Flat lter box
A at lter box with 4 pleated cell lters can be installed for the purpose of ltering
the recirculation air.
A pressure dierence control device is installed for automatic monitoring of the
lter. It shows when the lters have to be changed.
A
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
TH Pa 50 50
TC, THC Pa 100 100
Table 19: Flat lter box technical data
7.4 Paint finish
If the customer wishes, the units can be provided with an exterior paint nish.
7.5 Recirculation silencer
The recirculation silencer is mounted on the appliance and thus reduces the sound
reection 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 20: Recirculation silencer dimensions and weights
22
TopVent
®
TH
|
TC
|
THC
|
MH
|
MC
|
MHC
Operating instructions
Options
4 218 828-en-01 4 218 828-en-01
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