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Glow-worm 38cxi, Инструкция по использованию, установке и обслуживанию

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35

2000225065A

14  Replacement of  Parts

14.1 General

Replacement of parts must be carried out by a competent
person.

Before replacing any parts the boiler should be isolated from the
mains electric supply and the gas should be turned off at the
service cock on the boiler, see diagram 8.1.

Unless stated otherwise parts are replaced in the reverse order
to removal.

After replacing any parts always test for gas soundness and if
necessary carry out functional test of the controls.

For replacement of parts the front casing and the inner casing
panel of the boiler will need to be removed.  To remove undo the
two screws on the underside of the front casing and lift off.  Undo
the two screws on the front of the inner front panel and lift off.

The side panels can be hinged sideways to aid replacement of
parts.

To hinge a side panel undo and remove the three screws
securing each side panel to the boiler, two at the front and one
at the top.

14.2 Spark Electrode

For access, refer to section 14.1.

Remove the spark plug lead, earth lead and two securing
screws.  Withdraw the spark electrode carefully from the
combustion chamber, see diagram 12.2.

14.3 Igniter Unit

For access, refer to section 14.1.

Remove ignition lead and electrical connections then remove
igniter unit by removing two securing screws, see diagram 14.1.

14.4 Ignition Lead

For access, refer to section 14.1.

Refer to diagram 12.5.

Pull the spark plug style connector off the spark electrode and
the spade connector connected to the igniter unit,
see diagram 14.1.

14.5 DC Fan supply

For access, refer to section 14.1.

Refer to diagram 14.2.

Unplug white plastic plug from the DC fan supply.

Drop down control panel to the service position, see diagram
12.13.

Undo the three screws securing rear cover and lift off.

Unplug DC fan supply lead from main PCB, see diagram 14.3.

Release cable grip located on boiler case.

Remove DC fan supply cable from retaining clip located to the
right of cable grip.

Undo the two screws securing DC fan supply.

Hinge right hand side panel, refer to relevant part of section
14.1.

Remove DC fan supply and lead.

Diagram 14.3

MAIN PCB

Diagram 14.2

DC FAN
SUPPLY

11420

PLUG

CABLE
GRIP

SECURING
SCREW
(2)

Diagram 14.1

IGNITER UNIT

IGNITION
LEAD

ELECTRICAL
CONNECTIONS

SECURING
SCREWS (2)

SPADE
CONNECTOR

COVER
SECURING
SCREWS

DC FAN SUPPLY
CONNECTION

FUSE

RETAINING CLIPS

11491

11492

Содержание 38cxi

Страница 1: ...elper Derbyshire DE56 1JT To b e l e f t w i t h t h e u s e r Instructions for Use Installation and Servicing 24cxi 30cxi 38cxi G C No 47 047 23 G C No 47 047 24 High Efficiency Condensing Combinatio...

Страница 2: ...m the date of manufacture whichever is the shorter for labour The second year of the parts guarantee from the beginning of the 13th month onwards after installation or manufacture is conditional upon...

Страница 3: ...allation Preparation 6 18 Flue Preparation 7 20 Gas Water Connections and Boiler Fixing 8 22 Safety Valve Discharge and Condensate Connections 9 23 Electrical Connections 10 24 Commissioning 11 26 Ser...

Страница 4: ...to the lavatory If you do suffer irritation to the eyes or severe irritation to the skin seek medical attention The insulation is composed of non combustible material Electrical Supply WARNING The boi...

Страница 5: ...room The boiler has a top outlet flue connection and can be fitted with horizontal flue vertical flue or twin pipe flue Refer to flue options guide for further information this is available from your...

Страница 6: ...end upon the particular installation conditions and usage refer to guarantee registration on the inside front cover of this literature If this appliance is installed in a rented property there is a du...

Страница 7: ...Check that the electrical supply to the boiler is ON at the external isolator 6 Set any remote controls as required 7 Turn the mains reset on off switch to the ON position I see diagram 1 The control...

