3
Externa 30 O
Cod. 3540T540 - 04/2009 (Rev. 00)
1. Operating instructions ............................................................................4
1.1 Introduction ............................................................................................................4
1.2 Control panel ..........................................................................................................4
1.3 Ignition and shut-down ...........................................................................................5
1.4 Settings ...................................................................................................................5
1.5 Maintenance ............................................................................................................6
1.6 Troubleshooting ......................................................................................................6
2. INSTALLATION .......................................................................................7
2.1 General instructions ................................................................................................7
2.2 Place of installation .................................................................................................7
2.3 Water connections ..................................................................................................7
2.4 Gas connection .......................................................................................................9
2.5 Electrical connections .............................................................................................9
2.6 Flues ......................................................................................................................11
3. SERVICE AND MAINTENANCE ............................................................12
3.1 Settings .................................................................................................................12
3.2 Commissioning ......................................................................................................14
3.3 Maintenance ..........................................................................................................15
3.4 Troubleshooting ....................................................................................................17
4. CHARACTERISTICS AND TECHNICAL SPECIFICATIONS .....................20
4.1 Dimensions and fittings ........................................................................................20
4.2 Overall view and main components .....................................................................21
4.3 Hydraulic diagram .................................................................................................22
4.4 Technical data table ..............................................................................................23
4.5 Diagrams ...............................................................................................................24
4.6 Wiring diagram .....................................................................................................25
7
