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Summary of Contents for Grant Vortex Eco VTXWH12/16
- Page 1 Grant Vortex Eco Internal Wall Hung Condensing Oil Boiler Range Installation and Servicing Instructions UK | DOC 0126 | Rev 1.1 | October 2018...
- Page 2 This manual is accurate at the date of printing but will be superseded and should be disregarded if specifications and/or appearances are changed in the interests of continued product improvement. However, no responsibility of any kind for any injury, death, loss, damage or delay however caused resulting from the use of this manual can be accepted by Grant Engineering (UK) Limited, the author or others involved in its publication.
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Page 3: Table Of Contents
COntEnts IntRODUCtIOn fLUE sYstEm anD aIR sUppLY How a condensing boiler operates Air supply Boiler description Conventional flue systems Flue options Connecting a conventional flue Boiler components Balanced flue systems Prepare the wall tECHnICaL Data Flue clearances Boiler technical data Sealed system data COmmIssIOnInG Burner settings... -
Page 4: Introduction
Extensions 225 mm, 450 mm, 950 mm fitted. • Adjustable 275 to 450 mm All the models in the current Grant Vortex Pro range of boilers are • Vertical concentric balanced flue kit designed to comply with the maximum NOx emissions* under the •... -
Page 5: Boiler Components
BOILER COmpOnEnts All burners are pre-set for use with kerosene and are supplied ready to connect to a two pipe fuel supply system with a two flexible fuel lines and 3/8ʺ to 1/4ʺ BSP male adaptor supplied with the boiler. The temperature of the water leaving the boiler to heat the radiators and hot water cylinder is user adjustable. -
Page 6: Technical Data
tECHnICaL Data BOILER tECHnICaL Data table 2-1: Boiler technical data Internal Wall Hung Internal system Wall Hung Units 12/16 16/21 12/16 16/21 litre Water content 91.1 91.1 98.0 98.0 Weight - complete boiler (dry) 200.8 200.8 216.1 216.1 56.5 56.5 56.5 56.5 Weight - boiler shell only (dry)*... -
Page 7: Burner Settings
The data given above is approximate only and is based on the boiler being used with a low level balanced flue. The above settings may have to be adjusted on site for the correct operation of the burner. Gas Oil is NOT suitable for use with Grant Vortex boiler range The flue gas temperatures given above are ± 10%. -
Page 8: Boiler Dimensions
BOILER DImEnsIOns RIGHT SIDE VIEW Flow Flow Return Return Cold Mains Cold Mains Electricity Condensate Electricity TOP VIEW FRONT VIEW BOTTOM VIEW Flow Return Cold Mains Condensate Electricity LEFT SIDE VIEW BOTTOM VIEW 04/07/18 JOB TITLE: DRAWING TITLE: BP 15 VORTEX WALL HUNG 12-21 IND & IND SYS PANEL ASSEMBLY. a sm REV DISCRIPTION: Wall Hung Indoor DWG NO:... -
Page 9: Oil Storage And Supply System
OIL stORaGE anD sUppLY sYstEm fUEL sUppLY The fire valve must have an operating temperature of between 90 and 95°C to avoid unnecessary nuisance shut-offs to the oil 3.1.1 fUEL stORaGE supply. The tank should be positioned in accordance with the Two flexible fuel hoses, adaptors and ¼ʺ... - Page 10 3-1: Single pipe (gravity) system figure 3-2: Two pipe system figure 3-3: De-aeration device system Key to oil supply diagrams GRANT ENGINEERING UK LTD SCALE: A4: 1:40 DRAWING NUMBER: 00 Hopton Industrial Estate Devizes SN10 2EU Oil tank Heating flow and return...
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Page 11: Burner Oil Connection
BURnER OIL COnnECtIOn 3.1.5 sInGLE pIpE (sUCtIOn) sYstEm WItH DEaERatOR - (REfER tO fIGURE 3-3) The burner fuel pump is supplied factory set for use with a two If the storage tank outlet is below the level of the burner oil pump, pipe oil supply system. - Page 12 This page is intentionally left blank. page 12 section 3: Oil storage and supply system...
