Related Manuals for Grant Spira Series
Summary of Contents for Grant Spira Series
- Page 1 Grant Spira 6-26 kW and 9-36 kW Condensing Wood Pellet Boiler Installation & Servicing Instructions Part No. DOC 42 Rev 01. May 2013...
- 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 2013. 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 1 Introduction 7 Flue System and 11 Boiler Servicing Air Supply How the Condensing 11.1 General Wood Pellet Boiler Operates 5 Air Supply 11.2 Checks Before Servicing Boiler Description Flue Position and 11.3 Heating System Clearances Boiler Models 11.4 Flue System Flue System Assembly Boiler Components 11.5 Combustion Ventilation... -
Page 4: Introduction
Pellet Feed Auger Pellet Delivery Hose Pellet Delivery Tube Burner Controls Wood Pellet Burner Grant SPIRA Condensing Wood Pellet Boiler & Intermediate Hopper This manual is intended to guide WARNING NOTE Installers who have completed the Grant Wood Pellet Boiler Installer... -
Page 5: How The Condensing
(available heat) used on such a system there is no The Grant SPIRA boiler uses a drop and latent (heat locked up in the flue effect on the boiler performance. feed type burner with modulated heat gas). -
Page 6: Boiler Components
Figure 1-1: Boiler control panel if necessary as the flue length can have a significant effect on the boiler performance. Refer to commissioning in ALL the Grant pellet hoppers are for Section 9. WARNING indoor use only and must be positioned in a dry environment. -
Page 7: Boiler Cleaning And Servicing
Servicing top rear panel. This can be removed, as Grant SPIRA condensing wood pellet required, to allow the fitting of the Grant boilers are equipped with an automatic SPIRA-VAC pellet feed system. Refer to cleaning system for each of the two... -
Page 8: Technical Data
2 Technical Data 2.1 Boiler & Hopper Technical Data Spira Model Model Number Units 6-26 9-36 Maximum heat Output Btu/hr 88,700 122,800 Flow connection 1" BSP (Female) " BSP (Female) Return connection 1" BSP (Female) " BSP (Female) Water content Litres 51.5 Waterside resistance ΔT = 10°C... -
Page 9: Boiler Input And Output Data
The settings in the table below are Model Number Units 6-26 9-36 based on the boiler using the Grant Weight boiler – less burner and fan box (empty) fixed angle pellet feed auger at 45° with Weight burner 25.5 25.5 an auger motor fixed speed of 8.1 rpm. -
Page 10: Boiler And Hopper
2 Technical Data 2.4 Boiler and Hopper Dimensions and Clearances 2.4.1 Single Boiler with Left Hand Hopper Front View Side View Plan View Rear View Spira Wood Pellet Boiler Dimensions Model 6-26 110kg left hand hopper 1056 1160 1120... - Page 11 2.4.2 Single Boiler with Right Hand Hopper Front View Side View Rear View Plan View Spira Wood Pellet Boiler Dimensions Model 6-26 110kg right hand hopper 1056 1160 1120 6-26 200kg right hand hopper 1256 1160 1120...
- Page 12 2 Technical Data 2.4.3 Double Boiler with Central Hopper Front View Side View Plan View Rear View Spira Wood Pellet Boiler Dimensions Model 12-52 with double hopper 1792...
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Page 13: Pellet Specification
3 Pellet Specification, Storage & Delivery 3.1 Pellet Specification Key Parameter Limits Category as per Grant SPIRA boilers are designed to EN 14961 run on EN Plus A1 wood pellets that Diameter comply with EN 14961 and meet the Average length L<5 x diameter... -
Page 14: Pellet Storage
A range of suitable bulk pellet stores the hopper. Refer to Section 7 for situated between the bulk hopper and are available from Grant UK. These are details. the boiler, as the auger fitted to the supplied flat packed for on-site hopper delivers the precise quantity of assembly. - Page 15 Grant UK offer a range of eight bulk To determine the length of auger NOTE pellet augers, from 2.5m to 6m in required the following factors must be length in 0.5m steps, as given in the determined table below: a) Difference in height between the...
