
Danger
Obey the danger instructions to prevent danger
of serious personal injuries or death, and
serious damage to the water heater.
Document identification
Article
number
Language Version
0313094 EN 1.0
Table of Contents
Preface....................................3
Copyright......................................... 3
Trademarks...................................... 3
Warranty..........................................3
Liability............................................3
Compliance...................................... 3
Regulations...................................... 3
Contact information...........................4
About this manual................... 4
Scope.............................................. 4
Target group.....................................4
Notation conventions......................... 4
Document identification..................... 5
User part................................. 6
1 Introduction............................6
2 Safety..................................... 6
3 Operation................................ 7
3.1 Control components.......................... 7
3.1.1 Operation control knob.......................7
3.1.2 Temperature control knob...................8
3.2 Status of the water heater..................8
3.2.1 Operating modes...............................8
4 Use..........................................8
4.1 Turn on the water heater....................8
4.1.1 Temperature setting.......................... 9
4.2 Turn off the water heater....................9
4.2.1 Turn off for a short period...................9
4.2.2 Turn off for a long period....................9
Installation, Maintenance and
Service part.............................9
5 Introduction............................9
5.1 About the water heater...................... 9
5.2 Working principle.............................. 9
d6 Safety................................... 10
6.1 Safety instructions...........................10
6.2 Instructions on the water heater........11
6.3 Safety devices................................ 12
6.4 Environmental aspects..................... 12
6.4.1 Recycling........................................12
6.4.2 Disposal......................................... 12
7 Water heater.........................13
7.1 Structure of the water heater............ 13
8 Installation........................... 13
8.1 Packaging.......................................13
8.2 Conditions...................................... 13
8.2.1 Ambient conditions.......................... 13
8.2.2 Maximum floor load......................... 13
8.2.3 Water composition...........................14
8.2.4 Working clearances..........................14
8.2.5 Placement of the water heater...........14
8.3 Installation diagram.........................14
8.4 Water connections........................... 15
8.4.1 Cold water connection......................15
8.4.2 Hot water connection....................... 15
8.4.3 Circulation connection...................... 15
8.4.4 Drain valve..................................... 15
8.5 Gas connection............................... 15
8.6 Flue gas discharge...........................16
8.6.1 Draught diverter..............................16
8.6.2 T.R.S. (Thermal Reflux Safeguard)..... 16
8.6.3 Discharge pipe................................ 16
8.7 Commissioning................................16
8.7.1 Filling............................................ 16
8.7.2 Burner pressure.............................. 17
8.7.3 Turn on the water heater.................. 17
8.8 Decommisioning..............................17
8.8.1 Turn off the water heater..................17
8.8.2 Draining......................................... 17
9 Conversion of gas type..........17
10 Maintenance..........................18
10.1 Performance check.......................... 18
10.2 Water-side maintenance................... 18
10.2.1 Inspect the anode............................18
10.2.2 Inspect the inlet security group......... 19
10.2.3 Descale the tank............................. 19
10.3 Gas-side maintenance......................19
10.3.1 Clean the burner............................. 19
10.3.2 Clean the combustion chamber..........20
10.3.3 Assemble the burner........................20
10.3.4 Finalization..................................... 20
11 Troubleshooting.................... 20
11.1 General..........................................20
11.1.1 Safety thermostat........................... 20
11.1.2 T.R.S. (Thermal Reflux Safeguard)..... 21
0313094_LGL 30/40_UKUK_V1.0, 18-10-2018 5