PEGASUS D Ki 100
17
EN
cod. 3540L870 - 03/2009 (Rev. 00)
3.3 Maintenance
B
The following operations must only be carried out by Qualified Personnel.
Seasonal inspection of the boiler and flue
It is advisable to have the following checks carried out at least once a year:
•
The control and safety devices (gas valve, thermostats, etc.) must function correctly.
•
The fume ducts must be clean and free of obstructions.
•
The gas and water systems must be tight.
•
The burner and exchanger must be clean. Follow the instructions in the next section.
•
The electrodes must be free of scale and properly positioned (see fig. 24).
•
The water pressure in the system when cold must be approx. 1 bar; otherwise bring it to that value.
•
The expansion tank must be filled.
•
The gas flow and pressure must correspond to that given in the respective technical data tables.
•
The circulating pumps must not be blocked.
Opening the front panel
To open the front panel, see the sequence in fig. 20.
B
Before carrying out any operation inside the boiler, disconnect the power supply and close the gas cock up-
stream.
fig. 20 - Opening the front panel
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