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Glow-worm 30sxi Instructions For Use Installation And Servicing
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Glow-worm 30sxi Instructions For Use Installation And Servicing

Glow-worm 30sxi Instructions For Use Installation And Servicing

High efficiency condensing system boiler
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Installation and Servicing
30sxi
G.C. No. 41-047-62
High Efficiency
Condensing System Boiler
This is a Cat I
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 instructions consist of three parts, User, Installation and Servicing Instructions, which includes the Guarantee Registration
Card. The instructions are an integral part of the appliance and must, to comply with the current issue of the Gas Safety
(Installation and Use) Regulations, be handed to the user on completion of the installation.
Glow-worm appliances' are manufactured to the very highest standard so we are pleased to offer our customers' a
This product is guaranteed for 24 months from the date of installation or 30 months from the date of manufacture,
whichever is the shorter, for parts. In addition this product is guaranteed for 12 months from the date of intallation or
18 months from 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 the boiler having been serviced by a CORGI registered gas installer, in accordance
with the manufacturer's recommendations. We strongly recommend regular servicing of your gas appliance, but where
the condition is not met, any chargeable spare parts or components issued within the applicable guarantee period still
benefit from a 12 month warranty from the date of issue by the manufacturer.
We recommend you complete and return as soon as possible your guarantee registration return literature, supplied in
If your guarantee registration return literature is missing you can obtain a copy or record your registration by
One Contact Local Service
Instructions for Use
To b e l e f t w i t h t h e u s e r
Appliance
2H
Guarantee Registration
Thank you for installing a new Glow-worm appliance in your home.
Comprehensive Guarantee.
the document envelope.
telephoning the Heatcall Customer Service number 01773 828100.
REGISTER YOUR GLOW-WORM APPLIANCE
CALL 0208 247 9857
Customer Services:
Tel: (01773) 828100
Fax: (01773) 828070
Hepworth Heating Ltd.,
Nottingham Road, Belper, Derbyshire. DE56 1JT
General/Sales enquiries:
Tel: (01773) 824141 Fax: (01773) 820569
2000225013B.03.02

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Summary of Contents for Glow-worm 30sxi

