11
USER MANUAL
Maintenance and care
: Inspection of the filter
en
Maintenance and care
Inspection of the filter
Preventive maintenance is necessary at regular intervals if the unit is to operate efficiently
and optimally without unintended stoppages, and to ensure the expected service life of at
least 10 years.
It is important to notice that intervals between filter maintenance can vary according to the
specific environment, and that moving parts are wearing parts, and will need replacement
when worn.
The factory warranty only applies if it can be documented that regular preventive main-
tenance has been carried out as prescribed. The documentation can be a written logbook
containing a company stamp or equivalent.
Maintenance must as a minimum be carried out as shown here:
Interval
Task
To be carried out by:
Six
months
Check filters. Replace if necessary
User
Annual
Change filters
User
Remove the upper part of the front cover.
The unit has a built-in timer for its filter alarm (every six months as standard). The timer period
for the filter alarm can be changed via the remote control or PC Tool, or it can be reset via the
alarm button
When the timer expires, a filter alarm is triggered. A buzzer will sound and the LED “!” will light
up orange. (If the LED lights up RED, please see Troubleshooting section on pagepage 42.
Press for 5
sec.
Resets the filter alarm when the alarm is triggered
Resets the filter timer without the timer having expired.
A short beep will sound, indicating that the filter alarm has been reset correctly.
Step Action
Illustration
1
Remove the filters and inspect them after
the filter alarm has been triggered.
2
Even if only one filter is dirty, we recommend
replacing both filters to avoid imbalance in
the airflow through the unit.
NOTE:
Replace the filters at least once a year,
regardless of whether they are dirty or an
alarm has been triggered.
3
When the filters have been replaced, the
filter alarm must be reset by briefly pressing
the alarm button.
A short beep will sound, indicating that the
filter alarm has been reset correctly.
Introduction
Summary of
intervals
Preparation for
inspection
Filters - alarm and
inspection
(6 months - 1 year)
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