Grant VortexBlue VTXBF21 Installation And Servicing Instructions
Internal and internal system condensing oil boiler range
Hide thumbs
Also See for VortexBlue VTXBF21:
Related Manuals for Grant VortexBlue VTXBF21
Summary of Contents for Grant VortexBlue VTXBF21
- Page 1 Grant VortexBlue Internal and Internal System Condensing Oil Boiler Range Installation and Servicing Instructions UK | DOC 0129 | Rev 1.0 | June 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- Page 2 This manual is accurate at the date of printing but will be superseded and should be disregarded if specifications and/or appearances are changed in the interests of continued product improve- ment.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.
-
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 150 mm, 250 mm, 450 mm, 950 mm All the models in the current Grant VortexBlue range of boilers are • Adjustable extension 195 to 270 mm 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: Heating Thermostat Z3003602) are available to purchase from Grant UK, for two-pipe oil supply systems. This control allows the temperature of the water leaving the boiler to heat the radiators (and domestic hot water) to be adjusted. -
Page 6: Technical Data
TECHNICAL DATA BOILER TECHNICAL DATA Table 2-1: Boiler technical data Internal and Internal System Units litre Water content Weight (dry) Maximum heat output (Kerosene) Btu/h 71,700 88,700 123,000 Minimum flow rate (∆T=10°C) 1,800 2,200 3,000 Minimum flow rate (∆T=20°C) 1,100 1,500 Condensate connection 22 mm (only connect plastic pipe) -
Page 7: Burner Settings
* Factory settings: 21 - 21kW, 26 - 26kW, 36 - 31.5kW. When setting the 21 to 15kW, the burner air adjuster disc (Grant UK product code: Z20094349) must be fitted and positioned to disc setting B. Refer to Section 10.3. This disc is NOT supplied with the boiler but can be obtained free-of-charge by contacting Grant UK. -
Page 8: Boiler Dimensions
BOILER DIMENSIONS Safety valve PLAN VIEW Cold fill Flow - 22mm push-fit Flue centre line Flue spigot Alternative condensate drain outlets FRONT VIEW RIGHT SIDE VIEW LEFT SIDE VIEW Figure 2-1: VortexBlue Internal and Internal System 21 and 26 dimensions Page 8 Section 2: Technical Data... - Page 9 Safety valve PLAN VIEW Flow - 28mm push-fit Cold fill Flue centre line 170 61 Flue spigot Alternative condensate drain outlets LEFT SIDE VIEW FRONT VIEW RIGHT SIDE VIEW Figure 2-2: VortexBlue Internal and Internal System 36 dimensions Section 2: Technical Data Page 9...
-
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 BS5410-1 Oil pump...
-
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 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 14: Installation
Health and Safety information given in Section 15. Installation of a Grant Vortex boiler must be in accordance with the following recommendations: To achieve the maximum efficiency possible from the Grant Vortex boiler, the heating system should be designed to the following •... -
Page 15: Pipework Materials
Pull the front panel forward at the top to disengage the fixing The Grant Vortex boiler is compatible with both copper and plastic clips then lift it up and off the boiler. Remove the literature pipe. Where plastic pipe is used it must be of the oxygen barrier... -
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 accordance with the filter manufacturer’s instructions. -
Page 17: Pipe Connections
PIPE CONNECTIONS WATER CONNECTIONS WATER CONNECTIONS AND THERMOSTAT PHIAL POSITIONS The Flow and Return pipework can be routed to either side of the boiler, dependant on the type and direction of the flue system Heating flow used. Heating return Air Vent For condensate disposal pipework refer to Section 6. -
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 PIPEWORK guarantee. -
Page 20: External Condensate Trap Fitting
Disconnect condensate discharge hose from heat exchanger and condensate trap and remove it from the boiler. Rear panel Replace with condensate trap hose (Grant product code: VBS107). Pass the straight connector end of the hose through the new hole in the left hand casing panel. Push the straight connector firmly onto the condensate outlet connection of the condensing heat exchanger as far as possible. -
Page 21: Sealed Systems
SEALED SYSTEMS SEALED SYSTEM REQUIREMENTS ! NOTE ! All Grant VortexBlue 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 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 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
5 Amp fuse. Refer to Figures 8-1 and 8-2 for control panel wiring diagrams. There is no facility in the Grant VortexBlue Internal and Internal Refer to Figures 8-3 and 8-4 for typical control system wiring System boilers for the fitting of a plug-in timer or programmer. -
Page 25: Connecting An External Frost Thermostat
For total system protection against freezing, particularly burner will fire and continue to do so until the flow thermistor during extended periods without electrical power, Grant detects a temperature of 30°C when the burner will stop. recommend the use of a combined heating system... -
Page 26: Boiler Control Panel Wiring Diagrams
BOILER CONTROL PANEL WIRING DIAGRAMS Link Page 26 Section 8: Electrical... - Page 27 Link Section 8: Electrical Page 27...
