Related Manuals for Grant VORTEX Pro Combi Series
Summary of Contents for Grant VORTEX Pro Combi Series
- Page 1 Grant VORTEX Pro Internal Combi Combi 21e, Combi 26e and Combi 36e Condensing Oil Boiler Range Installation & Servicing Instructions Part No. DOC 88. Rev 00. May 2012...
- Page 2 All good sold are subject to our official Conditions of Sale, a copy of which may be obtained on application. © Grant Engineering (UK) Limited 2012. No part of this manual may be reproduced by any means without prior written consent.
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Page 3: Table Of Contents
Contents Introduction Electrical How a Condensing Boiler Works Connecting the Power Supply Boiler Description Connecting the Controls - Heating Only Boiler Components Connecting the Controls - Heating and Hot Water Technical Data Connecting an External Frost Thermostat Boiler Technical Data Flue System &... -
Page 4: Introduction
For Conventional Flue Applications Standard external high level/vertical flue and latent heat (heat locked up in the Where a chimney is to be lined - Grant starter kit (room sealed) - components flue gas). A conventional boiler cannot recommends the use of the Grant... -
Page 5: Boiler Components
(900mm) and " to " BSP male adaptor are available to purchase from Grant Engineering (UK) Limited, for two-pipe oil supply system, Part No. RBS36. The temperature of the water leaving the boiler to heat the radiators is User adjustable. -
Page 6: Technical Data
2 Technical Data 2.1 Boiler Technical Data Vortex Pro Combi Vortex Pro Combi Vortex Pro Combi Model Boiler water content Litres 48.0 48.5 53.5 (including 32 litre primary store) 10.6 10.7 11.8 Weight (dry)* Connections: Heating flow and return Cold water mains inlet Domestic hot water outlet Pressure relief valve discharge Condensate connection... -
Page 7: Burner Settings
The test point is for CO and smoke Gas Oil is not suitable for use with a readings only. Grant Vortex Pro Combi e boiler. When commissioning, the air damper must be adjusted to obtain the • The boiler efficiency and... -
Page 8: Boiler Dimensions
2 Technical Data 2.5 Boiler Dimensions Figure 2-1: Vortex Pro Combi Internal 21e and 26e dimensions All dimensions in the diagram above are in millimetres. - Page 9 Figure 2-2: Vortex Pro Combi 36e dimensions All dimensions in the diagram above are in millimetres.
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Page 10: Oil Storage & Supply System
NOTE with an external diameter of at least 10 mm. A galvanised tank must NOT be used. Grant UK recommend that a fire valve CAUTION with a temperature rating of 95°C be A plastic tank may be used and must installed on any Grant Vortex Pro comply with OFS T100. - Page 11 Single Pipe System Vent pipe Fill pipe Where the storage tank outlet is above Level gauge the burner the single pipe system should be used. The height of the tank above the burner limits the length of Fuel Fire valve sensor pipe run from the tank to the burner.
- Page 12 Tiger Loop System - (See Figures 3-3 and 3-4) Fire valve sensor De-aeration device e.g When The storage tank is below the Tiger Loop see Figure 3-4 burner, an alternative to a two pipe system can be achieved using a 'Tiger Vent pipe Loop' type oil de-aerator.
