Passive direct systems Solar water heating

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an integrated collector storage (ics) system


an integrated collector storage (ics or batch heater) system uses tank acts both storage , collector. batch heaters thin rectilinear tanks glass side facing sun @ noon. simple , less costly plate , tube collectors, may require bracing if installed on roof (to support 400–700 lb (180–320 kg) lbs of water), suffer significant heat loss @ night since side facing sun largely uninsulated , suitable in moderate climates.


a convection heat storage unit (chs) system similar ics system, except storage tank , collector physically separated , transfer between 2 driven convection. chs systems typically use standard flat-plate type or evacuated tube collectors. storage tank must located above collectors convection work properly. main benefit of chs systems on ics systems heat loss largely avoided since storage tank can insulated. since panels located below storage tank, heat loss not cause convection, cold water stays @ lowest part of system.







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