Lamborghini Caloreclima MEGAPREX N 720N Instrucciones Para El Uso, La Instalación Y El Montaje página 42

1. INTRODUCTION ......................................................................................................................................................................... 43
2. GENERAL WARNINGS .............................................................................................................................................................. 43
3. CERTIFICATION ......................................................................................................................................................................... 43
4. TECHNICAL AND CONSTRUCTIONAL CHARACTERISTICS, DIMENSIONS ........................................................................ 43
4.1 Description of the appliance ........................................................................................................................................................................ 43
4.2 Operating principle ....................................................................................................................................................................................... 44
4.3 Technical data - Dimensions - Hydraulic connections ................................................................................................................................. 44
4.4 Identification ................................................................................................................................................................................................. 45
5. INSTALLATION .......................................................................................................................................................................... 45
5.1 Packaging .................................................................................................................................................................................................... 45
5.2 Handling ....................................................................................................................................................................................................... 45
5.3 Installation site (Fig. 4) ................................................................................................................................................................................. 45
5.4 Discharge of combustion products (Fig. 5) .................................................................................................................................................. 46
5.5 Hydraulic connections .................................................................................................................................................................................. 46
5.5.1 Supply water .......................................................................................................................................................................................... 46
5.5.2 System feed/return pipes ....................................................................................................................................................................... 46
5.5.3 System fill/drain pipes ............................................................................................................................................................................ 46
5.5.4 Pipes, expansion vessel and safety valves ............................................................................................................................................ 46
5.5.5 Recirculation pump (Fig. 6) .................................................................................................................................................................... 47
5.6 Adjusting the door (Fig. 7) ........................................................................................................................................................................... 47
5.7 Assembly of the burner (Fig. 8) ................................................................................................................................................................... 47
5.8 Connecting the cooling tube to the flame inspection window (Fig. 9) .......................................................................................................... 47
5.9 Assembling the panels, mod. 720÷1060. Sequence (Fig. 10) ..................................................................................................................... 47
6. CONTROL PANEL (OPTIONAL) ................................................................................................................................................ 48
6.1 LV thermostatic control panel, 2 and 3 burner stages (Fig. 11) ................................................................................................................... 48
6.1.1 Front view of the panel (Fig. 11) ............................................................................................................................................................. 49
6.1.2 Diagram of the terminal block electrical connections ............................................................................................................................. 49
6.1.3 Wiring diagram for burner and single-phase pump ................................................................................................................................ 50
6.2 EBM (Efficient Boiler Management) control panel (Fig. 12) ......................................................................................................................... 53
6.2.1 Panel (Fig. 12) ........................................................................................................................................................................................ 53
6.2.2 Wiring diagrams ..................................................................................................................................................................................... 54
6.3 Notes about the connections ....................................................................................................................................................................... 58
7. COMMISSIONING ...................................................................................................................................................................... 58
7.1 Preliminary checks ....................................................................................................................................................................................... 58
7.2 First ignition ................................................................................................................................................................................................. 59
7.3 Shutting down the boiler .............................................................................................................................................................................. 59
8. MAINTENANCE .......................................................................................................................................................................... 59
8.1 General instructions ..................................................................................................................................................................................... 59
8.2 Routine maintenance ................................................................................................................................................................................... 59
8.3 Special maintenance ................................................................................................................................................................................... 59
8.4 Cleaning the boiler (Fig. 13) ........................................................................................................................................................................ 60
8.5 Checking boiler operation ............................................................................................................................................................................ 60
8.6 Checking burner operation .......................................................................................................................................................................... 60
8.7 Troubleshooting ........................................................................................................................................................................................... 61
IT
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MEGAPREX N 720N ÷ 1060N
cod. 3541O220 - Rev. 00 - 03/2018