Maintenance
CAIR
fricostar
®
FläktGroup DC-2009-0019-GB 2018-01/R9 • Specifications are subject to alteration without notice
61
Within first 3 months following commissioning
Unit part
Frequency Action
✓
Entire unit
monthly
•
Carry out all steps as specified in section „Routine cleaning and maintenance“ on
page 49.
•
Clean and refill available traps. (Reduce the frequency, if required)
•
Check for proper dehumidification function.
Tab. 9-1
Unit part
Frequency
(months)
Action
✓
Unit (see
page 63)
Monthly
•
Clean and refill available traps. (Reduce the frequency, if required)
Every 3
months
•
Check casing for damage and proper fit.
•
Check/replace gaskets of all service openings.
•
Check panels for damage and corrosion, renew corrosion protection and check
proper operation of door stop device (on the pressure side).
•
Hygiene inspection (FläktGroup recommends to carry out maintenance jobs at
intervals specified in VDI 6022!): check built-in parts for contamination and clean,
if necessary; disinfect by wiping; check gaskets and seals for mould and
microbial growth, replace if necessary.
Belt-driven
fan assembly
(see page 63
et seq.)
Every 3
months
•
Check fans and motors for secure mounting position, debris, damage and
corrosion.
•
Check anti-vibration isolators for proper operation
•
Check belt protection grille for proper operation, clean if necessary.
•
Check impeller for unbalanced condition.
•
Check tension of V-belt and inspect for wear; re-tension or replace as necessary
– for specification see page 65 et seq.
•
Check fan/motor for noise in bearing, replace bearing if necessary.
•
Lubricate non-sealed fan bearing according to the motor manufacturer’s
recommendations (refer to see Tab. 9-5 on page 66).
Direct-driven
fan assembly
(See page 66)
Every 3
months
•
Check fan motors for debris, damage and corrosion.
•
Check motors for noise in bearing, replace bearing if necessary.
•
Check impeller (especially welded seams) for cracks; replace bearing if
necessary.
Routines for
all filters (refer
to page 67)
Every 3
months
•
Check filters for debris, damage and odour.
•
Clean filter chamber.
Every 6
months
•
Check if the maximum allowed pressure difference (refer to RLT 01 guideline -
German Association of HVAC Manufacturers) or pressure difference specified by
the manufacturer is exceeded - if so - replace the filter.
at least
every
6 to 9
months
•
Hygiene inspection (FläktGroup recommends maintenance routines and
intervals specified in VDI 6022!): Even if the filter shows no visible signs of dirt,
microbial growth and mould may propagate through the filter as result of its long-
term use (in air with low dust content).
Bag/panel/
fine-particle
filter (refer to
page 67)
continuous
measure-
ment
replace
every 3
months
•
Replace the filter if the maximum pressure difference is reached.
Other filters
Refer to the relevant maintenance instructions specified in the supplied documentation.
Tab. 9-2
