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221680G

14 Replacement of Parts

Diagram 14.17

UNION (4)

SEALING
WASHER

AUTOMATIC
AIR VENT

CAP

LOCATION
SLOT

7248

Diagram 14.18

7246

WATER FLOW
SENSOR

Diagram 14.19

7245

UNION NUT

CONNECTOR

AIR
PRESSURE
TUBES

SECURING
SCREW (2)

ELECTRICAL
CONNECTION (3)

AIR
PRESSURE
SWITCH

RED

WHITE

14.25 Air Pressure Switch

Before starting refer to Section 11.

Disconnect the electrical connectors at the microswitch, see
diagram 14.19.

Disconnect the air pressure tubes.

Remove pressure switch see diagram 14.19.

14.26 Heat Exchanger

Before starting refer to Section 11.

Release the water pressure and drain the domestic hot water
and central heating, refer to Sections 11.3 and 11.6.

Remove the fan from the flue collector, refer to Section 14.1.

Remove the flue collector, secured with two screws, see diagram
14.2.

Remove the combustion chamber cover, see diagram 14.1.

Remove the main burner, refer to Section 14.2.

Remove the automatic air vent, see diagram 14.17.

If renewing the heat exchanger, transfer the air vent to the new
one, using the new sealing washers supplied.

Disconnect the union nuts of the heat exchanger to remove it.
Take care there may be some water retained in the heat
exchanger.

Discard the sealing washers and use the new ones supplied,
upon assembly.

Locate the raised location tabs on the combustion chamber
sides into the slots on the heat exchanger, when fitting.

Make sure that the main burner is located on the main injector
and is horizontal, the tips of the rear most blade under the two
burner guides.

The combustion chamber front panel should be fitted loosely,
then the flue collector also fitted loosely, ensuring that it is
seated correctly on the heat exchanger and over the top edge
of the front panel.

Locate the fan into the flue elbow and the clip at the rear, then
secure with the two screws.

Содержание COMPACT 100p

Страница 1: ...Glow worm appliances are manufactured to the very highest standard so we are pleased to offer our customers a Comprehensive First Year Guarantee In the centre pages are to be found your Guarantee Reg...

Страница 2: ...tain voltage limits 3 Directive 89 336 EEC on the approximation of the Laws of the Member States relating to electromagnetic compatibility Substances Hazardous to Health The adhesives and sealants use...

Страница 3: ...should be readily accessible and preferably adjacent to the appliance It should be identified as to its use Alternatively a fused 3A 3 pin plug and shuttered unswitched socket may be used Thecoloursof...

Страница 4: ...With both AUTO and RUN switches set to the central position press R reset button the display will flash 2 Set RUN switch to 3 Set day of week by pressing button DAY 4 Set time of day by pressing butto...

Страница 5: ...er To achieve the same outlet water temperature in the winter it will be necessary to reduce the water flow rate using the hot water tap Summer Winter Selector Button Forcentralheatingsetbutton J toWi...

Страница 6: ...h particular regard to edges The boiler casing can be cleaned using a mild liquid detergent with a damp cloth then a dry cloth to polish Do not use any form of abrasive or solvent cleaner as you may d...

Страница 7: ...data label is on the inner case cover see diagram 1 2 1 6 Data See table 1 and diagrams 1 1 1 2 1 3 The Seasonal Efficiency Domestic Boilers UK SEDBUK is 71 6 ThevalueisusedintheUKGovernment sStandard...

Страница 8: ...75mm2 24 0 20mm 1 General Data HEPWORTHHEATINGLTD BELPER DERBYS DE561JT COMPACT 100P 457401 SERIAL HEATING CIRCUIT PMS 2 5 bar DOMESTIC CIRCUIT PMW 10 bar SPECIFIC WATER RATE 14 03 l min No GCNo 47 04...

Страница 9: ...ion of the boiler will be in an unusual position the current issue of BS6798 gives detailed guidance on these requirements An existing cupboard or compartment modified for the purpose may be used prov...

Страница 10: ...blies are designed for internal installation given that there is sufficient clearances opposite to the flue for the installation of the flue If there is insufficient clearance the flue can be installe...

Страница 11: ...he point of connection that is the height of the top point of the system above the expansion vessel 4 6 Flow Rate If required a valve can be incorporated in the main flow or return of the system valve...

Страница 12: ...minimum and maximum working pressures of the domestic hot water circuit of the boiler refer to diagram 1 2 If the cold water supply pressure exceeds the maximum a governor must be fitted in the supply...

Страница 13: ...emplate If connecting from above a piping kit 457160 is available and is recommended If necessary temporarily fit the boiler Flush out the domestic water and heating system before connecting the boile...

Страница 14: ...TIONAL 3 METRES WITH THE USE OF THE 1 METRE EXTENSION KITS NOTE THIS APPLIES TO STANDARD KITS ONLY 7506 7 1 Flue Position and Length Determine flue application length and terminal position before star...

Страница 15: ...r kit must be used in place of the one supplied with the flue pack see diagram 7 3 for position of self adhesive seal 7 5 Top Outlet Side Flue Fixing Make good the area around the flue inside and outs...

Страница 16: ...ice cock bracket see diagram 8 3 Fit the flow restrictor into the domestic water inlet see diagram 8 4 Secure all the tubing nuts finger tight plus 3 4 turn maximum Connect the gas pipe to the isolati...

Страница 17: ...CTS PROBE 8 Mounting the Boiler and Flue Fitting Diagram 8 3 SECURING SCREW 2 SERVICE COCK BRACKET BOILER SECURING LUG Note The lug must be positioned on top of the service cock bracket 8083 Diagram 8...

Страница 18: ...al controls and wiring are required to provide a minimum of reinforced insulation at 250Vrms between the parts of those devices operating at mains hazardous voltage and the user accessible parts af th...

