Operating instructions
27
For further information regarding the individual steps, see the page indicated
Commissioning steps
Inspection steps
Maintenance steps Page
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1. Checking the power supply
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2. Filling the heating system.............................................. 29
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3. Switching on the mains voltage and ON/OFF switch
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4. Language selection – only for weather-compensated
control units.................................................................... 30
• •
5. Setting the time and date - only for weather-
compensated control units and for timer controlled
constant temperature units........................................... 30
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6. Note on the automatic flue gas temperature sensor
test................................................................................... 31
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7. Venting the boiler........................................................... 31
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8. Venting the heating system........................................... 32
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9. Filling the siphon with water......................................... 33
• • •
10. Checking all connections on the heating water side
and DHW side for leaks
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11. Designating heating circuits - only for weather-
compensated control units............................................ 34
• •
12. Checking the gas type.................................................... 34
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13. Gas type conversion (only for operation with LPG).... 35
• • •
14. Checking the static and supply pressure..................... 35
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15. Function sequence and possible faults....................... 37
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16. Max. heating output setting........................................... 39
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17. Tightness test for balanced flue system (annular gap
check).............................................................................. 39
• •
18. Burner removal .............................................................. 40
• •
19. Checking the burner gasket and burner gauze
assembly......................................................................... 41
Commissioning, inspection, maintenance
Steps - commissioning, inspection and maintenance
5772 909 GB
Service










