Cleaning And Removing Internal Components - Riello Condexa PRO NA 75P Installation, Operation And Service Manual

4.15 Cleaning and removing internal components

Before any cleaning operation, disconnect the electrical power
supply by switching the main system switch to "off".
OUTSIDE
Clean the casing, the control panel, the painted parts and plastic
parts with damp cloth, using soap and water. In the case of stub-
born stains, moisten the cloth with a 50% water and an alcohol
mixture for specific products.
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CAUTION: Do not use fuels, sponges with abrasive solutions or
powder detergents.
INSIDE
Before starting to disassemble components, close any fill valves
to the unit.
Access to the control panel and the internal parts of the boiler
− Remove the locking screw and the panel's front side
− Pull and slide the electrical panel box towards the outside
(1)
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1
Loosen the screws (2) and remove the cover (3)
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At this point, it will be possible to access PCB and terminal blocks.
Once the maintenance is complete, refit the components working
in the opposite direction of what was described.
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NOTE: If the electronic control box is replaced, see the electri-
cal wiring diagram in order to reset the connections.
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COMMISSIONING AND MAINTENANCE
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