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