Denco CAIRplus Operation Manual page 70

Commissioning and Maintenance
Replacing filter medium
8.5.4 Maintenance of activated-carbon filter
DANGER!
Replacing activated-
carbon filter (cartridges)
Fig. 8-5
8.5.5 Maintenance of grease filter
DANGER!
8.5.6 Maintenance of HEPA filter
DANGER!
70
•
Ensure that unit is deactivated. Open the access door/maintenance panel.
•
Release the top and bottom spring clips on the filter rack or open the quick-release
filter frame.
•
Pull out the filter frame.
•
Replace a damaged or dirty filter.
•
Slide the filter frame into the unit. Ensure an airtight seal and proper fit!
•
Close the top and bottom spring clips on the filter rack or close the quick-release
filter frame.
•
Install filter bags only in the upright position!
•
Close the service access door or maintenance panel.
•
Please consider the safety instructions on page 5 and page 55ff when performing
all the described activities!
Carry out the following maintenance steps:
•
Replace the filter if activated carbon is saturated (designed number of operating
hours elapsed). For monitoring the filter saturation level the cartridge weight can be
checked and marked for subsequent reference to determine the weight increase.
•
Check if filter racks with activated-carbon cartridges are fitting correctly. To prevent
the reduction of service life of the expensive activated-carbon filter, ensure that the
pre-filtering and fine-filtering stages are in proper condition.
•
Disconnect power to the unit.
Cartridges are secured in place with special bolts (bayonet lock)!
•
Turn the filter cartridges as indicated by the rotation arrow and remove from the
frame.
•
Replace the pre-filter together with the activated-carbon filter.
•
Dispose of the filters in accordance with the applicable regional regulations.
•
Please consider the safety instructions on page 5 and page 55ff when performing
all the described activities!
Follow the specified maintenance steps:
Filter cells are made of aluminium wire mesh with each air-filter cell fitted with an inte-
grated grease-collecting tray.
•
Rinse filter cells in clean water and clean grease-collecting tray every 3 - 6 months.
•
Please consider the safety instructions on page 5 and page 55ff when performing
all the described activities!
Refer to the relevant maintenance instructions specified in the supplied documenta-
tion.
PR-2009-0096-GB • Subject to modifications • R8-10/2015
CAIRplus