device is installed for automatic monitoring of the
filter. It shows when the filters have to be changed.
A
B
Size 6 9
A mm 900 1100
B mm 140 165
Filter class ISO coarse 60 % (G4)
Weight kg 10 12.5
Factory setting of differential pressure
switches
Pa 50 50
Table 16: Flat filter box technical data
7.4 Paint finish
If the customer wishes, the units can be provided with an exterior paint finish.
7.5 Recirculation silencer
The recirculation silencer is mounted on the appliance and thus reduces the sound
reflection from the ceiling. Insertion attenuation is 3 dB compared with the total
sound power level of each TopVent ® unit.
B
A
Size 6 9
A mm 900 1100
B mm 380 485
Weight kg 15 20
Table 17: Recirculation silencer dimensions and weights
18
TopVent ® TG | GV | MG
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