Grant Vortex Eco Series Installation And Servicing Instructions

Grant Vortex Eco Series Installation And Servicing Instructions

External and external system condensing oil boiler range
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Grant Vortex Eco
External and External System
Condensing Oil Boiler Range
Installation and Servicing Instructions
UK | DOC 0125 | Rev 1.0 | December 2019

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Summary of Contents for Grant Vortex Eco Series

  • Page 1 Grant Vortex Eco External and External System Condensing Oil Boiler Range Installation and Servicing Instructions UK | DOC 0125 | Rev 1.0 | December 2019...
  • Page 2 This manual is accurate at the date of printing but will be superseded and should be disregarded if specifications and/or appearances are changed in the interests of continued product improve- ment.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.
  • Page 3: Table Of Contents

    CONTENTS INTRODUCTION FLUE SYSTEM AND AIR SUPPLY How a condensing boiler operates Air supply Boiler description Plume diverter kit Flue options Conventional flue systems Boiler components External vertical conventional flue (Green System) TECHNICAL DATA External horizontal conventional Boiler technical data flue (Green System) Sealed system data Flue clearances...
  • Page 4: Introduction

    Refer to Section 7. All boilers are supplied with the control panel and burner factory fitted. 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

    RBS36XS) and 3/8” to 1/4” BSP male adaptor (product code: Service/Test Switch (External Modules only) Z3003602) are available to purchase from Grant UK, for two-pipe oil supply systems. A Service switch is fitted to the control panel to allow the Service Engineer to test-fire the boiler.
  • Page 6: Technical Data

    TECHNICAL DATA BOILER TECHNICAL DATA Table 2-1: Boiler technical data Eco External Units 15/21 21/26 26/35 litre Water content 113 (external module) 113 (external module) 142 (external module) 136 (external system) 136 (external system) 152 (external system) Weight (dry) 249 (external module) 249 (external module) 313 (external module) 300 (external system)
  • 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 Page 8 Section 2: Technical Data...
  • Page 9: Oil Storage And Supply System

    Oil storage tanks should comply with the following standards: • ¼ʺ isolating valve (product code: ISOLATION1/4) • Plastic tanks OFT T100 These are available to purchase from Grant UK. • Steel tanks OFT T200 Metal braided flexible fuel hoses should be replaced ANNUALLY when the boiler is serviced.
  • Page 10 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 Oil filter (15μm max. filtration size) Non-return valve Isolating valve Fire valve sensor De-aerator* Oil strainer Oil pump Appliance isolation valves Fire valve to BS5410-1 Burner...
  • Page 11: 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 3.1.5 SINGLE PIPE (SUCTION) SYSTEM WITH pipe (gravity) oil supply system.
  • Page 12 ¼ʺ isolating valve (product code: ISOLATION1/4) Fit the ¼ʺ isolating valve (supplied with the boiler) to the end These are available to purchase from Grant UK. of the rigid oil supply pipe using a fitting to suit the pipe size and type (not supplied).
  • Page 13: Installation

    Failure to install and commission appliances correctly may ! WARNING ! invalidate the boiler guarantee. Installation of a Grant Vortex boiler must be in accordance with Before starting any work on the boiler or fuel supply, the following recommendations: please read the Health and Safety information given in •...
  • Page 14: Pipework Materials

    The Grant Vortex boiler is compatible with both copper and plastic Push the end of the flue terminal section or flue extension pipe. Where plastic pipe is used it must be of the oxygen barrier...
  • Page 15: Installing The Boiler

    ! NOTE ! 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 and cables can be routed into the enclosure via pipework.
  • Page 16: Pipe Connections

    PIPE CONNECTIONS WATER CONNECTIONS WATER CONNECTIONS - SEALED SYSTEM MODELS The flow and return pipework can exit the boiler enclosure either through the pre-cut openings provided in both sides (under the A 15 mm discharge pipe must be connected to the safety valve movable cover plates) and through the wall when installed against the building, down and through the pre-cut openings provided outlet connection.
  • Page 17: Water Connections And Thermostat Phial Positions

