valutazioni - 3, GPA: 4.3
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SMITH CORPORATION XTRA HIGH EFFICIENCY XTRA HIGH EFFICIENCY Installation User and Service Manual 28 30 50 60 Release R.1.3 UK your installer Warning Read this manual carefully before first using the water heater. Failure to read this manual and to follow the instructions in this manual may lead to accidents, personal injury, and damage to the appliance. Copyright Copyright 2003 A.O. Smith Water Products Company All rights reserved. Nothing from this publication may be copied, reproduced and/or published by means of printing, photocopying or by whatsoever means, without the prior written approval of A.O. Smith Water Products Company. A.O. Smith Water Products Company reserves the right to modify specifications stated in this manual. Trademarks Any brand names mentioned in this manual are registered trademarks of their respective owners. Liability A.O. Smith Water Products Company accepts no liability for claims from third parties arising from improper use other than that stated in this manual and in accordance with the General Conditions registered at the Eindhoven Chamber of Commerce. Refer further to the General Conditions. These are available on request, and without charge. Although considerable care has been taken to ensure a correct and suitably comprehensive description of all relevant components, the manual may nonetheless contain errors and inaccuracies. Should you detect any errors or inaccuracies in the manual, we would be grateful to receive notification. This helps us to further improve our documentation. More information If you have any comments or queries concerning any aspect related to the appliance, then please do not hesitate to contact A.O. Smith Water Products Company. A.O. Smith Postbus 70 5500 AB Veldhoven The Netherlands Freephone: 008008 AOSMITH 008008 2 67 64 84 General: +31 40 294 25 00 Sales: +31 40 294 25 37 Help desk: +31 40 294 25 38 Fax: +31 40 294 25 39 E-mail: info@aosmith.nl Internet: In the event of problems with connecting to the gas, electricity or water supply, please contact your installation.s supplier/installer. Release R.1.3 UK Instruction Manual BFC gis gisgis Table of contents 1 Introduction ---- - - - - ------- - - - - --------9 1.1 About the appliance ----------------------------9 1.2 What to do if you smell gas-------------------------9 1.3 Regulations --------------------------------9 1.4 Target groups ------------------------------10 1.5 Maintenance -------------------------------10 1.6 Forms of notation ----------------------------10 1.7 Overview of this document ------------------------11 2 Functioning of theappliance ------- - - - - -------13 2.1 Introduction -------------------------------13 2.2 Functional description of theappliance ------------------13 2.3 The appliance.s heating cycle ----------------------14 2.4 Protection for the appliance -----------------------14 2.4.1 Water temperatureprotection -----------------15 2.4.2 Gas control --------------------------15 2.4.3 Fan ------------------------------15 2.4.4 Pressure switch ------------------------15 2.4.5 Ionisation rod -------------------------16 2.5 Safety ofthe installation -------------------------16 2.5.1 Unvented installation ---------------------16 2.5.2 Vented installation-----------------------16 2.5.3 T&P valve ---------------------------16 3 Installation ---------------------------17 3.1 Introduction -------------------------------17 3.2 Packaging --------------------------------17 3.3 Environmental conditions-------------------------17 3.3.1 Humidity and ambient temperature---------------18 3.3.2 Maximum floor loading --------------------18 3.3.3 Water composition ----------------------18 3.3.4 Working clearances----------------------18 3.4 Technical specifications -------------------------20 3.5 Installation diagram ---------------------------23 3.6 Water connections, Unvented ----------------------25 3.6.1 Cold water side ------------------------25 3.6.2 Hot water side-------------------------25 3.6.3 Circulation pipe ------------------------25 3.6.4 Condensation drainage --------------------25 3.7 Water connections, Vented------------------------26 3.7.1 Cold water side ------------------------26 3.7.2 Hot water side-------------------------26 3.7.3 Circulation pipe ------------------------26 3.7.4 Condensation drainage --------------------26 3.8 Gas connection -----------------------------26 3.9 Air supply and flue gas discharge---------------------27 3.9.1 Concentric wall flue terminal------------------28 3.9.2 Concentric roof flue terminal------------------29 Release R.1.3 UK gis 3.10 Electrical connection ---------------------------30 3.10.1 Introduction --------------------------30 3.10.2 Preparation---------------------------30 3.10.3 Mains voltage -------------------------31 3.10.4 Isolating Transformer----------------------32 3.10.5 Continuous pump- -----------------------32 3.10.6 progra...