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Page 16: Installation Information
Considerations 4.5 Regulations For the 12-52, 15-62 and 18-72 To achieve the maximum efficiency Installation of a Grant SPIRA wood models (‘double boiler’ installations), the possible from the Grant SPIRA wood pellet boiler and hopper must be in appliance comes supplied on two... -
Page 17: Wash System Manifold 17 Setting
Fit the gauge/valve assembly to the end connection is located at the rear of the of the manifold pipe using the 22mm Grant UK do not accept any boiler. Refer to Section 5 for details on compression elbow. responsibility for any damage,... -
Page 18: Pellet Hoppers
4 Boiler Installation Information Auger Fixing Flange Figure 4-1: Flue fan/solenoid valve plug Figure 4-2: Pellet feed auger fixing Figure 4-3: Auger plug connection connection 4.11 Pellet Hoppers 4.12 Pellet Feed Auger Fit the 6-way plug (No.3), from the pellet feed auger motor, into the 4.11.1 Single Boiler Installation 4.12.1 Single Boiler Hoppers corresponding 6-way socket on the left... - Page 19 Pink copy for your own This is especially important where the records, and return the Yellow copy to boiler is to be installed on an old Grant UK to register the installation of system. the boiler. For optimum performance after...
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Page 20: General Requirements
5.1 General Requirements Pipes should be adequately fixed to 5.4 External Pipework prevent sagging, i.e. at no more than When in condensing mode the Grant Ideally, external pipework, or pipework 0.5 metre intervals. SPIRA condensing wood pellet boilers in unheated areas, should be avoided. If... -
Page 21: Inspection And Cleaning
Figure 5-1: Purpose made condensate soakaway 5.6 Condensate Trap If connecting the condensate discharge into a waste system or soil Grant SPIRA condensing boilers are stack, either internally or externally, a supplied with condensate trap. This second trap must be fitted in the trap must be used. -
Page 22: Filling The Sealed System
6 Sealed Systems 6.1 Sealed System Requirements All Grant Spira boilers are suitable for use with sealed systems complying with the requirements of BS5449. The system must be provided with the following items:- • Diaphragm expansion vessel complying with BS 4814. -
Page 23: Venting The Pump
The procedure for filling the sealed 7. Continue to fill the system until the 6.4 Pressure Relief (Safety) system is as follows: pressure gauge indicates between Valve Operation 0.5 and 1.0 bar. Close the fill point Check the operation of the pressure 1. -
Page 24: Flue Position And
The boiler flue cannot terminate into Figure 7-1 (taken from Approved an existing brick or clay lined The Grant SPIRA wood pellet boiler Document J – Section 2) can meet chimney. All masonry flues must be draws air for combustion from the room the above requirement. -
Page 25: Flue System Assembly
The lip seal should be 7.3.2 Flue System fitted dry and the lubricating grease The Grant ‘Black’ flue system is a fully (supplied with the component) applied insulated stainless steel twin-wall flue - to the internal surface of the socket into finished with a Black Polyester Powder which it is to be fitted. - Page 26 1.5m thereafter. On internal systems, the weight can twist lock flutes, but the locking band Grant do not supply the guy wires or tie often be supported where the flue rods to use with this bracket.
