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The indirect system prevents furring of the boiler, primary flow and return pipes, and hot water storage cylinder. The system is also employed in soft water districts when heating is combined with hot water supply, to prevent rusting of the cast iron radiators, which causes discolouration of the water to be drawn off.
1.1.00 The ‘HWA Design Guide for Stored Hot Water Solutions in Heat Networks 2018’ provides design guidance and advice for engineers who are looking to specify stored hot water solutions working within a heat network.
BSI Standards Publication Guide to the design, installation, testing and maintenance of services supplying water for domestic use within buildings and their curtilages -Complementary guidance to BS EN 806
The indirect system prevents furring of the boiler, primary flow and return pipes, and hot water storage cylinder. Download to read the full chapter text Chapter PDF
Hot water storage vessels for Domestic Purposes for use with Heat Pumps. Specification of particular requirements, test methods and labelling for hot water storage vessels designed primarily for indirect water heating using heat pumps. Version 5 : December 2021 . Foreword.
indirect system for hot water generation is shown in figure .6. The generation of hot water on a communal rather than on an individual basis may be provided by group or district heating schemes where large capacity boilers are remotely sited to provide heat generation. Such systems are consi dered in chapter 5.
direct cross connection is a piping system connecting a raw water supply, used for industrial fire fighting, to a municipal water system. • An indirect cross connection is an arrangement whereby unsafe water, or other liquid, may be blown, siphoned or otherwise diverted into a safe water system.
