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Glow-worm Homeglow 2 BBU, Installation & Servising Instruction, Page: 26 / 32

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Glow-worm Homeglow 2 BBU Installation & Servising Instruction Download Page 26

Supplied By www.heating spares.co  Tel. 0161 620 6677

26

221100C

Diagram 9.5

0021

Closed Circuit Voltage (millivolts)

DIAGNOSIS GRAPH FOR FIRE
THERMOCOUPLE CIRCUIT

Open Circuit Voltage (millivolts)

0

1

2

3

4

5

6

7

8

9

10 11

7

8

9

10

11

12

13

14

15

16

17

A

B

C

9.3 Thermocouple

Remove casing as described in Section 3.1.

To test a thermocouple, a meter with a range of 0 to 30 mV
is required together with a thermocouple interrupter test
unit.

Refer to fault finding diagram 9.3 and  diagnosis graph,
diagram 9.4, 9.5 and 9.6.

9.4 Combustion Products Discharge Safety
Device

If the device operates it indicates there could be a problem
with the chimney or, the pilot filter in the gas tap is
blocked.  First make sure air vents are free from
obstructions, by carrying out spillage checks as Section 6.3.
If all is in order refer to diagram 9.4 to check if the pilot
filter is blocked.

9   F a u l t   F i n d i n g

Summary of Contents for Homeglow 2 BBU

Page 1: ... 828070 2481 Installation Servicing Instructions 221100C 08 98 To b e l e f t w i t h t h e u s e r FIRE G C No 37 314 16 F o r u s e w i t h a s p e c i a l l y d e s i g n e d G l o w w o r m B a c k B o i l e r U n i t o n l y References in these instructions to British Standards and Statutory Regulations Requirements apply only to the United Kingdom For Ireland the rules in force must be used ...

Page 2: ...packed in one cardboard carton which contains all the parts necessary for the installation of the fire front see Section 4 If the back boiler and fire front are to be installed at the same time please read both sets of installation instructions before starting Wherever possible all materials appliances and components to be used shall comply with the requirements of applicable British Standards Whe...

Page 3: ...Laws of the Member States relating to electromagnetic compatibility 1 3 Data Gas connection from boiler service cock Electrical supply from boiler electrical control box 230V 50Hz Electrical power input 50W fire only Weight 36kg 79lb Injectors upper Bray Cat 77 160 lower Bray Cat 18 280 Pressure setting Hot 14 2mbar at Setting 4 Cold 13 6mbar Heat input Gross 21 000 Btu h nominal Heat output 12 10...

Page 4: ...ust be outside this area Any combustible material on the fire front fixing face area of the surround must be removed see diagram 2 2 This area to the depth removed should then be rendered with a sand cement mixture 2 3 Without Surround or Hearth The fire front fixing wall face must be flat over an area as shown in diagram 1 2 This also shows the minimum clearances for shelves or projections on the...

Page 5: ...e front sitting on the base tray The front glass panel must be removed before removal of the fire front casing To remove the front glass panel release the three knurl headed nuts and clamping plate see diagram 3 2 Place the glass panel aside until required To remove the casing release the two screws as diagram 6 26 tilt the casing forwards and lift it off leaving the fire front sitting in the base...

Page 6: ...on of the back boiler in the opening Measure the distance C see diagram 3 4 from the front mark P on the air duct to the fire front fixing wall face Use a straight edge across the opening Shorten the plain end of the gas supply tube by distance C No shortening is required when mark P is level with the fire fixing wall face C being zero The maximum distance for C will be 67mm Deburr the tube end in...

Page 7: ...ed the link between SL1 and SL2 MUST be removed The controlling supply from any such devices are to be connected to terminal SL2 see diagram 4 2 or 5 1A in Back Boiler Installation Instruction Note both the fire front and back boiler must be supplied from the same isolating switch Place the strain relief grommet from the loose items pack around the cable squeeze the halves together Position locati...

Page 8: ...e front forward and remove Drill the fire front fixing face using a 10mm masonry drill to a minimum depth of 40mm to accept the anchor nuts and screws provided Place the anchor nuts and screws into holes screw up but leave sufficient screw thread proud to accept the fire front Note if the fire front fixing wall face is not of a solid construction to a minimum depth of 40mm for example hollow brick...

Page 9: ...front do not break the union nut connection at gas service cock see diagram 5 4 SOCKET PLUG SWITCH Diagram 5 5 6 L i g h t i n g a n d T e s t i n g a n d F i t t i n g I n t e r n a l P a r t s 2465 Diagram 6 1 KNOB IN OFF POSITION Push in and turn anti clockwise GAS RATE IGNITION 6 1 Lighting and Testing Make sure that the electrical supply to the back boiler is isolated The fire front is fitted...

