1. General instructions ................................................................................................................................................................. 35
2. Certifications ............................................................................................................................................................................. 35
3. Introduction ............................................................................................................................................................................... 36
4. Technical, constructive and dimensional characteristics ..................................................................................................... 36
4.1
Description of unit ........................................................................................................................................................................................ 36
4.2
Working principle ......................................................................................................................................................................................... 36
4.3
Technical data - Dimensions - Hydraulic connections ................................................................................................................................. 37
4.4
Identification ................................................................................................................................................................................................. 39
5. Installation ................................................................................................................................................................................. 39
5.1
Packing ........................................................................................................................................................................................................ 39
5.2
Handling ....................................................................................................................................................................................................... 39
5.3
Installation room .......................................................................................................................................................................................... 40
5.4
Discharge of combustion products .............................................................................................................................................................. 41
5.5
Plumbing connections .................................................................................................................................................................................. 41
5.6
Front door opening and adjustment ............................................................................................................................................................. 43
5.7
Burner assembly .......................................................................................................................................................................................... 44
5.8
Flame control sight glass connection ........................................................................................................................................................... 44
5.9
Probe and bulb positioning .......................................................................................................................................................................... 45
6. Schematic diagram - System for heating and domestic hot water ...................................................................................... 46
7. Startup ........................................................................................................................................................................................ 47
7.1
Preliminary checks ....................................................................................................................................................................................... 47
7.2
First ignition ................................................................................................................................................................................................. 47
7.3
Boiler shutdown ........................................................................................................................................................................................... 47
8. Maintenance .............................................................................................................................................................................. 47
8.1
General rules ............................................................................................................................................................................................... 47
8.2
Routine maintenance ................................................................................................................................................................................... 47
8.3
Extraordinary maintenance .......................................................................................................................................................................... 47
8.4
Boiler cleaning ............................................................................................................................................................................................. 48
8.5
Boiler operation check ................................................................................................................................................................................. 48
8.6
Burner operation check ................................................................................................................................................................................ 49
8.7
Troubleshooting ........................................................................................................................................................................................... 49
EN
34
cod. 3545456/0 - Rev. 00 - 08/2019
TP3 COND