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Servicing and maintenance
No.
Activity / unit component
4.8.4
Venting
4.8.5
Check the hygiene condition
4.9
Droplet eliminator
4.9.1
Inspect for soiling damage and coating
formation
4.9.2
Check function of water drain and odour
trap
5
Heat recovery, general
5.1
Heat exchangers and their accessories must be checked regularly for airborne contamina-
tion, corrosion and damage.
5.2
Check for soiling, damage and corrosion
5.3
Check leak-tightness between exhaust and
outdoor air supply
5.4
Check condensate tray for soiling, corro-
sion and function
5.5
Check function of siphon
5.6
Check the hygiene condition
Plate heat exchanger
5.7
5.7.1
Inspect on the air side for soiling, damage
and corrosion
5.7.2
Clean to preserve function (air-side)
5.7.3
Check function of water drain and odour
trap
5.7.4
Check for hygienic condition
6
Multi-leaf dampers
6.1
Check for soiling, damage and corrosion
6.2
Check the mechanical function
6.3
Check the function of the damper adjusting
actuators
7
Fans
7.1
Inspect the fan for soiling, damage and
corrosion
7.2
Check the impeller for soiling, unbalance
and running noises
8
Control unit
8.1
Perform visual inspection of clamping and
plug-in connections
3059570
Measure / remark
Function-preserving of all surfaces,
including drip trays; dismantle the droplet
eliminator, if necessary
Clean and repair
Clean and repair
Repair
Repair
Repair
Clean and repair
Clean and repair
Clean and repair
Repair
Repair
Clean and repair
Switch on motor briefly
Clean and repair
Clean, check that they are seated firmly
Subject to changes in line with technical progress.
Inspections to be performed
at monthly intervals
X
X
X
X
1
3
6
12
24
X
X
X
X
X
X
X
X
X
1
3
6
12
24
X
X
X
1
3
6
12
24
X
X
1
3
6
12
24
X
53
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