31
6 COMMISSIONING
6.1 Setting Fan speed
The speed of the unit can be adjusted during installation according to required ventilation rate.
Figure 6. a
below shows performance curve at different settings of the 0-10V signal to the motors. Consumption refers to the
2 motors.
Table 6. b
indicates the sound level at the different speeds.
0
80
160
240
320
400
480
0
40
80
120
160
200
240
Pa
m3/h
QR220DE
20%
40%
60%
80%
100%
100%
80%
60%
40%
20%
Speed 100%
Lw dB - SOUND POWER OCTAVE BAND
LwA dB(A)
Lp dB(A)
125
250
500
1 K
2 K
4 K
8K
Tot
@3m
67
64
61
53
51
45
34
70
62
41
Fig. 6.a
Intake curve according to Reg.
1253/2014 (ErP).
Speed %
W max
m
3
/h max
20
11
56
40
24
112
60
48
161
80
77
201
100
109
227
Static Pressure - Pa
Airflow - m
3
/h
Speed 80%
Lw dB - SOUND POWER OCTAVE BAND
LwA dB(A)
Lp dB(A)
125
250
500
1 K
2 K
4 K
8K
Tot
@3m
62
60
57
48
45
37
26
65
57
36
Speed 60%
Lw dB - SOUND POWER OCTAVE BAND
LwA dB(A)
Lp dB(A)
125
250
500
1 K
2 K
4 K
8K
Tot
@3m
56
55
52
39
36
26
18
59
49
28
Speed 40%
Lw dB - SOUND POWER OCTAVE BAND
LwA dB(A)
Lp dB(A)
125
250
500
1 K
2 K
4 K
8K
Tot
@3m
50
45
36
28
23
15
16
51
39
19
Speed 20%
Lw dB - SOUND POWER OCTAVE BAND
LwA dB(A)
Lp dB(A)
125
250
500
1 K
2 K
4 K
8K
Tot
@3m
-
-
-
-
-
-
-
-
-
<9
Tabella 6.b
Sound level: dB(A) figures are average spherical free-field, for comparitive use only.
6.2 Before Starting the System
When the installation is finished, check that:
• Filters are mounted correctly.
• The unit is installed in accordance with the instructions.
• The unit is correctly wired.
• Eventual outdoor and exhaust air dampers and silencers are installed and that the duct system is correctly connected to the unit.
• All ducts are sufficiently insulated and installed according to local rules and regulations.
• Outdoor air intake is positioned with sufficient distance to pollution sources (kitchen ventilator exhaust, central vacuum system
exhaust or similar).
• The unit is correctly set and commissioned.
Содержание QR220DE
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