Страница 8: ...IDE FRONT COVER OF THIS BOOKLET To Turn the Boiler Off There is a mains reset switch on the right hand side of the controls fascia which will isolate the boiler However it is preferable to leave the e...

Страница 9: ...opriate Buildings Regulations either The Building Regulations The BuildingRegulations Scotland The Building Regulations Northern Ireland The Water Fittings Regulations or Water byelaws in Scotland The...

Страница 10: ...at least one radiator not fitted with a thermostatic valve Note For further information see the supplementary guide provided by the DTLR Domestic heating hot water guide to the building regs 2001 par...

Страница 11: ...onsideration should be given for the space required to insert the flue internally which may necessitate clearance larger than those specified in diagram 2 1 2 3 Timber Frame Buildings If the boiler is...

Страница 12: ...installed from inside the building when access to the outside wall face is not practicable 3 3 Flue Options There are various flue systems to choose from as follows Standard horizontal flue pack Pt N...

Страница 13: ...e terminal or the terminal could be subject to damage If a terminal guard is required it must be positioned to provide minimum of 50mm clearance from any part of the terminal and be central over the t...

Страница 14: ...1 76 gallons with a charge pressure of 0 5bar Note The expansion vessel volume depends on the total water systemvolumeandtheinitialsystemdesignpressure Guidance on vessel sizing is also given in the c...

Страница 15: ...pressurise the system to 1 bar indicated on the digital display with no demand Note that the electrical supply to the appliance has to be switched on to enable the pressure to be read in the digital d...

Страница 16: ...ressure reducing valve must be fitted in the supply to the boiler 5 2 Hard Water Areas The temperatures within the heat exchanger are limited by the boiler control system to minimise scale formation w...

Страница 17: ...tinthepositionmarkedonthewall 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...

Страница 18: ...the fixing jig Fix the wall products to the wall using suitable screws Locate the jig plate between the wall brackets and secure with the screws supplied 6 5 Pre Plumbing The fixing jig can now be pr...

Страница 19: ...e system is made up from a standard horizontal flue kit and accessories The accessories include flue extensions 45o and 90o bends and fixing brackets The maximum permitted straight flue length is 10 m...

Страница 20: ...d flue ducts has been correctly cut to the instructions given in sections 7 1 7 2 the rubber sealing collar should fit flush with the outside wall check this Position securing collar centrally over jo...

Страница 21: ...tallation including the meter should be inspected tested for soundness and purged in accordance with the current issue of BS6891 and in IE the current edition of I S 813 Domestic Gas Installations 8 2...

Страница 22: ...f 32mm diameter to prevent freezing in adverse weather conditions The condensate is discharged periodically in slugs by siphonic action Diagram 9 1 11482 CAP CONDENSATE DRAIN DRAIN CONNECTION 9 Safety...

Страница 23: ...tified as to its use A fused three pin plug and shuttered socket outlet may be used instead of a fused spur box provided that a They are not used in a room containing a fixed bath or shower b Both the...

Страница 24: ...lectrical system checks as below 1 Test insulation resistance to earth of mains cables 2 Test the earth continuity and short circuit of cables 3 Test the polarity of the mains Please ensure the Benchm...

Страница 25: ...reparation 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 see diagram 8 1 11 4 Initial Lighting...

Страница 26: ...emperatures selected By turning the domestic hot water and central heating control knobs to minimum setting the holiday mode is set up However frost protection and pump exercise programme remain activ...

Страница 27: ...nd 12 5 Inspect the tips for damage Clean away any debris and check the spark gap is 3 5 to 4 5 mm Check the electrode gasket for signs of damage and replace if necessary 12 3 Burner Drop down the con...

Страница 28: ...off the siphon adapter Remove the drain connection downstream of the condense drain Remove DC fan supply refer to section 14 5 Remove the condense trap securing screws Lift up and carefully remove th...

