
03.03.2021 Rev. 01 2
CONTENTS
1. WARNINGS.......................................................................................................................................... 3
1.1. Warning Symbols and Descriptions............................................................................................... 3
1.2. General Safety Rules...................................................................................................................... 4
2. TERMSOFWARRANTY.................................................................................................................... 7
2.1. Out of Warranty Conditions........................................................................................................... 7
3. GENERAL CHARACTERISTICSof CONDENSING BOILER...................................................... 8
4. PARTS................................................................................................................................................... 9
5. BOILER HYDRAULIC SCHEMA..................................................................................................... 10
6. TECHNICAL SPECIFICATIONS...................................................................................................... 11
6.1. NoiseLevel................................................................................................................................... 12
6.2. Combi BoilerExternal Dimensions and Connections.................................................................. 12
7. COMBI BOILER HANDLING INFORMATION.............................................................................. 14
8. INSTALLATION................................................................................................................................ 15
8.1. General Controls .......................................................................................................................... 15
8.2. Assembly of Condensing Fluid Drain.......................................................................................... 15
9. ECODENSE CONTROL INSTRUCTIONSBEFORE START-UP.................................................. 16
9.1. Control Panel Description............................................................................................................ 17
9.2. Operating Principle....................................................................................................................... 18
9.2.1. Winter Mode(CH & DHW)..................................................................................................... 18
9.2.2. SummerMode( DHWonly).................................................................................................... 18
9.3. Boiler Frost Protection Mode....................................................................................................... 18
10. ELECTRICAL DIAGRAM AND RELATED CONNECTIONS................................................... 19
10.1. Connection of roomthermostat................................................................................................ 23
11. PUMPCHARACTERISTIC CURVE ......................................................................................... 23
12. EMISSION SETTINGS................................................................................................................... 24
13. MAINTENANCE............................................................................................................................ 25
13.1. Monthly Maintenance............................................................................................................... 25
13.2. SeasonalMaintenance.............................................................................................................. 25
14. LIST OFERROR CODE................................................................................................................. 26
15. SOLUTION RECOMMENDATIONSFOR SOME OFTHE PROBLEMS.................................. 27
16. SPARE PARTS................................................................................................................................ 28
17. AFTER SALESSERVICES............................................................................................................ 29
18. NOTES............................................................................................................................................. 30