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WARNING
Disconnect the ventilator from power mains prior to any maintenance operations.
Working on or near energized equipment could result in death or serious injury.
Maintenance of the ventilator means regular cleaning of its surfaces of dust, and cleaning or
replacing its filters.
1. Ventilation unit inspection and cleaning (once per year)
Take off the ventilation unit and clean the fan blades (Figure 13). Remove dust with a soft brush,
cloth or vacuum cleaner. Do not use water, abrasive detergents, solvents or sharp objects.
2. ERV core and filter maintenance (3-4 times per year)
a) Remove the first airflow straightener, first filter, ERV core, second filter and second airflow
straightener from the telescopic duct (Figure 14). To remove the ERV core, pull the specially
designed cord and use caution to avoid damage.
b) Clean filters as they get soiled, at least once every three
months.
- After 90 days of operation the filter replacement indicator
in the bottom of the mounting plate will glow red, indicating
it is necessary to switch off the ventilator and replace or
clean the filters.
- Wash the filters and let them dry. Only install dry filters in
the air duct.
- Vacuum cleaning is allowed.
- The filter rated service life is 3 years. For new filters contact
the Seller.
c) Some dust may accumulate on the ERV core even in case of
regular maintenance of the filters.
- Regularly clean the ERV core for maximum ventilator efficiency.
- Vacuum the ERV core at least once per year.
d) To reset the timer, install the airflow straighteners, ERV core
and filters into the ventilator and then press and hold the
power button for 10 seconds (Figure 15). The red indicator,
which indicates the filter is dirty, will turn off.
3. Exterior-mounted hood maintenance (once per year)
a) The exterior-mounted hood may get clogged with leaves and
debris, which may reduce the ventilator's performance. Check
the exterior-mounted hood twice a year and clean it as often
as required.
b) To clean the exterior-mounted hood, disassemble it (Figure 16)
and then clean the hood and air duct.
4. Replacement of the remote control battery
a) Replace the battery of the remote control after prolonged use.
b) If the ventilator does not respond to the commands from the
remote control, it is a signal to replace the battery (type: CR2025).
c) To replace the battery of the remote control, remove the
battery holder, replace the battery, and reinstall the holder
(Figure 17).
RECOMMENDED MAINTENANCE
11
Figure 13
straightener
Filter
ERV
core
Filter
Airflow
straightener
Figure 14
Figure 15
Figure 16
+
CR2025
3V
Battery type: CR2025
Figure 17
Airflow
+
CR2025
3V
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