Grant Spira 5-18 User, Installation And Servicing Instructions Download Page 85

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12.4 Boiler Overheat Thermostat

Primary fault
Secondary follow on checks

BLANK DISPLAY SCREEN

Is the central

heating system

and boiler full of

water and vented of

any air locks?

Yes

Is the heating

thermistor correctly

fitted in the pocket

(inside the boiler

control panel)?

Unclip and remove

lead from stat and

check

Is overheat stat

capillary in good

condition and not

damaged, kinked

or broken?

Press reset.

Is there now

continuity between

the overheat stat

terminals?

Is the system

circulating pump

operational?

Is there any

restriction to

water flow from

the boiler?

Remove any

restriction e.g.

open any valves,

or remove

blockage

preventing flow

Correctly fit

heating thermistor

in pocket and

reset overheat

stat

Replace faulty

overheat stat

Replace faulty

circulating pump

BOILER OVERHEAT STAT TRIPPED

Yes

Note 1

Note 2

Note 3

Note 4

Note 5

Yes

Fill and vent

system

Summary of Contents for Spira 5-18

Page 1: ...UK DOC 0042 Rev 2 0 October 2015 Grant Spira 5 18kW 6 26kW and 9 36kW Condensing Wood Pellet Boiler User Installation and Servicing Instructions...

Page 2: ...or appearances are changed in the interests of continued product improvement All good sold are subject to our official Conditions of Sale a copy of which may be obtained on application Grant Engineeri...

Page 3: ...ils to Light 12 10 Emptying the Ash Pan 14 11 Cleaning and Servicing your Boiler 16 12 Ventilation 16 13 Electricity Supply 16 14 Sealed Central Heating system 16 15 Frost Protection 17 16 Corrosion a...

Page 4: ...servicing The electrical connections to the boiler s are all made to the 4 way electrical plug on one of the three factory fitted flying leads at the rear of the pellet hopper All Grant pellet hopper...

Page 5: ...r cylinder fitted as long as There are sufficient pellets of the correct type in the pellet hopper Refer to Section 3 The pellet auger is fully primed Refer to Section 7 The heating system controls ar...

Page 6: ...resulting in clinker blocking air holes poor combustion and jamming of the brazier cleaning system DO NOT USE The auger will not be able deliver these pellets at the correct rate to the burner affecti...

Page 7: ...at continually trips there may be a fault and you should contact your Installer CLEANING AUTO TEST switch When pressed and held in the TEST position it allows the installer or Grant service engineer t...

Page 8: ...perate 5 C below the set point the boiler is in 100 power mode 5 C above the set point the boiler has reached minimum output The set point is NOT the temperature at which the burner stops The maximum...

Page 9: ...essages The burner control panel display can also indicate that a fault has occurred with the boiler In the event of a fault one of the following error fault messages may be seen scrolling across the...

Page 10: ...let feed auger on the pellet hopper MUST be fully primed BEFORE attempting to start the boiler The auger should be initially primed by the Installer as part of the commissioning process If for any rea...

Page 11: ...and are calling for heat There should be a cursor next to the Heating Demand symbol on the burner display Refer to Section 5 4 Active Symbols Set the burner ON STANDBY switch to ON The flue fan will...

Page 12: ...aller If after checking the above there is still a problem then contact your Installer for assistance STEP 2 Is one of the four ERROR MESSAGES scrolling across the bottom of the burner control panel d...

Page 13: ...ocked with ash clinker If yes is the correct grade of pellets being used If not empty the hopper and refill with correct grade of pellet If after checking the above there is still a problem then conta...

Page 14: ...procedure below Step 1 Set the burner STANDBY ON switch to STANDBY Step 2 If the boiler is running at the time wait for it to complete the burner shut down sequence i e until the burner control panel...

Page 15: ...carefully lift the ash pan out of the boiler Refer to Figure 10 7 Do NOT use the centre cross bar of the ash pan as a carrying handle Step 10 Safely dispose of the ash WARNING Extreme care is require...

