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59
EN
INSTALLATION AND SERVICING INSTRUCTIONS
TABLE OF CONTENTS
6.1 Receiving the product . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
6.2 Dimensions and weight. . . . . . . . . . . . . . . . . . . . . . . . . . 60
6.3 Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
6.4 Installation room . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
6.5 New installation or installation of a replacement
appliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
6.6 Cleaning the system . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
6.7 Water system treatment . . . . . . . . . . . . . . . . . . . . . . . . . 61
6.8 Boiler installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
6.9 Plumbing connections. . . . . . . . . . . . . . . . . . . . . . . . . . . 62
6.9.1 Plumbing accessories (optional) . . . . . . . . . 62
6.10 Condensate outlet/collection . . . . . . . . . . . . . . . . . . . . . 62
6.11 Gas supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
6.12 Smoke outlet and combustion air inlet . . . . . . . . . . . . . 63
6.12.1 Coaxial duct (Ø 60/100mm and Ø 80/125mm) . .64
6.12.2 Separate ducts (Ø 60mm and Ø 80mm) . . . 64
6.13 Electrical connections. . . . . . . . . . . . . . . . . . . . . . . . . . . 65
6.13.1 External sensor. . . . . . . . . . . . . . . . . . . . . . . 66
6.13.2 Chrono-thermostat or Air Thermostat . . . . 67
6.13.3 EXAMPLE of use of the command/control
device on some types of heating systems. . 67
6.14 Refilling or emptying. . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
6.14.1 REFILL operations . . . . . . . . . . . . . . . . . . . . 68
6.14.2 EMPTYING operations . . . . . . . . . . . . . . . . . 68
7.1 Preliminary operations . . . . . . . . . . . . . . . . . . . . . . . . . . 69
7.2 Before commissioning . . . . . . . . . . . . . . . . . . . . . . . . . . 69
7.2.1 Self-calibrating procedure . . . . . . . . . . . . . . 69
7.3 Parameter setting and display . . . . . . . . . . . . . . . . . . . . 70
7.4 List of parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
7.5 Display of operating data and counters. . . . . . . . . . . . . 72
7.6 Checks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
7.6.1 Chimney sweeper function. . . . . . . . . . . . . . 72
7.7 Gas conversion. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
8.1 Adjustments. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
8.2 External cleaning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
8.2.1 Cleaning the cladding. . . . . . . . . . . . . . . . . . 74
8.3 Cleaning the inside of the appliance . . . . . . . . . . . . . . . 74
8.3.1 Removing components. . . . . . . . . . . . . . . . . 74
8.3.2 Cleaning the burner and the combustion
chamber . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
8.3.3 Checking the ignition/detection electrode . 75
8.3.4 Final operations . . . . . . . . . . . . . . . . . . . . . . 75
8.4 Checks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
8.4.1 Checking the smoke duct. . . . . . . . . . . . . . . 75
8.4.2 Checking the expansion vessel pressure . . 75
8.5 Unscheduled maintenance . . . . . . . . . . . . . . . . . . . . . . . 76
8.6 Malfunction codes and possible solutions . . . . . . . . . . 76
8.6.1 Maintenance request . . . . . . . . . . . . . . . . . . 77
Summary of Contents for VERA HE 25
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