Related Manuals for Grant Vortex Pro Internal Combi Series
Summary of Contents for Grant Vortex Pro Internal Combi Series
- Page 1 Grant Vortex Pro Internal Combi Combi XS, Combi 21, Combi 26 and Combi 36 Condensing Oil Boiler Range Installation and Servicing Instructions UK | DOC 0122 | Rev 1.1 | May 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- Page 2 This manual is accurate at the date of printing but will be superseded and should be disregarded if specifications and/or appearances are changed in the interests of continued product improvement.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 ELECtRiCaL How a condensing boiler operates Connecting the power supply Boiler description Connecting the controls - Flue options heating only Connecting an external frost Boiler components frost thermostat tEChniCaL Data fLUE SYStEM anD aiR SUppLY Boiler technical data Burner settings Air supply Conventional flue systems... -
Page 4: Introduction
The boilers are suitable for use in a sealed central heating system White system only. High level and vertical concentric balanced flue kit- components All the models in the current Grant Vortex Pro Combi range of available: boilers are designed to comply with the maximum NOx emissions* •... -
Page 5: Boiler Components
If required, an additional flexible fuel line (600 mm) and 3/8” to Figure 1-2 shows the details of the control panel. 1/4” BSP male adaptor are available to purchase from Grant UK, for two-pipe oil supply systems (Grant product code: RBS104). -
Page 6: Technical Data
tEChniCaL Data BOiLER tEChniCaL Data table 2-1: Boiler technical data Units Combi XS 26 Combi 21 Combi 26 Combi 36 litre 42.5 48.5 53.5 Water content (including 32 litre primary store) 10.7 11.8 Weight (dry) * 26.0 21.0 26.0 36.0 Maximum heat output (Kerosene) Btu/h 88,700... -
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 PLAN VIEW REAR VIEW RIGHT SIDE VIEW LEFT SIDE VIEW figure 2-3: Vortex Pro Combi XS 26 dimensions REV DESCRIPTION: 18/04/18 JOB TITLE: DRAWING TITLE: BP 17 VORTEX COMBI XS PANEL ASSEMBLY. a sm DWG NO: 22623 REV: REV DATE: DATE: VORTEX COMBI XS... - Page 9 PLAN VIEW INTERNAL DRAIN TRAP EXIT (LEFTSIDE PANEL ONLY) REAR VIEW LEFT SIDE VIEW RIGHT SIDE VIEW figure 2-5: Vortex Pro Combi 36 dimensions 03/06/15 JOB TITLE: DRAWING TITLE: BP 10 VORTEX COMBI 36 PANEL ASSEMBLY. a sm DWG NO: 22601 REV DESCRIPTION: ADJUSTMENTS MADE TO FLUE OUTLET OPENINGS REV DATE: 18-04-2018...
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Page 10: Oil Storage And Supply System
BS 5410-2. • ¼ʺ isolating valve (product code: ISOLATION1/4) Oil storage tanks should comply with the following standards: These are available to purchase from Grant UK. • Plastic tanks OFT T100 Metal braided flexible fuel hoses should be replaced ANNUALLY •... - Page 11 figure 3-1: Single pipe (gravity) system figure 3-2: Two pipe system figure 3-3: De-aeration device system Key to oil supply diagrams Oil tank External wall Burner Isolating valve Oil filter (15μm max. filtration size) Non-return valve Oil strainer Fire valve sensor De-aerator* Fire valve to BS5410 Oil pump...
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Page 12: Burner Oil Connection
¼ʺ isolating valve (product code: ISOLATION1/4) port and that the plastic plug is discarded. These are available to purchase from Grant UK. The burner fuel pump is supplied factory set for use with a single pipe (gravity) oil supply system. - Page 13 ⅜ʺ x ¼ʺ BSP adaptor (product code: RBS35) • ¼ʺ isolating valve (product code: ISOLATION1/4) These are available to purchase from Grant UK. Connect the oil supply to the burner oil pump as follows: Fit the flexible fuel hose (supplied with the boiler) to the suction port of the burner oil pump, as detailed in Section 3.2.1.
