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221763A

9 Replacement of Parts

Disconnect the pilot tube nut, ease out the tube and injector
which is hooked on to the pilot tube.

Remove the nut retaining the spark electrode and remove.

Remove the two screws and nuts securing the pilot burner and
shield to the combustion chamber cover.

When fitting the spark electrode to the pilot burner, check that
the gap is as shown in diagram 7.2.

Hook pilot injector over pilot tube olive when refitting.

Check that the pilot flame length is as shown in diagram 7.2.

Replace thermostat phial as Section 8.5.

9.5 Spark Electrode

Gain access to the boiler as Section 8.1.

Disconnect the thermocouple nut and withdraw thermocouple
from pilot burner, see diagram 9.2.

Disconnect the nut retaining the spark electrode and remove.

When reassembling check that spark gap is as shown in
diagram 7.2.

9.6 Insulation Panels

Gain access to the boiler as Section 8.1.

Remove the burner assembly as Section 8.2.

Remove the two screws retaining each side insulation panel
within the combustion chamber and remove panel, see diagram
9.3.

Release the rear insulation panel upper clips and lift panel out.

Refit thermostat phial as Section 8.5.

9.7 Boiler Thermostat

Follow the relevant instructions in Section 8.1.

Remove the mains inlet connector by pulling downwards, see
diagram 8.1.

Remove the retaining split pin from the phial pocket then
withdraw the phial and capillary, see diagram 4.5.

Pull off the thermostat control knob.

Gain access to inside of the control box by removing the
securing screw located at the top of control box and unhooking
at the bottom, see diagram 9.4.

Remove the two screws which secure the boiler thermostat to
the control box, see diagram 9.4.

Tilt the thermostat so that the electrical connections can be
removed.

Withdraw boiler thermostat from control box complete with
capillary tube and phial.

Refer to diagram 9.5 to connect electrical connectors.

Replace the thermostat phial as the relevant part of Section 8.5.

Make sure that the capillary is positioned so that it passes
through the cut out in the control box, see diagram 9.4.

INSULATION PANELS

Diagram 9.3

BAFFLE
TRAY

SIDE
INSULATION
PANEL

6044

REAR
INSULATION
PANEL

SCREW

CLIP

GRAPHITE
COATED
NUT

COMBUSTION
CHAMBER
BAFFLE

PILOT ASSEMBLY

Diagram 9.2

0935

PILOT
INJECTOR

PILOT
TUBE

PILOT
BURNER
ASSEMBLY

PILOT
SHIELD

SPARK
ELECTRODE

SECURING SCREW (2)
AND NUT (2)

THERMOCOUPLE

IGNITION LEAD
(CLEAR END)

9013

Diagram 9.1

REMOVAL OF GAS VALVE

GAS
VALVE
PLUG

GAS
VALVE

THERMOCOUPLE
NUT

GAS
OUTLET
FLANGE
SCREW
(4)

PILOT TUBE
NUT

Содержание Hideaway 70B

Страница 1: ...ervice number 01773 828100 Our Guarantee gives you peace of mind plus valuable protection against breakdown by covering the cost of Guarantee Registration Balanced Flue Boiler This is a Cat I2H Appliance BS 6332 BS 5258 Reference 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 The instruc...

Страница 2: ... 0086 The CE mark on this appliance shows compliance with 1 Directive 90 396 EEC on the approximation of the laws of the Member States relating to appliances burning gaseous fuels 2 Directive 73 23 EEC on the harmonization of the Laws of the Member States relating to the electrical equipment designed for use within certain voltage limits 3 Directive 89 336 EEC on the approximation of the Laws of t...

Страница 3: ...the installation engineer on completion of commissioning and servicing All CORGI Registered Installers carry a CORGI ID card and have a registration number Both should be recorded in your boilerLogbook YoucancheckyourinstallerisCORGIregistered by calling CORGI direct on 01256 372300 Boiler Electrical Supply WARNING This boiler must be earthed The boiler must only be connected to a 230V 50Hz supply...