Page 16: ...ly fails the boiler will cease to operate It should automatically relight when the electrical supply is restored However it may first burn off any smouldering pellets still present in the brazier befo...

Page 17: ...t corrosion within your heating system and boiler your installer should have flushed the system and added a suitable corrosion inhibitor NOTE The Grant Guarantee on the boiler shell heat exchanger req...

Page 18: ...heck Primary heat exchanger inspect clean Secondary heat exchanger inspect clean Wash system inspect clean Combustion chamber inspect clean Fan inspect clean Shaker mechanism grease Shaker system chec...

Page 19: ...19 This page is intentionally left blank...

Page 20: ...Requirements 52 8 2 Hopper Electrical 52 Connections 8 3 Boiler Hopper Plug 53 Connections 8 4 Heating System Controls 54 8 5 Connecting the Power 54 Supply 8 6 Wiring Diagrams 55 9 Burner 61 9 1 Bur...

Page 21: ...e following special text formats are used in this manual for the purposes listed Warning of possible human injury as a consequence of not following the instructions in the warning Caution concerning l...

Page 22: ...g pellets to the burner See Section 9 for details of burner operation The boiler is suitable for use on a sealed or open vented central heating system When commissioned and set correctly Grant Spira c...

Page 23: ...pellet hopper available for use with a single boiler Left hand hopper to be positioned on the left hand side of the boiler Right hand hopper to be positioned on the right hand side of the boiler Both...

Page 24: ...feed data 1 5 Boiler Cleaning and Servicing Grant Spira condensing wood pellet boilers are equipped with an automatic cleaning system for each of the two heat exchangers and also for the burner brazi...

Page 25: ...t range C 55 to 75 C Boiler temperature cut out point C 65 to 80 C Minimum return temperature C 40 C Water system overheat cut out temperature C 100 C Burn back overheat thermostat cut out C 90 C Elec...

Page 26: ...t 110kg pellet hopper full incl auger kg 151 151 151 Weight 200kg pellet hopper empty incl auger kg 77 77 77 Weight 200kg pellet hopper full incl auger kg 277 277 277 Weight of auger kg 8 8 8 Weight 1...

Page 27: ...1120 6 26 200kg left hand hopper 1256 618 713 125 44 713 1160 1120 9 36 110kg left hand hopper 1056 518 513 277 196 661 1260 1220 9 36 200kg left hand hopper 1256 618 713 225 144 713 1260 1220 If the...

Page 28: ...ht hand hopper 1256 618 713 125 44 713 1160 1120 9 36 110kg right hand hopper 1056 518 513 277 196 661 1260 1220 9 36 200kg right hand hopper 1256 618 713 225 144 713 1260 1220 If the measurement from...

Page 29: ...Plan view 280 1232 280 A C 213 G 150 400 B B D E F 134 Spira wood pellet boiler model Dimensions A B C D E F G H 11 44 5 18 and 6 26 with double hopper 1792 616 697 224 141 616 1160 1120 12 52 2 x 6 2...

Page 30: ...cts the calorific value of the pellet Low moisture content guarantees constant and predictable combustion efficiency Higher moisture contents can result in pellet breakdown Net Calorific Value This is...

Page 31: ...ted between the bulk hopper and the boiler as the auger fitted to the hopper delivers the precise quantity of pellets required by the burner The pellet hopper also allows any problems with bulk pellet...

Page 32: ...a longer auger can damage the pellets Grant UK offer a range of eight bulk pellet augers from 2 5m to 6m in length in 0 5m steps as given in the following table To determine the length of auger requi...

Page 33: ...s which you must check with the local authority for the area e g Approved Document J Model and local Water Undertaking Bylaws MCS Installer Standards i e MIS 3004 if applying for the Renewable Heat In...

Page 34: ...ose supplied already fitted within the boiler casing Connect one end of the hose to the outlet of the solenoid valve and the other to the inlet connection of the wash system manifold Connect the mains...

Page 35: ...ber door Remove the red burner cover by loosening the four M5 screws two on each side of the cover and lifting it off the burner Disconnect the plugs from the left side of the burner Loosen the four s...

