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DESCRIPTION OF THE APPLIANCE
TABLE OF CONTENTS
5 DESCRIPTION OF THE APPLIANCE
5.1 Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
5.2 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
5.3 Check and safety devices . . . . . . . . . . . . . . . . . . . . . . . . 61
5.4 Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
5.5 Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
5.6 Technical features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
5.7 Adjusting the burner at various installation altitudes . 65
5.8 Main hydraulic circuits . . . . . . . . . . . . . . . . . . . . . . . . . . 66
5.9 Expansion vessel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
5.10 Combustion chamber dimensions . . . . . . . . . . . . . . . . . 67
5.11 High-efficiency system pump. . . . . . . . . . . . . . . . . . . . . 67
5.12 Setting the circulation pump . . . . . . . . . . . . . . . . . . . . . 68
5.12.1 Selecting the operating mode and the
characteristic curve . . . . . . . . . . . . . . . . . . . 68
5.12.2 Choosing the adjustments . . . . . . . . . . . . . . 68
5.13 Additional functions of the pump’s command button . 68
5.13.1 Bleeding the pump . . . . . . . . . . . . . . . . . . . . 68
5.13.2 Manual restart . . . . . . . . . . . . . . . . . . . . . . . 68
5.13.3 Locking/unlocking the button . . . . . . . . . . . 69
5.13.4 Activating factory settings . . . . . . . . . . . . . . 69
5.13.5 Manual restart . . . . . . . . . . . . . . . . . . . . . . . 69
5.14 Wiring diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
5.14.1 Thermal unit . . . . . . . . . . . . . . . . . . . . . . . . . 70
5.14.2 Burner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
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