I
NTRODUCTION
H
EAT
RECOVERY
UNIT
en-10
en
Maximum sound power level in unit housing
Maximum sound pressure level in standard room
Maximum number of units to be connected
The number of ventilation units that can be connected to the
heat recovery unit depends on the unit’s capacity and the
effective capacity of the ventilation units that are to be con-
nected.
If in doubt, consult your Biddle advisor.
See also:
1.3.7 CE declaration
The unit is compliant with the applicable CE standards. The
complete CE Declaration of Conformity can be found at:
www.biddle.info.
1.3.8 Modifications and changes
Without the approval of Biddle, no changes or modifications
may be made to the unit that could adversely affect safety. The
CE declaration is no longer valid if the unit has been modified
or changed in any way.
TECHNICAL
SPEED
D
B(A)
(L
WA
RE
.10
-12
W)
HR 25
HR 35
10 V DC (high speed)
74
74
8 V DC
68
69
6 V DC
63
64
5 V DC
58
60
TECHNICAL
SPEED
D
B(A)
(L
PA
RE
.2
X
10
-5
N/
M2
)
HR 25
HR 35
10 V DC (high speed)
66
66
8 V DC
60
61
6 V DC
55
56
5 V DC
50
52