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Page 27: Flue Notice Plate
An Inspection Pipe 7.5 Carbon Monoxide Alarm incorporating an inspection hatch The Building Regulations Approved (Grant ref. WP/IP) is available as part of the Grant ‘Black’ flue system. Document J requires a Carbon Monoxide alarm to be fitted in the room Any Inspection hatch must be where the boiler is located. -
Page 28: Flue System Components
7 Flue System and Air Supply 7.6 Flue System Components WP01 Locking band WPUF 200 Uni flash WPADJ 250 EXT 250 WPFP Firestop plate 2PC WPSC Storm collar WPGB Guy wire bracket WPWB50 50mm Wall bracket WPEXT333 Extension 333mm WPEXT500 Extension 500mm WPEXT1000 Extension 1000mm WPWB300 300mm Wall bracket WPSP Support plate 2pc... -
Page 30: Flue Component Dimensions
7 Flue System and Air Supply 7.7 Flue Component Dimensions revised drawings to come Straight Pipe Length (mm) Effective Nominal Length Part Length (mm) Number 1000 WP/EXT1000 WP/EXT500 WP/EXT333 WP/EXT200 Double 30˚ Bend and Straight Pipe Double 45˚ Bend and Straight Pipe Length (mm) Length (mm) Effective... -
Page 31: Typical Flue Systems
7.8 Typical Flue Systems Figure 7-5: Typical flue installations details... -
Page 32: General Requirements
6-way connector on See Figure 8-2. Ensure it is fully the pre-wired flying lead fitted to This hopper is fitted with three pre- pushed home. either the bulk pellet auger or Grant wired flying leads with factory-fitted SPIRA-VAC system. plugs: •... -
Page 33: Heating System Controls
6. If a bulk pellet store is to be used, 8.5 Connecting the Power connect the 6-way plug to the Supply corresponding connection on the flying lead from either the Grant WARNING SPIRA-VAC system or Grant bulk pellet store auger. Ensure that the plug and socket are fully pushed... -
Page 34: Wiring Diagrams
Refer to either Figures carried out. The Grant wood pellet boiler and 8-9 or 8-10, as appropriate, for • Short circuit intermediate hopper contains details of the connections required. - Page 35 Figure 8-6: Burner wiring diagram...
- Page 36 8 Electrical Figure 8-7: Hopper wiring diagram – single boiler hopper...
- Page 37 Figure 8-8: Hopper wiring diagram – double hopper...
- Page 38 8 Electrical *See Figure 8-11 for wiring Pressure Switch Kit for use with plastic pipe in installation Figure 8-9: Heating system controls – S-plan type system connection diagram...
- Page 39 *See Figure 8-11 for wiring Pressure Switch Kit for use with plastic pipe in installation Figure 8-10: Heating system controls – Y-plan type system connection diagram Figure 8-11: Connection of Grant low water pressure switch (ref. MPCBS62)
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Page 40: Burner Operational Modes
9 Burner 9.1 Burner Operation 9.2 Burner Operational Modes ‘PELLET BURNER FIRING’: Power 100% (operation code 13) Flame is fully The burner controls the pellet feed ‘BOILER WAIT THERMOSTAT’: developed and boiler is operating on full auger, flue fan, boiler temperature and (operation code 03) Boiler is in standby power. -
Page 41: Burner Operational Sequence
9.3 Burner Operational Sequence Flow Chart of Operation of Wood Pellet Boiler Temp > 'Delta Restart' Temp or Switched Live Input Off Wait Boiler Thermostat Burner Power Temp < 'Delta Restart' Temp Wait Pre Load Brazier Activated & Switched Live Input On (Pressure Switch Check) Pressure Switch Check OK Wait Pre Load Brazier... -
Page 42: Burner Display Screen
9 Burner 9.4 Burner Display Screen Active symbols = Boiler thermostat calling = Burner fan operational = Pressure switch closed = Ignition element operational = Feed auger operational = Photocell lux reading >'Flame On' setting = n/a = Error 9.5 Burner Control Buttons The burner has six control buttons, these perform the following tasks. -
Page 43: Burner Menu Navigation Chart And Factory Default
9.6 Burner Menu Navigation Chart and Factory Default Settings... - Page 44 9 Burner 9.7 Burner Menu 9.7.1 ‘INSTAL’ menu folder ‘INSTAL’ represents the Installer folder. Using the main menu flow chart shown It enables the installer access relevant in Section 9.6 navigate the menus using parameters for adjustment during the the buttons as described in Section 9.5. installation / commissioning of the Each of the four main folders is appliance.
