Grant Vortex Eco Series Installation And Servicing Instructions
Wall hung external and wall hung external system condensing oil boiler range
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Summary of Contents for Grant Vortex Eco Series
- Page 1 Grant Vortex Eco Wall Hung External and Wall Hung External System Condensing Oil Boiler Range Installation and Servicing Instructions UK | DOC 0127 | Rev 2.1 | January 2020...
- Page 2 This manual is accurate at the date of printing but will be superseded and should be disregarded if specifications and/or appearances are changed in the interests of continued product improve- ment. 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 External conventional flue Boiler components (green system) Flue clearances TECHNICAL DATA Boiler technical data COMMISSIONING Sealed system data 10.1 Before switching on Burner settings 10.2... -
Page 4: Introduction
The boilers are supplied with a flue terminal but can be connected to a conventional flue system. All the models in the current Grant Vortex Eco range of boilers are designed to comply with the maximum NOx emissions* under the Energy-related Products Directive (ErP). -
Page 5: Boiler Components
BOILER COMPONENTS ! NOTE ! 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 If the ON/OFF switch is set to off the boiler will NOT supply the boiler. -
Page 6: Technical Data
TECHNICAL DATA BOILER TECHNICAL DATA Table 2-1: Boiler technical data Wall Hung External Wall Hung External System Units 12/16 16/21 12/16 16/21 litre 13.4 13.4 13.4 13.4 Water content 92.4 92.4 99.3 99.3 Weight - complete boiler (dry) 203.7 203.7 218.9 218.9 56.5... -
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 FRONT VIEW BACK PANEL* TOP VIEW LEFT SIDE VIEW RIGHT SIDE VIEW *Back panel viewed from front. BOTTOM VIEW Figure 2-1: Vortex Eco Wall Hung External and External System 12/16 and 16/21 Page 8 Section 2: Technical Data... -
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 Figure 3-1: Single pipe (gravity) system Figure 3-2: Two pipe system GRANT ENGINEERING UK LTD SCALE: A4: 1:40 DRAWING NUMBER: 00 Hopton Industrial Estate Devizes SN10 2EU REVISION: 00 DRAWN BY: T. K. Lavery DRAWING NAME: DATE: 23rd November 2017 □...
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Page 11: Burner Oil Connection
3.1.5 SINGLE PIPE (SUCTION) SYSTEM WITH BURNER OIL CONNECTION 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: Installation
Section 15. invalidate the boiler guarantee. To achieve the maximum efficiency possible from the Grant Vortex Installation of a Grant Vortex boiler must be in accordance with boiler, the heating system should be designed to the following the following recommendations: parameters: •... -
Page 13: Pipework Materials
DISMANTLING THE BOILER 4.5 PIPEWORK MATERIALS Dismantle the boiler as follows, keeping all components, screws Grant Vortex boilers are compatible with both copper and plastic and washers for re-assembly: pipe. Where plastic pipe is used it must be of the oxygen barrier... - Page 14 14. Non-system model – Unscrew compression connection on boiler shell and remove flow pipe from boiler. 15. Unscrew top right compression connection and remove return pipe from boiler. 16. Using a 13mm socket, slacken burner retaining nut (on top of burner). Rotate burner clockwise (towards rear of boiler), pull burner to the right until burner head is clear of mounting flange and remove burner from boiler.