Page 10: ...or leaks whilst changing tap positions To change settings 0 1 Push in and turn 1 2 Turn only 2 3 Push in and turn 3 4 Push in and turn 4 5 Turn only Note air may be present in the supply to the fire front so the initial lighting operation may need to be repeated Check that the gas pressure is as quoted in the Data Section or on the Data Label If there is any doubt about the gas rate check at the m...

Page 11: ...its on support angle Diagram 6 5 VERTICAL LUG 6 2 Internal Parts Fitting CAUTION If any of the glass panels side and rear insulation support grid or coal effect pieces are damaged do not light or further test the fire front before replacement parts are fitted Remove the front glass panel see diagram 3 2 Check that the bulbs are screwed in see diagram 8 9 See diagram 8 10 operate switch to check th...

Page 12: ...D ARRANGEMENT Note Refer to GLASS and GRID ARRANGEMENT Diagram 6 8 Diagram 6 7 2482 c 2482 d 2482 d 2482 c 2482 e 2482 e L H FUEL SUPPORT GRID FRONT SIDE CHEEK REAR CHEEK REAR COAL REAR SIDE CHEEK Diagram 6 12 Diagram 6 10 Diagram 6 9 L H FUEL SUPPORT GRID R H FUEL SUPPORT GRID FRONT SIDE CHEEK L H ILLUSTRATED REAR CHEEK REARCOAL REAR SIDE CHEEK L H ILLUSTRATED Diagram 6 11 ...

Page 13: ...on the chrome rail Diagram 6 15 Note There should be no gap between the front of Coal 2 and the back of the L H Front Coal Diagram 6 16 Diagram 6 17 Note There should be no gap between the front of Coal No 3 and the back of L H Front Coal 2482 h 2482 h 2482 f 2482 g 2482 f 2482 g Diagram 6 18 L H FRONT COAL R H FRONT COAL COAL 1 L H COAL 2 L H COAL 3 L H COAL 4 R H COAL SITS ON PIN PIN FITS INTO H...

Page 14: ... Diagram 6 22 2482 b 2482 b 2482 a COAL 5 R H COAL 6 R H COMPLETECOALS ARRANGEMENT Note Coal 5 sits on top of Coal 4 at R H S Minimise gap at front Note Ensure there are gaps behind Coals 3 5 and 6 6800 PIN PIN FITS IN GROOVE ON REAR COAL COAL 7 CENTRE Diagram 26 PIN To ensure that the pin of NO 7 sits in the base of the groove it may be necessary to adjust the rear coal ...

Page 15: ...or any other reason wait 2 minutes before doing so 6 4 Test for Clearance of Products Notes WARNING Take care The appliance will get hot during testing To carry out the test on the boiler you will need a smoke match extension and a torch For test view for spillage each side above fire spigot as shown in diagram 6 23 The underbed light will help to make the smoke more visible IN ALL CASES if spilla...

Page 16: ...draught diverter and boiler draught diverter If spillage occurs detected by looking above fire spigot see diagram 6 24 Leave the boiler and fire front alight for up to a further 5 minutes and repeat tests Test Where a Fan is Present A fan means an extract fan or a fan for other open flued appliances or a circulating fan for a warm air unit whether or not gas fired With the fan switched off carry o...

Page 17: ... n t e r n a l P a r t s 1890 2473 Diagram 6 24 DIVERTER PLATE SIDE VIEW FRONT VIEW 10 10 560 SMOKE MATCH EXTENTION FIRE SPIGOT NOT SHOWN FOR CLARITY BRASS TRIM HEARTH CASTING NOTE Ensure trim is located beneath the side surround Diagram 6 25 LOCATION HOLE Diagram 6 27 2463 2469 CASING PLINTH Diagram 6 26 SECURING SCREW 2 ...

Page 18: ...hat it is checked and serviced as necessary at regular intervals The frequency of servicing will depend upon the particular installation and usage but in general once a year should be enough It is the law that servicing is carried out by a competent person Advise that the under fuel bed lighting can be used at any time Demonstrate lighting the fire front with a spill or long match see diagram 7 1 ...

Page 19: ...ront be removed from its fixings by reversing the instructions in Section 5 and 6 h Unless stated otherwise reassembly of all components should be in the reverse order to that for removal i The back boiler should be serviced at this time refer to the Back Boiler Installation and Servicing Instructions j The combustion products discharge safety device MUST NOT be adjusted or disconnected If replaci...

Page 20: ...gram 8 2 Brush away any lint and dust from the burner etc 8 5 Combustion Products Discharge Safety Device Remove the burner refer to Section 8 3 Check the condition of the electrode and thermocouple clean with a soft brush To replace slide the silicone cover off the electrode disconnect the ignition lead remove the mounting bracket securing screws and the combustion products discharge safety devic...

