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The supply system is split into several zones supplying a maximum of 12 floors each. This ensures adequate water pressure on all floors without using pressure relief valves.
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.
• Common water supply systems • Cold water system •Potable water •Flushing water (fresh or salt water) •Non-potable water • Cleansing water • Fire service • Swimming pool filtration • Irrigation (e.g. for landscape) • Fountain circulation • Air-conditioning water, etc. • Hot water system (e.g. in hotels & hospitals) 3
Start your free trial. 3HOT WATER SUPPLY SYSTEMS DOI: 10.1201/9781003434894-3 DIRECT SYSTEM OF HOT WATER SUPPLY INDIRECT SYSTEM OF HOT WATER SUPPLY UNVENTED HOT WATER STORAGE SYSTEM EXPANSION AND TEMPERATURE-RELIEF VALVES HOT WATER ….
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.
This document discusses different methods of hot water supply systems. It describes electric, gas, solar, and central hot water heating systems. It also explains the differences between direct and indirect central hot water systems.
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
