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- Fabdec
- Water Heater
- EXCELSIOR
- Installation Manual
Fabdec EXCELSIOR Installation Manual
Summary of EXCELSIOR
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Water heating systems march 2014 installation manual excelsior unvented water heater excelsior ®.
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!" " " " contents section: title: page: 1 introduction 3 1.1 specifier’s guide 3 1.2 standard equipment 4 2 dimensions & performance 4 2.1 excelsior direct & indirect internal 5 2.2 excelsior direct & indirect external 6 2.3 excelsior solar range 7 2.4 excelsior heat pump range 8 2.5 excelsior buffe...
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#" " " " 1. Introduction the excelsior unvented water heater is a high quality stainless steel unvented cylinder which can provide hot water from a cold mains water supply of between 1.5 bar and 16 bar. The indirect heat exchanger surfaces are designed to provide a rapid heat up time. The unit comes...
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$" " " " 1.2 standard equipment check that all the components of your excelsior unit are contained in the kit prior to installation. Your excelsior should include the following: 3kw heating element - incorporating control thermostat and re-settable safety cut-out combination (control) valve comprisi...
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%" " " " 2.1 excelsior direct and indirect cylinders-internal.
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&" " " " 2.2 excelsior direct and indirect cylinders-external.
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'" " " " 2.3 excelsior solar range.
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(" " " " 2.4 excelsior heat pump range.
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)" " " " 2.5 excelsior buffer range 2.6 excelsior horizontal direct range.
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*+" " " " 2.7 excelsior horizontal indirect range.
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11 3. Installation instructions 3.1 installation requirements warning: under no circumstances must the factory fitted temperature pressure relief valve be removed. This will invalidate any guarantee or claim. The cold-water inlet valve assembly must be fitted or the excelsior unit will not perform s...
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12 cold water valve the combined cold water valve (supplied) can be connected anywhere on the cold water mains prior to the unit. It can be located at a point near to where the mains supply enters the premises if this is more convenient. When installing the cold water valve, ensure that the arrow is...
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*#" " " " secondary return (where applicable) some excelsior cylinders are fitted with a secondary return connection. Secondary circuit connections must be made to the cylinder in accordance with the recommended installation diagram. A drain cock (not supplied) should be fitted in the cold water inl...
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*$" " " " 3.2 recommended installation schematics figure 2. Installation schematic – external expansion " " figure 3. Installation schematic – internal expansion ".
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*%" " " " figure 4. Combination valve " figure 5. Inlet group – external expansion " figure 6. Inlet group – internal expansion " ".
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*&" " " " 3.3 wiring instructions " warning: all electrical wiring should be carried out by a competent electrical contractor and must conform to the latest iee wiring regulations. Do not switch the power on until the unit has been filled with water and all wiring has been earthed. " (see figures 7,...
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*'" " " " fitting the immersion heaters the heating element is fitted with a control thermostat which allows the water temperature to be set and a thermal cut-out for safety (see figure 9). The unit is designed to screw into the 1 ! " boss fitted to the unit. An ‘o’ ring is supplied as the seal and ...
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*(" " " " two port valve the two port valve should be wired to the thermostat (see figure 7 or 8 depending on required configuration). Connect the live supply to the thermo cut-out and connect the brown wire of the two port valve to terminal 1 on the thermostat (see figure 11). Earth and neutral sup...
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!"# # # # 3.5 discharge pipework # g3 requirement ‘...There shall be precautions...To ensure that the hot water discharged from safety devices is safely conveyed to where it is visible but will not cause danger to persons in or about the building.’ g3 guidance section 3.5 the discharge pipe (d1) fro...
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!+" " " " figure 13. Typical discharge pipe arrangement " important: the discharge will consist of scalding water and steam. Asphalt, roofing felt and non- metallic rainwater goods may be damaged by such discharges. " table 1. Sizing of copper discharge pipe (d2) for common temperature & pressure re...
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!*" " " " 3.6 commissioning ! Commissioning a newly installed cylinder with an internal or external air gap 1. Before turning on the mains supply to the cylinder, a hot water tap should be opened, preferably on the same floor or the floor below where the cylinder is located. 2. Turn on the supply to...
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!!" " " " 4. Warranty ! Fabdec ltd guarantee the immersion(s) and controls for a period of 1 year from date of purchase, excluding any failure caused by lime-scale, providing that they have been installed for their intended use by a competent person and have not been modified in any way. In addition...
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23 5. Servicing & maintenance servicing and maintenance should only be carried out by a competent unvented hot water installer or fabdec ltd authorised personnel. Before any work is carried out on the installation, it must be isolated from the electricity supply. Both the primary and secondary syste...
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!$" " " " 6. Fault finding warning: disconnect electrical supply before removing any electrical equipment cover. Fault possible cause remedy the cylinder cools down overnight one pipe circulation in the case of short pipe networks with low pressure loss install a non-return valve as close as possibl...
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!%" " " " 7. Spare parts when ordering spare parts please contact fabdec sales department and quote the part number required. " description: fabdec part number: expansion vessel: 12 litre 951920 19 litre 951921 24 litre 951922 expansion vessel bracket 951918 t&p valve 7 bar 90°c 952318 15 - 22mm str...
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Page 28: Water Heating Systems
Fabdec ltd grange road ellesmere shropshire sy12 9dg tel: +44 (0) 1691 627200 fax: +44 (0) 1691 627222 email: sales@fabdec.Com fabdec gmbh gerhardstrasse 5 45892 gelsenkirchen germany tel: + 49 (0) 209 700 900 fax: + 49 (0) 209 70090-20 email: germany@fabdec.Com fabdec llc october embankment 12, bui...