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Page 15: Installing The Boiler
If the distance is to be less than this, Grant UK suggest using the Green system to achieve a termination point of at ! WARNING ! least 2 metres above ground level. -
Page 16: Filling The Heating System
For details of the Sentinel Products visit www.sentinel-solutions. net and for Fernox products visit www.fernox.com. Grant UK strongly recommends that a Grant Mag One in-line magnetic filter/s (or equivalent*) is fitted in the heating system pipework. This should be installed and regularly serviced in Figure 4-7: Re-fitting baffles into boiler shell accordance with the filter manufacturer’s instructions. -
Page 17: 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 back plate at high and low levels to route the pipework back into the property as required. -
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
Care should be taken when siting the trap such that the gulley or soil stack, is not covered by the Grant product overflow outlet is readily visible and that any condensate guarantee. -
Page 20: Condensate Disposal Pipework
CONDENSATE DISPOSAL PIPEWORK INSPECTION AND CLEANING OF TRAP The condense trap outlet is at an angle of 48° below the The trap must be checked at regular intervals (e.g. on every horizontal. This is to automatically gives a 3° fall on any annual service) and cleaned as necessary to ensure that it is clear ‘horizontal’... -
Page 21: Sealed Systems
SEALED SYSTEMS SEALED SYSTEM REQUIREMENTS ! NOTE ! All Grant Vortex Eco Wall Hung models are suitable for use with sealed systems complying with the requirements of BS EN 12828, BS EN 12831 and BS EN 14336. Ensure that the expansion vessel used is of sufficient size The system must be provided with the following items: for the system volume. -
Page 22: Filling The Sealed System
7.1.4 FILLING LOOP Repeat steps 5 to 7 as required until system is full of water at the correct pressure and vented. Provision should be made to replace water lost from the system. This can be done manually (where allowed by the local 10. -
Page 23: System Models
SYSTEM MODELS ! NOTE ! All System models have the following sealed system components factory fitted (refer to Figure 7-3): • A diaphragm expansion vessel complying with BS 4814, pre- The air pressure in the vessel must be checked annually. charged at 1.0 bar. -
Page 24: Electrical
GENERAL panel), slide the panel downwards to disengage the locating Grant Vortex Wall Hung External models require a ~230V 1ph tabs at the top of this panel and remove the panel to gain 50Hz supply. It must be protected by a 5 Amp fuse. -
Page 25: Frost Protection
(timer, room thermostat or ! NOTE ! programmer). For total system protection against freezing, particularly during extended periods without electrical power, Grant recommend the use of a combined heating system antifreeze and corrosion inhibitor, used in accordance with the manufacturer’s instructions. -
Page 26: Control System Wiring Diagrams
CONTROL SYSTEM WIRING DIAGRAMS Grey Blue Blue Motor Motor Orange Zone Valve Zone Valve Orange Green/Yellow 230 V 50 Hz Cylinder Stat Room Stat wiring centre Pump Supply to burner L N E 7 8 9 Boiler Terminal Block Figure 8-1: External wall hung - 2 X 2-port valve control system □... - Page 27 Grey Blue Blue Motor Motor Orange Zone Valve Zone Valve Orange Green/Yellow 230 V 50 Hz Cylinder Stat Room Stat wiring centre Supply to pump Supply to burner Boiler Terminal Block Figure 8-3: External system wall hung - 2 X 2-port valve control system □...
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Page 28: Boiler Control Panel Wiring Diagrams
BOILER CONTROL PANEL WIRING DIAGRAMS Test Switch Mains On/Off Switched live Switch c/w neon Frost Thermostat 4B 5B Permanent live Blue Mains neutral 1A 2A Limit Thermostat Mains earth Yellow link To CH valve if required Yellow Pump live Pump neutral Green/Yellow Pump earth Control Th ermostat... -
Page 29: Flue System And Air Supply
If the draught conditions are satisfactory, the flue should terminate The external vertical flue (Green system) components are with a standard cowl. available from Grant UK and can be found in Figure 9-1 and Table Refer to the locally applicable Building Regulations, BS 5410-1 9-1. - Page 30 Vertical Vertical terminal kit terminal 45° elbow kit 45° elbow High level terminal kit High level Extended wall bracket 90° terminal Wall bracket Locking band Extension Extended wall bracket Extension kits Starter straight Starter straight Figure 9-1: Green system Table 9-1: Green system components - product codes Item Product code 150 mm extension...
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Page 31: Flue Clearances
FLUE CLEARANCES Section 9: Flue System and Air Supply Page 31... - Page 32 2.5 metres from the terminal or patio’s (hard surface area). Further guidance can be obtained from BS 5410-1:2019, 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 32...