Page 36: ...e boiler fit one end of the pellet delivery hose onto the pellet feed auger outlet and the other end onto the pellet feed tube The pellet delivery hose may need to be cut if too long A sachet of lubri...

Page 37: ...ible and the number of bends kept to a minimum Pipes should be adequately fixed to prevent sagging i e at no more than 0 5 metre intervals Condensate disposal pipes must be fitted with a fall away fro...

Page 38: ...blocking or frozen If connecting the condensate discharge into a waste system or soil stack either internally or externally a second trap must be fitted in the condensate discharge pipe This trap must...

Page 39: ...r is set to operate at 2 5bar It should be fitted in the flow pipework near to the boiler The pipework between the safety valve and boiler must be unrestricted i e no valves The safety valve should be...

Page 40: ...e 0 2 0 3 bar greater than the vessel charge pressure giving typical system fill pressures of approx 0 5 bar for a bungalow and 1 0 bar for a two storey house Refer to the Domestic Heating Design Guid...

Page 41: ...s support options available in the Grant Biomass flue system Refer to Section 7 4 5 The minimum distance between the outer surface of any part of the flue system and any combustible material is 60mm R...

Page 42: ...ce and a at least 1000mm above the highest point of intersection of the chimney and the weather surface or b at least as high as the ridge C Below on a pitched roof or within 2300mm horizontally to an...

Page 43: ...the pellet hopper but not to the front or rear When fitting the Inspection Pipe to the fan box check the lip seal is fitted to the inner flue liner of the flue connector and the locking band is fitted...

Page 44: ...m beyond the last support of the roof e g Roof Support Band a Guy Wire Bracket MUST be used and at every 1 5m thereafter Grant does not supply the guy wires or tie rods to use with this bracket Struct...

Page 45: ...Plate product code WPB FP A Ventilated Fire Stop Plate should be fixed to the ceiling below a Ventilated Support Plate When passing through a second upstairs floor in a 3 storey house either a second...

Page 46: ...Smoke Test I 7 6 Flue Notice Plate The Building Regulations Approved Document J requires a notice plate that conveys essential information regarding the flue installed to be permanently displayed A s...

Page 47: ...45 bend Cantilever Wall bracket Rain cap Rain cap Rain cap Uni flashing Uni flashing Support plate 1000mm extension Ventilated firestop plate Support plate Ventilated firestop plate Extension Inspecti...

Page 48: ...ominal length mm Effective length mm WPB EXT200 200 160 WPB EXT333 333 293 WPB EXT500 500 460 WPB EXT1000 1000 960 Adjustable 75 250mm Effective lengths using a straight and adjustable extension Produ...

Page 49: ...40 300 WPB IP Inspection pipe WPB CA Flue adaptor WPB AP Anchor plate WPB FP Firestop plate 1 piece Support plate 2 pieces WPB GB Guy wire bracket WPB WB60 Wall bracket 60mm WPB CANT Cantilever 570mm...

Page 50: ...cap WPB RS Roof support stainless steel band WPB SC Storm collar WPB TP Intermediate top plate WPB TC Trim collar for Wall Sleeve 45 454 259 184 330 1 0 0 0 300 WP SLE Wall sleeve 45 Also requires WP...

Page 51: ...stable extension Extension 45 bend Support plate Adjustable extension Inspection pipe access hatch to face left of boiler 6 8 10 metre liner Anchor plate flex adaptor Flue system to flex adaptor Rain...

Page 52: ...stallation This hopper is fitted with four pre wired flying leads with factory fitted plugs 4 way plug for connection of the permanent live earth and neutral and also the switched live from the heatin...

Page 53: ...e 6 way plug to the corresponding connection on the flying lead from either the Grant SpiraVac system or Grant bulk pellet store auger Ensure that the plug and socket are fully pushed together until t...

Page 54: ...ensure that the electrical supply is isolated at the fused spur serving the controls and boiler that the fuse has been removed and the isolator is locked off Do NOT connect the electrical supply to th...

