Read Choosing and Installing a Combi Boiler text version ISSUE 07/05 79 WICKES COMBI BOILERS If told that you could install a complete central heating and domestic hot water system by purchasing only a gas powered boiler with a balanced flue, a quantity of copper piping with fittings, and radiators with fittings, you could well be surprised. Quite reasonably you could ask about the hot water storage cylinder, the feed and expansion tank normally put in the loft, the pump, the three port diverter valve and other component parts that other central heating and hot water systems seem to need. The answer to your queries would be that with our Combi Boiler you do not need a hot water storage cylinder which takes up a lot of space, you do not need a feed and expansion tank up in the loft, and components such as the pump, diverter valve and other necessary controls are already built into the boiler so that all electrical work apart from the mains supply connection is complete. KEEP INFORMED Look for other Good Idea Leaflets that could help you with your current project. Check that your Good Idea Leaflets are kept up to date.
Leaflets are regularly changed to reflect product changes so keep an eye on issue dates. If you would like to be put on our mailing list for the Wickes booklet, call our Freephone number which is: 0500 300 328 Visit our website at www.wickes.co.uk The answer to your queries would be that with our Combi Boiler you do not need a hot water storage cylinder which takes up a lot of space, you do not need a feed and expansion tank up in the loft, and components such as the pump, diverter valve and other necessary controls are already built into the boiler so that all electrical work apart from the mains supply connection is complete. Specification: Wickes Combi 102:- Maximum Heat Output (Central Heating) 102,400Btu/hr Maximum Heat Output (Domestic hot Water) 102,400Btu/hr Major features are: British Gas service listed which also means guaranteed spare parts availability for a minimum of 10 years Fully automatic ignition to burner.
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No pilot light needed Supplied with time clock Telescopic flue included in pack Can be flued vertically Flue outlet can be fully fitted from inside the property so ideal even for high rise buildings Recessed control panel with clearly marked controls 2 years parts and labour guarantee British built This type of boiler - the combination - is not new. It has been more popular on the continent than in the U.K., but is now being fitted more frequently as an alternative to the conventional wall mounted boiler. There are two major differences between this boiler and it's better known counterparts.
On the central heating side you still have a fully pumped system but all the heated water which circulates around is sealed in totally. There are no open vents and therefore no need for a feed and expansion tank in the loft. The boiler itself incorporates an 8 litre capacity expansion tank but again this is part of the sealed unit.
Domestic hot water is produced on demand only by the use of a highly efficient plate heat exchanger. When a hot tap is turned on, water from the sealed central heating circuit is automatically heat boosted and is diverted to the sector of the domestic hot water heat exchanger. Fresh cold water from the rising main or other supply source passes through the heat exchanger where it is heated and fed to the tap, which has been turned on. Automatic priority is given to domestic hot water over water to radiators. When the tap is closed again the central heating water is returned to its normal circuit. Although over simplified this is how our 'combi' boiler works.
In every respect the boiler and connections etc. Conform to Gas and Water Research Council requirements. So far as the balanced flue is concerned the boiler is classed as a room sealed category 1N appliance. The flue is fan assisted to expel exhaust gases and pull in fresh air for combustion. It can be rotated through 360°.
The flue assembly supplied with the unit has an effective legth from the casing of the boiler to the external face of the wall of 632mmto the rear or 590mm to either side. Additional flue extensions are available which have a useable length of 676mm. The maximum permissible length for the Combi 102 is 2000mm. It is also possible to add additional elbows to the flue (SKU 442-003 by special order)but remember that for each 90° elbow added you must reduce the maximum allowed length by 767mm and by 384mm for 45° elbows. For the most difficult siting problems it is possible to take the flue vertically using a vertical flue (special order) up to a maximum height of 3851mm for the Combi 102.
This is measured from the top of the boiler to the inlet cowl. Diagram A shows flue options. It is important to read the instruction manual supplied with the boiler before you start the installation to ensure that you meet all regulations regarding the position of the flue terminal. This will come from your existing rising main provided that the pressure is adequate which means a absolute minimum of 0.3 bar, giving a flow rate of 2.8 litres per minute. For optimum performance 1 bar will be required.
