Maintenance; General; Filter Maintenance - Dimplex M Flex Air Installation And Operating Instruction

Domestic ventilation unit M Flex Air (Plus)

10 Maintenance

10.1 General

To ensure safe operation at all times, the ventilation system
must undergo regular maintenance. All maintenance and repair
work that extends beyond cleaning or changing filters must be
performed by a qualified engineer. Before opening the unit,
make sure that all relevant electric circuits are disconnected
from the power and secured against inadvertently being
switched back on. Use only genuine spare parts from the man-
ufacturer.
Regular maintenance on the ventilation system in a cycle of one
to two years is necessary for hygiene reasons and to ensure
fault-free and energy efficient operation.
Maintenance work includes:
 Checking and cleaning the heat exchanger
Cleaning the inside of the ventilation unit

 Checking and cleaning the condensate drain
Checking and cleaning other system components (e.g.

heating register, outside air inlet and extract air outlet)
CAUTION!
Maintenance work on the ventilation unit may only be carried
out by a qualified engineer. This excludes tool-free filter
changes.
CAUTION!
Disconnect the ventilation unit from the power supply for
maintenance work.

10.2 Filter maintenance

All air filters in the system require regular maintenance to en-
sure hygienic, fault-free and efficient system operation.
The following maintenance intervals are recommended:
 Replace 4 weeks after startup (building dust).
Check after 6 months at the latest.

For minor soiling, tap out the filter and clean with a vacuum
cleaner (do not wash!), replace if necessary.
 Replace at least once a year.
If a filter change is indicated

HINWEIS NOTE
The filter maintenance work carried out must be logged (see
cap. 17 on page 47).
www.glendimplex.de
10.2.1 Ventilation unit filter maintenance
Maintenance work on the outside air filter and the exhaust air
filter can be carried out without tools. Note down the date of
the filter change.
Reset:
(A) After filter maintenance, acknowledge the filter signal

and reset with the OK key.
 (B) Restart the interval time for the filter signal by pressing
the OK key in the user menu under 30 - Parameter / 31 -
Status signal in the display 315 - Filter signal (if there is no
active signal).
1) Fold up the cover
2) Remove the filter cover
3) Take out the filter
4) Clean/change the filter and re-insert
HINWEIS
NOTE
The ventilation unit must not be operated without filters! Only
use genuine replacement filters with the designated filter
class. Other filters may impair the function of the ventilation
unit. The filter material influences the filter service life, oper-
ating noise, ventilation efficiency and energy consumption.
DOK4SVxxDEN · FD 9912
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