Ferroli MERCURY 2 Installation And Operation Manual page 43

MAINTENANCE
MONTHLY CHECKS
Checking the filtering section
If the filter is dirty, remove the filter locking bracket as shown in the figure, then remove the filter downwards.
To clean the filter use a vacuum cleaner or wash using normal detergent and warm water, and then carefully
dry. always remember to reposition the filter before starting the unit.
Checking the coil
Check that the heat exchange coil is clean and perfectly intact, to ensure normal performance.
Checking the power supply
Check that the power supply voltage is within the specified limits.
ANNUAL CHECKS
Check all the electrical equipment, in particular the tightness of the electrical connections.
Check the tightness of all the bolts, nuts, flanges and water connections, as vibrations may have caused
these to loosen.
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