68
71.06952.02 - EN
OPERATING INSTRUCTIONS
Dear Customer,
We are condent your new boiler will meet all your requirements.
All De Dietrich products have been designed to give you what you are looking for: good performance
combined with simple and rational use.
Please do not put away this booklet without reading it rst as it contains some useful information
which will help you to operate your boiler correctly and efciently.
Do not leave any packaging (plastic bags, polystyrene, etc.) within the reach of children as they are a potential
source of danger.
1. Instructions prior to installation 69
2. Instructions prior to commissioning 69
3. Commissioning the boiler 70
4. Adjusting room and DHW temperatures 71
5. Description of button (
) (Summer - Winter - Heating only - Off) 71
6. Filling the system 72
7. Turning off the boiler 72
8. Gas conversion 72
9. Prolonged shutdown. Frost protection (heating circuit) 73
10. Troubleshooting 73
11. Routine maintenance instructions 73
12. General information 74
13. Instructions prior to installation 74
14. Installing the boiler 75
15. Dimensions of boiler 76
16. Installation of ue and air ducts 77
17. Connecting the mains supply 81
18. Connecting the room thermostat 81
19. Gas conversion methods 82
20. Visualisation of electronic board parameters on boiler display (“info” function) 84
21. Parameter settings 85
22. Adjustment and safety devices 85
23. Positioning the ignition and ame-sensor electrode 86
24. Checking combustion parameters 87
25. Output/pump head performance 87
26. Connecting the external probe 88
27. Connecting an external storage boiler 88
28. Annual servicing 89
29. Draining the heating circuit 89
30. Cleaning the lters 90
31. Removing scale from the DHW circuit 90
32. Dismounting the water-water heat exchanger 91
33. Circuit diagram 92
34. Illustrated wiring diagram 96
35. Technical data 100
CONTENTS
INSTRUCTIONS FOR USERS
INSTRUCTIONS FOR FITTERS
De Dietrich declares that these models of boiler bear the CE mark in compliance
with the basic requirements of the following Directives:
- Gas directive 2009/142/EC
- Efciency Directive 92/42/EEC
- Electromagnetic Compatibility Directive 2004/108/EC
- Low Voltage Directive 2006/95/EC
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