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Page 45: Warranty
Default setting 6-26 & 9-36 = are based on the boiler using the Default setting 9-36 = 250 500 (500 hrs). Grant fixed angle pellet feed auger at (25 seconds). RESET SERVICE: to cancel the 45° and an auger motor fixed speed ‘SERVICE’... - Page 46 9 Burner 9.7.3 VIEW Menu Folder 9.7.4 USER Menu Folder ‘VIEW’ folder displays the function or ‘USER’ folder; allows the user change status of the boiler. the language on the burner display. To access the menu displays within the To access the menu displays within the ‘VIEW’...
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Page 47: Equipment Required
To carry out a complete and with a draught stabiliser. Refer to Check the following: comprehensive commissioning of the Section 7.1. Grant Spira wood pellet boiler the • The washdown system manifold 10.3 Boiler following equipment is required. pipe is correctly fitted into either the right or left side of the boiler, as 10.3.1 Control Panel... -
Page 48: Safety Device Checks
Ensure that only pellets that comply place and are all aligned with the top with ENplus A1 standard, to EN14961, edges running ‘front to back’. are used with the Grant Spira boiler. Test the automatic cleaning functions as Refer to Section 3. follows: Fill the hopper with pellets either: •... -
Page 49: Priming The Pellet Feed
The burner display screen should • Disconnect the 7-way plug (No.1) WARNING automatically go blank, as all power to from the socket on the left side of the burner has been interupted. the burner. Refer to Figure 10-9. • Disconnect the pellet delivery hose To make the burner operational again: The interlock on the combustion from the pellet feed tube (on the... -
Page 50: Lighting The Boiler
10 Commissioning A damaged pellet delivery hose can After completing the start-up sequence, the burner should be firing at maximum allow a back draught through the boiler output and the display on the burner resulting in the pellet tube (burn back) control shows ‘BURNER FIRING thermostat operating and shutting 100%’. -
Page 51: Flue Gas Analysis
The customer/user must be informed of a draught midway between 0.1 to the correct operation and use of their 0.15mbar the slider position is Grant Spira wood pellet boiler correct. installation. This must include the • Without moving the position of the... -
Page 52: Commissioning Report
Customer handover details The completed form must be signed by both installer and customer/user. A copy of the completed form must be left with the customer/user, one must be returned to Grant UK and the remaining third copy retained by the Installer. -
Page 53: Boiler Servicing
11 Boiler Servicing 11.1 General 11.2 Checks Before Servicing 11.3 Heating System It is essential that the Grant Spira boiler BEFORE starting any service work on If boiler is part of a sealed heating is serviced at regular intervals of no... -
Page 54: Combustion Ventilation
11 Boiler Servicing 11.4.3 Draught Stabiliser WARNING Check draught stabiliser damper is free to move. Remove draught stabiliser from fan box and clean if required. Failure to maintain a clean flue can Refer to Figure 11-2. result in the emission of flue gases Re-fit draught stabiliser to fan box and into the dwelling or damage from check damper is free to move. - Page 55 Operate the automatic cleaning function • Remove the securing clip from the • Press and hold down the in both heat exchangers, as follows: end of the solenoid valve shaft. ‘CLEANING’ ‘TEST’ switch on the Then separate solenoid head from boiler control panel.
