pag. 40
Installation, Use and Maintenance Manual - HKFD1EC/C Series
English
SECTION 6 - ORDINARY MAINTENANCE
6.1 Warning
• It is a duty of the user to carry out all the maintenance operations on the regenerator.
• Only assigned and previously trained and qualified personnel can carry out maintenance operations.
• If the unit must be disassembled, protect hands with gloves.
BEFORE UNDERTAKING WHICHEVER MAINTENANCE OPERATION MAKE SURE THAT THE MACHINE IS SWITCH OFF AND THAT IT CAN
NOT BE ACCIDENTALLY CONNECTED TO THE POWER. IT IS THEREFORE NECESSARY TO CUT OFF THE ELECTRIC SUPPLY DURING
ALL MAINTENANCE OPERATIONS.
6.2 Monthly checks
6.2.1 Checking and cleaning of heat exchangers and filters
Release the 2 screws of the inspection panel with the proper handle.
Take the hexagonal heat exchangers out through the proper handles
Remove the 2 filter by making them scroll on the slides
CLEANING OF THE HEAT EXCHANGERS
Remove with the vacuum cleaner the dust that can be present inside the heat exchangers
and verify that there are no foreign objects.
ATTENTION: you must not wash the heat exchangers. If they are excessively dirty or
damaged, they have to be replaced.
WASHING OF THE FILTERS
Remove the dust on the filters using a vacuum cleaner.
If the filters are excessively dirty, you can wash them with water and a neutral detergent
at a temperature lower than 60°.
Make the filters dry completely before installing them again in the unit. Do not use fire to
dry the filters.
Do not use fire to dry the filters.
After cleaning, repeat the operation sequence in reverse order.
Always remember to install filters and heat recovery exchanger before starting the unit.
Vacuum cleaner
Heat exchangers
Filter
Filter
