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0020008877-04

13 Replacement of Parts

13.11 Heat Exchanger

Refer to Manual Handling section on page 4.

For access, refer to section 13.1.

Refer to section 11.5 for removal of the fan, gas valve and
burner assembly.

Drain the boiler.

Remove the clip securing the clear condense pipe to heat
exchanger.

Pull to remove the clear condense pipe out of the bottom of the
heat exchanger.

Undo the two nuts of the flow and return pipes from the heat
exchanger, see diagram 13.4.

Move the pipes away from the heat exchanger.

Loosen the three heat exchanger securing screws and clamps
(two at the top and one at the bottom) to remove the heat
exchanger, see diagram 13.4.

CAUTION: There will be water in the heat exchanger.

Remove clear condense pipe connector from bottom of heat
exchanger.

13.12 Flue Hood

For access, refer to section 13.1.

Remove heat exchanger as per section 13.11.

Remove the two securing screws and pull the flue hood down
and away from the flue hood bracket and flue elbow, see
diagram 13.5.

13.13 Heating Flow Thermistor

For access, refer to section 13.1.

Refer to diagram 13.6.

Remove the electrical connections from the thermistor.

Remove the retaining clip from the flow pipe.

Remove the thermistor from the retaining clip.

Note that the polarity of the wiring to thermistors is unimportant.

13.14 Heating Return Thermistor

For access, refer to section 13.1.

Refer to diagram 13.6.

Remove the electrical connections from the thermistor.

Remove the retaining clip from the flow pipe.

Remove the thermistor from the retaining clip.

Note that the polarity of the wiring to thermistor is unimportant.

13.15 Overheat Thermostat

For access, refer to section 13.1.

Refer to diagram 13.6.

Remove the electrical connections from the overheat thermostat.

Remove the retaining clip from the flow pipe.

Remove the overheat stat from the retaining clip.

NOTE: When fitting new thermostat, please ensure that it is
located correctly onto the flat area of the pipe and the retaining
clip is secure.

Diagram 13.6

RETURN
PIPE

HEATING FLOW
THERMISTOR

HEATING RETURN
THERMISTOR

Diagram 13.4

FLOW AND RETURN
PIPE NUTS

SECURING SCREWS
AND CLAMPS (3 OFF)

OVERHEAT
THERMOSTAT

FLOW
PIPE

12453

FLUE HOOD

SECURING
SCREWS

Diagram 13.5

FLUE HOOD
BRACKET

11602

11404

IGNITER
UNIT

ELECTRICAL
CONNECTION

IGNITION
LEAD

Содержание 330

Страница 1: ...k To b e l e f t w i t h t h e u s e r Instructions for Use Installation and Servicing High Efficiency Condensing Boiler 0020008877 04 08 06 12373 G C No 41 047 75 British Gas 330 Customer Care Line Tel 0845 600 5100 ...

Страница 2: ...lation CONTENTS DESCRIPTION SECTION PAGE No Important Information 3 General Information 4 Appliance Safety Devices 5 Maintenance 5 Operating the Boiler 6 Technical Information 1 7 Boiler Location and Ventilation 2 9 Flue Location and Ventilation 3 10 Water System 4 12 Installation Preparation 5 14 Boiler Fixing 6 15 Gas Water and Condensate Connections 7 16 Flue Preparation Telescopic and Standard...

Страница 3: ...rth Gas Category The boiler is of the I2H category for use only with G20 Natural Gas Gas Safety Installation and Use Regulations In your own interests and that of safety it is the Law that ALL gas appliances are installed by a competent person in accordance with the current issue of the above regulations Testing and Certification The boiler is tested and certificated for safety and performance It ...

Страница 4: ...he boiler to allow for servicing Condensate Drain The condensate drain see section 7 3 must not be modified or blocked Pluming from flue terminal Like all condensing boilers this appliance will produce a plume of condensation from the flue terminal in cool weather This is due to the high efficiency and hence low flue gas temperature of the boiler It is normal and not a fault indication Cleaning Th...

Страница 5: ... mains reset switch off and on If the boiler does not resume normal operation after this the overheat stat may have operated Overheating Safety In the event of the boiler overheating the safety devices will cause a safety shutdown If this happens call your Installation Servicing company Frost Protection The appliance has a built in frost protection programme as long as the electricity and gas are ...

Страница 6: ...switch to the ON position I The control light will illuminate green indicating the boiler is lit diagram 1 The temperature of the central heating water can be adjusted by turning the central heating water temperature control knob to desired setting between Min and Max diagram 1 Max is approximately 82 C 180 F The digital display diagram 1 shows the temperature of the appliance when the appliance i...