    WATER CONNECTIONS AND THERMOSTAT PHIAL POSITIONS Thermostat Heating Flow Heating Return Phials Thermostat Phials Heating Flow Heating Return Air Vents Air Vent Figure 5-3: Vortex Eco External System 15/21 and 21/26 water Figure 5-1: Vortex Eco External 15/21 and 21/26 water connections and thermostat phial positions connections and thermostat phial positions Heating Flow...
  • Page 18 Page intentionally left blank. Page 18 Section 5: Pipe Connections...
  • 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

    • If there is any discharge of condensate from the overflow gulley or soil stack, is not covered by the Grant product outlet, this could indicate a blockage (possibly due to guarantee.
  • Page 21: Condensate Disposal Pipework

    CONDENSATE DISPOSAL INSPECTION AND CLEANING PIPEWORK 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 22: Sealed Systems

    SEALED SYSTEM ! NOTE ! REQUIREMENTS All Grant Vortex Eco models are suitable for use with sealed Ensure that the expansion vessel used is of sufficient size systems complying with the requirements of BS EN 12828, BS EN for the system volume.
  • Page 23: Filling The Sealed System

    7.1.4 FILLING LOOP Ensure that the flexible filling loop is connected and that the double check shut off valve connecting it to the water supply Provision should be made to replace water lost from the is closed. A valve is open when the operating lever is in line system.
  • Page 24: 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 25: Electrical

    GENERAL grommet in the back of the control panel, through the cable Grant Vortex Eco External models require a ~230V 1ph 50Hz clamp and connect to the boiler control panel terminals as supply. It must be protected by a 5 Amp fuse.
  • Page 26: 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 27: Control System Wiring Diagrams

    CONTROL SYSTEM WIRING DIAGRAMS Section 8: Electrical Page 27...
  • Page 28 Page 28 Section 8: Electrical...
  • Page 29: Boiler Control Panel Wiring Diagrams

    BOILER CONTROL PANEL WIRING DIAGRAMS Section 8: Electrical Page 29...
  • Page 30: Flue System And Air Supply

    Grant UK for the purpose of HORIZONTAL: re-directing the flue gases to a higher level (according to the This option allows the extension of the flue system in the minimum clearances shown in Figure 9-5).
  • Page 31: Conventional Flue Systems

    The external vertical flue (Green system) components available from Grant UK can be found in Figure 9-3 and Table 9-1. It is important to ensure that the flue system is sealed and that condensate cannot escape.
  • Page 32 Vertical Vertical terminal terminal 45 elbow High level 90° terminal Extended wall bracket Maximum vertical Wall bracket 45° elbows length 19 metres Locking band 950 mm High level Extensions 90° terminal 450 mm 195 to 270 mm Extensions 250 mm 150 mm 45°...
  • Page 33: External Horizontal Conventional Flue (Green System)

    Grant Green system. See Figure 9-4. It is possible to extend the flue horizontally by a maximum of 3 A complete list of Grant Green system flue components can be metres in total flue length by using the green system. A maximum found in Figure 9-3 and Table 9-1.
  • Page 34: Flue Clearances

    FLUE CLEARANCES Page 34 Section 9: Flue System and Air Supply...
  • Page 35 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. Section 9: Flue System and Air Supply...
  • Page 36: Commissioning

    10 COMMISSIONING To ensure safe and efficient operation, it is essential that a Grant Vortex Eco boiler is commissioned as detailed in the following procedure. To access the controls, remove the front door from the boiler casing (pull forward at the bottom and then lift off).
  • Page 37: Before Switching On

    10.1 BEFORE SWITCHING ON Ensure the boiler is isolated from the electrical supply and the boiler On/Off switch is set to OFF. Remove the front casing door. Remove the four screws retaining the top casing panel and remove the top casing panel, then check that the high limit thermostat bulb and boiler thermostat bulb are correctly located in their respective pockets.
  • 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.
  • Page 39: Air Adjuster Disc: 15/21 And 21/26 Models Only