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Page 33: 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, remove the front door from the boiler. Turn the knob at the bottom of the front door anticlockwise and pull the door outwards at the bottom. -
Page 34: 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 (1) and remove head (2) from the burner. -
Page 35: 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 36: Running The Boiler
10.5 BALANCING THE SYSTEM Operate the boiler until it reaches normal operating temperature. Check oil supply/return pipe for leaks, rectifying When the boiler has been adjusted and is running where necessary. satisfactorily, balance the central heating system by adjusting Check the operation of the boiler thermostat. Ensure that by the radiator lock shield valves. -
Page 37: Servicing
DISMANTLING PRIOR TO SERVICING To ensure efficient operation of the boiler it is essential that a Grant Vortex Eco Wall Hung boiler is serviced at regular intervals The procedure for dismantling the boiler is as follows: of no longer than 12 months. -
Page 38: Cleaning The Boiler
11.3 CLEANING THE BOILER Clean the turbulators using a stiff brush. Test the heat exchanger condensate drain by pouring water The procedure for cleaning the boiler is as follows: into one of the lower tubes and observe whether the water Remove the nuts and washers securing the front cleaning discharges from the 22mm condensate outlet. -
Page 39: Cleaning The Burner: Other Components
Check/adjust the electrode setting. Refer to Figure 10-4. ! NOTE ! Always check the electrode settings after replacing the nozzle. Re-fit the burner head. Refer to Figure 10-3. It is essential that the final position of the diffuser is checked, using the gauge provided with the boiler, and •... -
Page 40: Burner Components
11.7 BURNER COMPONENTS (ECOFLAM MAX 1 LN) 13 14 Item Description Item Description Oil pump Mounting flange Air damper adjustment screw Air inlet Reset / ”lockout” button Motor Photocell Motor ignition capacitor Control box Fuel suction line Pump pressure adjustment screw Fuel return line Pressure gauge connection point Diffuser adjustment screw... -
Page 41: Fault Finding
12 FAULT FINDING 12.1 BOILER FAULT FINDING Always isolate the electricity supply to the boiler before working on the boiler. Table 12-1: Boiler fault finding Fault Remedies Boiler will not start: Ensure that an adequate supply of fuel is available and that the fuel supply valve is open. -
Page 42: Burner Fault Finding Charts
12.2 BURNER FAULT FINDING CHARTS 12.2.1 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 43 12.2.3 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 44 12.2.5 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 45: Spare Parts
13 SPARE PARTS 13.1 BOILER PARTS LIST Table 13-1: Boiler parts list Description Grant UK product code Cleaning door nut and washer set EFBS14 Double pole switch EFBS19 Baffle set (complete) - all Wall Hung models WBS03 Turbulator baffle - all Wall Hung models... -
Page 46: Ecoflam Max 1 Ln Burner
13.3 ECOFLAM MAX 1 LN BURNER 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 46 Section 13: Spare Parts... - Page 47 Page 47 Section 13: Spare Parts...
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Page 48: Declaration Of Conformity
Model Name/Number: Grant Vortex Eco Wall Hung External 12-16 and 16-21 Grant Vortex Eco Wall Hung External System 12-16 and 16-21 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 49: 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 Known Hazards: Regulations 1988). -
Page 50: 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 51: 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 52: 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 53 • 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.
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Page 54: Wilo Yonos Para Rs Rkc Circulating Pump
Constant Speed Mode (I, II, III) This is the default setting of the pump and as such is recommended by Grant for heating systems. In this mode the pump speed is not automatically regulated (as with the Variable Pressure Mode), but operates constantly at one of the three possible speeds (set using the red selector knob on the pump control panel). - Page 55 A1.2 CIRCULATING PUMP FAULT DIAGNOSIS - WILO YONOS PARA RS RKC The indicator LED, located around the circumference of the red control knob can assist in diagnosing and rectifying a fault with the pump. See the table below: Table A1-2: Pump fault diagnosis LED condition Meaning Diagnostic...
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Page 56: Wilo-Para 25-130/7-50/Sc-6#Gra Circulating Pump
APPENDIX A2 WILO-PARA 25-130/7-50/SC-6#GRA CIRCULATING PUMP A2.1 WILO-PARA 25-130/7-50/SC- A2.1.2 THERMAL PROTECTION FUNCTION 6#GRA CIRCULATING PUMP The pump is equipped with a thermal self-protection mode. A2.1.1 PUMP SPECIFICATION If the fluid temperature exceeds the maximum value at a specific ambient temperature, e.g. 90°C at an ambient of 62°C, the pump Table A2-1: Pump specification will automatically reduce the power consumption, reducing the speed and performance of the pump. - Page 57 This is the default setting of the pump and as such is set: recommended by Grant for heating systems. In this mode the pump speed is not automatically regulated (as Table A2-2: Setting pump control mode...
- Page 58 Lock Operating Button • To activate the key lock function press and hold the green operating button for 8 seconds until the LEDs for the selected pump settings briefly flash, then release. • LEDs flash constantly at 1 second intervals to show that key lock is activated.
- Page 59 NOTES Notes Page 59...
- 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...
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