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User & Installer (en)
7729106 (02-05/19)
Dear Customer,
Our company is condent our new product will meet all your requirements. Buying one of our products guarantees all your
expectations: good performance combined with simple and rational use.
Please do not put this booklet away without reading it rst: it contains useful information for the correct and ecient use of your
product.
Our company declares that these products are marked in compliance with the essential requirements of the
following Directives:
- Gas regulation (EU) 2016/426
- Eciency Directive 92/42/EEC
- Electromagnetic Compatibility Directive 2014/30/EU
- Low Voltage Directive 2014/35/EU
- Ecodesign directive 2009/125/EC
- Regulation (EU) No 2017/1369
(for boilers with Power<70kW)
- Ecodesign regulation (EU) No 813/2013
- Energy labelling regulation (EU) No 811/2013 (for boilers with Power<70kW)
Our company, constantly striving to improve the products, reserves the right to modify the details given in this documentation
at any time and without notice. These Instructions are only meant to provide consumers with use information and under no
circumstance should they be construed as a contract with a third party.
The appliance can be used by children aged 8 or over
and by people with reduced physical, sensory or men-
tal faculties, or who do not have the required experience
or knowledge, provided they are supervised or have re-
ceived instructions on using the appliance safely and un-
derstanding its intrinsic hazards. Children must not play
with the appliance. The cleaning and maintenance opera-
tions reserved to the user must not be performed by un-
supervised children.
CONTENT
DESCRIPTION OF SYMBOLS .....................................................................................................................................................................22
SAFETY WARNINGS .................................................................................................................................................................................... 22
GENERAL PRECAUTIONS .........................................................................................................................................................................23
ENERGY-SAVING TIPS ................................................................................................................................................................................23
1. COMMISSIONING THE BOILER .................................................................................................................................................................. 24
1.1 ADJUSTING THE CH AND DHW FLOW TEMPERATURE ..........................................................................................................................24
2. OPERATING MODES ...................................................................................................................................................................................25
3. FILLING THE SYSTEM .................................................................................................................................................................................25
4. SWITCHING OFF THE BOILER ...................................................................................................................................................................25
5. GAS CONVERSION .....................................................................................................................................................................................25
6. PROLONGED SHUTDOWN. ANTI-FREEZE PROTECTION .......................................................................................................................25
7. TROUBLESHOOTING ..................................................................................................................................................................................26
8. ROUTINE MAINTENANCE INSTRUCTIONS ...............................................................................................................................................26
INSTRUCTIONS PRIOR TO INSTALLATION ...............................................................................................................................................27
9. INSTALLING THE BOILER ...........................................................................................................................................................................27
10. ELECTRICAL CONNECTIONS .....................................................................................................................................................................28
10.1 CONNECTING THE ROOM THERMOSTAT .................................................................................................................................................28
10.2 ACCESSORIES NOT INCLUDED IN THE SUPPLY ..................................................................................................................................... 28
11. GAS VALVE AND ELECTRONIC BOARD ....................................................................................................................................................29
11.1 GASCONVERSION ......................................................................................................................................................................................29
11.2 REPLACING THE GAS VALVE .....................................................................................................................................................................30
11.3 GAS VALVE CALIBRATION ..........................................................................................................................................................................30
11.4 REPLACING THE ELECTRONIC BOARD ...................................................................................................................................................30
11.5 REPLACING THE ELECTRONIC BOARD + GAS VALVE............................................................................................................................30
12. VISUALISATION OF PARAMETERS ON THE DISPLAY ("INFO" FUNCTION) ...........................................................................................30
13. PARAMETER SETTINGS .............................................................................................................................................................................31
14. TROUBLESHOOTING SERVICE FAULTS ...................................................................................................................................................32
15. ADJUSTMENT AND SAFETY DEVICES ......................................................................................................................................................34
16. PUMP CAPACITY/ HEAD .............................................................................................................................................................................34
17. ANNUAL SERVICING ...................................................................................................................................................................................35
17.1 HYDRAULIC UNIT ........................................................................................................................................................................................35
17.2 POSITIONING THE ELECTRODE................................................................................................................................................................35
17.3 CLEANING THE FILTERS ............................................................................................................................................................................35
17.4 DISMOUNTING THE WATER-WATER HEAT EXCHANGER .......................................................................................................................36
18. COMBUSTION PARAMETERS ....................................................................................................................................................................36
19. DISMANTLING, DISPOSAL AND RECYCLING ...........................................................................................................................................36
20. TECHNICAL SPECIFICATIONS ...................................................................................................................................................................37
21. TECHNICAL PARAMETERS ........................................................................................................................................................................38
22. PRODUCT FICHE .........................................................................................................................................................................................39
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