TABLE OF CONTENTS
SAFETY INSTRUCTIONS .................................................................................................................2
TABLE OF CONTENTS .....................................................................................................................6
1.1 - Regulations and guidelines .................................................................................................................................. 8
2 - GENERAL INFORMATION ...........................................................................................................9
2.1 - Key to symbols used ............................................................................................................................................ 9
2.2 - Description of model: ........................................................................................................................................... 9
3 - MAIN COMPONENTS ................................................................................................................10
4 - FUNCTION OVERVIEW .............................................................................................................12
4.2 - Effi ciency up to 98% ........................................................................................................................................... 13
5.2 - Transporting the boiler ....................................................................................................................................... 15
6.1 - Mounting the boiler ............................................................................................................................................. 16
7.1 - Water connections .............................................................................................................................................. 17
7.2 - Supply and return piping .................................................................................................................................... 17
7.5 - Condensate disposal .......................................................................................................................................... 24
10.6 - Air inlet pipe materials: ..................................................................................................................................... 35
10.15 - Existing vent as a chase ................................................................................................................................ 57
11.1 - Gas supply piping ............................................................................................................................................. 58
11.3 - Propane Gas .................................................................................................................................................... 59
11.4 - Check inlet gas supply ..................................................................................................................................... 59
6