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Important information
Qualified personnel only
Only qualified personnel should carry out in-
stallation, configuration and commissioning.
Standards and requirements
Applicable national standards and regula-
tions dealing with installation, configuration
and commissioning must be followed if the
equipment is to operate correctly.
At the address, www.swegonhomesolu-
tions.com (Toolbox > Find PDF), you will
find the document “Project planning in-
structions for ventilation”, in which power
supply, sound, air flows and duct system
requirements are presented.
Measurement and electrical work
If you carry out voltage tests, measure the
electrical 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
It is not certain that an earth fault circuit breaker
will operate faultlessly in combination with the
ventilation unit, since the unit's regulation and
control equipment can cause leakage currents.
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
supply has been isolated before you open the
ventilation unit’s inspection door. Wait a few
minutes before you open the inspection door
so that the fans have time to stop and possible
air heaters 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 elec-
trical equipment cabinet that can be serviced
by the user. The servicing of these components
must be delegated to service personnel. Do not
restart the ventilation unit before you’ve identi-
fied the cause of the fault and service personnel
have serviced the ventilation unit.
Separate extract air (bypass for kitchen)
Keep in mind that the separate extract air
duct runs past the heat exchanger and that
use if it will affect the ventilation unit’s annual
efficiency. The separate extract air duct should
only be used while cooking is in progress and
the ordinary extract air diffuser in the kitchen
should be connected to the ventilation unit’s
extract air duct.
Models with water-heated air heater
When there is a water-heated air heater in the
ventilation 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.
Drying laundry
A tumbler dryer of extract air type or a drying cab-
inet 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.
Condensation
The surface temperature of the ventilation unit
can drop down to approximately 12 °C during
periods of low outdoor temperature and depend-
ing on the moisture content of the air surrounding
the unit, moisture may condense on the surface.
Consequently, condensation should be taken into
account when choosing furnishings that are to be
installed in the vicinity of the ventilation unit.
!
This document is intended for everyone involved in the installation work for or the use of a
Swegon CASA ventilation 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, physical 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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