3
Contents
1 Introduction 4
1.1 How a condensing boiler 4
works
1.2 Boiler description 4
1.3 Boiler components 5
2 Technical Data 6
2.1 Boiler technical data 6
2.2 Sealed system data - sealed 7
system models
2.3 Vortex boilers using Class 7
C2 kerosene
2.4 Flue gas analysis 7
2.5 Water connections 7
2.6 Boiler dimensions 8
3 Oil Storage and Supply 9
System
3.1 Fuel supply 9
3.2 Burner oil connection 11
4 Boiler Installation 13
Information
4.1 Introduction 13
4.2 Boiler location 13
4.3 Preparation for installation 13
4.4 Installing the boiler 14
4.5 Regulations compliance 14
4.6 Completion 14
4.7 Before you commission 14
4.8 Heating system design 15
considerations
4.9 Underfloor heating systems 15
4.10 Pipework materials 15
4.11 Sealed systems 15
4.12 Underfloor pipework 15
5 Pipe Connections 16
5.1 Water connections 16
6 Condensate Disposal 17
6.1 General requirements 17
6.2 Connections 17
6.3 Pipework 17
6.4 External pipework 17
6.5 Condensate soakaway 17
6.6 Condensate trap 18
6.7 Condensate disposal 18
pipework
6.8 Inspection and cleaning of 18
trap
7 Sealed Systems 19
7.1 Sealed system installation 19
7.2 System models 20
7.3 Fill the sealed system 20
7.4 Pressure relief safety valve 20
7.5 Circulating pump 21
8 Electrical 23
8.1 Connecting the power 23
supply
8.2 Frost protection 23
8.3 Control system wiring 24
diagrams
8.4 Boiler control panel wiring 25
diagram
9 Flue and Air Supply 26
9.1 Air supply 27
9.2 Low level discharge flue 27
9.3 Horizontal system 27
9.4 Green system 28
9.5 Hybrid system 29
9.6 Coventional flue systems 29
10 Commissioning 30
10.1 Before switching on 30
10.2 Switching on 30
10.3 Running the boiler 31
10.4 Balancing the system 31
10.5 Completion 31
10.6 Air adjuster disc - 15/21 only 31
11 Boiler Servicing 32
11.1 Checking before servicing 32
11.2 Dismantling prior to servicing 32
11.3 Cleaning the boiler 34
11.4 Cleaning the burner 34
12 Fault finding 35
12.1 Boiler fault finding 35
12.2 Burner fault finding 36
12.3 Circulating pump fault 37
diagnosis
13 Spare Parts 38
13.1 Boiler parts list 38
13.2 Burner heads 38
13.3 Riello RDB2.2 burner 39
14 Health and Safety 41
Information
14.1 Insulation materials 41
14.2 Sealant materials 41
14.3 Kerosene and gas oil fuels 41
(mineral oils)
15 Recycling and disposal 42
16 Guarantee 43
18 Notes 45
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