Duco DucoBox Silent 400 Manuel d'installation - Page 3
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01 Introduction
Congratulations on your DucoBox Silent,
the quietest box in Europe! The
DucoBox Silent performs two functions
in a Duco Demand-Controlled Natural
Ventilation System:
On the one hand it is the extractor fan
that exhausts stale air with excessive CO
content or humidity�
On the other it is the system 'master' or
brain of the system� It receives and in-
terprets signals from slave components
(measurements from sensors or manual
input), on the basis of which it controls
the ventilation system�
It is inadvisable to connect the DucoBox
(via a duct or directly) to an extractor
hood, regardless of type� This usually
causes excessive fouling in the DucoBox,
which affects its operation or has a more
direct effect on output�
02 Product sheet
Specific energy consumption (SEC)
SEC class
Typology
Drive
Heat recovery system
Maximum flow rate in m³/h at 100 Pa
Electric power daw at maximum flow rate (at 100 Pa)
Power at 50 Pa reference flow rate
Sound power level (Lwa)
Reference flow rate in m³/h
Reference pressure difference in Pa
SPI in W/m³/h
Control factor and control typology
Air supply options: With Duco's Demand-Controlled Natural Ventilation Systems, there is a choice from a wide range of self-regulating (SR) window ventilators available for the fresh air supply�
From standard self-regulating louvres which can be fitted in every kind of window or installation site, to louvres with sound absorbing qualities for projects where there is exposure to (mild) levels
of noise, fire-resistant louvres, custom louvres for high-rise buildings, to ventilation and solar shading in a single product or electronically controlled louvres with preheating� See www�duco�eu for
more info�
Pre-/dis-assembly instructions
Annual electricity consumption (AEC)
Annual heating saved (AHS)
Master
Slave
2
DUCOBOX SILENT 400
–27 kWh/m²a
1,3 kWh/a
DUCOBOX SILENT 325
–27,2 kWh/m²a
B
B
unidirectional
variable speed
none
400
325
71,8 W
42,7 W
27 W
19 W
45 dB
41 dB
280
227,5
50 Pa
0,10
0,08
0�65 = control based on 2 or more sensors
see www�duco�eu
1,1 kWh/a
28,3 kWh/a
L2000651 Installation guide for DucoBox Silent (Revision M | 17.07.2019)
ENGLISH
CO2
RH
HIGH
LOW
INST
DUCOBOX SILENT 225
–27,3 kWh/m²a
B
225
23,3 W
11,5 W
37 dB
157,5
0,07
1,0 kWh/a
3