28
12. MAINTENANCE BOOK
Visual inspection for defects and contamination regularly
Please note!
If cleaning/maintenance intervals are not observed,
warranty and guarantee claims can be rejected by the manufacturer!
Bearing damage caused by imbalance of the impeller due to heavy soiling or improper cleaning is excluded
from warranty/guarantee!
Plant designation:
CONSTRUCTION PART
DURING COMMISSIONING
AT LEAST EVERY 6 MONTHS
Filter
Check filter cleanliness
Replace the filters every 3 to 4 months or as
specified by the control panel.
Fans
Check connections and the
direction of rotation
Check cleanliness and clean if necessary.
Ensure that impellers are not out of balance.
Ensure that impellers do not make noise when
turned by hand Ensure that mounting bolts are
tight and undamaged.
Check electrical connections.
Ensure that they are properly secured and show
no signs of corrosion
Plate heat exchanger
Check cleanliness s
Check cleanliness and clean if necessary.
Control board
Check connections
Check connections
Electric heating coil
Check connections
Remove dust, check electrical components and
connections of the heating coil
Pressure transducer
Check electrical connections
Check function
Temperature sensor
Check electrical connections
Check function
Supply and exhaust air system
Check connections
Clean
Air duct system
Check tightness
Clean
Dampers, air diffusers, air
grilles
Check tightness of the connec-
tions
Clean
Condensate outlet unit
Check the installation of the
condensate drain, make sure
that water drains well from
condensate pan.
Clean