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Installation and Servicing
Hideaway
120B
G.C. No. 41 313 28
Balanced Flue 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.
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
In the centre pages are to be found your Guarantee Registration Card, which we recommend you complete and
If this card is missing you can obtain a copy or record your registration by telephoning the Heatcall Customer
Our Guarantee gives you peace of mind plus valuable protection against breakdown by covering the cost of:
All replacement parts
All labour charges
All call-out charges
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
BS 6332
BS 5258
Appliance
2H
Guarantee Registration
to offer our customers' a Comprehensive First Year Guarantee.
return as soon as possible.
Service number 01773 828100.
REGISTER YOUR GLOW-WORM APPLIANCE
FOR 1ST YEAR GUARANTEE PROTECTION
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
221765B.11.00
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Table of Contents
Related Manuals for Glow-worm Hideaway 120B
Summary of Contents for Glow-worm Hideaway 120B
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Page 1: Instructions For Use
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 First Year Guarantee. In the centre pages are to be found your Guarantee Registration Card, which we recommend you complete and return as soon as possible. -
Page 2: Table Of Contents
Important Information Testing and Certification This boiler is tested and certificated for safety and performance. It is therefore important that no alteration is made to the boiler, without permission, in writing, from Hepworth Heating Ltd. Any alteration not approved by Hepworth Heating Ltd., could invalidate the certification, boiler warranty and may also infringe the current issue of the Statutory Requirements, see Section 1.4. - Page 3 As the markings on your plug may not correspond with these and the controls set. colours, continue as follows: Glow-worm Hideaways are central heating boilers, to provide The Blue cable must be connected to the terminal marked “N” heating and if required, an indirect domestic hot water supply.
- Page 4 Instructions for Use Push in slightly and turn gas control knob “A” clockwise until Sheet Metal Parts is against its setting point. WARNING. This boiler contains metal parts (components) and Turn thermostat control knob “B” anticlockwise until “O” is care should be taken when handling and cleaning, with particular against its setting point.
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Page 5: General Data
General Data Refer to BOILER CASING GAS CONNECTION WATER CONNECTIONS Rc1 reduced in. B.S.P.T.) HEIGHT diagram with DISTRIBUTOR TUBE to in. B.S.P.T.) (pumped return) A SPECIAL TOP CASING WATER CONNECTIONS TO SUIT 600mm (23 in.) Rc1 (1in. B.S.P.T.) WORKTOPS IS AVAILABLE F(MIN.) G(MIN.) G(MIN.) - Page 6 General Data 1.5 B.S.I. Certification To facilitate minimum clearances it may be necessary to modify the kitchen units or fixtures, depending upon which type of This boiler is certificated by B.S.I. for safety and performance. connections are used. It is, therefore, important that no alteration is made to the boiler, without permission, in writing, from Hepworth Heating Ltd.
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Page 7: Water Systems
1 General Data A special top casing, part No. 424820, can be purchased to enable the boiler casings to be arranged flush with 600mm (23 in) deep work tops and kitchen units. Where the installation of the boiler will be in an unusual location, special procedures are necessary, the current issue of BS6798 BOILER gives guidance on this. -
Page 8: Flue And Ventilation
2 Water Systems 2.6 Cylinder FLOW RATE (GALLON/MINUTE) For all systems supplying domestic hot water the cylinder must 0 1 2 3 4 5 6 7 8 be indirect and to the appropriate British Standard. 2.7 Safety Valve A safety valve need not be fitted to an open vented system. 2.8 Draining Tap A drain tap must be provided at the lowest points of the system which will allow the entire system, including the boiler and... -
Page 9: Installation
3 Flue and Ventilation 3.7 Cupboard/Compartment Ventilation Where the boiler is fitted in a cupboard or compartment, the high and low level permanent air vents must have effective areas in accordance with the Compartment Air Vent Table. Both the high level and the low level air vents must communicate with the same room, or must both be on the same wall to outside air. - Page 10 4 Installation Fit plugs into all unused connections. UPPER CASING NOTE, if only limited clearance is available it is recommended BRACKET that the front tappings are used. 4.4 Planning Water Connections - Fully Pumped Systems It is important that all connections are made as shown in diagram 4.4.
