
4
ENGLISH
CONTENTS
CONTENTS
This manual, Code 20091447 Rev. 2 (05/17) is made up
of 68 pages.
The following symbols are used in this manual:
b = Identifies actions that require caution and ade-
quate preparation.
a = Identifies actions that you MUST NOT do.
GENERAL ..............................5
General safety information ...................... 5
Precautions.................................. 5
Product description ........................... 6
Safety devices ............................... 6
Product identification .......................... 7
Data plate................................... 7
Design ..................................... 8
Technical specifications ....................... 10
Accessories ................................ 11
Water circuit ................................ 11
Location of sensors .......................... 12
Pumps .................................... 13
Functional wiring diagrams .................... 14
Control panel ............................... 15
Mode selection.............................. 18
User levels ................................. 21
SYSTEM MANAGER .....................23
Start-up.................................... 23
Temporary shutdown ......................... 26
Preparing for extended periods of disuse ......... 26
Cleaning ................................... 27
Maintenance................................ 27
Useful information ........................... 28
INSTALLER ............................29
Unpacking the product ....................... 29
Dimensions and weight ....................... 29
Handling................................... 30
Place of installation........................... 31
Installation in older systems and systems requiring
modernisation ............................. 31
Heating circuit water ......................... 31
Water connections ........................... 34
Draining the condensate ...................... 36
Electrical connections ........................ 36
Outside sensor connections.................... 39
Fuel connections ............................ 41
Flue gas outlet and comburent air inlet ........... 42
Filling and emptying the system................. 44
TECHNICAL ASSISTANCE SERVICE .......45
Preparing for initial start-up .................... 45
Initial start-up ............................... 46
Checks during and after initial start-up ........... 47
Temporary shutdown ......................... 48
Preparing for extended periods of disuse ......... 48
Maintenance................................ 49
Oil burner .................................. 50
Disassembling and cleaning the boiler ........... 62
Troubleshooting ............................. 65