-
Page 28: Control System Wiring Diagrams
CONTROL SYSTEM WIRING DIAGRAMS Page 28 Section 8: Electrical... - Page 29 Section 8: Electrical Page 29...
-
Page 30: Flue System And Air Supply
Figure 9-1: Air supply for room sealed balanced flue boilers boilers. The top and bottom of the annular space must be sealed. Grant recommends the use of the Grant ‘Orange’ flue system, specifically designed for the Vortex range of condensing boilers. - Page 31 If a rigid flue is used externally, it must be of the twin-wall type, 100mm Flue Lining components are suitable for use on all Grant to reduce the possibility of the condensate freezing in the flue, VortexBlue Internal models.
- Page 32 Boiler flue connector (from CFA 15/70 kit) Boiler Boiler Figure 9-4: Hybrid flue system using Grant Orange and Green Figure 9-3: Grant Orange flue system in a typical brick chimney systems components Page 32 Section 9: Flue System and Air Supply...
-
Page 33: Connecting A Conventional Flue
CONNECTING A CONVENTIONAL FLUE LOW LEVEL HORIZONTAL BALANCED FLUE (YELLOW SYSTEM) If the Grant ‘Orange’ flue system is being used – follow the instructions supplied with the flue kit. Available in Short (for single thickness brick walls) and Standard kits. - Page 34 The maximum flue length for this system - from the top of the together, i.e. any joint that does not slide. boiler flue outlet to the terminal - is 12 metres for all Grant Vortex • Type 2. A white painted band - to cover the sliding joint on boilers.
- Page 35 Support clamp Terminal upstand The Grant Red system flexible stainless steel liner is directional. Top plate The arrows marked on the inner 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 36 Vertical terminal kit GTV90 (21 - 26 kW) GTV200 (36 kW) 45 elbow kit GE45/90 (21 - 26 kW) GE45/200 (36 kW) High level terminal kit GTH90 (21 - 26 kW) GTH200 (36 kW) Typical Extended wall bracket ue system Wall bracket Locking band Extension kits...
-
Page 37: Prepare The Wall
PREPARE THE WALL PREPARE THE WALL 9.5.2 9.5.2 HIGH LEVEL AND VERTICAL BALANCED HIGH LEVEL AND VERTICAL BALANCED FLUE FLUE 9.5.1 9.5.1 LOW LEVEL BALANCED FLUE 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 the high level balanced flue (White If the boiler is to be used with a low level balanced flue (Yellow If the boiler is to be used with a low level balanced flue (Yellow... -
Page 38: Flue Clearances
FLUE CLEARANCES Page 38 Section 9: Flue System and Air Supply... - Page 39 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 40: Commissioning
10 COMMISSIONING To ensure safe and efficient operation, it is essential that a Grant 10. Check that the sealed system has been vented and VortexBlue boiler is commissioned as detailed in the following pressurised and there are no leaks. procedure. -
Page 41: Burner Settings
10.2 BURNER SETTINGS: Check/adjust electrode setting. Refer to Figure 10-4. RDB2.2 BG BLU BURNERS Reconnect the ignition leads to the electrodes, as follows. Refer to Figure 10-3. FOR ALL MODELS • First, ensure the insulative sleeve (3) is slid down the With the burner removed from the boiler: ignition lead and is not covering the metal connector. -
Page 42: Air Adjuster Disc: 21 Model Only
If the VoretexBlue 21 model is to be downrated to its automatically. minimum output of 15kW, an air adjuster disc (Grant UK Note that the neon lights when the boiler is switched on, but product code Z20094349) must be fitted as described does not necessarily indicate the burner is firing. -
Page 43: Balancing The System
10.8 INFORMATION FOR THE USER Adjust the burner air damper, using the hexagonal key supplied, to achieve the required %CO . Refer to Figure A1-1 The User must be advised (and demonstrated if necessary) of the in Appendix A1 towards the back of this manual. following important points:- To increase the %CO •... -
Page 44: Servicing
11 SERVICING To ensure safe and efficient operation it is essential that a Grant Unscrew and remove the two fixing screws and remove the VortexBlue boiler is serviced at regular intervals of no longer than red cover from the burner. -
Page 45: Cleaning The Burner
11.4 CLEANING THE BURNER: RDB2.2 BG BLU BURNERS FOR ALL MODELS With the burner removed from the boiler: Burner head, nozzle and electrodes: Refer to Figure 10-3. Remove the burner head. Loosen the two fixing screws (1) and carefully separate the head (2) from the burner. -