Страница 7: ...ion The Current I E E Wiring Regulations sixteenth edition British Standard 7671 2001 requirements for electrical installations In IE the installation must be carried out by a competent person and installed in accordance with the current edition of I S 813 Domestic Gas Installations the current Building Regulations and reference should be made to the current ETCI rules for Electrical Installation ...

Страница 8: ...hevalueisusedintheUKGovernment s StandardAssessment Procedure SAP for energy rating of dwellings The test data fromwhichithasbeencalculatedhasbeencertifiedbyAdvantica 1 5 Condensate Drain A plastic drain pipe must be fitted to allow discharge of condensate to a drain Condensate should if possible be discharged into the internal household draining system If this is not practical discharge can be ma...

Страница 9: ...e 1 Section 1 Technical Information 2 2 Clearances The boiler should be positioned so that at least the minimum operationalandservicingclearancesareprovided seediagram 2 1 Additional clearances may be beneficial around the boiler for installation and servicing For flue installations where external access is not practicable consideration should be given for the space required to insert the flue int...

Страница 10: ...ablewithout the use of extensions or elbows A Max distance from outside wall face to min clearance LH 458mm RH 561mm Min distance from outside wall face to min clearance LH RH 75mm L FLUE C Max flue length 717mm 136 239 20mm min clearance A OUTSIDE WALL FACE 87min NOTE If necessary it is permitted to increase this dimension to 600mm max INTERNAL SURFACE L FLUE C Max flue length 589mm 136 239 20mm ...

Страница 11: ...inal clearance The terminal must be exposed to the external air allowing free passage of air across it at all times Being a condensing boiler some pluming may occur from the flue outlet This should be taken into consideration when selecting the position for the terminal NOTE If necessary it is permitted to increase the terminal protrusion through the outside wall to greater than the minimum dimens...

Страница 12: ...8 kW 22mm over 18 kW 28mm 4 5 Bypass A system bypass will be required fitted at least 1 5 metres away from the boiler refer to the current issue of the central heating system specifications CHeSS 4 6 Water Treatment In the case of an existing installation it is ESSENTIAL that prior to installing the new boiler the system is thoroughly flushed For optimum performance after installation of a new sys...

Страница 13: ... Safety Valve A safety valve must be fitted to a sealed system It shall be preset non adjustable with a lift pressure of 3 bar incorporating seating of a resilient material a test device and a connection for drain The drain from the safety valve must be routed outside the building must not discharge above an entrance or window or any type of public access area be clear of any electrical fittings a...

Страница 14: ...p 4 17 Filling a Sealed Water System Provision for filling the system at low level must be made see diagram 4 4 There must be no permanent connection to the mains water supply even through a non return valve We do not recommend filling using artificially softened water Diagram 4 4 11680 5 1 Appliance Pack IMPORTANT With regards to the Health and Safety Manual Handling requirements two persons shal...

Страница 15: ...s are designed with an internal fallof44mm metretowardstheboilerfordisposalofcondensate If the standard flue length alone is being used then the flue hole ofdiameter105mmcanbecutinthepositionmarkedonthewall template For standard side flues the horizontal flue centre line on the wall template should be extended to the side wall and the vertical centre of the flue hole marked at 176mm from the back ...

Страница 16: ... and the heating systems before connecting to the boiler 7 3 Condensate Drain Connection The condensate drain connection is at the rear of the boiler see diagram 7 1 A flexible condensate outlet pipe is supplied loose in the base polystyrene packaging The 900 end of the flexible condensate outlet pipe should be used to fit onto the spigot to discharge condensate to a drain The drain pipe 22mm to 2...

Страница 17: ...mm MIN TERMINATION FROM APPLIANCE EXTERNAL LENGTH OF PIPE 3M MAX 25mm MIN SEAL BOTTOM OF TUBE SEALED Ø100mm PLASTIC TUBE 300mm MIN GROUND either or 500mm MIN HOLE DEPTH 400mm MIN LIMESTONE CHIPPINGS 2 ROWS OF 3 x 12mm HOLES AT 25mm CENTRES 50mm FROM BOTTOM OF TUBE HOLES TO FACE AWAY FROM HOUSE External Soil and Vent Pipe or Rainwater Pipe Internal Soil and Vent Pipe External Termination into Soaka...