Page 21: ...ram 8 5 place rod to one side when refitting make sure that the flat at the top faces the wall Remove gas tap bracket screws see diagram 8 5 and 8 6 Remove securing screws at each end of the burner see diagram 8 5 Release supply pipe union nut see diagram 8 6 Turn the whole assembly including the burner through 90o and lift out see diagram 8 7 and 8 8 To replace piezo unit straighten twist tags fi...

Page 22: ...d by the product guarantee Remove the coloured glass panel to gain access before replacing a failed bulb check that it is screwed in as these are Edison Screw bulbs SES See diagram 6 2 6 3 and 8 9 8 11 Light Switch Remove switch cover pull off wired tags Fit and connect new switch see diagram 8 10 8 12 Gas Tap Pilot Filter Gain access to the gas tap as Section 8 7 The filter which is very small is...

Page 23: ...that is earth continuity polarity and resistance to earth should be carried out as outlined in a multimeter instruction book Remove casing as in Section 3 1 Isolate the back boiler and fire front from the electrical supply Disconnect fire front electrical socket from plug see diagram 9 1 Refer to electrical fault finding diagram 9 3 functional flow diagram 9 2 On completion of the fault finding ta...

Page 24: ...ace Faulty Switch and Cable assembly replace Faulty Switch and Cable assembly replace NO YES Remove bulb holder from mountings Is there continuity between terminal L on plug and left hand bulb holder and terminal red cable with switch ON YES NO Switch OFF repeat above procedure Is there continuity NO YES Switch assy in order Individually test red and violet cables between bulb holders for continui...

Page 25: ... within 4mm of burner and operate piezo Spark across gap ignition Spark no ignition Replace faulty electrode and reassemble ignition system Spark across gap ignition Spark no ignition Ensure gap is within specified tolerance Turn tap to energise igniter Spark across gap ignition Spark no ignition Remove ignition lead from piezo unit and place screwdriver between appliance chassis earth and piezo u...

Page 26: ...with a range of 0 to 30 mV is required together with a thermocouple interrupter test unit Refer to fault finding diagram 9 3 and diagnosis graph diagram 9 4 9 5 and 9 6 9 4 Combustion Products Discharge Safety Device If the device operates it indicates there could be a problem with the chimney or the pilot filter in the gas tap is blocked First make sure air vents are free from obstructions by car...

Page 27: ...he OPEN CIRCUIT voltage Is voltage greater than 15mV Faulty thermocouple Replace combustion products discharge safety device Faulty thermocouple Replace combustion products discharge safety device Note the open circuit reading then measure the CLOSED CIRCUIT voltage Note this voltage Referring to the diagnosis graph mark the open circuit voltage on the VERTICAL axis and the closed circuit voltage ...

Page 28: ... 3 152 826 14 203769 Coal effect No 4 152 827 15 203790 Coal effect No 5 152 828 16 203791 Coal effect No 6 152 829 17 203792 Coal effect No 7 152 830 18 210136 Insulation side left hand No 1 136 852 19 210137 Insulation side left hand No 2 136 853 20 210138 Insulation side right hand No 1 136 854 21 210139 Insulation side right hand No 2 136 855 22 210140 Insulation rear 136 851 23 203761 Fuel gr...

Page 29: ...Supplied By www heating spares co Tel 0161 620 6677 29 221100C 5336 Diagram 10 1 13 25 26 24 14 15 17 23 20 9 12 8 11 16 21 22 19 18 10 27 1 2 3 6 7 4 1 0 R e p l a c e m e n t P a r t s ...

Page 30: ... with them Turn the thermostat control knob B to Off position that is fully anticlockwise Off to be against the pointer Push in and slightly turn gas control knob A clockwise until is against its setting point that is set to Off Push in slightly and turn gas control knob A anticlockwise until is against its setting point then push fully in and hold in At the same time press and release piezo butto...

Page 31: ...L KNOB D PIEZO UNIT BUTTON Diagram 11 1 TO FIRE FRONT TO BOILER br BROWN b BLUE r RED g y GREEN AND YELLOW KEY EARTH STUD PERMANENT LIVE 230V 50Hz MAINS SUPPLY FUSED AT 3A E N L N1 L SL N g y g y g y b b br b r br BROWN b BLUE bk BLACK g y GREEN AND YELLOW KEY bk bk br b br b g y br b bk br b g y g y g y L1 N1 SL1 L N SL2 TO BOILER 5341 FOUR WAY TERMINAL BLOCK SIX WAY TERMINAL BLOCK TO FIRE FRONT ...

Page 32: ...nts used in this appliance are cured and give no known hazard in this state FUELBEDS ARTIFICIAL FUEL after handling wash hands thoroughly GLASS YARN INSULATION PADS CERAMIC FIBRE These can cause irritation to skin eyes and the respiratory tract If you have a history of skin complaint you may be susceptible to irritation High dust levels are usual only if the material is broken Normal handling shou...

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