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Page 13: Installation
! nOtE ! failure to install and commission appliances correctly may invalidate the boiler guarantee. Installation of a Grant Vortex boiler must be in accordance with the boiler should not be allowed to operate with return the following recommendations: temperatures of less than 40°C when the system is up to •... -
Page 14: Pipework Materials
4.5 pIpEWORK matERIaLs pREpaRatIOn fOR InstaLLatIOn Grant Vortex boilers are compatible with both copper and plastic pipe. Where plastic pipe is used it must be of the oxygen barrier The following procedure must be performed before you can begin type and be the correct class (to BS 7291-1) for the application dismantling the boiler for installation: concerned. - Page 15 10. Remove the two screws securing right hand side panel to bottom panel. Remove right hand side panel from boiler by lifting upwards to disengage tabs. 11. Repeat procedure to remove left hand side panel from boiler. 12. Slacken the three screws at rear of bottom casing panel and remove bottom panel from boiler.
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Page 16: Installing The Boiler
fixings supplied by Grant UK. InstaLLInG tHE BOILER You are now ready to install the boiler. The procedure is as follows: If a back outlet flue system is to be used, remove the large circular flue knock-out from back panel. If the rear outlet PRV discharge is to be used, remove the knock-out from the back panel (as shown in the figure below. -
Page 17: Before You Commission
Fernox products visit www.fernox.com. of panel into slots in back panel. Firmly push side panel Grant UK strongly recommends that a Grant Mag One in-line downwards to fully engage tabs. magnetic filter/s (or equivalent*) is fitted in the heating system 19. -
Page 18: Pipe Connections
pIpE COnnECtIOns WatER COnnECtIOns fLOW anD REtURn COnnECtIOns - aLL mODELs On all models a 22mm push-fit connection is provided for both the heating flow and return connections. Holes are provided in the top and bottom casing panels to route the pipework as required. -
Page 19: Condensate Disposal
COnDEnsatE DIspOsaL GEnERaL REQUIREmEnts pIpEWORK When in condensing mode the Grant Vortex boilers produce Condensate disposal pipework must be plastic (plastic waste or condensate from the water vapour in the flue gases. overflow pipe is suitable). This condensate is moderately acidic with a pH value of around ! nOtE ! 3.27 (similar to orange juice). -
Page 20: Condensate Soakaway
Grant product COnDEnsatE DIspOsaL guarantee. -
Page 21: Sealed Systems
! nOtE ! REQUIREmEnts All Grant Vortex Eco Wall Hung models are suitable for use with Ensure that the expansion vessel used is of sufficient size sealed systems complying with the requirements of BS EN 12828, for the system volume. -
Page 22: Filling The Sealed System
system. This can be done manually (where allowed by the local operating the safety valve until the system design pressure is water undertaking) using an approved filling loop arrangement obtained. incorporating a double check valve assembly. 10. Close the fill point and double check valves either side of the The filling loop must be isolated and disconnected after filling the filling loop and disconnect the loop. -
Page 23: Electrical
ELECtRICaL GEnERaL fROst pROtECtIOn Grant Vortex Eco models requires a ~230V 1ph 50Hz supply. It For additional protection of either the entire heating system, or must be protected by a 5 Amp fuse. the boiler and localised pipework, it is recommended that a frost thermostat be installed. -
Page 24: Control System Wiring Diagrams
COntROL sYstEm WIRInG DIaGRams Grey Blue Blue Motor Motor Orange Zone Valve Zone Valve Orange Green/Yellow 240 V 50 Hz Cylinder Stat Room Stat wiring centre Pipe Thermostat (if fitted) Frost Thermostat Pump Supply to burner L N E L 1 2 3 4 Boiler Terminal Block figure 8-1: Internal wall hung - 2 X 2-port valve control system... - Page 25 Grey Blue Blue Motor Motor Orange Zone Valve Zone Valve Orange Green/Yellow 240 V 50 Hz L641 Cylinder T6160 Stat Room Stat wiring centre Pipe Thermostat (if fitted) Frost Thermostat Supply to Pump Supply to burner L N E L E N L L 1 2 3 4 7 8 9 10...
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Page 26: Boiler Control Panel Wiring Diagrams
BOILER COntROL panEL WIRInG DIaGRams 4 core white insulation 4 core white Mains Supply: Use insulation 2 pole isolator with power “ON” indicator Blk G/Y Fit covers as above on plug and socket Black Green/ Yellow Brown Blue Green/ Yellow Blue Brown Brown... - Page 27 3 core white 3 core white insulation insulation Mains Supply: Use 2 pole isolator with 4 core white 4 core white power “ON” indicator insulation insulation Fit covers as above on plug and socket Green/ Yellow Brown Blue Green/ Green/ Yellow Yellow Blue...