Страница 19: ...T STAT L N R1 R2 3 AMP FUSE L N 230V 50Hz PERMANENT MAINS SUPPLY POTENTIAL FREE ROOM STAT NO FROST STAT TO BOILER RED LINK REMOVE WHEN CONNECTING SYSTEM CONTROLS 5 WAY TERMINAL BLOCK POTENTIAL FREE RO...

Страница 20: ...ith the length of the cock Test for soundness and purge air from the gas supply Switch power ON at the mains electrical supply at the external isolator and switch at the boiler Light the pilot refer t...

Страница 21: ...king adjustment by reducing below the required pressure then increasing up to the required setting Isolate the boiler from the electrical supply Remove the pressure gauge and tighten the test point sc...

Страница 22: ...ct the User Instruct and demonstrate the lighting procedure then advise the user of the efficient and safe operation of the boiler Instruct and demonstrate the operation of any heating system controls...

Страница 23: ...parts of this circuit are disconnected reduce the system pressure at the external draining tap turn the central heating isolating valves off and drain at the drain points on the appropriate valves see...

Страница 24: ...gram 10 1 Hinge the control facia forward Remove the clock timer cover see diagram 9 1 Disconnect the clock wiring harness plug and connect the link This is a temporary measure and the clock should be...

Страница 25: ...oss the fan coil should be 45 to 50 Pump With the power off unplug the connector from the pump Restore the power and check that there is 230V between live brown and neutral blue or live and the applia...

Страница 26: ...Does pilot flame envelop thermocouple Check aeration If necessary Clean pilot rectify blockage in pilot injector or replace Check thermocouple circuit using Thermocouple fault finding diagram On pres...

Страница 27: ...k all connections on the control board and the boiler components rectify or renew as necessary Two spare fuses are provided Can pilot be lit Refer to pilot fault finding Switch on main supply Do mains...

Страница 28: ...gas valve Summer Mode Continued YES Winter Mode Continued YES YES YES YES Connect a manometer to gas valve and check burner pressure Adjust hot water burner pressure potentiometer Does burner pressur...

Страница 29: ...tance accross the terminals as the temperature increases Change thermistor Reconnect thermistor turn on hot water tap fully Does the central heating pump stop Change flow sensor Burner pressure increa...

Страница 30: ...overheat cut off to points A and B Disconnect thermocouple at point D of the gas valve Test continuity between point C and the body of the gas valve Is there continuity YES Thermocouple and boiler ove...

Страница 31: ...YES YES Check continuity of clock timer harness ensure an electrical supply is available ensure that remote controls are calling for heat NB The clock can be by passed by refitting the plug link whic...

Страница 32: ...lear taking care not to damage the combustion chamber insulation or the pilot burner assembly When refitting make sure that the main burner is fitted correctly on assembly located on the main injector...

Страница 33: ...diagram 14 2 Ease the spark electrode through the sealing angle Open the controls cover door Remove the two screws securing the controls facia see diagram 9 1 Hinge the control fascia open Disconnect...

Страница 34: ...ee diagrams 14 5 and 14 7 Unclip to remove the overheat cutoff see diagram 14 8 14 9 Domestic Hot Water Boiler Overheat Cutoff Before starting refer to Section 11 Open the controls cover door see diag...

Страница 35: ...TOR WATER PRESSURE SWITCH RETAINING CLIP ELECTRICAL CONNECTION GAS CONTROL VALVE Diagram 14 6 7236 FAN RESISTOR RETAINING BRACKET ELECTRICAL CONNECTION 2 Top right hand side of boiler BOILER OVERHEAT...

Страница 36: ...38 Diagram 14 11 14 17 Gas Control Valve Before starting refer to Section 11 Remove the case base see diagram 10 4 Openthecontrolscoverdoor Removethetwoscrewssecuring the controls facia see diagram 9...

Страница 37: ...o Commissioning in the Installation Instructions Test joints for gas soundness with suitable leak detection fluid with the gas control knob depressed 14 19 Automatic Bypass Valve Before starting refer...

Страница 38: ...14 16 It may be necessary to slacken the union nut at the automatic bypass and water cock Remove the pump Discard the sealing washer from the bottom fixing Make sure that the flow direction arrow is...

Страница 39: ...Remove the combustion chamber cover see diagram 14 1 Remove the main burner refer to Section 14 2 Remove the automatic air vent see diagram 14 17 If renewing the heat exchanger transfer the air vent t...

Страница 40: ...all As an alternative a separate expansion vessel of the same specification may be connected as close as possible to the boiler leaving the original in position refer to the Installation Instructions...

Страница 41: ...adhesive aluminium foil gasket see diagram 14 23 Ensure no air bubbles are trapped underneath the foil Important Make sure that the mica window fully covers the opening and that the hole in the alumi...

Страница 42: ...M STAT CLOCK TIMER C N C N O C1 N O4 N C2 PUMP WATER FLOW E N L br br w r r r y bk w bk g g g br br br X4 X2 X3 X5b X5a X6 X1 p or or r br b p p r r or or or br b g y p g v b r r y br 230V TRANSFORMER...

Страница 43: ...stor Domestic Hot Water 15 227002 Flow Sensor E04063 16 202226 Fuse 2 type T2A x 20mm 278136 17 202240 Fuse 1 type 3 15ATx 20mm 278414 18 227071 Air Pressure switch E26891 19 227083 Fan Resistor 20 45...

Страница 44: ...0G Because of our constant endeavour for improvement details may vary slightly from those shown in these instructions Diagram 15 1 7267 15 Spare Parts 1 13 7 10 5 4 6 8 19 22 18 3 21 14 2 15 12 20 9 1...

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