For further information regarding the individual steps, see the page indicated
Commissioning steps
Inspection steps
Maintenance steps
Page
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1. Filling the heating system
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7
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2. Venting the boiler
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8
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3. Venting the heating system
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8
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4. Filling the siphon with water
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9
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5. Checking all connections on the heating water
side and DHW side for leaks
•
6. Checking the power supply connection
•
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7. Setting the time and date (if required)
–
only for
weather-compensated control units
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10
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8. Selecting the language (if required)
–
only for
weather-compensated control units
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10
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9. Checking the gas type
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
11
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10. Gas type conversion (only for operation with LPG)
.
12
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11. Function sequence and possible faults
. . . . . . . . . . . . . . . . . . . . . . . .
12
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12. Checking the static and supply pressure
. . . . . . . . . . . . . . . . . . . .
14
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13. Setting the maximum output
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
15
•
14. Checking the balanced flue system for tightness
(annular gap check)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
16
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15. Removing the burner and checking the burner
gasket (replace gasket every 2 years)
. . . . . . . . . . . . . . . . . . . . . . . . . . .
17
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16. Checking the burner gauze assembly
. . . . . . . . . . . . . . . . . . . . . . . . . . .
18
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17. Checking and adjusting the ignition and ionisation
electrodes
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
19
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18. Cleaning the combustion chamber/heating
surfaces and fitting the burner
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
20
•
•
19. Checking the condensate drain and cleaning the
siphon
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
21
•
•
20. Checking the neutralising system (if installed)
Steps - commissioning, inspection and maintenance
5
Commissioning, inspection, maintenance
5692
673
GB
Summary of Contents for VITODENS 300-W
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