Page 46: Cleaning The Burner: Other Components
11. Re-fit the burner head. Refer to Figure 10-3. Burner fan housing This is located over the fan impeller. Refer to Figure A1-1 in • Check that the electrodes are at the top of the head. Appendix A1 towards the back of this manual. •... -
Page 47: 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 indication Fault Remedies Boiler will not start: Ensure that an adequate supply of fuel is available and that the fuel supply valve is open. -
Page 48: Burner Fault Indication
12.2 BURNER FAULT INDICATION Whenever a burner lockout occurs the cause is displayed via the reset push button indicator LED on the control box. The colour, se- quence and speed of the indicator LED flashes identify the specific lockout type and the possible causes are listed in Table 12-2. Table 12-2: Burner fault indication Lockout description Lockout time... -
Page 49: Riello Rdb Blu Fault Finding Chart
12.4 RIELLO RDB BLU FAULT FINDING CHART Section 12: Fault Finding Page 49... -
Page 50: 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) - 21 & 26 VBS01 Baffle set (complete) - 36... -
Page 51: Riello Rdb Blu Burners
13.3 RIELLO RDB BLU BURNERS This section gives an exploded view of the Riello burners in the Grant VortexBlue boilers, and a parts list associated with them. Section 13: Spare Parts Page 51... - Page 52 Table 13-3: Riello RDB BLU Burner Parts List VortexBlue VortexBlue VortexBlue Internal and Internal and Internal and Riello product Grant UK product Description Internal System Internal System Internal System code code Gasket - refer to item 34 ü ü ü...
-
Page 53: Declaration Of Conformity
Model Name/Number: Grant VortexBlue Internal 21, 26 and 36 Grant VortexBlue Internal System 21, 26 and 36 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 54: 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 55: 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 56: 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 VortexBlue Internal 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 57: 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 58 • 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 59: Rdb Blu Burner Information
MUST be fitted. Refer to Section 13 (Spare Parts). All Grant VortexBlue boilers are fitted with a Riello RDB BLU blue flame burner. This has been designed to operate with reduced NOx emissions that meet the European Ecodesign emissions regulations. - Page 60 A1.3 DIGITAL CONTROL BOX A1.3.2 Operating Status Indication From start up the operating status of the burner is displayed via The digital control box fitted to this burner has several different the reset push-button indicator LED on the control box. Refer to features compared to the more commonly used 'analogue' control Table A1-2.
- Page 61 A1.4 BURNER OPERATION A1.3.5 Removal of Control Box A1.4.1 Burner Operating Times ! WARNING ! Table A1-4: Burner operating times Before removing the control box from the burner, or Value Symbol Description (seconds) opening the control box cover, isolate the electrical supply to the boiler.
- Page 62 A1.4.3 Spark Ignition Duration A1.4.6 Post Purge Function The 'pre-ignition' spark time starts 2 seconds before the oil valve This function allows air flow through the burner for a pre-set time opens (the start of the 5 second 'safety time' period). after the burner flame is switched off (on the loss of demand for the burner to fire).
-
Page 63: 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 64 A2.2 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 A2-2: Pump fault diagnosis LED condition Meaning Diagnostic...
-
Page 65: Wilo-Para 25-130/7-50/Sc-6#Gra Circulating Pump
APPENDIX A3 WILO-PARA 25-130/7-50/SC-6#GRA CIRCULATING PUMP A3.1 WILO-PARA 25-130/7-50/SC- A3.1.2 THERMAL PROTECTION FUNCTION 6#GRA CIRCULATING PUMP The pump is equipped with a thermal self-protection mode. A3.1.1 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 A3-1: Pump specification will automatically reduce the power consumption, reducing the speed and performance of the pump. - Page 66 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 A3-2: Setting pump control mode...
- Page 67 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 68 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...
Need help?
Do you have a question about the VortexBlue VTXBF21 and is the answer not in the manual?
Questions and answers