Ferroli PREXTHERM RSW Series Instruction For Use, Installation And Assembly page 28

1. INTRODUCTION ......................................................................................................................................................................... 29
2. GENERAL WARNINGS .............................................................................................................................................................. 29
3. CERTIFICATION ......................................................................................................................................................................... 29
4. TECHNICAL AND CONSTRUCTIONAL CHARACTERISTICS, DIMENSIONS ........................................................................ 29
4.1 Description of the appliance ........................................................................................................................................................................ 29
4.2 Operating principle ....................................................................................................................................................................................... 30
4.3 Technical data - Dimensions - Hydraulic connections ................................................................................................................................. 31
4.4 Identification ................................................................................................................................................................................................. 32
5. INSTALLATION .......................................................................................................................................................................... 33
5.1 Packaging .................................................................................................................................................................................................... 33
5.2 Handling ....................................................................................................................................................................................................... 33
5.3 Local de instalación (Fig. 7) ......................................................................................................................................................................... 33
5.4 Discharge of combustion products (Fig. 8) .................................................................................................................................................. 34
5.5 Hydraulic connections .................................................................................................................................................................................. 34
5.5.1 Supply water .......................................................................................................................................................................................... 34
5.5.2 System feed/return pipes ....................................................................................................................................................................... 35
5.5.3 System fill/drain pipe .............................................................................................................................................................................. 35
5.5.4 Pipes, expansion vessel and safety valves ............................................................................................................................................ 35
5.5.5 Recirculation pump ................................................................................................................................................................................ 35
5.6 Adjusting the front door ................................................................................................................................................................................ 35
5.7 Assembling the burner (Fig. 12) .................................................................................................................................................................. 36
5.8 Connecting the cooling tube to the flame inspection window ...................................................................................................................... 37
5.9 Assembling the panels, mod. PREXTHERM RSW 1250N÷1890N ............................................................................................................. 37
6. COMMISSIONING ...................................................................................................................................................................... 38
6.1 Preliminary checks ....................................................................................................................................................................................... 38
6.2 First ignition ................................................................................................................................................................................................. 38
6.3 Shutting down the boiler .............................................................................................................................................................................. 38
7. MAINTENANCE .......................................................................................................................................................................... 38
7.1 General instructions ..................................................................................................................................................................................... 38
7.2 Routine maintenance ................................................................................................................................................................................... 38
7.3 Special maintenance ................................................................................................................................................................................... 39
7.4 Cleaning the boiler ...................................................................................................................................................................................... 39
7.5 Checking boiler operation ............................................................................................................................................................................ 39
7.6 Checking burner operation .......................................................................................................................................................................... 40
7.7 Troubleshooting ........................................................................................................................................................................................... 40
28
EN
cod. 3545453/0 - 06/2019
PREXTHERM RSW N