1. General instructions ................................................................................................................................................................. 49
2. Certifications ............................................................................................................................................................................. 49
3. Introduction ............................................................................................................................................................................... 50
4. Technical, constructive and dimensional characteristics ..................................................................................................... 50
4.1
Description of unit ........................................................................................................................................................................................ 50
4.2
Working principle ......................................................................................................................................................................................... 50
4.3
Technical data - Dimensions - Hydraulic connections ................................................................................................................................. 51
4.4
Identification ................................................................................................................................................................................................. 59
5. Installation ................................................................................................................................................................................. 59
5.1
Packing ........................................................................................................................................................................................................ 59
5.2
Handling ....................................................................................................................................................................................................... 59
5.3
Installation room .......................................................................................................................................................................................... 60
5.4
Discharge of combustion products .............................................................................................................................................................. 61
5.5
Plumbing connections .................................................................................................................................................................................. 61
5.6
Front door opening and adjustment ............................................................................................................................................................. 63
5.7
Burner assembly .......................................................................................................................................................................................... 64
5.8
Flame control sight glass connection ........................................................................................................................................................... 64
5.9
Probe and bulb positioning .......................................................................................................................................................................... 65
6. Schematic diagram - System for heating and domestic hot water ...................................................................................... 66
7. Startup ........................................................................................................................................................................................ 67
7.1
Preliminary checks ....................................................................................................................................................................................... 67
7.2
First ignition ................................................................................................................................................................................................. 67
7.3
Boiler shutdown ........................................................................................................................................................................................... 67
8. Maintenance .............................................................................................................................................................................. 67
8.1
General rules ............................................................................................................................................................................................... 67
8.2
Routine maintenance ................................................................................................................................................................................... 67
8.3
Extraordinary maintenance .......................................................................................................................................................................... 67
8.4
Boiler cleaning ............................................................................................................................................................................................. 68
8.5
Boiler operation check ................................................................................................................................................................................. 68
8.6
Burner operation check ................................................................................................................................................................................ 69
8.7
Troubleshooting ........................................................................................................................................................................................... 69
48
EN
cod. 30902850 - Rev 06 - 04-2022
TP3 COND