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Page 14: Installation
Installation of a Grant Vortex boiler must be in accordance with temperatures of less than 40°C when the system is up to the following recommendations: temperature. -
Page 15: Connections
0.2 bar. a suitable low pressure switch kit is available to purchase from Grant UK the air pressure in the vessel must be checked annually. -
Page 16: Pipe Connections
pipE COnnECtiOnS WatER COnnECtiOnS ! CaUtiOn ! Water connections may be from the rear, left or right hand side. If using low level side exit flue, connections must be on the opposite side to the flue. All pipes to be fitted into the push-fit connectors provided should be cut using a pipe slicer or pipe cutter - to leave the pipe ends with a slight radius and free from any burrs fLOW anD REtURn COnnECtiOnS... -
Page 17: Making The Water Connections
It is recommended that thermostatically controlled manufacturer’s instructions. Grant UK cannot be held responsible shower valves are used to protect against a flow of water at too for any damage or misuse caused by the fitting of any water high a temperature. -
Page 18: 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 19: Condensate Soakaway
Grant product COnDEnSatE DiSpOSaL guarantee. -
Page 20: External Condensate Trap
Disconnect condensate discharge hose from heat exchanger and condensate trap and remove it from the boiler. The flexible hose must fall continuously from the outlet to Replace with condensate trap hose (Grant product code: the top of the trap. VBS107). -
Page 21: Sealed Systems
The pressure gauge is factory fitted in the boiler control panel. It REQUiREMEntS has an operating range of 0 to 4 bar. Refer to Section 1.4. All Grant Vortex Pro Combi boilers must be used as part of a sealed system complying with the requirements of BS EN 12828, 7.1.3 SafEtY VaLVE BS EN 12831 and BS EN 14336. -
Page 22: Filling The Sealed System
fiLLinG thE hEatinG SYStEM pRESSURE RELiEf (SafEtY) VaLVE OpERatiOn Filling of the system must be carried out in a manner approved by the local Water Undertaking. Check the operation of the pressure relief (safety) valve as follows: ! WaRninG ! Turning the head of the valve anticlockwise until it clicks. -
Page 23: Electrical
ELECtRiCaL BURnER LEaD pLUG/SOCKEt COnnECtOR ! WaRninG ! On all four models, the electrical cable between the boiler control panel and burner is now fitted with an in-line 3-way plug and socket connector. This enables the burner to be easily Ensure that the electrical supply has been isolated before disconnected from the boiler control panel for ease of removal for making any connections to the boiler. - Page 24 Central Domestic Heating Hot Water Switch Switch Const Const Printed Circuit Board Off Off Timed Timed Limit Thermostat Timer Thermistors Mains CH Pump DHW Pump Burner Store Flow Earth connection boiler top bracket 11 12 13 14 1516 171819 20 21 22 23 24 25 26 Electrical Mains...
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Page 25: Connecting The Controls
25 & 26 on the connection block and connect the wires from the room thermostat. Refer to Figure 8-4 for further details. • A ‘plug-in’ Grant Mechanical 24-hour timer (product code: MTKIT) and room thermostat. Connect the room thermostat to the terminal block in accordance with the room thermostat manufacturer’s... - Page 26 13 14 15 16 17 18 19 20 21 22 23 24 25 26 230V 5A Fused Supply Grant Plug-in (panel mounted) Room Thermostat Frost Thermostat Mechanical Timer e.g. Danfoss Randall (if required) Grant Ref. MTKIT RMT230 e.g. Danfoss Randall...
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Page 27: Flue System And Air Supply
Suitable conventional flue systems are available from Grant UK. The flue must terminate in a down draught free area, i.e. at least 600 mm above the point of exit through the roof or preferably above the ridge level. - Page 28 ‘Green’ system components as listed in Figure 9-14. GFKIT 6/100 100 mm diameter x 6 metre Grant recommends the use of the Grant ‘Green’ and ‘Orange’ flue GFKIT 6/125 125 mm diameter x 6 metre system components for this application. Refer to Section 1.3 for details.
- Page 29 Boiler flue connector (from CFA 15/70 kit) Boiler Boiler figure 9-7: Hybrid flue system using Grant Orange and Green figure 9-6: Grant Orange flue system in a typical brick chimney systems components Section 9: flue System and air Supply page 29...
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Page 30: 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 31 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 32 Top plate to two 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...
- Page 33 Vertical terminal kit GTV90 (15 - 26 kW) GTV200 (26 - 70 kW) 45 elbow kit GE45/90 (15 - 26 kW) GE45/200 (26 - 70 kW) High level terminal kit GTH90 (15 - 26 kW) GTH200 (26 - 70 kW) Typical Extended wall bracket ue system...
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Page 34: Flue Clearances
2.5 metres from the terminal or patio’s (hard surface area). 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. page 34... -
Page 35: Prepare The Wall
pREpaRE thE WaLL 9.6.2 hiGh LEVEL anD VERtiCaL BaLanCED fLUE 9.6.1 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 9-19. -
Page 36: Commissioning
10 COMMiSSiOninG To ensure safe and efficient operation, it is essential that a Grant Combi boiler is commissioned as detailed in the following procedure. To access the controls, remove the front panel from the boiler (pull forward at the top and then lift off). -
Page 37: 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 both thermistor three fixing screws (1) and remove head (2) from burner. - Page 38 ! nOtE ! ! nOtE ! the distance between the end of the burner head and the Do not overtighten the fixing screw as this may damage front face of the diffuser (D) MUSt be correctly set for the the electrode insulator. burner to operate correctly.