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Page 13: Burner Oil Connection
Oil inlet Return connection connection Flexible fuel lines and adaptors are available to purchase from Grant Engineering (UK) Ltd. Figure 3-5: Burner pump connections The burner cover may be left off until the boiler is commissioned. -
Page 14: Boiler Installation Information
4 Boiler Installation Information 4.1 Introduction 4.5 Expansion Vessel A single manual air vent is also fitted at the top of the boiler - on the return pipe. The boiler is supplied already fully The expansion vessel fitted is supplied Unscrew the cap one turn vent air from assembled in a carton which is carefully with a charge pressure of 1.0 bar... -
Page 15: Regulations Compliance Requirements
In underfloor systems it is essential that Requirements the return temperature must be maintained Installation of a Grant VORTEX Pro above 40°C to prevent internal Combi e boiler must be in accordance WARNING corrosion of the boiler water jacket. -
Page 16: Pipe Connections
5 Pipe Connections 5.1 Water Connections 5.2 Making the Water remove the back panel from the boiler Connections casing to fit this pipework, and to refit Water connections may be from the the panel before placing the boiler in its rear, left or right hand side. -
Page 17: Domestic Hot Water System
A water hardness test kit is supplied should be between 1 and 8 bar to Grant Engineering (UK) Ltd. cannot be with the boiler. Should the total ensure efficient operation. held responsible for any damage or... -
Page 18: Condensate Disposal
6 Condensate Disposal 6.1 General Requirements Condensate disposal pipes should NOTE have a minimum ‘nominal’ diameter of When in condensing mode the Grant 22mm ( ”) - e.g. use 21.5mm OD Vortex PRO Combi e boilers produce polypropylene overflow pipe. -
Page 19: Condensate Trap
With the trap fitted inside the boiler 6.8 Inspection and Cleaning of casing, the sealing cap must be Trap Grant Vortex PRO boilers are supplied fitted. If the trap is re-located outside with a factory-fitted condensate trap to The trap must be checked at regular... - Page 20 6 Condensate Disposal 12. Re-fit the trap to the mounting NOTE bracket. The mounting bracket supplied with the trap must be used - the trap should not be supported This procedure must be carried out by the condensate pipework only. before the boiler is installed.
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Page 21: Sealed Systems
The system fill pressure (cold) should be complying with BS 6759 and set to 0.2-0.3 bar greater than the vessel All Grant Vortex Pro Combi e boilers are operate at 2.5 bar. The discharge charge pressure - giving typical system... -
Page 22: 8 Electrical
8 Electrical WARNING WARNING Ensure that the electrical supply has After completing electrical been isolated before making any connections and before reconnecting connections to the boiler. the electrical supply to the boiler, replace the terminal block cover and 8.1 Connecting the Power secure it using the screws provided. - Page 23 8 Electrical 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...
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Page 24: 8.2 Connecting The Controls - Heating Only
Refer to Figure 8-3 for further room thermostat. output contacts. details. • A ‘plug-in’ Grant Mechanical 24- Pass a 3-core cable (or 3-core and Re-fit terminal block cover on control hour timer (Ref. MTKIT) and room earth if the room thermostat to be used box and fasten with the two screws thermostat. - Page 25 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 RET230F Figure 8-4: Connections for Grant 24-hour mechanical timer (MTKIT) and room thermostat...
- Page 26 25 26 230V 5A Fused Supply Grant Plug-in (panel mounted) Room Thermostat Frost Thermostat Electronic Timer e.g. Danfoss Randall (if required) Grant Ref. ETKIT RMT230 e.g. Danfoss Randall RET230F Figure 8-5: Connections for Grant 7-day electronic timer (ETKIT) and room thermostat...
- Page 27 13 14 15 16 17 18 19 20 21 22 23 24 25 26 230V 5A Fused Supply Grant Programmable Frost Thermostat Room Thermostat (if required) Ref. RSKIT e.g. Danfoss Randall RET230F Figure 8-6: Connections for the Grant Programmable Room Thermostat (RSKIT)
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Page 28: 8.3 Connecting The Controls - Heating And Hot Water
25 26 230V 5A Fused Supply Grant Plug-in (panel mounted) Room Thermostat Frost Thermostat Programmer e.g. Danfoss Randall (if required) Grant Ref. EPKIT RMT230 e.g. Danfoss Randall RET230F Figure 8-7: Connections for the Grant Plug-In 2-channel Programmer (EPKIT) and room thermostat... - Page 29 19 20 21 22 23 24 25 26 230V 5A Fused Supply Grant Plug-in (panel mounted) Frost Thermostat RF Receiver (if required) Grant Ref. EPKIT e.g. Danfoss Randall RET230F Figure 8-8: Connections for the Grant wireless 2-channel Programmable room thermostat (RFTKIT)
- Page 30 25 26 230V 5A Fused Supply Remote mounted Programmer Room Thermostat Frost Thermostat eg Grant Programmer Ref. ESKIT e.g. Danfoss Randall (if required) RMT230 e.g. Danfoss Randall RET230F Figure 8-9: Connections for the remote Grant 2-channel Programmer (ESKIT) and room thermostat...
