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6. Inspection and maintenance
The correct functioning of the ventilation system, its performance
and service life can only be guaranteed if the system is inspected
and maintained in accordance with the regulations below. These
regulations are based on normal operating conditions.
6.1. Inspection and maintenance schedule
Inspection schedule
User
Installer
Filter ISO Coarse ³45% (G3)
Pollution control
1 week
—
Filter ISO Coarse 65% (G4)
9 months
1 year
Filter ISO ePM2.5 70% (F7)
6 months
1 year
Ventilation unit
Pollution control and
leakage
6 months
1 year
Engine module
Pollution control/
imbalance
—
1 year
Bypass valve/frost valve
Controls on activities/
pollution
—
1 year
Heat exchanger
Pollution control
—
1 year
Valves
Pollution control
3 months
1 year
Channels
Pollution control
—
4 years
Maintenance schedule
User
Installer
Filter ISO Coarse ³45% (G3)
Cleaning (first 3
months)
1 week
if required
Replaced (by G4 or F7)
3 months
if required
Filter ISO Coarse 65% (G4)
Cleaning
9 months
if required
Replace
18 months
if required
Filter ISO ePM2.5 70% (F7)
Cleaning
6 months
if required
Replace
12 months
if required
Mosquito filter
Cleaning
12 months
if required
Ventialtion unit
Cleaning condensation
hose
—
1 year
Fan module
Cleaning
—
4 years
Heat exchanger
Cleaning
—
1 year
Bypass valve/frost valve
Cleaning
—
1 year
Valves
Cleaning
3 months
1 year
Channels
Cleaning
—
8 years
ä Attention
!
When the ventilation system is operating under severe
operating conditions or in an extra polluted environment,
additional maintenance may be necessary.