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Page 39: Air Adjuster Disc - Combi 21 Only
2-2 for correct disc settings. If the disc is not correctly set it MUST be re-positioned. Refer to step 6 below. Grant Vortex Combi boilers incorporate a “pump overrun” The air adjuster disc is re-positioned as follows: feature, within the control circuit board, that operates as •... -
Page 40: Running The Boiler
10. Ensure that there are no oil leaks, replace the burner cover. ! CaUtiOn ! 11. On balanced flue installations - ensure the flexible air inlet tube is correctly connect to both the burner air inlet and the flue system. if there is any possibility of the boiler being left during freezing conditions, then the boiler and system should be 10.5 RUnninG thE BOiLER... -
Page 41: Servicing
11 SERViCinG 11.2 DiSMantLinG pRiOR tO To ensure safe and efficient operation it is essential that a Grant Combi boiler is serviced at regular intervals of no longer than 12 SERViCinG 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 42 figure 11-1: Baffles in Vortex Pro Combi 21 figure 11-3: Baffles in Vortex Pro Combi 36 Position in vertical plane IMPORTANT: The ends of the turbulators must be vertical figure 11-2: Baffles in Vortex Pro Combi 26 figure 11-4: Turbulators in Vortex Pro Combi boilers page 42 Section 11: Servicing...
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Page 43: Cleaning The Burner
11.4 CLEaninG thE BURnER Burner air inlet cover This is located on the right hand side of the burner. Refer to With the burner removed from the boiler: Section 11.8 (burner components). Burner head, nozzle and diffuser/electrode assembly Unscrew and remove the two screws and remove the air inlet Remove the burner head. -
Page 44: Adjuster The Diffuser
11.5 aDjUStinG thE DiffUSER 11.6 aiR aDjUStER DiSC – COMBi 21 OnLY Adjust the diffuser position. Refer to Figure 10-5. The Riello RDB 2.2 BX burner fitted to this boiler incorporates a ! nOtE ! secondary air adjustment. This is an air adjuster disc located on the fan housing (inside the air inlet housing). -
Page 45: Burner Components
11.8 BURnER COMpOnEntS 11.8.1 COMBi XS 26, COMBi 21, COMBi 26 anD COMBi 36 (RiELLO RDB 2.2 BX) item Description item Description Oil pump Air inlet Air damper adjustment screw Motor Reset button with lockout lamp Motor ignition capacitor Photocell Fuel suction line Control box Return line... -
Page 46: Fault Finding
12 faULt finDinG 12.1 initiaL ChECKLiSt - fOR inStaLLERS OR SERViCE EnGinEERS 12.1.1 if thE BOiLER faiLS tO LiGht First follow the procedure below Check that the fused spur for the heating system is switched on. Power supply Check that the fuse has not blown. Check that the electricity supply has not failed;... -
Page 47: Main Fault Finding Procedures
12.2 Main faULt finDinG pROCEDURES nO CEntRaL hEatinG - BUt hOt WatER OK First, set the hot water switch to OFF Check programmer/timer and room thermostat are calling for heating. Is the ‘DEMAND’ indicator lit? Checking ‘heating’ switch is set to ‘TIMED’. Check electrical connections at the pump. - Page 48 nO CEntRaL hEatinG - BUt CEntRaL hEatinG OK First, set the heating switch to OFF Check programmer is calling for hot water. Is the ‘DEMAND’ indicator If no programmer is fitted: check ‘hot water’ switch is set to ‘CONSTANT’. lit? Check ‘heating’...
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Page 49: Poor Hot Water Checklist
BURnER nOt OpERatinG First, set either hot water or heating to ON Refer to ‘initial checklist’ for guidance. Is the ‘BURNER’ indicator lit? Continue to next check. First, set boiler ‘ON/OFF’ switch to ‘OFF’. Is the ‘BURNER’ indicator Wait 5 seconds flashing? Fast or slow flash. -
Page 50: Burner Fault Finding
12.4 BURnER faULt finDinG - RiELLO RDB BURnERS page 50 Section 12: fault finding... -
Page 51: Spare Parts
13 SpaRE paRtS 13.1 RiELLO RDB 2.2 BX BURnERS This section gives exploded views of the Riello burners in the Grant Vortex boilers, and parts lists associated with them. Section 13: Spare parts page 51... - Page 52 page 52 Section 13: Spare parts...
- Page 53 Section 13: Spare parts page 53...
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Page 54: Declaration Of Conformity
Model name/number: Grant Vortex Pro Combi XS 26, 21, 26 and 36 Indoor Note: All Grant Combi 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 55: 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 56: 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 57: 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 Combi 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 regime... -
Page 58: 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 59 • 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 60 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...