  • Page 1 Guarantee Registration Thank you for installing a new Glow-worm appliance in your home. Glow-worm appliances' are manufactured to the very highest standard so we are pleased to offer our customers’ a Comprehensive Guarantee. This product is guaranteed for 24 months from the date of installation or 30 months from the date of manufacture, whichever is the shorter, for parts.
  • Page 2 Important Information General The CE mark on this appliance shows compliance with: 1. Directive 90/396/EEC on the approximation of the laws of the This condensing system boiler is able to provide central from a Member States relating to appliances burning gaseous fuels. sealed water system with a fully indirect cylinder.
  • Page 3 Replacement Parts To obtain service, please call your installer or Heatcall (Glow- If replacement parts are required contact Heatcall (Glow-worm’s worm’s own service organisation) using the telephone number own service organisation) using the telephone number on the on the front cover of this booklet.
  • Page 4 Operating the Boiler To Operate the Boiler To Turn the Boiler Off Sealed Water Systems There is a mains reset switch on the right hand side of the controls fascia, which will isolate the boiler. However, it is CAUTION. A sealed pressurised system must be filled and preferable to leave the electrical supply on whenever possible pressurised by a competent person.
  • Page 5 1 General Information BOILER FLUE INSIDE WALL FIXING FACE SAFETY DISCHARGE DRAIN Diagram 1.1 IMPORTANT NOTICE Detailed recommendations are contained in the current issue of the following British Standards and Codes of Practice, BS4814, The boiler is supplied in one pack, the flue and fixing jig are BS5440 Part 1 and 2, BS5449, BS5546, BS6700, BS6798, supplied seperately.
  • Page 6 1 General Information 1.3 Gas Supply The gas installation must be in accordance with the current issue of BS6891. The supply from the governed meter must be of adequate size to provide a steady inlet working pressure of 20mbar (8in wg) at the boiler.
  • Page 7 TABLE 1 shuttered socket and 3A fused 3 pin plug both to the current issue of BS1363 may be used, provided they are not used in a 30sxi = 33kg room containing a bath or shower. TOTAL WEIGHT The mains supply cable and other cables connected to the...
  • Page 8 2 Boiler Location 2.1 Location The boiler is not suitable for fitting outdoors. Any electrical switch or boiler control using mains electricity must be positioned so that a person using a bath or shower cannot touch it. The boiler must be mounted on a flat wall, which is sufficiently robust to take its weight, refer to Table 1.
  • Page 9 3 Flue Location and Ventilation 2 Metre Extension Kit - Pt. No. 2000460483 3.1 Flue Position and Length 1 Metre Extension Kit - Pt. No. 2000460482 The standard horizontal flue is fitted onto the top of the boiler. 0.5 Metre Extension Kit - Pt. No. 2000460481 See diagram 3.1 and 3.2 to determine whether a standard flue can be used.
  • Page 10 MINIMUM FLOW RATE The flow rate through the boiler must not be allowed to fall below that given in table 4. 30sxi 12.90 litres/min. The system can be fitted with a lockable balancing valve if necessary in the main flow or return pipes shown as valve “A”...
  • Page 11 4 Heating System METHOD 1 COMBINED CHECK VALVE HEATING TEMPORARY AND VACUUM SYSTEM HOSE BREAKER BOILER SERVICING HOSE VALVE UNIONS ADDITIONAL EXPANSION SUPPLY STOP VESSEL SUPPLY VALVE (if required) PIPE METHOD 2 HEATING DOUBLE CHECK TEMPORARY SYSTEM VALVE ASSEMBLY HOSE * BYPASS SERVICING HOSE...
  • Page 12 5 Domestic Hot Water System 5.1 General The domestic water hot service must be in accordance with the current issue of BS5546, refer also to the current issue of BS6700. 5.2 Domestic Hot Water Cylinder SINGLE FEED INDIRECT CYLINDERS ARE NOT SUITABLE AND SHOULD NOT BE USED.
  • Page 13 6 Installation Preparation 6.4 Fixing Jig and Hanging Bracket Fixing WALL If previously removed, reposition the wall template over the flue TEMPLATE hole and mark the position of the fixing holes for the jig and the hanging bracket, see diagram 6.2. Drill the four holes and insert suitable wall plugs.
  • Page 14 7 Flue Preparation 7.1 Flue Length All dimensions are in mm. To determine flue length temporarily fit flue elbow to top of boiler. DRILL AND SCREW For rear or side flue, measure the distance from the outside wall to the butt joint of the flue elbow fitted on top of the boiler. A standard flue system will be suitable if the length measured ‘Y’...
  • Page 15 7 Flue Preparation Note: If the air and flue ducts has been correctly cut to the 7.4 Flue Attachment To Boiler instructions given in sections 7.1-7.2 the rubber sealing collar Refer to section 8 and fix the boiler in position prior to completing should fit flush with the outside wall, check this.
  • Page 16 8 Gas/Water Connections and Boiler Fixing 8.3 Boiler Fixing 8.1 Gas Connection Having previously secured the wall mounting jig and hanging The gas supply can be connected from below or through the bracket to the wall, lift the boiler into position in the following wall at the rear of the boiler, the position is shown on the wall manner.
  • Page 17 9 Safety Valve Discharge and Condensate Connections 9.1 Safety Valve Discharge CONDENSATE The pipe from the safety valve must not discharge above an DRAIN entrance, window or any type of public access area. SPIGOT A short discharge pipe is supplied loose in the wall mounting pack.
  • Page 18 WARNING: This appliance must be wired in accordance with these instructions. Any fault arising from incorrect wiring cannot be put right under the terms of the Glow-worm guarantee. Important: If a replacement supply cable is required it must be purchased. Part No. S1008600.
  • Page 19 10 Electrical Connections 10.4 Electrical Connections - Testing Carry out preliminary electrical 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 “Benchmark”...
  • Page 20 If the problem persists contact Heatcall Customer Services BS6798 should carry out commissioning. 01773 828100 (Glow-worm’s own organisation) and please Make sure that the system has been thoroughly flushed out with quote the name of the appliance this information will be on the cold water without the pump in place.