Страница 18: ...the Standard and Telescopic kit are shown in diagram 8 1 Additional flue accessories are available to suit your site conditions see diagram 8 2 12841 Diagram 8 1 TELESCOPIC TERMINAL ASSEMBLY SEALING COLLAR SEALING COLLAR SECURING COLLAR FLUE ELBOW GASKET fitted SEALING TAPE telescopic only Top Outlet Horizontal Concentric Flue Packs A2043600 Horizontal telescopic flue pack A2043400 Standard horizo...

Страница 19: ...he distance from the outside wall to the butt joint see diagram 8 3 If the measurement Y exceeds 652mm then the appropriate length of extension pipe is required The minimumdimensionis187mmtosuita75mmminwallthickness Top Rear flue Telescopic with the flue elbow temporarily fitted measure the distance from the outside wall to the butt joint see diagram 8 3 If the measurement Y exceeds 525mm then the...

Страница 20: ...emove collar and drill two 3mm diameter holes in the elbow take care not to pierce the inner flue duct Fit the collar and secure with screws provided see diagrams 8 8 standard rear 8 9 telescopic rear 8 10 standard side and 8 11 telescopic side Diagram 8 9 Diagram 8 10 Diagram 8 8 Diagram 8 11 13157 13156 13159 13158 BOILER MOUNTING WALL FACE DRILL AND SCREW COLLAR OUTSIDE WALL FACE INTERNAL TRIM ...

Страница 21: ...required it must be purchased Part No S1008600 Ensurethataseparateexternalcontrolscableandpumpsupply cable are fed to the boiler Refer to wiring diagram in section 12 The boiler is fitted with a connection box located at the base of the boiler into which all connections are made To gain access to the connection box remove the two retaining screws indicated in Diagram 9 1 and carefully lower and pu...

Страница 22: ...upply Drain the entire system rapidly whilst hot using the drain tap at the lowest part of the system Following completion of the hot flush add inhibitor to the system Diagram 10 1 INNER CASING PANEL CASING PANEL 12361 SECURING SCREWS SECURING SCREW 2 OFF 9 2 Electrical connections testing Carry out preliminary electrical system checks as below 1 Test insulation resistance to earth of mains cable ...

Страница 23: ...red i e ignition failure The water temperature control knob allows the user to set the desired temperature Temperature Display The digital display normally shows the operating temperature of the unit 10 3 Preparation for Lighting Isolate the boiler from the mains electrical supply Test for gas soundness and purge air from the gas supply Turn on the gas service cock slot in line with the length of ...

Страница 24: ...After a power cut or every 24 hour in frost setting summer mode the pump will run for one minute to prevent it from sticking This will also occur during normal operating if there is no demand for more than 24 hours 10 10 Frost Protection The boiler has a built in frost protection programme as long as the electricity and gas are left switched on This device operates the burner and system pump when ...

Страница 25: ...tion from the flue terminal in cool weather This is due to the high efficiency and hence low flue gas temperature of the boiler Advisetheuseroftheprecautionsnecessarytopreventdamage to the system boiler and the building in the event of the heating system being out of use during frost or freezing conditions Advise the user that the permanent mains electrical supply SHOULD NOT be switched off as the...

Страница 26: ...ue gas analyser is not available remove the outer and inner case see diagram 10 1 and taking care not to touch any components check the flame picture through the viewing window diagram 11 1 Should the flame show signs of lift sooting or appear yellow then it will be necessary to service the burner if the servicing does not correct the condition then proceed to the combustion test described in sect...

Страница 27: ...E TRAP GAS SERVICE COCK GAS SUPPLY PIPE IN GAS PIPE BRACKET SECURING SCREW SEALING GROMMET UNION NUT Diagram 11 2 12295 STEP 1 STEP 2 STEP 3 BOTTOM COVER REMOVAL SECURING SCREW 2 OFF SPARK GAP Diagram 11 4 GASKET SPARK ELECTRODE 3 5 to 4 5mm EARTH LEAD 11410 ...

Страница 28: ...combustion chamber complete with the gas pipe bracket and seal Clean the burner with a soft brush taking great care not to damage the front insulation DO NOT use wire or sharp instruments to clean the holes of the burner Inspect the burner for any signs of damage Removal of the burner is not necessary during a normal service see diagram 11 7 NOTE IF THE BURNER HAS TO BE REMOVED IT WILL REQUIRE A N...

Страница 29: ...GH BURNER DOOR SHOWING POSITION OF SEAL 11 Servicing Diagram 11 7 FAN GAS PIPE BRACKET AND SEAL 13495 NYLOC SECURING NUTS 5 OFF BURNER Diagram 11 8 113438 GASKET SECURING SCREW 4 BURNER DOOR COMBUSTION CHAMBER SEAL BURNER GAS VALVE ...