    10.3 AIR ADJUSTER DISC: 10.4 SWITCHING ON 15/21 AND 21/26 MODELS ONLY Check that all system controls are calling for heat and turn the boiler thermostat to maximum. ! NOTE ! Switch on the electricity supply to the boiler. Set the boiler On/Off switch to ON. A neon on the switch lights when it is in the ON position.
  • Page 40: Running The Boiler

    10.5 RUNNING THE BOILER 10.7 COMPLETION Relight the boiler and allow it to run for at least 20 minutes. With the system hot, check again for leaks, rectifying where necessary. Drain the system while it is hot to complete the Check the smoke number, if it is 0-1 then it is satisfactory.
  • Page 41: Servicing

    11 SERVICING To ensure safe and efficient operation it is essential that a Grant ! NOTE ! Vortex Eco boiler is serviced at regular intervals of no longer than 12 months. Servicing and replacement of parts must only be carried out by a The top panel has been designed to provide a slight fall suitably qualified engineer.
  • Page 42 Figure 11-1: Baffles (15/21 & 21/26 models) Figure 11-2: Baffles (26/35 models) Position in vertical plane IMPORTANT: The ends of the turbulators must be vertical Figure 11-3: Turbulators Page 42 Section 11: Servicing...
  • Page 43: Cleaning The Burner

    11.4 CLEANING THE BURNER: Photocell The photocell is a push-fit in the front of burner body. Refer to RDB2.2 BX BURNERS Sections 11.8. With the burner removed from the boiler: Holding the body of the photocell and NOT the cable, carefully pull the photocell out of the burner.
  • Page 44: Adjusting The Diffuser

    11.5 ADJUSTING THE DIFFUSER 11.6 AIR ADJUSTER DISC: 15/21 AND 21/26 MODELS ONLY Adjust the diffuser position. Refer to Figure 10-5. Refer to Section 10.3. ! NOTE ! 11.7 RECOMMISSIONING The distance between the end of the burner head and the front face of the diffuser (D) MUST be correctly set for the ! WARNING ! burner to operate correctly.
  • Page 45: Burner Components

    11.8 BURNER COMPONENTS RDB2.2 BX BURNERS 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 Pump pressure adjustment screw Combustion head adjustment handle Extension for gauge connection Coil Combustion head...
  • Page 46: 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 47: Burner Fault Finding - Riello Burners

    12.2 BURNER FAULT FINDING - RIELLO BURNERS Section 12: Fault Finding Page 47...
  • Page 48: 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) - 15/21 & 21/26 VBS96 Baffle set (complete) - 26/35...
  • Page 49: Riello Rdb 2.2 Bx Burners

    13.3 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 49...
  • Page 50 Page 50 Section 13: Spare Parts...
  • Page 51 Section 13: Spare Parts Page 51...
  • Page 52: Declaration Of Conformity

    Model Name/Number: Grant Vortex Eco External 15-21, 21-26 and 26-35 Grant Vortex Eco External System 15-21, 21-26 and 26-35 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 53: Health And Safety Information

    15 HEALTH AND SAFETY INFORMATION 15.3 KEROSENE AND GAS OIL Under the Consumer Protection Act 1987 and Section 6 of the Health & Safety at Work Act 1974, we are required to provide FUELS (MINERAL OILS) information on substances hazardous to health (COSHH Regulations 1988).
  • Page 54: 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 55: 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 Eco External 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 56: 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 57 • 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 58: 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 59 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...
  • Page 60: 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. If the fluid temperature exceeds the maximum value at a specific A2.1.1 PUMP SPECIFICATION ambient temperature, e.g. 90°C at an ambient of 62°C, the pump will automatically reduce the power consumption, reducing the Table A2-1: Pump specification speed and performance of the pump.
  • Page 61 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 62 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 63 NOTES Notes Page 63...
  • Page 64 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...

This manual is also suitable for:

Vortex eco external 15/21Vortex eco external system 15/21Vortex eco external system 21/26Vortex eco external system 26/35

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