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Page 31: 8.4 Connecting An External Frost Thermostat
8.4 Connecting an External Frost Thermostat The boiler is fitted with a pre-set internal frost protection thermostat. Should either the air temperature around the boiler, or the water temperature within the boiler, fall to below 5°C then this thermostat will be activated to protect the boiler from freezing. -
Page 32: Air Supply
9 Flue System and Air Supply 9.1 Air Supply A sufficient permanent air supply to the Boiler in boiler should be provided for the Room following reasons: • For proper combustion of fuel and effective discharge of combustion products to the open air. •... -
Page 33: 9.2 Conventional Flue Systems
100mm (4 inches). with a standard cowl. draught free area, i.e. at least 600mm Grant recommends the use of a hybrid above the point of exit through the roof Refer to the locally applicable Building system using Grant 'Green' and or preferably above the ridge level. - Page 34 (Orange System) wall extensions are available to connect A range of Flexi pack conventional flue the boiler to the flexible liner. lining kits are available from Grant UK. The external diameter of the extensions The packs have been specifically is 100mm.
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Page 35: 9.3 Connecting A Conventional Flue
Grant Vortex Pro Combi e wing nut - as shown in Figure 9-5. boilers. All are suitable for use with 2. Push out the pre-cut blanking panel. - Page 36 (White system) Allows the flue to rise vertically from the boiler to exit through the roof. The Grant “Red” system flexible The maximum flue length - from the top stainless steel flue liner is directional. of the boiler flue outlet to the terminal - The arrows indicated on the liner is 12 metres for all Vortex boilers.
- Page 37 Extended wall bracket Figure 9-10 shows the external flue Wall bracket (Green system) components that are Locking band available from Grant UK. Green System Components Item - for models up Part No. Combi Part No. Combi Extension kits...
- Page 38 The minimum distances as shown in Figure 9-11 are given in the table below: Distances measured to rim of terminal. Terminal position Min. distance (mm) Clearances recommended by Grant A Below a gutter or sanitary pipework 600* Engineering (UK) Limited in accordance...
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Page 39: 9.4 Balanced Flue Systems
9.5 Prepare the Wall If the boiler is to be used with a low level Hole to be Boiler centre line drilled in wall balanced flue (Yellow system) make the hole in the wall for the flue as shown in Figure 9-12. -
Page 40: Commissioning
10 Commissioning It is important that the following Plug-in programme Boiler commissioning procedure is carried out r position On / Off Indicator Pressure to ensure safe and efficient operation of (if fitted) switch lights gauge the boiler. To access the controls, remove the front panel (pull forward at the top and then lift off). - Page 41 C (Vortex Combi 21e NOTE only). Refer to Figure 10-4. 8. Check that the sealed system has Grant Vortex e Combi boilers been vented and pressurised and incorporate a “pump overrun” It is important that the oil pressure is there are no leaks.
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Page 42: 10.4 Balancing The System
10 Commissioning 1. Pump 2. Control box 3. Reset button with lockout lamp 4. Flange with gasket 5. Air damper adjustment screw 6. Air supply tube connection (balanced flue) 7. Pump pressure adjustment screw 8. Pressure gauge connection Figure 10-3: RDB burner components 10.3 Running the Boiler 10.5 Completion CAUTION... -
Page 43: 10.6 Air Adjuster Disc - Combi 21 Only
10.6 Air Adjuster Disc – Combi 10.7 Information for the User NOTE 21 only The User must be advised (and The Riello RDB 2.2 burner fitted to this demonstrated if necessary) of the boiler incorporates a secondary air following important points:- Leave this Instruction manual with adjustment shutter located within the air •... -
Page 44: Boiler Servicing
This information may be required to supply valve. 5. Check the condition of the front validate the Grant extended warranty. cleaning door seal and replace if Allow the boiler to cool. necessary. The data label on the inside of the case 6. - Page 45 Right baffles Figure 11-1: Baffles in Vortex Pro Combi 21e Left baffles Figure 11-2: Baffles in Vortex Pro Combi 26e IMPORTANT The ends of the turbulators must be vertical Top set Turbulators Position in vertical plane Figure 11-4: Turbulators in Vortex Pro Combi e boilers Bottom set Figure 11-3: Baffles in Vortex Pro Combi 36e...
