1. INTRODUCTION ......................................................................................................................................................................... 31
2. GENERAL WARNINGS .............................................................................................................................................................. 31
3. CERTIFICATION ......................................................................................................................................................................... 31
4. TECHNICAL AND CONSTRUCTIONAL CHARACTERISTICS, DIMENSIONS ........................................................................ 31
4.1
Description of the appliance ........................................................................................................................................................................ 31
4.2
Operating principle ....................................................................................................................................................................................... 32
4.3
4.4
Identification ................................................................................................................................................................................................. 34
5. INSTALLATION .......................................................................................................................................................................... 34
5.1
Packaging .................................................................................................................................................................................................... 34
5.2
Handling ....................................................................................................................................................................................................... 34
5.3
Boiler room (Fig. 5) ...................................................................................................................................................................................... 35
5.4
5.5
Hydraulic connections .................................................................................................................................................................................. 36
5.5.1
Supply water .......................................................................................................................................................................................... 36
5.5.2
Central heating outlet/return pipes ......................................................................................................................................................... 36
5.5.3
System fill/drain pipe .............................................................................................................................................................................. 36
5.5.4
Pipes, expansion vessel and safety valves ............................................................................................................................................ 37
5.5.5
Recirculation pump (Fig. 7) .................................................................................................................................................................... 37
5.6
Opening and adjusting the front door .......................................................................................................................................................... 37
5.7
Assembling the burner (Fig. 9) .................................................................................................................................................................... 38
5.8
5.9
Assembling the panels, models 92÷190 ...................................................................................................................................................... 39
5.10
6. COMMISSIONING ...................................................................................................................................................................... 41
6.1
Preliminary checks ....................................................................................................................................................................................... 41
6.2
First ignition ................................................................................................................................................................................................. 41
6.3
Shutting down the boiler .............................................................................................................................................................................. 41
7. MAINTENANCE .......................................................................................................................................................................... 41
7.1
General instructions ..................................................................................................................................................................................... 41
7.2
Routine maintenance ................................................................................................................................................................................... 41
7.3
Special maintenance ................................................................................................................................................................................... 42
7.4
Cleaning the boiler ...................................................................................................................................................................................... 42
7.5
Checking boiler operation ............................................................................................................................................................................ 42
7.6
Checking burner operation .......................................................................................................................................................................... 43
7.7
Troubleshooting ........................................................................................................................................................................................... 43
30
EN
cod. 3545458/0 - 10/2019
TP3 LN