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1 Introduction 4
1.1 How a condensing boiler works 4
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 6
2.3 Vortex boiler using Class C2 kerosene 7
2.4 Flue gas analysis 7
2.5 Water connections 7
2.6 Boiler dimensions 8
3 Oil Storage & Supply System 10
3.1 Fuel supply 10
3.2 Burner oil connection 12
4 Boiler Installation Information 14
4.1 Introduction 14
4.2 Boiler location 14
4.3 Preparation for installation 14
4.4 Installing the boiler 14
4.5 Regulations compliance 14
4.6 Completion 15
4.7 Before you commission 15
4.8 Heating system design considerations 15
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
5.2 Water connections - system models 16
5.3 Water connections - bolier house models 17
5.4 Fit flow pipe & dual stat - boiler house models 17
6 Condensate Disposal 18
6.1 General requirements 18
6.2 Connections 18
6.3 Pipework 18
6.4 External pipework 18
6.5 Condensate soakaway 18
6.6 Condensate trap 19
6.7 Condensate disposal pipework 19
6.8 Inspection and cleaning of trap 19
6.9 Relocate the trap 20
7 Sealed Systems 21
7.1 Sealed system installation 21
7.2 System models 22
7.3 Fill the sealed system 22
7.4 Vent the pump 23
7.5 Pressure relief safety valve 23
Contents
8 Electrical 24
8.1 Connecting the power supply 24
8.2 Fit the programmer 24
8.3 Connect the power supply - boiler house models 24
8.4 Frost protection 25
8.5 Control system wiring diagrams 26
8.6 Boiler control panel wiring diagrams 28
9 Flue & Air Supply 30
9.1 Air supply 30
9.2 Conventional flue systems 31
9.3 Connecting a conventional flue 33
9.4 Balanced flue systems 34
9.5 Prepare the wall 39
9.6 High level and vertical balanced flue 39
10 Commissioning 40
10.1 Before switching on 40
10.2 Switching on 41
10.3 Running the boiler 41
10.4 Balancing the system 41
10.5 Completion 41
10.6 Air adjuster disc - 15/21 only 42
11 Boiler Servicing 43
11.1 Check before servicing 43
11.2 Dismantling prior to servicing 43
11.3 Cleaning the boiler 43
11.4 Cleaning the burner 44
12 Fault Finding 46
12.1 Boiler fault finding 46
12.2 Burner fault finding 47
13 Spare Parts 48
13.1 Riello RDB1, 2, 2.2 burner spares 48
13.2 Riello RDB3.2 burner spares 50
13.3 Boiler spares 52
13.4 Burner heads 52
14 Health & Safety Information 53
14.1 Insulation materials 53
14.2 Kerosene and gas oil fuels (mineral oils) 53
15 EC Declaration of Conformity 54
16 Warranty 55
17 Notes 57
Contents
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