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Page 46: Cleaning The Burner
11 Boiler Servicing 11.4 Cleaning the Burner CAUTION CAUTION WARNING The procedure is: 1. Combustion head - Loosen the two The use of an ill-fitting spanner will To ensure safe and efficient operation screws securing the combustion damage the nozzle and could lead to of the boiler it is important that head and withdraw the head. -
Page 47: Fault Finding
12 Fault Finding 12.1 Initial Checklist - for Installer or Service Engineers If the Boiler Fails to Light First follow the procedure below Power Supply Check that fused spur for heating system and boiler is switched on. Check that fuse has not blown. Check that electricity supply has not failed: check circuit breaker in consumer unit. -
Page 48: Main Fault Finding Procedures
12 Fault Finding For Night Time Hot Water Function – ALL the following indicator lights MUST be lit POWER If NOT lit this indicates a problem with power supply to the boiler - switched off or possibly a blown fuse. DHW PUMP If FLASHING this indicates either a store thermistor or PCB fault. - Page 49 B. No Hot Water - but Central Heating OK First - Set Heating switch to OFF Is the “DEMAND” Check programmer is calling for hot water. indicator lit? If no programmer is fitted: Check ‘Hot Water’ switch is set to ‘CONSTANT’.
- Page 50 12 Fault Finding B. No Hot Water - but Central Heating OK continued Is the “DHW PUMP” Check electrical connections at the pump. indicator lit? PCB is supplying voltage to Check for 230V at the pump terminals. the DHW pump – but pump Check if CH pump is stuck: is not working.
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Page 51: Poor Hot Water Checklist
In hard water areas some form of anti-scale device or water softener MUST BE FITTED. NOTE: Faults due to hard water scaling are not covered by the Grant Product warranty. Thermostatic Must be correctly set to provide Check if blending valve is scaled up (see ‘Water Blending Valve Optimum hot water. -
Page 52: Riello Rdb Burner Fault Finding
12 Fault Finding 12.4 Riello RDB Burner Fault Finding... -
Page 53: Spare Parts
13 Spare Parts Figure 13-1 is an exploded view of the Riello RDB burner as used in the Grant VORTEX Pro Combi 21e, 26e and 36e boilers, and the associated parts list follows the figure. Figure 13-1: Riello RDB burner exploded view... - Page 54 13 Spare Parts Description Riello Grant Description Riello Grant Part No. Part No. Part No. Part No. Not applicable Regulator 3008651 RBS120 Flange 3005786 RBS28 Pump seal 3000439 RBS14 Combustion head T1 Pump 3008654 RBS101 (Combi 21e) 3002507 RBS146 Combustion head T2 18 ‘...
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Page 55: 14 Health & Safety Information
14 Health and Safety Information Under the Consumer Protection Act 14.2 Insulation Materials 14.3 Kerosene and Gas Oil 1987 and Section 6 of the Health & Fuels (mineral oils) Material Types: Silicone elastomer. Safety at Work Act 1974, we are Known Hazards: The effect of mineral Description: Sealant and adhesive. -
Page 56: Ec Declaration Of Conformity
Dear Customer days of installation. To do so visit valve, etc.). This extended two year You are now the proud owner of a Grant www.grantuk.com and follow the links warranty only applies if the boiler is Vortex Pro condensing Combi Boiler to the ‘Householder Zone’, where you... -
Page 57: Extended Warranty
2. The boiler is guaranteed for two A charge may be made (if necessary years from the date of purchase following testing of parts at Grant UK) if Hard Water Advice providing that after twelve months the cause of the breakdown is due to... - Page 58 Notes...