64
Example:
Engineering plans provide the following details for the
individual section:
■
Required pressure drop: 20 Pa
■
Air flow rate: 40 m
3
/h
The diagram in Fig. 94 shows an annular gap aperture
width
without an air deflector insert
of 9 mm.
Aperture width of the annular gap
with an air deflec-
tor insert
:
■
Air flow rate: 40 m
3
/h
·
1.33 = 53 m
3
/h
The diagram in Fig. 94 shows an annular gap aperture
width
with an air deflector insert
of 11 mm.
Pressure drop in extract air mode
Air flow rate in m³/h
4
7
9
12
a in mm
250
200
150
100
70
50
30
20
15
10
7
5
Pressure drop
in Pa
17
20
25
30
35
40
20
30 40 50 60 70
100
150 200
A
Fig. 95
A
Flow noise: A-weighted sound power level in dB(A)
Wall/ceiling air vent in "flat design"
Part no. ZK01855
■
Restrictor and fascia retainer (order fascia sepa-
rately)
■
Restrictor can be adjusted in line with the intended
air flow rate
■
Including supply air and extract air filter G3
■
Max. air flow rate 60 m
3
/h
■
For diverter closed on one side and for straight
through diverter
5,3
41
168
170
26
15
41
Ø 124
Ø 118
Fig. 96
Commissioning, inspection, maintenance
Presetting supply air and extract air apertures
(cont.)
5831646
Summary of Contents for H32E
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