9.6 Coil cleaning
WARNING:
Before starting the service operation, ensure that the electrical supply is reliably
isolated; use the lockout/tag-out system. Always check with a voltmeter that the unit
is electrically isolated and shut off.
WARNING:
Before washing the heat transfer section, read the Material Safety Data Sheet of the
detergent and follow the manufacturer´s instructions.
When vacuum-cleaning and washing the heat transfer section, use protection
glasses, safety gloves, safety shoes and other personal protection.
WARNING:
Sharp edges. Use protection glasses, safety gloves, shoes and clothes.
The normal and continuous operation of the unit increases the risk that the coil becomes dirty. Depending
on the environmental working conditions (atmospheric pollution, presence of pollen, dust, working residues,
external temperature, distance from the sea, etc.), the build-up of dirt can become serious and lead to the
drastic reduction in the performance of the unit.
Depending on the amount of dirt, the coil needs an appropriate cleaning plan.
Remove the dust gathered on the fins of the heat transfer section with a vacuum cleaner on the side of
incoming air, or blow off with compressed air on the side of outgoing air.
If vacuuming or compressed air does not clean the heat transfer section, you can wash the fins with running
fresh water without pressure on the side of outcoming air. Do not use too strong a water jet and direct it
vertically against the fin sides so as not to bend them.
If none of these means suffice, spray cleaning detergent with a low-pressure sprayer and wash it away with
running fresh water from the side of out coming air. Use a special solvent/degreaser, which cleans the coils
more deeply.
©
Alfa LU-VE, Rev-04
75
Alfa LU-VE is a trademark registered and owned by LU-VE Group.
Alfa LU-VE reserves the right to change specifications without prior notification.