The maximum is a pressure of 10 bar. In the vast majority of cases rising main pressure is well up to the minimum level but if in doubt your local water authority will advise you. SPECIAL TOOLS For the boiler installation you will require no special tools but you will find a tube cutter invaluable.
A pipe bending spring will also be useful. For making soldered joints you must have a blowtorch. PROJECT SHOPPING LIST Below is a list of the products in the range. Based on the information provided you can produce your own shopping list. Regulations, all electrical work must conform to BS 7671 the current IEE Wiring Regulations, and Part P of Building Regulations.
You are advised to check with your local authority's Building Control Department, or an Authorised Competent Person, before starting. If in any doubt about electrical work, contact a qualified electrician. Determining the position of the boiler. Selection and positioning of radiators. Selection of pipe sizes and routes. Installation procedures.
WORK SEQUENCE 1. DETERMINING THE BOILER POSITION The location chosen for the boiler is governed by a number of factors:(a) The position of the flue must be such that exhaust gases are safely dispersed into the open air and that fresh air is available for combustion. British Gas have produced a guide Diagram B - which gives distances which the terminal of a balanced flue must be away from obstructions, combustible materials, and other parts of the building which may affect its performance. The recommendations should be adhered to completely. (b) The boiler itself wall hung must have clearance all round to allow space for air circulation and for servicing. The minimum recommended space for the boiler is 1300m height, 465mm width and 325mm depth.
Actual boiler size including flue at the top is 900mm high, 455mm wide and 326mm deep. If the boiler is being placed in a cupboard an addition 10mm depth should be allowed for normal operation and 450mm for installation and servicing. (c) Because of the electrical components in the boiler body it should not be located in a bathroom unless totally out of the reach of anyone in the bath or a shower. (d) As a room sealed unit it can be located in almost any room even in an understairs cupboard for example, (provided that the cupboard is modified for this purpose. B.S.5376:2:1976 gives modification details). Even a garage is perfectly suitable although more often than not, the kitchen is the most favoured place.
Product Description Wickes Combi 102 Combi Terminal Guard Combi Filling Loop Room Thermostat Combi System On/Off Radiator Valve Combi System Lockshield Valve Thermostatic Radiator Valve C/H System Inhibitor C/H System Cleanser Size 1 Tube Cutter 15mm Bending Spring 22mm Bending Spring 15mm Copper Tube 22mm Copper Tube Code 443-020 441-003 443-011 440-036 420-017 420-018 421-000 440-100 440-101 500-528 500-591 500-593 The products available for a central heating and domestic hot water system are:Fittings NOTE. The On/Off valves and the single lockshield valves listed above conform to B.S.2767, Part 10, and must be used with the Combi boiler installation. Use either these On/Off valves paired with lockshield valves or combine T.R.V.s and the lockshields. At least one radiator - normally the bathroom - should be fitted with a permanently open lockshield valve at each end.
The boiler itself is supplied complete with detailed fitting instructions, which cover the flue installation as well. BEFORE YOU START STATUTORY REQUIREMENTS: It is the law that all gas appliances are installed by a CORGI registered fitter, in accordance with the Gas Safety (Installation and Use) Regulations 1998.
1 Halstead part n o. 190040WHI 2 Halstead part n o. 190042WHI £53.23 3 Halstead part n o. 300677 £5.88 4 Halstead part n o. 190081F £7.79 4 Halstead part n o.
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300715 £3.35 66 Halstead part n o. 204517 £0.53 67 Halstead part n o. 700536 £6.35 67 Halstead part n o. 701030 68 Halstead part n o. 700561 £34.09 69 Halstead part n o. 450998 £37.52 70 Halstead part n o. 200563 71 Halstead part n o.
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190056 130 Halstead part n o. Itunes Library Toolkit Keygen Crack. 190073F 130 Halstead part n o. 190047 £24.11 131 Halstead part n o. 190048 £24.40 131 Halstead part n o. 190074F £18.25 132 Halstead part n o.
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