Ferroli PREXTHERM RSH 950N Instruction For Use, Installation And Assembly page 27

PREXTHERM RSH N
1. INTRODUCTION ......................................................................................................................................................................... 28
2. GENERAL WARNINGS .............................................................................................................................................................. 28
3. CERTIFICATION ......................................................................................................................................................................... 28
4. TECHNICAL AND CONSTRUCTIONAL CHARACTERISTICS, DIMENSIONS ........................................................................ 28
4.1 Description of the appliance ........................................................................................................................................................................ 28
4.2 Operating principle ....................................................................................................................................................................................... 29
4.3 Technical data - Dimensions - Hydraulic connections ................................................................................................................................. 29
4.4 Identification ................................................................................................................................................................................................. 30
5. INSTALLATION .......................................................................................................................................................................... 31
5.1 Packaging .................................................................................................................................................................................................... 31
5.2 Handling ....................................................................................................................................................................................................... 31
5.2.1 For models PREXTHERM RSH 100N÷420N (Fig. 5) ............................................................................................................................ 31
5.2.2 For models PREXTHERM RSH 500N÷950N ......................................................................................................................................... 31
5.3 Installation location (Fig. 6) .......................................................................................................................................................................... 31
5.4 Discharge of combustion products (Fig. 7) .................................................................................................................................................. 32
5.5 Hydraulic connections .................................................................................................................................................................................. 32
5.5.1 Supply water .......................................................................................................................................................................................... 32
5.5.2 System feed/return pipes ....................................................................................................................................................................... 32
5.5.3 System fill/drain pipe .............................................................................................................................................................................. 32
5.5.4 Pipes, expansion vessel and safety valves ............................................................................................................................................ 32
5.5.5 Recirculation pump ................................................................................................................................................................................ 33
5.6 Adjusting the door ........................................................................................................................................................................................ 33
5.6.1 For models PREXTHERM RSH 100N÷420N(Fig. 9) ............................................................................................................................. 33
5.6.2 For models PREXTHERM RSH 500N÷950N (Fig. 10) .......................................................................................................................... 33
5.7 Burner mounting (Fig. 11) ............................................................................................................................................................................ 34
5.8 Connecting the cooling tube to the flame inspection window ...................................................................................................................... 34
5.9 Assembling the panels, mod. PREXTHERM RSH 500N÷950N .................................................................................................................. 34
5.10 Security warning .......................................................................................................................................................................................... 35
6. COMMISSIONING ...................................................................................................................................................................... 35
6.1 Preliminary checks ....................................................................................................................................................................................... 35
6.2 First ignition ................................................................................................................................................................................................. 35
6.3 Shutting down the boiler .............................................................................................................................................................................. 35
7. MAINTENANCE .......................................................................................................................................................................... 35
7.1 General instructions ..................................................................................................................................................................................... 35
7.2 Routine maintenance ................................................................................................................................................................................... 35
7.3 Special maintenance ................................................................................................................................................................................... 36
7.4 Cleaning the boiler ...................................................................................................................................................................................... 36
7.5 Checking boiler operation ............................................................................................................................................................................ 36
7.6 Checking burner operation .......................................................................................................................................................................... 37
7.7 Troubleshooting ........................................................................................................................................................................................... 37
cod. A73020821 - 2023-09
27
EN