Flexit Spirit K2 User manual

111562E-01
2011-08
Quick Guide to Spirit K2
Air Handling Unit
System description
The unit provides ventilation in the home.
It supplies fresh air to living rooms and bedrooms via valves, which are normally
located in the ceiling. At the same time used air is extracted from the kitchen,
bathroom, toilet and laundry room.
The unit contains a rotating heat exchanger that recovers around
80% of the heat in the extract air and transfers it to the supply air
when needed.
The unit is operated from a separate control panel.
Operation
Fan speed
The fan speed has to be adjusted to the need
for ventilation. See "consequences of incorrect
operation".
Min Must not be used in the first year
of operation or when the home is
in use
Normal Normal operation
Max Used for raised humidity levels, e.g.
when the bathroom is in use, and
generally when there is an increased
need for ventilation
If a lot of moisture is generated, it is important to
use Max for a while afterwards to give the system
time to extract the moisture from the room.
CI60
The fan speed is
adjusted using the +
and –buttons on the
panel.
CI600
The fan speed is selected using the arrow
keys and confirmed with OK.
MAIN MENU
SETTINGS
>
OK?
MIN
NORMAL
MAX
MAX TIMER
Consequences of incorrect operation
Condensation
A lot of moisture is often generated in wet rooms as a result of drying clothes, showering,
etc. If the outdoor air is cold, it will cool the walls down and the moisture in the indoor air
could condense on the unit.
If you experience this, you must increase ventilation to Max when a lot of moisture
is being generated.
Increased ventilation will ensure that the humid air is extracted from
the room and replaced with drier air.
Filters
Old and blocked filters provide poor ventilation and can also cause condensation
problems.
New homes
New homes give off large quantities of moisture and gases from textiles, building mate-
rials, paint, etc. This is known as
off-gassing and can cause discolouration of walls and
surfaces in the home. Ventilation is therefore very important!

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1
Maintenance
Kitchen hood
Documentation
Cleaning the fans
If the fans are to retain their capacity, it is important to
ensure that they are clean. This is particularly important
for systems that are connected to a kitchen hood.
The fans therefore have to be removed for an annual
inspection and cleaned if any dirt and grease have built up
on the fan blades.
Function check
When maintenance is being carried out, the system should
be checked to make sure that important parts are working
properly:
Fans
Set the unit to Max and check that the supply air valves
are blowing and the extract air valves are sucking.
Rotor
It is vital that this should rotate when there is a need for
heat recovery, e.g. if the outdoor temperature is below
10°C. If the rotor is not working properly, an error signal
will appear on the control panel. Also check that the air
intake and exhaust are clear and not blocked by leaves
and debris.
Changing the filters
Depending on how dusty the environment is, the filters
will gradually become blocked and let less air through.
The filters therefore have to be changed at least once a
year (usually in the autumn).
Damper
When cooking, open the damper by turning the damper knob on
the front of the unit.
Position Function
0Damper closed
1Damper half open
2Damper fully open
3Damper fully open and air flow rate increased to
speed 3 (forced ventilation). Must be used when
cooking if the outdoor temperature is low to
prevent condensation forming in and on the
unit.
The grease filter must be cleaned about twice a month. Take
the filter down and place it in hot water with washing-up liquid.
The filter cassette can go in the dishwasher. The hood should be
cleaned inside with a damp cloth and washing-up liquid.
For more information see the user manual and installation instructions supplied with the product.
They can also be downloaded from www.flexit.no. Keep the projection documents, including the ventilation drawings, in
a safe place.
The unit must be unplugged from the mains before any maintenance
is carried out. Then wait a few minutes for the fans to stop.
!
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2
1
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12
AC EC