Table of Contents
Advertisement
Maintenance
Hygiene checklist (extract from VDI 6022, sheet 1)
System commissioning: date__________________________
Activity
Hygiene inspection
Outdoor air intakes
Check for contamination, damage and
corrosion
Structural units / unit casing
Check for contamination, damage and
corrosion on the air side
Check for condensation
Check casing for contamination,
damage and corrosion
Air vents
Check air vents, integral perforated
plates, wire mesh or sieves for
contamination, damage and corrosion
(spot check)
Spot check filter fleece
Spot check air vents with indoor air
induction and extract air intakes for
deposits
Air filters
Check for impermissible
contamination, damage (leaks) and
odours
Longest filter replacement interval
Air ducts
Check accessible air duct sections for
damage
Check inner air duct surface for
contamination, corrosion and
condensation at two or three
representative points
Silencer
Check silencers for contamination,
damage and corrosion
Fan
Check for contamination, damage and
corrosion
Heat exchanger (including heat recovery)
Visual inspection of rotor accumulator
mass for contamination, damage and
corrosion
Heating coil: Check for contamination,
damage, corrosion and tightness
Check condensate pan for
contamination, corrosion, damage and
tightness
Check the function of the drain and
trap
Repairs
3064361_201710
18. Hygiene checklist
Regularly check that the ventilation unit is functioning correctly.
Replace the air filters in the unit at least once a year.
Wear a suitable dust mask when handling the air filters.
Dispose of the air filters in accordance with local regulations.
Action
if required
Clean and repair
Clean and repair
Clean
Clean and repair
Clean or replace
Replace
Clean
Replace affected air filters (never
operate the system without filters)
Repair
Inspect the duct network at
further points and decide whether
cleaning is necessary (not only the
visible areas)
Repair or replace; contact spotting
if required
Clean and repair
Visual inspection
Clean and repair
Clean and repair
Clean and repair
Clean and repair
Only qualified personnel may remove faults or repair damage. Only replace faulty
components with original WOLF spare parts.
1
3
6
month
months
months
X
X
X
X
X
X
X
12
24
months
months
X
X
X
X
X
X
X
X
X
X
X
X
37
Advertisement
Table of Contents