Страница 4: ...sired setting between MIN and MAX For longer periods depress slightly and turn gas control knob A fully clockwise until is against its setting point Turn thermostat control knob B anticlockwise to O Isolate the boiler from the electrical supply Follow full lighting procedure to relight Refer also to Protection Against Freezing Gas Leak or Fault If a gas leak fault exists or is suspected the boiler...

Страница 5: ...tings The boiler heat input is factory preset to its maximum rating This should be adjusted to suit individual system requirements The arrow indicator from the loose items pack should be stuck on the data label to indicate the setting 1 3 Sheet Metal Parts WARNING When installing or servicing this boiler care should be taken to avoid any possibility of personal injury when handling sheet metal par...

Страница 6: ...500 Table 16 must be used for all connections within the boiler casing 1 8 Boiler Location This boiler is not suitable for outside installation The boiler may be installed in any room although particular attention is drawn to the requirements of the current issue of BS7671 with respect to the installation of the boiler in a room containing a bath or shower Any electrical switch or boiler control u...

Страница 7: ...nd having an open vent in the system The boiler must not be connected to a sealed water system 2 2 Inhibitor Attention is drawn to the current issue of BS5449 and BS7593 on the use of inhibitors in central heating systems When an inhibitor is to be used in the system contact should be made with an inhibitor manufacturer so they can recommended their most suitable product When using in an existing ...

Страница 8: ...rd pack is 424604 Diagram 2 2 FULLY PUMPED SYSTEM DIAGRAMMATIC 0870 1 metre MIN 27metres MAX PUMP To Heating Circuit TO INDIRECT CYLINDER 22mm VENT 15mm COLD FEED Distributor tube in pumped return connection BOILER C L DRAIN OFF COCK 2 8 Drainage A drain tap must be provided at the lowest points of the system which will allow the entire system including the boiler and domestic hot water cylinder t...

Страница 9: ...the Compartment Air Vent Table Boththehighlevelandthelowlevelairventsmustcommunicate with the same room or must both be on the same wall to outside air 4 Installation Before fixing the boiler make sure that the location selected is in accordance with the requirements of Section 1 8 Boiler Location 4 1 Unpacking Remove the packaging and then the boiler from its pallet by removing the screws The boi...

Страница 10: ...ed inside the boiler casing see diagram 6 2 ensure that a heat shield kit is obtained and fitted Kit No 425838 The kit contains a flueway cleaning door with heat shield attached 4 7 Positioning Connecting Boiler If the boiler casings are to fit flush with any kitchen units the distance the boiler is away from the wall must be measured and dimension G increased by this amount see diagram 1 1 Having...

Страница 11: ...n for soundness and purge in accordance with the current issue of BS6891 When the boiler is finally positioned with the balanced flue duct sticking out into the prepared hole in the wall and pipework connected make good to the inside of the wall face around the boiler flue assembly 4 8 Balanced Flue Terminal Take the balanced flue assembly from its carton and remove the four screws to release the ...

Страница 12: ...th the boiler and can be fitted at the rear of the left or right hand side casing The grille is fitted on the opposite side to any pipework connections If required fit the grille using plastic pegs at the top and bottom see diagram 5 1 prior to fixing the side casing The plastic pegs areatightfit sotheyarebestpushedhomewithaflatfacedtool Discard the grille if water connections are made on both sid...

Страница 13: ... SIDE CASING L H MAX MID MIN MIN BOILER PLINTH FRONT CASING BRACKET MID No 8 SCREW 4 UPPER CASING BRACKET LOCATING LUG AND SLOTS 0886 5 3 Top Casing The top casing can be fitted in four alternative positions that is with either a rolled or square front edge flush with the door or overhanging it Select either a rolled or square front edge and for a flush fitting top casing fit four plastic pegs int...

Страница 14: ...e as above must be used if the pump is to be fitted inside the casing SupportthecableinasimilarmannertoControlBoxConnection only fit clips to the casing at P or AP as diagram 6 2 6 3 System Controls The electrical installation must be made in accordance with the current issue of BS7671 The electrical isolator must isolate both the appliance and system controls 6 4 Testing Checks to ensure electric...

