Hygiene Checklist - Wolf CRL Series Installation And Maintenance Instructions Manual

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 air/air plate heat
exchanger 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_201811

19 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
Changing the affected filters
Never operate the unit 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, remove if necessary (undo
spacer and clean out countercurrent heat
exchanger)
Clean and repair
Clean and repair
Clean and repair
Only qualified personnel may remove faults or repair damage. Replace faulty
components only 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
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