Évaluations - 3, GPA: 5
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Telephone: 0870 077 7117 Fax: 0870 727 0109 Dimp-15278-SCx_Instructions 31/3/06 9:32 am Page 1 DIMPLEX WATER HEATER SPECIFIERS GUIDE Dimp-15278-SCx_Instructions 31/3/06 9:32 am Page 3 DIMPLEX WATER HEATER SPECIFIERS GUIDE Dimp-15278-SCx_Instructions 31/3/06 9:32 am Page 3 THE LAW AND UNVENTED WATER HEATERS It is legal to fit an Unvented Unit into any property. UK water THE BENEFITS OF DIMPLEX SCx UNVENTED . Annual inspection as per warranty byelaws were amended to allow this change. There is no TECHNICAL DATA & INSTALLATION INSTRUCTIONS FOR SCx DIRECT & INDIRECT UNVENTED WATER HEATERS Your water heater is made from Duplex Stainless Steel, which is one of the toughest and best grades of steel currently available. Each unit has been individually tested and inspected to industry standard. Your water heater uses advances in technology and innovative techniques to provide you with a high performance water heater at the best price possible. No other type of water heater can provide all of the benefits that can be achieved from unvented units such as the SCx Unvented Water Heater. IMPORTANT NOTICE FOR INSTALLATION READ THESE INSTALLATION AND MAINTENANCE INSTRUCTIONS BEFORE COMMENCING UNVENTED CYLINDERS ARE DESIGNED TO BS STANDARD AND INSTALLED TO RELEVANT BUILDING REGULATIONS THE RELEVANT REGULATIONS ARE ENGLAND & WALES – BUILDING REGULATION G3 SCOTLAND – TECHNICAL STANDARD P3 NORTHERN IRELAND – BUILDING REGULATION P5 AFTER INSTALLATION THE BENCHMARK LOG BOOK MUST BE COMPLETED AND LEFT ALONG WITH THESE INSTRUCTIONS WITH THE HOUSEHOLDER FOR FUTURE REFERENCE. INSTALLATION INSTRUCTION MANUAL TO BE LEFT WITH THE UNIT CONTENTS INSTALLATION INSTRUCTIONS Siting the SCx Unit p4 longer a requirement to have an old-fashioned “Tank-in-the-Roof” system. THE BENEFITS OF UNVENTED SYSTEMS . A real Power Shower without a noisy pump . No tanks in the roof – no ballcocks to jam or leak – no noise from tank filling . All your water – hot and cold – is direct from the mains . Site the SCx unvented water heater wherever convenient . SCx fills your bath in minutes and will run two at the same time (subject to good plumbing and flow rates) . The SCx unit works off electricity (economy 7) or any oil or . Duplex Stainless Steel . High quality finish . Has one of the lowest heat losses for maximum economy . No sacrificial anode - low maintenance gas fired boiler (not suitable for solid fuel boilers) Check water pressure & flow rates p4 Connecting the water supply p5 Cold water valve p5 Drain tap p5 Pipework to taps p5 Secondary circulation p5 Wiring p7 Fitting immersion heaters p7 Fitting the thermal cut out & primary connections p7 Tundish p8 Commissioning the SCx Unit p8 External expansion vessel p8 Scale p8 Draining p8 Discharge pipework p8 G3 Requirement p9 Overall HeightTank Height Bottom HeaterWater InletTwin ThermostatBottom CoilTop CoilP & T Valve 45 574 Note: All External Exposed Pipework is 22mm Diameter 316L Stainless Steel Overall Height Indirect Heat Exterior Reference Dimensions Reference Tank Overall P&T Bottom Top Bottom Temp Water Volumes Height Height Valve Heater Coil Coil Monitor In litres mm mm mm mm mm mm mm mm 80 636 681 347 188 N/A 283 233 230 Top Heater mm N/A 130 928 973 618 188 558 483 357 230 521 150 1056 1101 737 188 558 483 357 230 640 175 1213 1258 883 188 758 683 458 230 786 215 1455 1500 1108 188 758 683 507 230 1011 255 1723 1768 1356 188 758 683 608 230 1259 305 1999 2044 1613 188 758 683 608 230 1516 Problem solving p10 Spares p10 Part component references p10 Guarantee p11 DIAGRAMS Dimensional data for DH / IDH range of water heaters p3 Typical installation of a DH tank p5 Reference Volumes litres 80 Direct Heat Exterior Reference Dimensions Tank Overall P&T Top Bottom Height Height Valve Heater Heater mm mm mm mm mm 636 694 347 N/A 250 Water In mm 230 130 928 986 618 521 188 230 150 1056 1114 737 640 188 230 175 1213 1271 883 786 188 230 215 1455 1513 1108 1011 188 230 255 1723 1781 1356 1259 188 230 305 1999 2057 1613 1516 188 230 Tank Height Bottom HeaterWater Inlet Top HeaterP & T Valve Note: All External Exposed Pipework is 22mm Diameter 316L Stainless Steel 45 574 SPECIFIERS GUIDE Typical installation of a IDH tank p5 The law and unvented p3 Secondary circulation connection p6 The benefits of unvented systems p3 2 x 2 port (S-plan) valve system p6 Dimensional data for Indirect Heat/Direct Heat range of water heaters The benefits of Dimplex Unvented Water Heaters p3 2 port valve + 3 port mid position valve (y-plan) p7 Standard energy losses p4 Immersion heater p7 What is supplied with the SCx unit? p4 Schematic discharge pipe arrangement p8 2 3 Fig.1 Typical Indirect Tank installation using external expansion vessel option WATER FLOW TO MANIFOLD VIA FLEXIBLE HOSE 6 BAR EXPANSION RELIEF VALVE PRESSURE REDUCING VALVE SET AT 3 BAR WATER FLOW INLET SIDE OF TANK BLANKED PORT WATER FLOW FROM EXPANSION TANK TO 22MM FEMALE THREAD BEHIND COVER Typical Indirect Tank installation using external expansion vess...