Grant Vortex Outdoor Module, Design, Installation And Servicing Instructions

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1 INTRODUCTION 6
1.1 How a condensing boiler operates 6
1.2 Boiler description 6
1.3 Flue options 6
1.3.1 For conventional fl ue applications 6
1.3.2 For balanced fl ue applications 6
1.4 Boiler components 7
2 TECHNICAL DATA 8
2.1 Boiler technical data 8
2.2 Sealed system data 8
2.3 Burner settings 9
2.4 Flue gas analysis 9
2.5 Water connections 9
2.6 Boiler dimensions 10
3 OIL STORAGE AND SUPPLY
SYSTEM 12
3.1 Fuel supply 12
3.2 Burner oil connection 14
4 INSTALLATION 16
4.1 Introduction 16
4.2 Boiler location 16
4.3 Regulations compliance 16
4.4 Heating system design considerations 16
4.5 Pipework materials 17
4.6 Connections 17
4.7 Preparation for installation 17
4.8 Installing the boiler 17
4.9 Before you commission 17
4.10 Completion 17
5 PIPE CONNECTIONS 18
5.1 Water connections 18
5.2 Water connections - system models 18
5.3 Water connections and thermostat
phial positions 18
6 CONDENSATE DISPOSAL 19
6.1 General requirements 19
6.2 Connections 19
6.3 Pipework 19
6.4 External pipework 19
6.5 Condensate soakaway 20
6.6 Condensate trap 20
6.7 Condensate disposal pipework 20
6.8 Inspection and cleaning of trap 20
6.9 External condensate trap fi tting 21
7 SEALED SYSTEMS 22
7.1 Sealed system requirements 22
7.2 Filling the sealed system 23
7.3 Venting the pump 23
7.3 Pressure relief (safety) valve operation 23
8 ELECTRICAL SYSTEM 24
8.1 General 24
8.2 Connecting the power supply 24
8.3 Frost protection 24
8.4 Control system wiring diagrams 25
8.5 Boiler control panel wiring diagrams 26
8.6 System wiring using grant wiring centre EP001 27
9 FLUE SYSTEM AND AIR
SUPPLY 28
9.1 Air supply 28
9.2 Conventional fl ue systems 28
9.3 Connecting a conventional fl ue 31
9.4 Balanced fl ue systems 31
9.5 Prepare the wall 35
9.6 Flue clearances 36
10 COMMISSIONING 38
10.1 Before switching on 38
10.2 Burner settings: Riello RDB 2.2 BX burners 38
10.3 Burner settings: Riello RDB 3.2 burners 41
10.4 Air adjuster disc: 42
10.5 Switching on 15/26 models only 42
10.6 Running the boiler 43
10.7 Balancing the system 43
10.8 Completion 43
10.9 Information for the user 43
11 SERVICING 44
11.1 Checks before servicing 44
11.2 Dismantling prior to servicing 44
11.3 Cleaning the boiler 44
11.4 Cleaning the burner:Riello RDB 2.2 BX burners 46
11.5 Cleaning the burner: Riello RDB 3.2 burners 46
11.6 Cleaning the burner - all models 47
11.7 Air adjuster disc: 15/26 models only 47
11.8 Recommissioning 47
11.9 Burner Components 47
12 FAULT FINDING 48
CONTENTS