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Page 56: Burner Brazier
11 Boiler Servicing 11.6.3 Combustion Chamber • Clean down the combustion • Remove the red burner cover by chamber side, back and base loosening the four M5 screws (two surfaces, removing all ash deposits. each side of the cover) and lifting it WARNING off the burner. -
Page 57: Burner Components
• Remove both the two brazier flame • BEFORE fitting the burner hood, NOTE plates and photocell back plate tighten the two screws securing the from brazier. photocell back plate to the front of the burner. • Unscrew and remove the two M6 After a period of time in use, the nuts and washers on either side of •... -
Page 58: Re-Fitting Burner
11 Boiler Servicing 11.8.2 Photocell Check the condition of the feed tube NOTE Remove photocell from mount. Check and thoroughly clean the inside. and clean the photocell. Replace if Check that the burn back thermostat is damaged. Refer to Figure 11-14. correctly mounted and fixed to the top The condensate trap(s) and Remove the two screws securing the... -
Page 59: Safety Device Checks
11.12 Safety Device Checks The following safety checks must be made before putting the boiler back into operation: 11.12.1 Burn Back Thermostat Check operation of burn back thermostat. Follow the procedure given in Section 10.5.1 11.12.2 Combustion Chamber Door Switch Check operation of combustion chamber door switch. -
Page 60: Fault Finding
12 Fault Finding 12.1 General If a fault occurs with the boiler, the display screen on the burner control panel helps to identify the nature and cause of that fault. There are THREE basic screen displays that can be seen in the event of a fault, as follows: Figure 12-1: Normal screen display a) Normal screen display (with WAIT... -
Page 61: Normal Screen Display
Note 1 - Is the curser next to the Note 3 - Is there a sufficient quantity • the bulk store auger, or Grant Spira- thermostat symbol on the burner of pellets in the pellet hopper? vac system, is operating correctly... -
Page 62: No Screen Display
12 Fault Finding 12.3 No Screen Display - Boiler will not fire – blank screen Primary Fault Secondary follow on checks BLANK DISPLAY SCREEN Is electrical Are all plugs Has the boiler Has the pellet Is the Is the power Check continuity Is the ribbon Replace burner... - Page 63 Note 7 - Is the fuse on the PCB OK? Remove fuse from holder on PCB and check. Replace if necessary. Fuse type F5AL250V. Refer to Figure 12-5. Figure 12-6: Location of fuse on PCB...
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Page 64: Boiler Overheat Thermostat
12 Fault Finding 12.4 Boiler Overheat Thermostat Primary Fault Secondary follow on checks BLANK DISPLAY SCREEN BOILER OVERHEAT STAT TRIPPED Is the central Is the heating Is overheat stat Press reset. Is the system Is there any Remove any heating system thermistor correctly capillary in good Is there now... -
Page 65: Pellet Tube Thermostat
12.5 Pellet Tube Thermostat Primary Fault Secondary follow on checks BLANK DISPLAY SCREEN PELLET TUBE STAT TRIPPED When pellet Is the pellet Is the pellet Is the ash pan Is the Is the condensate Is the flue used Is the flue fan tube has cooled - delivery hose delivery hose... - Page 66 Only the Grant Black flue system can both ‘TIME CLEAN PERIOD’ and MONTHLY intervals for the FIRST be used with the Grant Spira wood ‘TIME CLEAN BOILER’...
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Page 67: Failed Pellet Lighting
Fill hopper with Fully prime pellet Is the auger Is hopper outlet Is the correct Check power to In burner menu Contact GRANT correct grade of auger operating? blocked or full of grade of pellets element. Check is reset ‘TIME... - Page 68 Plus Grade A1 pellets conforming to period of the burner lighting sequence used, as follows: EN14961 must be used with the Grant (i.e. whilst the ‘STEP AUTO’ function is Spira boilers. Refer to Section 3.1 for 41 in the ‘view’ menu), if the LUX value Using a pellet hopper only –...