Страница 30: ...service potentiometer fully clockwise see diagram 11 10 This will allow the digital display to indicate the flashing fan speed on the appliance fascia This should correspond to the range rated output of the boiler as indicated on the boiler data label If the appliance is set to 18kW and the security label on the Pmax potentiometer is intact this is the maximum output for the boiler If the seal is ...

Страница 31: ...cal Testing Shouldtherebeanydoubtaboutthevoltagesupplytoanyofthe components it is possible to carry out a simple electrical test Important On completion of the Service Fault Finding tasks which have required the breaking and remaking of the electrical connections the earth continuity polarity short circuit and resistance to earth checks must be repeated using a suitable multimeter To carry out the...

Страница 32: ...32 0020008877 04 12 Fault Finding Diagram 12 2 12933 ...

Страница 33: ...33 0020008877 04 12 Fault Finding 12191 Diagram 12 3 ...

Страница 34: ...34 0020008877 04 12 Fault Finding Diagram 12 4 12188 ...

Страница 35: ...valve plastic swirl plate to the venturi on the fan Remove the gas valve Remove the gas supply pipe from the gas valve When refitting the gas valve take care as it can be fitted more than one way After assembly test for gas soundness and purge in accordance with the current issue of BS6891 or in IE the current edition of I S 813 Domestic Gas Installations Once the appliance has been reassembled ap...

Страница 36: ... to section 11 5 for removal of the fan gas valve and burner assembly Remove the four screws that secure the burner NOTE THE BURNER WILL REQUIRE A NEW GASKET WHEN REFITTED 13 8 Front Insulation For access refer to section 13 1 Refer to section 11 5 for removal of the fan gas valve and burner assembly Remove burner as per section 13 7 Remove spark electrode see section 13 2 NOTE THE BURNER WILL REQ...

Страница 37: ...s refer to section 13 1 Refer to diagram 13 6 Remove the electrical connections from the thermistor Remove the retaining clip from the flow pipe Remove the thermistor from the retaining clip Note that the polarity of the wiring to thermistors is unimportant 13 14 Heating Return Thermistor For access refer to section 13 1 Refer to diagram 13 6 Remove the electrical connections from the thermistor R...

Страница 38: ...y Reassemble and refit the condensate trap IMPORTANT Please remove spigot bung before fitting condensate drain connection Using a suitable container flush the heat exchanger until the water appears clear in the container Reassemble adapter 13 17 Inner Casing Sealing Panel Refer to section 11 9 13 18 Access to Switches User Interface and 230v controls Interface For access refer to section 13 1 Rele...

Страница 39: ...the name of the appliance and serial number to be found on the data label see diagram 1 2 If ordering from British Gas also quote the G C number of the part 13 22 Main PCB For access refer to section 13 1 Hinge down the control box see diagram 13 11 Remove TORX screws and unhook the rear panel Remove the electrical connections to the PCB Prise back the two PCB retaining clips and withdraw the PCB ...

Страница 40: ...of packaging in a responsible manner Recommend wear suitable cut resistant gloves with good grip to protect against sharp edges and ensure good grip when handling appliance outside packaging Positioning of Appliance for Final Installation no obstructions Recommend 2 persons lift appliance to position into place Fit bracket securelyontowallbeforeliftingapplianceintoposition Obtainfirmgrip on front ...

Страница 41: ...ark electrode E83999 3 801655 Igniter unit E84015 4 2000802452 Gas valve assembly H20596 5 801722 Heating flow and return thermistor 2 E84003 6 801724 Overheat stat E83996 7 2000802731 Main P C B H27 795 8 2000802779 Mains Reset Switch H20701 9 2000802751 User interface H20600 10 2000801702 Burner E84249 11 2000801923 230V Controls Interface E84018 ...

Страница 42: ...42 0020008877 04 ...

Страница 43: ...g to boiler burning gaseous fuels 73 23 EEC including amendments Directive on the harmonization of the laws of Member States relating to electrical equipment designed for use within certain voltage limits 89 336 EEC including amendments Directive on the approximation of the law of the member states relating to electromagnetic compatibility Designed and built to CE type examination certificate PIN ...

Страница 44: ...our constant endeavour for improvement details may vary slightly from those shown in these instructions Manufactured by Glow worm exclusively for British Gas Glow worm Nottingham Road Belper Derbyshire DE56 1JT www glow worm co uk ...

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