Vaillant ecoTEC plus 806 VU GB 806/5-5 Installation And Maintenance Instructions Manual

Also see for ecoTEC plus 1006 VU GB 1006/5-5: Installation and maintenance instructions

Contents

Vaillant ecoTEC plus 806 VU GB 806/5-5 Installation And Maintenance Instructions Manual Manual pdf 33 page image

Troubleshooting 100020134823_04 ecoTEC plus Installation and maintenance instructions 3310.10 Replacing defective components10.10.1 Replacing the gas valve22806/5-51006/5-51206/5-5111. Remove the gas pipe (1) from the gas valve.2. Unscrew the screws (2) from the fan and remove thegas valve from the fan.3. Replace the defective component.4. Install the gas valve and the fan in the same position asbefore. Use new seals for this.5. Tighten the screws (2) in a cross-wise pattern.Conditions: Applies for 80 kW– Torque: 5.5 NmConditions: Applies for 100 kW and 120 kW– Torque: 2 Nm6. First, screw the gas pipe loosely onto the gas valve.Only after completing the installation work should youtighten the screws for the flange fastening on the gasvalve.7. After installing the new gas valve, carry out a leak-tightness test (→ Page 24), and set the gas ratio(→ Page 21).10.10.2 Replacing the burner125341. Remove the gas-air mixture unit. (→ Page 28)2. Remove the ignition and monitoring electrode.3. Remove the seal (5) from the burner door.4. Turn the insulation protection plate (1) to remove it.5. Remove the insulating mat (2).6. Undo the nuts (3) on the burner.7. Use a suitable socket (with extension) to ensure thatthe burner mat does not become damaged. You mustnot use burners that have a damaged mat.8. Remove the burner. When doing so, hold the fan andthe burner door securely.9. Fit the new burner with a new seal.10. When installing the retainer, ensure that you position itin the locations at which the insulation protection platehas suitable cut-outs.11. Use the three nuts and the washers (4) to secure theburner and the retainer for the insulation protectionplate.Conditions: Applies for 80 kW– Torque: 4 Nm12. First, use two nuts to secure the burner.Conditions: Applies for 100 kW and 120 kW– Torque: 4 Nm13. Then use the four remaining nuts to secure the burnerand the retainer for the insulation protection plate.Conditions: Applies for 100 kW and 120 kW– Torque: 4 Nm14. Install the insulating mat. Note that the insulating mat istouching the burner door and the cut-outs for the insu-lating mat lie above the cut-outs for the burner door.15. Install the insulation protection plate by turning the bay-onet fitting until it clicks into place.