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Page 28: Flue System And Air Supply
‘Green’ system components as listed in Figure 9-14. compartment ventilation from outside figure 9-2: Air supply for conventional flue boilers Grant recommends the use of the Grant ‘Green’ and ‘Orange’ flue system components for this application. Refer to Section 1.3 for details. - Page 29 GFKIT 10/100 100mm diameter x 10 metre straight flue extensions, adjustable extensions and elbows from the Grant ‘Orange’ system for the internal section of the flue GFKIT 10/125 125mm diameter x 10 metre system, see Figure 9-6. These components can be fitted between...
- Page 30 9-7: Hybrid flue system using Grant Orange and Green figure 9-6: Grant Orange flue system in a typical brick chimney systems components page 30 section 9: flue system and air supply...
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Page 31: Connecting A Conventional Flue
All are suitable for use with Class C2 Kerosene. instructions supplied with the flue kit. If the Grant ‘Green’ system (100 mm rigid twin-wall flue) is to be ! nOtE ! fitted to the boiler then the Grant CF adaptor kit (product code: CFA15/70) must be used –... - Page 32 The maximum flue length - from the top of the boiler flue outlet The following items are additionally available: to the outer face of the wall - is 10 metres for all Grant Vortex • Extensions to extend the flue by 225 mm, 450 mm or 950 boilers.
- Page 33 45° elbows. The Grant Red system flexible stainless steel liner is directional. The arrows marked on the liner MUST be pointing vertically upwards, following the direction of the flue gases. Failure to comply with this instruction could lead to a leakage of condensate from the flue liner.
- Page 34 Vertical terminal kit 45° elbow kit High level terminal kit Extended wall bracket Wall bracket Locking band Extension kits Starter kit figure 9-13: External balanced flue (green system) table 9-14: Green system components - product codes Item 12/16 and 16/21 models Standard starter kit (stainless steel) GK90B Short starter kit (stainless steel)
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Page 35: Prepare The Wall
pREpaRE tHE WaLL 9.5.2 HIGH LEVEL anD VERtICaL BaLanCED fLUE 9.5.1 LOW LEVEL BaLanCED fLUE If the boiler is to be used with the high level balanced flue (White If the boiler is to be used with a low level balanced flue (Yellow system) make the hole in the wall as shown in Figure 9-17. -
Page 36: Flue Clearances
fLUE CLEaRanCEs page 36 section 9: flue system and air supply... - Page 37 Further guidance can be obtained from BS 5410-1:2014, OFTEC Book 4 (Installation) and Approved Document J. Grant UK flue products are fully compliant with the CE (Communauté Européenne/European Community) standards having undergone rigorous product testing. section 9: flue system and air supply...
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Page 38: Commissioning
10 COmmIssIOnInG To ensure safe and efficient operation, it is essential that a Grant Eco Wall Hung boiler is commissioned as detailed in the following procedure. To access the controls, open the lower front panel by pulling it down as shown in Figure 10-1. -
Page 39: Before Switching On
10.1 BEfORE sWItCHInG On 10.2 BURnER sEttInGs Ensure the boiler is isolated from the electrical supply and With the burner removed from the boiler: the boiler On/Off switch is set to OFF. Remove the burner head. Refer to Figure 10-3. Loosen the Check that the high limit thermostat bulb and boiler two fixing screws and remove the head from the burner. -
Page 40: Switching On
• Position the gauge on the internal shoulder of the burner head so the leg for the required output is pointing towards the nozzle. • Check that the gauge is at 90°to the internal shoulder of the burner head and across the full diameter. •... -
Page 41: Running The Boiler
10.5 BaLanCInG tHE sYstEm gauge and replace the plug in the pump. Ensure that there are no oil leaks. When the boiler has been adjusted and is running satisfactorily, balance the central heating system by adjusting 10. On balanced flue installations – ensure the flexible air inlet the radiator lock shield valves. -
Page 42: Servicing
11 sERVICInG 11.2 DIsmantLInG pRIOR tO To ensure efficient operation of the boiler it is essential that a Grant Eco Wall Hung boiler is serviced at regular intervals of no sERVICInG longer than 12 months. The procedure for dismantling the boiler is as follows: Servicing and replacement of parts must only be carried out by a suitably qualified engineer. -
Page 43: Cleaning The Boiler
11.3 CLEanInG tHE BOILER 11.4 CLEanInG tHE BURnER The procedure for cleaning the boiler is as follows: With the burner removed from the boiler: Remove the nuts and washers securing the front cleaning Remove the burner head. Refer to Figure 10-3. Loosen the door and withdraw the door. - Page 44 11.5 CLEanInG tHE BURnER towards the nozzle. • Check that the gauge is at 90°to the internal shoulder of The procedure for cleaning the burner is: the burner head and across the full diameter. photocell • If the diffuser setting is correct, the tip of the gauge leg The photocell is a push-fit in the front of the burner body.