- Page 11 4 Installation When using a rear tapping with Rc1 (1inch BSP) fittings for 28mm o.d. pipework it is recommended that a short nipple and a R thread (BSP) copper elbow is used. If the pipework is required to run back to the wall make sure that it will clear the boiler air duct and, if working to minimum clearance does not stick out too far from the boiler, see diagram 4.8.
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Page 12: Casing Location / Fitting
4 Installation VIEW ON VIEW ON ARROW 'A' ARROW 'B' 57 MAX. BOILER in.) BOILER 57 MAX. in.) 57 MAX. in.) 57 MAX. MINIMUM in.) CLEARANCE REAR CONNECTION PIPEWORK CASING PIPEWORK (28mm) Diagram 4.7 Diagram 4.8 CLEARANCES BOILER WALL AIR DUCT PLATE INNER BAFFLE/ FLUE DUCT... - Page 13 5 Casing Location / Fitting 5.3 Top Casing The top casing can be fitted in four alternative positions, that is, PLASTIC PEG (4) TOP CASING with either a rolled or square front edge, flush with the door or overhanging it by 10mm ( inch).
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Page 14: Electrical Wiring
6 Electrical Wiring 6.1 Control Box Cable Connection. WARNING. This boiler must be earthed. COVER Remove the screw and cover from the mains inlet connector, supplied loose, see diagram 6.1. Using heat resistant flexible cable of a suitable length and rating as stated in Section 1.7 “Electrical”... -
Page 15: Commissioning
If any doubt exists, the gas rate should be checked at the meter. Check that the mains electrical supply is switched off. This should be in the range of :- HIDEAWAY 120B 3.5m /h to Set thermostat control knob “B” to “O”. - Page 16 7 Commissioning 7.3 Operational Checks 13 ( in.) SPARK GAP APPROX. FLAME Check operation of the flame failure device as follows, with the DIMENSION main burner alight, turn the gas valve control knob “A” fully DIMENSION clockwise to its stop' ' , this will extinguish the main and pilot burners.
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Page 17: Servicing
8 Servicing Before commencing any servicing, turn off the gas supply at the gas service cock, see diagram 8.1 and isolate the electrical SERVICE supply to the boiler. COCK Always test for gas soundness after completing any servicing or (turn off) replacement of parts. -
Page 18: Replacement Parts
8 Servicing Check the condition of the insulation panels in the combustion chamber, renew if necessary. Check the condition of the seals on the cleaning door and the combustion chamber cover, renewing if necessary. 8.5 Re-assembly Make sure that the baffle tray is replaced and secured with the graphite coated nuts, previously removed. -
Page 19: Replacement Of Parts
9 Replacement of Parts Remove the nut retaining the spark electrode and remove. PILOT TUBE Remove the two screws and nuts securing the pilot burner and shield to the combustion chamber cover. Hook pilot injector over pilot tube olive when refitting. VALVE Check that the pilot flame length is as shown in PLUG... - Page 20 9 Replacement of Parts Disconnect the lead at the spark electrode, see diagram 9.2. Disconnect the gas valve plug from the valve, see diagram 9.1. When reconnecting lead make sure that the clear end is fitted Release the control box by removing the securing screw located to the spark electrode.
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Page 21: Fault Finding
10 Fault Finding - Electrical 10.1 Electrical GAS VALVE IMPORTANT, the preliminary electrical system checks as CONTROL SOLENOID contained in the British Gas Multimeter Instruction book or similar publication, are the first checks to be carried out during THERMOSTAT a fault-finding procedure. On completion of the service fault- finding task which has required the breaking and remaking of electrical connections then checks, earth continuity, polarity and resistance to earth must be repeated. - Page 22 10 Fault Finding - Thermocouple Disconnect appliance thermocouple from the multifunctional 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. Hold down control tap in ignition position. Ignite burner, allowing thermocouple to attain operating temperature.
- Page 23 10 Fault Finding - Pilot PILOT WILL NOT LIGHT START HERE Does pilot stay alight when Check gas line-open all cocks, gas valve knob is released? rectify any blockages, purge out any air. Does pilot light? Apply match to pilot burner instead of pressing piezo unit button.
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Page 24: Spare Parts
11 Spare Parts When ordering spare parts please quote the part number and description, stating the model and serial number, from the data label “L”, see diagram 7.1. If ordering from British Gas also quote the GC number of the part and appliance.
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