Страница 29: ...24cxi 57 for30cxiand57for38cxi ChecktheCO2 value which should be 9 1 0 2 0 5 Note that with the inner case front panel fitted the combustion readings will increase slightly to 9 3 0 3 0 5 If adjustme...

Страница 30: ...the filter to clean or renew if necessary see diagram 12 9 Replace the filter into its housing and replace the securing clip Open the cold water isolating valve and test the Domestic Hot Water circui...

Страница 31: ...1 After servicing or replacing parts close the drain valve and remove the hose Open the heating flow and return isolating valves and refill vent and pressurise the heating circuit See section 11 2 Che...

Страница 32: ...LS 230V SWITCHED LIVE FROM OPTIONAL FROST STAT REMOVE THE LINK IF FITTING VOLTAGE FREE OR 230V SYSTEM CONTROLS IF THE LINK IS NOT REMOVED THE BOILER WILL RUN CONTINUOUSLY MAINS VOLTAGE HEATING CONTROL...

Страница 33: ...lacement work Always check for gas soundness after any service work NOTE If the DHW control is set for pre heat the boiler will start as soon as power is supplied to it if there is no heating demand S...

Страница 34: ...ctrode carefully from the combustion chamber see diagram 12 2 14 3 Igniter Unit For access refer to section 14 1 Remove ignition lead and electrical connections then remove igniter unit by removing tw...

Страница 35: ...ess refer to section 14 1 Refer to section 12 3 for removal of the fan gas valve and burner assembly Remove the gas control valve as described in the relevant parts of section 14 6 Remove the venturi...

Страница 36: ...Remove steel washer Remove glass Remove fibre washer Replace in reverse order 14 12 Expansion Vessel For access refer to section 14 1 Refer to section 12 9 and drain the boiler heating circuit Undo t...

Страница 37: ...move heat exchanger as per section 14 13 Remove the two securing screws and pull the hood down and away from the flue hood bracket and flue elbow see diagram 14 12 14 15 Diverter Switch For access ref...

Страница 38: ...tional test of the controls 14 19 Heating Flow Thermistor For access refer to section 14 1 Refer to diagram 14 17 Remove the electrical connections from the thermistor Remove the retaining clip from t...

Страница 39: ...solation valve and slowly open a hot water tap to remove air Close the hot water tap and check for any leaks 14 24 Low Water Pressure Sensor For access refer to section 14 1 Refer to section 12 9 and...

Страница 40: ...the retaining clip to remove the bypass valve Fit new O rings Replace the bypass valve refill vent and pressurise the boiler Adjust the bypass as described in commissioning see section 11 6 Check for...

Страница 41: ...y pipe from the gas cock and the gas valve refer to relevant parts of section 12 3 Undo the central heating flow pipe connection into the left hand hydroblock see diagram 14 26 Undo the nut connecting...

Страница 42: ...emove the securing screw see diagram 14 26 Lift out the left hand hydroblock Remove the remaining components for refitting into the replacement left hand hydroblock Refill vent and pressurise the boil...

Страница 43: ...etaining clip to remove the drain point refer to section 14 32 Undo two securing screws on underside of the right hand hydroblock Remove right hand hydroblock from plate to plate heat exchanger using...

Страница 44: ...electrical connections to the PCB Prise back the two PCB retaining clips and withdraw the PCB see diagram 14 30 When refitting the rear panel ensure the leads are not trapped refer to diagram 14 3 14...

Страница 45: ...worm sown service organisation using the telephone number on the inside front cover of this booklet 15 Spare Parts 14 Replacement of Parts PCB DC Fan Supply For access refer to section 14 1 Refer to d...

Страница 46: ...47 2000225065A 15 Spare Parts 9307 1 2 3 4 16 14 7 8 9 10 11 12 13 15 5 6 17 18 21 20 19 22 Diagram 15 1...

Страница 47: ...48 2000225065A Because of our constant endeavour for improvement details may vary slightly from those shown in these instructions...

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