  • Page 21 11 Commissioning Allow the system to reach maximum temperature then switch AUTOMATIC off the boiler by isolating from the electrical supply. BYPASS Drain the entire system rapidly whilst hot, using the drain tap at VALVE the lowest part of the system. Fill and vent the system as described previously in section 11.2.
  • Page 22 12 Servicing REMEMBER, When replacing a part on this appliance, use only FLUE ELBOW spare parts that you can be assured conform to the safety and performance specification that we require. Do not use reconditioned or copy parts that have not been clearly authorised COMBUSTION by Hepworth Heating Ltd.
  • Page 23 12 Servicing Push the gas pipe upwards further into gas valve connection and then rotate anti-clockwise (looking down) until the gas pipe GAS CONTROL end is over the large hole in boiler chassis, see diagram 12.4. VALVE Withdraw the gas pipe from gas valve connection and remove. Note: When replacing ensure that the sealing grommet, situated below the gas valve is correctly re-seated.
  • Page 24 12 Servicing Check the CO value, which should be 8.8% ± 0.2%. 12.6 Combustion Check If adjustment proves necessary then proceed as follows. Once the appliance has been re-assembled (apart from the front and inner casing panels) connect a CO combustion Adjustment of the CO at minimum rate is very coarse so...
  • Page 25 12 Servicing 12.7 Central Heating Filter Turn off the electrical supply to the boiler. Refer to section12.8 and drain the heating circuit of the boiler. Remove the filter retaining clip and clean filter or renew if necessary, see diagram 12.10. Refit the filter, ensuring the correct orientation.
  • Page 26 12 Servicing 12.9 Inner Casing Panel Seal Check RETAINING Check the condition of the seal, replace as required. CLIP To replace remove the old seal, thoroughly clean the casing sufaces. Fit the new seal, it is supplied to the correct length, see diagram 12.12.
  • Page 27 13 Fault Finding Diagram 13.1 2000225013B...
  • Page 28 13 Fault Finding Before trying to operate the boiler make sure that : Should there be any doubt about the voltage supply to any of the components, it is possible to carry out a simple electrical test to • All gas supply cocks are open and that the gas supply has ensure all is operational in that area.
  • Page 29 14 Replacement of Parts 14.5 DC Fan Supply 14.1 General For access, refer to section 14.1. Replacement of parts must be carried out by a competent person. Refer to diagram 14.2. Before replacing any parts the boiler should be isolated from the Drop down control panel to the service position, see diagram mains electric supply and the gas should be turned off at the 14.23.
  • Page 30 14 Replacement of Parts 14.6 Gas Control Valve For access, refer to section 14.1. Remove the electrical plug from the gas control valve, see diagram 14.4. Refer to section 12.3 for removal of the fan, gas valve and burner assembly. Before removing the gas valve note its position on the fan.
  • Page 31 14 Replacement of Parts 14.9 Front Insulation 14.11 Viewing Window For access, refer to section 14.1. For access, refer to section 14.1. Refer to section 12.3 for removal of the fan, gas valve and Refer to diagram 14.9. burner assembly. Remove circlip.
  • Page 32 14 Replacement of Parts 14.12 Expansion Vessel For access, refer to section 14.1. Refer to section 12.8 and drain the boiler heating circuit. Undo the coupling at the base of the vessel, see diagram 14.10. While holding the vessel remove the securing bolt on the top panel of the boiler and upper support bracket on top of the expansion vessel.
  • Page 33 14 Replacement of Parts 14.16 Safety Discharge Valve CABLE CAP HEAD OUTLET For access, refer to section 14.1. COVER SCREW (4) CONNECTOR Refer to section 12.8 and drain the boiler heating circuit. Refer to diagram 14.14. Undo the safety discharge valve union and remove from the pipework.
  • Page 34 14 Replacement of Parts 14.21 Low Water Pressure Sensor OVERHEAT THERMOSTAT For access, refer to section 14.1. Refer to section 12.8 and drain the boiler heating circuit. Refer to diagram 14.17. Disconnect the electrical lead by pushing up retaining tab and withdraw lead plug.
  • Page 35 14 Replacement of Parts ELECTRICAL FLOW PIPE LEAD AND CONNECTOR PLUG AUTOMATIC LOW WATER BYPASS PRESSURE VALVE SENSOR BYPASS TUBE Diagram 14.17 14.26 Inner Casing Panel Seal For access, refer to section 14.1. RETAINING Refer to diagram 14.19. CLIP Remove the inner casing panel. To replace remove the old seal, thoroughly clean the casing surfaces.
  • Page 36 14 Replacement of Parts 14.29 Hydroblock Assembly Right-Hand FRONT CASING For access, refer to section 14.1. PANEL Refer to section 12.8 to drain the boiler heating circuit. Refer to diagram 14.17. Undo the connector on the bottom of the return pipe from the INNER hydroblock.
  • Page 37 14 Replacement of Parts 14.30 Access to Switches, User Interface and RETAINING Timer (if fitted) LATCHES For access, refer to section 14.1. Release the front of the fascia by carefully prising up the two retaining latches, see diagram 14.21. Do not allow the front of the fascia to swing down and be loosely held by the electrical connections to the mains/reset switch, user interface and clock.
  • Page 38 14 Replacement of Parts 14.33 User Interface/Display Unit PCB REAR TORX RETAINING Refer to section 14.30 for access and diagram 14.24. PANEL SCREWS (3) SLOTS Remove electrical plug. Remove the two securing screws. Withdraw the board. When replacing the board refer to instructions supplied with replacement PCB on setting it up.
  • Page 39 Diagram 14.25 15 Spare Parts When ordering spare parts, contact Heatcall (Glow-worm’s own service organisation) using the telephone number on the front cover of this booklet. Please quote the name of the appliance and serial number, to be found on the data label, see diagram 1.2.
  • Page 40 15 Spare Parts Key No. Part No. Description GC Part No. 801721 DC Fan Supply 801724 Overheat Thermostat Pressure Sensor 801637 Spark Electrode 801904 Safety Discharge Valve 801898 Automatic Air Vent 801897 Central Heating Filter 801722 Heating flow thermistor /Heating return thermistor 801649 Gas control valve Mains/Reset Switch...

This manual is also suitable for:

41-047-62