Page 55: ...BOILER WHEN VIEWED FROM THE FRONT Flue Fan Solenoid Valve Pellet Feed Auger Motor Plug No 3 6 way Plug No 1 7 way Plug No 2 7 way Plug No 4 5 way Plug No 5 5 way On On Switch Momentary one side Earth...

Page 56: ...56 Figure 8 6 Burner wiring diagram SOCKET NO 1 SOCKET NO 2 SOCKET NO 3 21 A1 22 24 12 14 11 A2 9 10 11 12 13 15 14 16 17 18 19 20 22 23 24 21 L N 3 4 5 6 7 8 CN16 CN14 CN1...

Page 57: ...PERMANENT LIVE SWITCHED LIVE To Low Pellet Warning Lamp ONLY USE IN HOPPER ONLY MODE IN LINE FUSE HOLDER C W 5 AMP FUSE 5 X 20mm IN LINE FUSE HOLDER C W 5 AMP FUSE 5 X 20mm Green Yellow Blue Black Br...

Page 58: ...TCHED LIVE PERMANENT LIVE SWITCHED LIVE Supply to Central Heating Valve To Low Pellet Warning Lamp ONLY USE IN HOPPER ONLY MODE IN LINE FUSE HOLDER C W 5 AMP FUSE 5 X 20mm IN LINE FUSE HOLDER C W 5 AM...

Page 59: ...t 1 C 2 E N L L N E 5A Fuse PL N SL L1 N L2 Four way plug comes fitted to four way socket on rear of Grant Spira Hopper N Grant 2 Channel Wall Mounted Programmer ESKIT L 1 2 3 4 OFF OFF ON ON HW HT HW...

Page 60: ...Blue Green Yellow 1 C 2 White 13k 2W 270k 0 25W Room Stat 2 1 3 Link Figure 8 10 Heating system controls Y plan type system connection diagram Figure 8 11 Connection of Grant low water pressure switch...

Page 61: ...ner restarts after maximum temperature has been reached WAIT PRELOAD BRAZIER operation code 40 Initial loading of pellets into the brazier to enable combustion to start Activated with a switched live...

Page 62: ...duced T 120 Sec Lighting Feed Reduced 13 Pellet Burner Firing Max Flame Temp below the set point Temp Delta Range Flash Cleaning 1 Auger run time Time Clean Braz and or Time Clean Boiler Temp below th...

Page 63: ...Normal Mode Increase temperature set point by 1 C up to 75 C maximum Menu mode Scroll up Button No 1 Button No 6 Button No 5 Button No 4 Button No 3 Button No 2 Normal mode Decrease temperature set p...

Page 64: ...AL SETUP H2o POWER PELLET CLEAN ITALIAN ENGLISH TO RE LOAD FACTORY SETTING MEnu MANUFACT INSTAL 1 MEnu MANUFACT INSTAL 2 MEnu VIEW MANUFACT 3 MEnu USER VIEW 4 MEnu PSW 0 INSTAL TO STEP BACK 2 3 6 5 4...

Page 65: ...adjustment during the installation commissioning of the appliance Only accessible with an access code The INSTAL folder has four sub folders menu 1 4 H2o menu 2 4 POWER PELLET menu 3 4 CLEAN menu 4 4...

Page 66: ...LEAN BOILER has elapsed Default setting 5 18 6 26 and 9 36 60 60 seconds FLASH CLEANING Setting determines when the burner brazier and boiler cleaning operations start after the TIME CLEAN BRAZ and TI...

Page 67: ...ressure Error 33 Failed Pellet Lighting 34 Servo Motor Blocked 40 Pre load 41 Wait Lighting Ignition 42 Wait Lighting Lighting Feed Reduced 45 Wait Lighting Flame Stabilisation 47 Probe Fault c VIEW C...

Page 68: ...solenoid valve head is correctly fitted and secured in position with the steel clip provided with the boiler The solenoid valve is connected to an uninterrupted mains water supply Refer to Section 4 9...

