3
CONTENTS
1 SAFETY INFORMATION AND PRECAUTIONS ................................................. 4
2 DESCRIPTION OF THE APPLIANCE .......................................................... 5
2.1 Description ............................................................................................................................................... 5
2.2 Optional accessories ............................................................................................................................... 5
2.3 Main parts of the boiler ............................................................................................................................ 6
2.4 Control panel ............................................................................................................................................ 6
2.5 Technical specifications ........................................................................................................................... 7
2.6 Identification ............................................................................................................................................. 8
2.7 Material supplied ..................................................................................................................................... 8
2.8 Handling ................................................................................................................................................... 9
2.9 Overall dimensions and water fittings ..................................................................................................... 10
2.10 Water circuit ............................................................................................................................................. 10
2.11 Multi line wiring diagram .......................................................................................................................... 12
3 INSTALLATION ............................................................................................. 13
3.1 Installation standards ............................................................................................................................... 13
3.2 Place of installation .................................................................................................................................. 13
3.3 Installation in existing systems ................................................................................................................ 13
3.4 Water connections ................................................................................................................................... 14
3.5 Electrical connections .............................................................................................................................. 14
3.6 Gas connections ...................................................................................................................................... 16
3.8 Flue gas vent and air intake .................................................................................................................... 18
3.9 Filling the water circuit ............................................................................................................................. 18
3.10 Emptying the water circuit ....................................................................................................................... 19
4 START-UP AND FUNCTIONING .................................................................. 20
4.1 Preliminary checks ................................................................................................................................... 20
4.2 Ignition ..................................................................................................................................................... 20
4.3 Final checks ............................................................................................................................................. 22
5 SHUT-DOWN ................................................................................................. 23
6 MAINTENANCE ............................................................................................ 24
6.1 Scheduled maintenance .......................................................................................................................... 24
6.2 Extraordinary maintenance ...................................................................................................................... 24
7 OPTIONAL ACCESSORIES ......................................................................... 25