KJM MANDÍK Installation, Commissioning, Maintenance
IZU 1.0 01/2021
MANDÍK, a.s., www.mandik.cz
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1. AHU IN GENERAL/CASING/INLTES-OUTLETS
1.01.
Clean and repair
1.02.
Clean
1.03.
Repair
1.04.
Clean and repair
Check doors/service accesses for tightness
Check door´s sealing for contamination, microbial
growth, damage
Action if required
Months (intervals)
CHECKLIST FOR OPERATION AND MAINTENANCE OF AHU
Activity
Check for air-side contamination, microbial growth,
damage, and corrosion
Check for condensation and water pooling
2. AIR FILTERS
2.01.
Change affected air
filters
2.02.
Repair or replace
2.03.
Replace filter stage
2.04.
2.05.
Maximum interval until 2. filter
stage is to be changed
Maximum interval until 1. filter stage is
to be changed
Check differential pressure
Check for unacceptable contamination, damage
(leaks), odours and microbial growth
Check proper tightness of sealing between filters-
filter frame and filter frame-casing
3. FANS
3.01.
Clean and repair
Check contamination, microbial growth,
damage, and corrosion
4. HEAT EXCHANGERS
4.01.
Clean and repair,
replace
4.02.
Clean and repair
4.03.
Clean and repair
Heaters: Check for contamination, microbial
growth, damage, corrosion, and tightness.
Coolers: Check tube bundle, droplet
eliminator and condensate tray for
contamination, microbial growth, corrosion,
damage, and tightness.
Check drain trap function
5. HEAT RECOVERY
5.01.
Clean, repair
5.02.
Repair
5.03.
Clean, repair
5.04.
Adjust seals, clean,
repair
Check contamination, microbial growth,
damage, corrosion
Check impermeability between supply and
exhaust air
Check condensate tray for contamination and
drain trap function
rotary heat exchangers: check of rotor sealing
tightness
