Envirovent Silent-100 Design Manual
SILENT DESIGN
Instruction leaflet
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SILENT DESIGN axial extractor fans
Please read this instruction booklet
carefully before installing or starting
up the product. It contains important
information on personal and user
safety measures to be followed whi-
lst installing, using and carrying out
maintenance work on the equipment.
The SILENT DESIGN extractor fans
have been manufactured following
current technical safety regulations,
production and quality standards as
laid down by the international Quality
Standard ISO 9001. All components
have been checked and every one of
the final products will have been in-
dividually tested at the end of the ma-
nufacturing process.
Check that the product is in perfect
condition while unpacking. Make sure
that the product corresponds to the
one you have ordered and that the de-
tails on the instruction plate fulfil your
requirements.
The installation and the disconnection
device of the fixed installation used
must be in accordance with the ins-
tallation regulations in force in each
country. Once the product has been
installed, pass this booklet to the end
user.
RECOMMENDATIONS
IMPORTANT: Before
installing and wiring
the unit, ensure that
the mains supply is
disconnected.
Working ambient tem-
perature for fan equi-
pment should not be
exceeded. Typically,
this falls within -5°C
to +40°C, unless sta-
ted otherwise.
The spigot cannot be
connected to a duct
which is used to ex-
tract smoke from
gas or any other fuel
appliance.
The extractor must
not be used in explosi-
ve or corrosive atmos-
pheres.
If the SILENT DESIGN
fan is operating in a
room where there is a
boiler or any other kind
of combustion device
that requires airflow
to work, check that the
9
air inlets to the room
are sufficient. This
appliance can be used
by children aged from
8 years and above and
persons with reduced
physical, sensory or
mental capabilities
or lack of experience
and knowledge if they
have been given su-
pervision or instruc-
tion concerning use of
the appliance in a safe
way and understand
the hazards involved.
Children shall not
play with the applian-
ce. Cleaning and user
maintenance shall not
be made by children
without supervision.
INSTALLATION (fig.1)
This fan is IP45 rated and it is suita-
ble for application in zones 1 and 2
with RCD protection.
1- Protection grille
2- Connection terminals
3- Outlet with backdraught shutter
4- Cable entry
5- Screwdriver to adjust Timer and
Hygrostat (not supply with S and P
models)
6- Pullcord (P models)
The SILENT is suitable for wall or cei-
ling mounting and can either extract
directly to atmosphere or via a ducted
system (fig.2).
The unit can be mounted on the wall
or ceiling using the 4 raw plugs and
the screws provided. Make a hole in
the wall or ceiling of diameter:
• SILENT-100 DESIGN: 105 to 107 mm.
• SILENT-125 DESIGN: 125 to 132 mm.
• SILENT-150 DESIGN: 160 to 158 mm.
If using the EnviroVent high rise wall
kit, please refer to kit for core drill
size
If the unit is to be installed in a duct-
ed system, use the following standard
diameter of duct:
• SILENT-100 DESIGN: 100 mm.
• SILENT-125 DESIGN: 125 mm.
• SILENT-150 DESIGN: 150 or 160 mm.
Ensure that there are no obstructions
to the airflow and that the impeller
turns freely.
Fix the extractor fan to the wall in such
a way that it is not distorted in order
to avoid noise generation or problems
with the rotation of the impeller.
Make sure that the backdraught shut-
ter opens freely and has not being
10
damaged in transit. Introduce the
mains cable through the cable entry
(4) and fix it to the wall.
Connect the electrical wiring as set
out below and then mount the protec-
tion grille (1).
ELECTRICAL CONNECTION
The SILENT DESIGN is an extractor
fan designed for a single-phase su-
pply, with voltage and frequency as in-
dicated on the rating plate of the unit.
The units are manufactured with dou-
ble electrical insulation (Class II) and
therefore they do not need an earth
connection.
The electrical cable must enter the SI-
LENT DESIGN through the cable entry
(4). The SILENT DESIGN must be con-
nected to the electrical supply in ac-
cordance with local wiring regulations.
Once the cable has been introduced
proceed using the electrical wiring dia-
gram applicable to the selected model.
SILENT S DESIGN
For these models, use the following
diagrams:
Fig.3: Switching the extractor through
the light switch.
Fig.4: To switch the fan through an in-
dependent switch.
SILENT T DESIGN
This model is provided with an adjus-
table over-run timer. The timer allows
the fan to continue to operate for the
selected period after the switch has
been turned off (fig. 6).
Fig.5 shows how to connect the fan
with timer utilising the same switch
as for the lighting circuit.
To set the timer, turn the potentio-
meter on the printed circuit board as
(fig. 7).
• To reduce the “run on” time, turn
anticlockwise (min. 1 minute).
• To increase the “run on” time, turn
clockwise (max: 30 minutes).
SILENT HT DESIGN
IMPORTANT: Do not remove the tape
covering the humidity sensor located
on the reserve of the grille.
Models provided with an electronic
humidistat which can be adjusted
from 60% to 90 % RH (Relative Hu-
midity) and with a timer, adjustable
between 1 and 30 minutes.
The desired humidity level and run
on time are selected by means of 8
dip-switches placed on the printed
circuit board, and easily accessible.
Each dip-switch has two positions
[ON (1) and OFF (0)] which are selec-
ted with the small plastic screwdriver
supplied with the fan (fig.10):
The functions of these dip-switches
are:
• Switch 1: “Interval” function selec-
tion (yes or no)
• Switches 2 and 3: Interval time set-
tings between 4, 8, 12 and 24 hours
Otros manuales para Silent-100 Design
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