Grant Vortex VTXBH1521, Installation And Servicing Instructions

Page: 3 / 52

1 iNtRODUCtiON 4
1.1 How a condensing boiler operates 4
1.2 Boiler description 4
1.3 Flue options 4
1.4 Boiler components 5
2 tECHNiCaL Data 6
2.1 Boiler technical data 6
2.2 Burner settings 7
2.3 Flue gas analysis 7
2.4 Water connections 7
2.5 Boiler dimensions 8
3 OiL StORaGE aND SUppLY SYStEm 10
3.1 Fuel supply 10
3.2 Burner oil connection 12
3.3 Fitting the burner 13
4 BOiLER iNStaLLatiON iNFORmatiON 14
4.1 Introduction 14
4.2 Boiler location 14
4.3 Regulations compliance 14
4.4 Heating system design 14
considerations
4.5 Pipework materials 15
4.6 Connections 15
4.7 Preparation for installation 15
4.8 Installing the boiler 15
4.9 Before you commission 15
5 pipE CONNECtiONS 16
5.1 General 16
5.2 15/21, 21/26 and 26/35 models 16
5.3 36/46 model only 16
5.4 46/58 and 58/70 models 17
5.5 Fitting the dual thermostat 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 19
6.6 Condensate trap 19
6.7 Condensate disposal pipework 19
6.8 Inspection and cleaning of trap 19
7 SEaLED SYStEmS 20
7.1 Sealed system requirements 20
7.2 Filling the sealed system 21
7.3 Venting the pump 21
7.3 Pressure relief (safety) valve 21
operation
Contents page 3
8 ELECtRiCaL 22
8.1 General 22
8.2 Connecting the power supply 22
8.3 Frost protection 22
8.4 Wiring diagrams 22
9 FLUE SYStEm aND aiR SUppLY 25
9.1 Air supply 25
9.2 Conventional flue systems 25
9.3 Connecting a conventional flue 28
9.4 Balanced flue systems 28
9.5 Flue clearances 32
9.6 Prepare the wall 33
10 COmmiSSiONiNG 34
10.1 Before switching on 34
10.2 Air adjuster disc - 15/21 only 35
10.3 Combustion head adjustment - 35
58/70 only
10.4 Switching on 35
10.5 Running the boiler 36
10.6 Balancing the system 36
10.7 Completion 36
11 BOiLER SERViCiNG 37
11.1 General 37
11.2 Checks before servicing 37
11.3 Dismantling prior to servicing 37
11.4 Cleaning the boiler 37
11.5 Cleaning the burner 39
12 FaULt FiNDiNG 40
12.1 Boiler fault finding 40
12.2 Burner fault finding - Riello RDB 41
13 SpaRE paRtS 42
13.1 Riello RDB 2.2 burners 42
(15/21, 21/26, 26/35 and 36/46)
13.2 Riello RDB 3.2 burners 44
(46/58 and 58/70)
13.3 Boiler Parts List 46
14 DECLaRatiON OF CONFORmitY 47
15 HEaLtH aND SaFEtY iNFORmatiON 48
15.1 Insulation materials 48
15.2 Sealant and adhesive 48
15.3 Kerosene and Gas Oil fuels 48
16 END OF LiFE iNFORmatiON 49
17 pRODUCt FiCHE 50
CONtENtS