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Page 69: Servo Motor Blocked
Check from the brazier. To open the brazier ON/STANDBY switch back to with Grant UK for correct setting. manually, operate the release switch on STANDBY. When the burner has the servo motor. Refer to Section... -
Page 70: Probe Failure Thermostat
12 Fault Finding 12.8 Probe Fault H2o 60˚C SET 75˚C PROBE FAI Primary Fault Secondary follow on checks PROBE FAULT Are all three Is the heating Is thermistor Replace burner plugs thermistor connected to thermistor correctly fitted? damaged? control PCB? Note 1 Note 2 Note 3... -
Page 71: Air Pressure Error
12.9 Air Pressure Error H2o 60˚C SET 80˚C AIR PRESS Primary Fault Secondary follow on checks AIR PRESSURE ERROR Reset error Restart the Is the burner fan Is the fan Is air Is the burner by pressing the boiler does the operational? blocked? pressure switch... -
Page 72: Spare Parts
13 Spare Parts 13.1 Burner Figure 13-1: Burner Control Components – Exploded View... - Page 73 13.2 Burner Brazier Figure 13-2: Burner Brazier Components – Exploded View...
- Page 74 13 Spare Parts 13.3 Burner Parts List Item Description Part No. Quantity 6-26 Quantity 9-36 Pressure switch WP111 Primary printed circuit board 6-26 WP112A Primary printed circuit board 9-36 WP112B Burner fan WP03 Servomotor WP04 LED display unit c/w enclosure WP05 Mounting bracket set (LED display) WP06...
- Page 75 13.4 Boiler Figure 13-3: Boiler Components – Exploded View...
- Page 76 13 Spare Parts 13.5 Boiler Parts List Item Description Part No. Quantity 6-26 Quantity 9-36 Rear lower panel WP34 5 way mains connection –male fixed WP 35 Rear upper panel WP36 5 way mains connection –female detachable WP37 5 way flue fan / cleaning solenoid connection –male detachable WP38 5 way flue fan /cleaning solenoid connection –...
- Page 77 13.5 Boiler Parts List continued Item Description Part No. Quantity 6-26 Quantity 9-36 Spiral hanger 6-26 WP78 Spiral hanger 9-36 WP79 Shaker assembly mounting flange WP80 Spring anchor - movable WP81 Cleaning mechanism spring WP82 Right side panel 6-26 WP83 Right side panel 9-36 WP84 Cleaning mechanism cam...
- Page 78 13 Spare Parts 13.6 Pellet Hopper (110kg) Figure 13-4: 110kg Pellet Hopper Components - Exploded View...
- Page 79 13.7 Pellet Hopper (110kg) Parts List Item Description Part No. Quantity 6-26 & 9-36 Castor Wheel (c/w brake) WP146 Caster wheel flange WP147 Right side panel WP148 Pellet feed Auger shield WP149 Base WP150 Front panel WP151 Grid WP152 Top front panel WP153 Door hinge WP154...
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Page 80: Health & Safety Information
14 Health and Safety Information Under the Consumer Protection Act 14.2 Sealant and Adhesive 1987 and Section 6 of the Health & Material Types; Silicone elastomer. safety at Work Act 1974, we are Description; Sealant and adhesive. required to provide information on substances hazardous to health Known Hazards;... -
Page 81: Ec Declaration Of Conformity
Declare that: Equipment: Floor Standing Domestic Condensing Wood pellet boiler Model name/number: Grant Spira 6-26 Wood Pellet Boiler Grant Spira 9-36 Wood Pellet Boiler In accordance with the following Directives: 2006/95/EC Conforms with the safety objectives of the Low Voltage Directive and its amending directives... - Page 82 A charge may be made (if necessary year warranty (giving two years from following testing of parts at Grant UK) if and valves not supplied by Grant the date of purchase). This does not the cause of the breakdown is due to affect your statutory rights*.
- Page 83 NOTE 8. This guarantee applies to Grant Do not wait until your wood pellet boilers installed on the UK supply runs out before you order some mainland, Isle of Man and Channel more. Islands only. Provision of in-warranty cover elsewhere in the UK is...
- Page 84 GRANT ENGINEERING (UK) LTD Hopton House, Hopton Industrial Estate, Devizes, Wiltshire. SN10 2EU Telephone: 01380 736920 Fax: 01380 736991 Email: info@grantuk.com Website: www.grantuk.com...