Page 69: ...ST does NOT operate the burner cleaning function but only that of the two heat exchangers Primary Heat Exchanger Check the shaker unit located in the top of the primary heat exchanger is operating fre...

Page 70: ...ning process and recorded on the Commissioning Report form Refer to Section 10 12 With the electrical power to the hopper and boiler Switched on and the burner ON STANDBY switch set to STANDBY check t...

Page 71: ...mber A draught reading of between 0 1 and 0 15mbar is required 0 04 and 0 06 in wg 10 9 2 Draught Stabiliser Adjustment The combustion chamber draught should be between of 0 1 to 0 15mbar 0 04 and 0 0...

Page 72: ...w minutes to see the maximum and minimum values reached The CO2 measured should range between a maximum of 12 and a minimum of 10 If necessary the CO2 may have to be adjusted to be within these limits...

Page 73: ...etc Combustion readings Installation details Burner settings Customer handover details The completed form must be signed by both installer and customer user A copy of the completed form must be left...

Page 74: ...down and WAIT BOILER THERMOSTAT is shown on the burner control panel display before proceeding further Isolate the electrical supply to the hopper and boiler and remove the fuse from the fused spur Di...

Page 75: ...panel cover and secure with the six screws previously removed Figure 11 6 Boiler control panel cover removed Figure 11 7 Cross section of shaker motor cam location covers omitted for clarity Figure 11...

Page 76: ...from base of rear flue gas duct Clean and check condition of all spiral baffles Replace if necessary Re fit spiral baffles into heat exchanger tubes such that all the top edges of the baffles are run...

Page 77: ...e 3 sided grate enclosure Remove the four M6 screws from inside the brazier and remove the grate enclosure Unscrew and remove the two M6 screws and washers one each side of the brazier chassis securin...

Page 78: ...l out of the tube Do NOT pull on the element power cable Unscrew and remove the single screw securing the ignition element tube and pull it out of the burner Check the condition and thoroughly clean t...

Page 79: ...leaks or blockages Clean or replace as necessary Check any other traps in the condensate disposal pipework Dismantle and thoroughly clean to remove any deposits Re fit to condensate disposal system p...

Page 80: ...to Section 9 7 for details of how to access and check these settings Reset the SERVICE timer as follows Go to the CLEAN sub menu in the installer INSTAL menu Go to the RESET SERVICE setting Press butt...

Page 81: ...se refer to Error Messages below It is essential at this stage to check and identify which of these three displays is shown on the burner control panel screen before proceeding to attempt to diagnose...

Page 82: ...with the SpiraVac system Rectify as necessary When used with a Grant SpiraVac refer to instructions supplied with unit Note 4 Is there a switched live from the heating system controls connected to th...

Page 83: ...Once the door catch is disengaged all power to the burner is interrupted Refer to Section 10 5 2 Check that catch is FULLY engaged when door is closed Note 6 Is the door microswitch operational Check...

Page 84: ...84 Figure 12 6 Location of fuse on PCB 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 6...

Page 85: ...capillary in good condition and not damaged kinked or broken Press reset Is there now continuity between the overheat stat terminals Is the system circulating pump operational Is there any restriction...

Page 86: ...the overheat thermostat capillary for any damage replace if necessary Note 3 Is there continuity between the overheat thermostat terminals With electrical supply isolated reset the overheat thermosta...

Page 87: ...s the duration of the boiler cleaning period correctly set Replace pellet delivery hose Correctly fit pellet delivery hose or replace if necessary Clean out the ash pan and boiler Clean all ash from t...

Page 88: ...Empty and clean ash pan as necessary Is the flue system incorrectly installed or blocked Rectify as necessary Is the flue fan operational Is the room ventilation adequate If all the above are OK then...

Page 89: ...of dust Is the correct grade of pellets being used Check power to element Check is element OK In burner menu reset TIME CLEAN BRAZIER TIME CLEAN BOILER settings Contact GRANT for advise to reset pell...

Page 90: ...pull the complete element and cable from the tube Check the condition of the ceramic element and that it is correctly fitted into the ceramic socket Also check it is correctly positioned inside the t...

