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For regular and cost-effective operation of the user modules, they must be periodically checked and overhauled appro-
ximately once every two years.
To clean the storage boiler (removing scale from the exchanger coil) consult the instructions manual of the appliance.
24. CLEANING THE HEATING INLET FILTER
These appliances are tted with a heating water lter on the water inlet line coming from the centralised plant.
To clean, proceed as follows:
Figure 18: Dismounting the heating circuit filter
INSTALLATION AND OPERATING MANUAL
MAINTENANCE INSTRUCTIONS
37
filter cap
filter
cartridge
912.807.1 - GB
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