REMEHA Calenta 25s, Installation And Service Manual

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Contents
1 Introduction ................................................................................................6
1.1 Symbols used .......................................................6
1.2 Abbreviations ........................................................6
1.3 General ..................................................................6
1.3.1 Manufacturer's liability .............................................6
1.3.2 Installer's liability .....................................................7
1.4 Homologations ......................................................7
1.4.1 Certifications ...........................................................7
1.4.2 Equipment categories .............................................9
1.4.3 Additional Directives ................................................9
1.4.4 Factory test .............................................................9
2 Safety instructions and recommendations ............................................10
2.1 Safety instructions .............................................10
2.2 Recommendations ..............................................10
3 Technical description ..............................................................................12
3.1 General description ............................................12
3.2 Main parts ............................................................12
3.3 Operating principle .............................................13
3.3.1 Gas/air setting .......................................................13
3.3.2 Combustion ...........................................................14
3.3.3 Heating and domestic hot water production ..........14
3.3.4 Control system ......................................................14
3.3.5 Adjustment ............................................................14
3.3.6 Regulation of the water temperature .....................15
3.3.7 Protection against a shortage of water ..................15
3.3.8 Maximum temperature protection .........................15
3.3.9 Skeleton Diagrams ................................................16
3.3.10 Shunt pump ...........................................................16
3.3.11 Water flow rate ......................................................17
3.4 Technical specifications ....................................17
4 Installation ................................................................................................20
4.1 Regulations governing installation ...................20
4.2 Package list .........................................................20
4.2.1 Standard delivery ..................................................20
4.2.2 Accessories ...........................................................21
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