Страница 15: ... on again until 3 minutes have elapsed Make sure that the pilot is alight and stable see diagram 7 2 for the approximate flame length Switch on the electrical supply Set any remote controls so that they are calling for heat Turn control knob A to main burner position Set the thermostat control knob B between MIN and MAX the main burner will light MAX is about 82o C 180o F Test for gas soundness ar...

Страница 16: ...er for their retention making sure that they are understood Advise that to ensure the continued efficient and safe operation of the boiler it is recommended that it is checked and serviced at regular intervals The frequency of servicing will depend upon the particular installation and usage but in general once a year should be enough Draw attention if applicable to the current issue of the Gas Saf...

Страница 17: ...des of the chamber Remove the self tapping screws which retain the flueway cleaning door and lift door clear see diagram 8 3 Remove flueway baffles see diagram 8 6 Place a sheet of paper in the combustion chamber to catch any flue debris Access for flueway cleaning is made through the cleaning door and combustion chamber apertures Thoroughly clean boiler flueways and fins from top and bottom with ...

Страница 18: ...rder to removal 9 1 Gas Valve Gain access to boiler see Section 8 1 Disconnect the gas valve plug thermocouple nut and pilot tube connections at the gas valve see diagram 9 1 Support the valve and remove the four right hand flange screws to disconnect the gas valve from the burner supply pipe Ease the gas service cock union out and remove the valve taking care not to damage the O ring seal at the ...

Страница 19: ... Boiler Thermostat Follow the relevant instructions in Section 8 1 Remove the mains inlet connector by pulling downwards see diagram 8 1 Remove the retaining split pin from the phial pocket then withdraw the phial and capillary see diagram 4 5 Pull off the thermostat control knob Gain access to inside of the control box by removing the securing screw located at the top of control box and unhooking...

Страница 20: ...rode 9 10 Electrical Control Box Gain access to the boiler as Section 8 1 Disconnect the mains inlet connector see diagram 8 1 Remove the thermostat phial by removing the retaining split pin from the phial pocket and withdrawing the phial see diagram 4 5 Disconnect the gas valve plug from the valve see diagram 9 1 Pull the ignition lead off at the piezo unit see diagram 9 4 Remove the electrical c...

Страница 21: ...ntinuity Check that all remote time or temperature controls are calling for duty Turn boiler thermostat to maximum Connect ohmmeter across thermostat terminals NC and C Is there continuity Faulty cable renew Faulty thermostat renew Faulty cable renew Faulty cable renew Turn boiler thermostat OFF Is continuity interrupted Connect ohmmeter and check the continuity of brown cable between terminal L o...

Страница 22: ...ctional control Check that all connections are clean and in good condition Fit test meter interrupter into the magnet unit Fit appliance thermocouple into the test meter interrupter NO YES Hold down control tap in ignition position Ignite burner allowing thermocouple to attain operating temperature Measure the OPEN CIRCUIT voltage Is voltage greater than 15mV Faulty thermocouple Replace Note the o...

Страница 23: ...nvelop thermocouple Check aeration If necessary Clean pilot rectify blockage in pilot injector or replace Check thermocouple circuit using Thermocouple and Boiler Overheat Cut Off fault finding On pressing piezo unit button is there a spark across electrode gap Pull ignition lead off electrode Hold end of lead close to pilot burner and operate piezo unit Is there a spark across gap Pull ignition l...

Страница 24: ...otetheGCnumberofthepart and appliance 9014 3 5 8 9 10 4 7 6 12 1 2 11 Diagram 11 1 Key No Part No Description GC No 1 800001 Gas control valve 2 205749 Injector 3 203414 Pilot burner 312 426 4 203508 Injector pilot 395 674 5 202407 Thermocouple c w nut 392 850 5 202415 Thermocouple c w nut 6 202571 Thermostat c w screws 7 204687 Control knob assy thermostat 8 202713 Piezo unit 9 WW4609 Ignition le...

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