Page 91: ...mbustion chamber door Yes No H2o 60 C SET 75 C SERVO MO Note 1 Opening the combustion chamber door Before attempting to open the combustion chamber door set the ON STANDBY switch to STANDBY Note 2 Can...

Page 92: ...re held in place with the retaining clip supplied Note 3 Is thermistor connected to burner PCB With electrical supply to boiler still isolated remove both the burner cover and PCB cover Check the ther...

Page 93: ...e burner fan operational Is the fan blocked Is air pressure switch operational Is the burner fan pressure correct Check plug connections between the burner fan and control PCB Remove any blockage or r...

Page 94: ...any dust or debris If fan still does not rotate freely replace fan Note 3 Is the air pressure switch operational Check that air supply tube is correctly connected to the pressure switch and not block...

Page 95: ...95 13 Spare Parts 13 1 Boiler Figure 13 1 Boiler components exploded view...

Page 96: ...12 Air vent MPCBS29 1 1 1 13 Air fold manifold WPS48 1 1 1 14 22mm secondary to primary pipe WPS49 1 1 WPS50 1 15 Return assembly WPS51 1 1 WPS52 1 16 1 BSP flow pipe 5 18 and 6 26kW WPS53 1 1 1 BSP f...

Page 97: ...S91 1 1 WPS92 1 43 Brass fitting 1 BSP x 22mm 311 WPS93 1 1 Brass fitting 1 BSP x 28mm 311 WPS94 1 44 Primary heat exchanger WPS95 1 1 WPS96 1 45 Combustion chamber baffle WPS97 1 1 WPS98 1 46 Ash pan...

Page 98: ...Burner exploded view 1 6 3 4 20 13 27 28 21 31 19 22 32 23 5 14 15 18 33 2 7 8 26 9 24 12 11 10 17 16 25 36 kW only 29 30 36 kW 21 NOTE The 5 18kW model has an air adjuster disc not shown fitted bene...

Page 99: ...74A 1 1 1 N A Pellet feed flexi tube WPS13 1 1 1 14 Pellet feed tube gasket WPS14 1 1 1 15 Burner fan gasket WPS24 1 1 1 16 Ignition element housing housing only WPS10B 1 1 1 17 Photocell tube WPS17 1...

Page 100: ...100 Figure 13 4 200kg Pellet hopper components exploded view Figure 13 3 110kg Pellet hopper components exploded view 13 6 200kg Pellet Hopper Parts List 13 5 110kg Pellet Hopper...

Page 101: ...ial 1 1 1 7 Grid Special 1 1 1 8 Top front panel Special 1 1 1 9 Door hinge WPS154 2 2 2 10 Top rear panel Special 1 1 1 11 Left side panel Special 1 1 1 12 Castor wheel WPS157 2 2 2 13 Rubber diaphra...

Page 102: ...ible for implementing the Clean Air Act 1993 including designation and supervision of smoke control areas and you can contact them for details of Clean Air Act requirements The Grant Spira 5 18 6 26 9...

Page 103: ...th skin and eyes After handling always follow normal good hygiene practices Protection Use disposable gloves face mask and eye protection First Aid Eyes if irritation occurs wash eyes with copious amo...

Page 104: ...oblem is not being caused by the heating system or its controls Consult the installation and servicing instructions supplied with the boiler for guidance Ensure the problem is not being caused by poor...

Page 105: ...ons even when the guarantee has expired to prolong the lifespan and ensure it is operating safely and efficiently 4 The guarantee period will commence from the date of installation unless the installa...

Page 106: ...106 Notes...

Page 107: ...107 This page is intentionally left blank...

Page 108: ...GRANT ENGINEERING UK LTD Hopton House Hopton Industrial Estate Devizes Wiltshire SN10 2EU Telephone 44 0 1380 736920 Fax 44 0 1380 736991 Email info grantuk com Website www grantuk com...

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Grant Spira 5-18, User, Installation And Servicing Instructions

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Summary of Contents for Spira 5-18

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