W3.260419
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Important information
Qualified personnel only
Only qualified personnel should carry out installation,
configuration and commissioning.
Standards and requirements
The pertinent national standards and regulations
dealing with installation, configuration and com-
missioning must be followed if the equipment is to
operate correctly.
At the address, www.swegonhomesolutions.com
(Toolbox > Find PDF), you will find the document
“Project planning instructions for ventilation”, in
which power supply, sound, air flows and duct sys-
tem requirements are presented.
Measurement and electrical work
If you carry out voltage tests, measure the electri-
cal insulation resistance at various points or perform
other remedial measures that could damage sensitive
electronic equipment, you must first isolate the venti-
lation unit from the electrical supply grid.
Surge protection
Swegon recommends that all ventilation units
equipped with Smart automatic control be equipped
with a surge protection device.
Earth fault circuit breaker
Swegon recommends that all ventilation units
equipped with Smart automatic control be equipped
with a residual current device. Comply with local
electrical safety regulations when you install electrical
equipment.
To open the ventilation unit for service
Always ensure that the ventilation unit’s power sup-
ply has been isolated before you open the inspection
door! Wait a few minutes before you open the in-
spection door on the ventilation unit so that the fans
have time to stop and air heaters, if fitted, have time
to cool down.
Always turn the ventilation unit’s service switch to
the 0-position before opening the inspection door.
There are no components inside the electrical equip-
ment cabinet that can be serviced by the user. Leave
the servicing or these components to service person-
nel. Do not restart the ventilation unit before you’ve
identified the cause of the fault and service personnel
have serviced the ventilation unit.
Drying laundry
A tumbler dryer of extract air type or a drying cabinet
must not be connected to the system due to the high
moisture content in the air it discharges. However,
we recommend the use of a condensing tumbler
dryer without duct connection.
Models equipped with water-heated air
heater
When there is a water-heated air heater in the ven-
tilation system (Econo model ventilation unit or duct
mounted air heater) the system should be equipped
with shut-off damper so that the air heater cannot
freeze during a power failure.
Commissioning
Do not commission the ventilation unit until all car-
pentry work that produces large quantities of sand-
ing dust or other impurities has been completed.
The duct connection spigots of the ventilation unit
must be covered by lids while the unit is being trans-
ported, kept in storage and mounted at its final
location.
Make sure that the ventilation unit, filters and ducts
are clean and that there are no loose objects in them
before you commission the ventilation system.
Condensation
The surface temperature of the ventilation unit can
drop down to 12 °C during periods of low outdoor
temperature and depending on the moisture content
of the air surrounding the unit, moisture may con-
dense on the surface. Consequently, condensation
should be taken into account when choosing fur-
nishings that are to be installed in the vicinity of the
ventilation unit.
NOTE! The manual’s original language is Finnish.
!
This document is intended for everyone involved in the installation work for or the use of a Swegon CASA ven-
tilation unit. Read this Instructions for Use before you use the ventilation unit. Save the Instructions for Use for
future use. If you mislay the Instruction for Use, you can download a new copy from our website.
The ventilation unit is not designed to be used by children (below 8 years old) or by persons whose senses, physi-
cal or mental capacity or a lack of knowledge and experience limits safe use of the ventilation unit. Such persons
may use the ventilation unit if supervised by a person who is responsible for their safety, or according to the
instructions.
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