Hygiene Checklist - Wolf CFL-WRG Installation And Maintenance Instructions Manual

Maintenance
Hygiene checklist (extract from VDI 6022, sheet 1)
System commissioned: Date __________________________
Activity
Hygiene inspection
Outdoor air vents
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 strainers for contamination,
damage and corrosion (spot check)
Spot check filter fleeces
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
Silencers
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
24
11. 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 additional
points and decide whether cleaning is
necessary (not only the visible areas)
Repair or replace; contact test 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.
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
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