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Page 45: Fault Finding
12 faULt fInDInG 12.1 BURnER faULt fInDInG CHaRts 12.1.1 BURnER faILs tO staRt, nO fLamE, nO LOCK OUt symptoms possible causes actions Motor fails to run No electrical supply to boiler ► Check ON/OFF switch is ON - mains neon is lit ▼... - Page 46 12.1.3 BURnER staRts, nO fLamE, GOEs tO LOCKOUt symptoms possible causes actions Motor runs Flame instability ▼ ▼ Burner pre-purges Carbon / soot on combustion head ► Clean blast tube ▼ ▼ Burner does not fire No oil pressure ► Check pump drive coupling - replace if failed ▼...
- Page 47 12.1.5 DELaYED IGnItIOn, BURnER staRts VIOLEntLY symptoms possible causes actions Burner pulsates on Excessive combustion air ► Recommission burner - adjust air setting start up Low oil pressure ► Check and recommission burner Partially blocked nozzle ► Replace nozzle Fuel contamination (water in tank) ►...
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Page 48: Spare Parts
13 spaRE paRts This section gives exploded views of the Ecoflam Max 1 low NOx yellow flame burners in the Grant Vortex Eco Wall Hung boilers, and parts lists associated with them. page 48 section 13: spare parts... - Page 49 section 13: spare parts page 49...
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Page 50: Declaration Of Conformity
Indoor Grant Vortex Eco Wall Hung System 12-16 and 16-21 Indoor Note: All Grant system variants are supplied with glandless high efficiency integrated circulators In accordance with the following Directives: 2006/95/EEC Conforms with the safety objectives of the Low Voltage Directive and its amending directives. -
Page 51: Health And Safety Information
15 HEaLtH anD safEtY InfORmatIOn 15.3 KEROsEnE anD Gas OIL fUELs Under the Consumer Protection Act 1987 and Section 6 of the Health & Safety at Work Act 1974, we are required to provide (mInERaL OILs) information on substances hazardous to health (COSHH Regulations 1988). -
Page 52: End Of Life Information
16 EnD Of LIfE InfORmatIOn GEnERaL Grant oil boilers incorporate components manufactured from a variety of different materials. The majority of these materials can be recycled whilst the smaller remainder cannot. Materials that cannot be recycled must be disposed of according to local regulations using appropriate waste collection and/or disposal services. -
Page 53: Product Fiche
17 pRODUCt fICHE Product fiche concerning the COMMISSION DELEGATED REGULATIONS (EU) No 811/2013 of 18 February 2013 (EU) No 813/2013 of 2 August 2013 Vortex pro Utility symbols Unit Condensing boiler Low temperature boiler B1 boiler Combination heater Rated heat output Prated Useful heat output At rated heat output and high temperature... -
Page 54: Guarantee
18 GUaRantEE You are now the proud owner of a Grant Vortex condensing boiler free of charge repairs from Grant Engineering (UK) Limited which has been designed to During the two year guarantee period no charge for parts or give years of reliable, trouble free operation. - Page 55 • The balance of the guarantee is transferable providing the installation is serviced prior to the dwelling’s new owners taking up residence. Grant Engineering (UK) Limited must be informed of the new owner’s details. • The Company will endeavour to provide prompt service in the unlikely event of a problem occurring, but cannot be held responsible for any consequences of delay however caused.
- Page 56 GRant EnGInEERInG (UK) LImItED Hopton House, Hopton Industrial Estate, Devizes, Wiltshire, SN10 2EU Tel: +44 (0)1380 736920 Fax: +44 (0)1380 736991 Email: info@grantuk.com www.grantuk.com...
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