Viessmann Vitopend 100-W Installation And Service Instructions

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For further information regarding the individual steps, see the page indicated
Commissioning steps
Inspection steps
Maintenance steps Page
• • •
1. Filling and venting the heating system........................ 34
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2. Setting the time and date............................................... 37
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3. Flue system correction factor setup............................. 38
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4. Making the settings for operation with outside
temperature sensor or room temperature sensor....... 38
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5. Activating/deactivating WLAN module......................... 39
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6. Making the settings for operation with external
extension......................................................................... 40
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7. Switching off DHW heating............................................ 41
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8. Limiting the maximum heating output.......................... 42
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9. Checking the gas type.................................................... 42
• • •
10. Checking the static pressure and supply pressure.... 43
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11. Checking the nozzle pressure, 18 kW........................... 44
• • •
12. Checking the nozzle pressure, 22 to 36 kW................. 49
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13. Checking the balanced flue system for tightness
(annular gap check)........................................................ 52
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14. Draining the boiler.......................................................... 52
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15. Checking and cleaning the burner................................ 53
• • •
16. Checking the diaphragm expansion vessel and
system pressure............................................................. 53
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17. Checking and cleaning the flue gas heat exchanger.. 55
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18. Checking and adjusting the ignition and ionisation
electrodes........................................................................ 58
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19. Flow limiter...................................................................... 59
• • •
20. Checking the safety valve function
• • •
21. Flue gas emissions test................................................. 59
• • •
22. Checking the ionisation current.................................... 60
Commissioning, inspection, maintenance
Steps - commissioning, inspection and maintenance
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Viessmann Vitopend 100-W Specifications

General

Fuel Type	Gas
Max. Water Temperature	85 °C
Type	Condensing Boiler
Gas Type	Natural gas / LPG
Efficiency	Up to 98%