9. Maintenance
The prescribed service and maintenance intervals must be maintained in order to warrant a fault-free operation. Serv-
ice and maintenance is the basis for a warranty. These interval guidelines apply to standard air handling systems under
normal operating conditions. With heavy contamination or 24h operations, the intervals should be set at least one level
shorter. If using detergent, it must be harmless to the construction material.
Activity Action
Months
1 3 6 12 24
1 Housing/Units
1.1
All equipment chambers are to be checked for
contamination, damage and corrosion
Cleaning and repair x
1.2 Check the processes in free run-out Repair x
1.3
Check doors for leak-tightness and latches for
freedom of movement
Repair x
1.4
Check duct connection attachments for leak-
tightness
Repair x
1.5 Check for water build-up Cleaning, determine chause x
1.6 Check sealings by doors and between modules Replace if required x
2 Fan
2.1 Check fan for contamination and damage Cleaning and repair x
2.2 Check bearing Re-lubricate (observe deadlines) x
2.3 Check the vibration damper for function Repair x
2.4 Check attachment bolts Re-tighten x
2.5
If problems are detected (noises), check fan and
motor bearings
Determine cause For conspicuous problems
2.6
If problems are detected (vibrations), check fan
wheel without the v-belt for out-of-balance condi-
tion
Determine cause
(the fan wheel must come to a rest
in any position)
For conspicuous problems
2.7 Check condition of the internal thermal element Replace if required x
Belt drive
2.8
Check the belt drive for contaminants, damage
and wear
Cleaning and repair x
2.9 Check for secure attachment of the complete drive Repair x
2.10 Replace the complete belt set As required
2.11 Check protection equipment for function Repair x
2.12
Adjust alignment of the motor and ventilator
plates
x
2.13 Check belt tension Re-tension x
3 Sound attenuator
3.1 Check baffles for contaminants and damage Carefully cleaning or repair x
4 Filter
4.1
Check pocket type filters and frames for contami-
nants and damage
Cleaning and repair x
4.2
Check filter seat for leak-tightness and visually
inspect for damage
Repair x
4.3
Check filter insert for obvious contamination,
odours or leakage
Replace x
4.4 Check pressure drop
Replace filter insert when final pres-
sure drop is reached
x
4.5 Filter change at the latest 1st level x x
4.6 Filter change at the latest 2nd level x
Carbon filter
4.7 Perform odour check
Activated carbon filter cartridge to
be replaced
x
EN.SILVER.110322
The company reserves the right to make design changes without prior notice.
www.swegon.com 27
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