Advertisement
HR M
ANUAL
SOUND POWER LEVEL
-12
(L
. 10
W)
RE
W
HR 25
supply air
extract air
exhaust air
fresh air
HR 35
supply air
extract air
exhaust air
fresh air
Manual version 3.0 (10-10-2017)
1.3.6 Field of application
Observe the following limits for the unit:
Operating limits for all models
Ambient conditions
Power supply voltage
Power
Parameters of use for water-heated models
Note:
n
Consult Biddle if you want to connect a unit to a
water flow-path with higher temperatures and higher
pressure.
Warning:
w
The unit may not be used in potentially
explosive environments, outdoors or in very
dusty or aggressive air conditions.
Biddle shall not be held liable for damage caused by
use under these conditions.
Sound levels
Maximum sound power level in ducts
OCTAVE BAND CENTRE FREQUENCY
63
125
250
500
69.8
65.6
76.4
75.1
65.7
60.5
70.6
69.9
69.8
65.6
76.4
75.1
65.7
60.5
70.6
69.9
75.8
70.7
78.6
78.4
68.6
65.8
75.5
72.3
75.8
70.7
78.6
78.4
68.6
65.8
75.5
72.3
Temperature
5 °C to 40°C
Relative air
20% - 95%, not
humidity
condensing
see type plate
see type plate
(H
)
Z
1000
2000
4000
8000
78.8
80.4
78.5
74.1
67.4
70.8
70.9
66.7
78.8
80.4
78.5
74.1
67.4
70.8
70.9
66.7
81.3
81.2
78.3
75.4
69.2
70.2
68.2
67.2
81.3
81.2
78.3
75.4
69.2
70.2
68.2
67.2
en
I
NTRODUCTION
L
WA
B(A)
D
85.5
76.6
85.5
76.6
86.6
76.7
86.6
76.7
en-9
Advertisement
