13.6 Energy Sources, Generation, Consumption 401
■Figure 13.23A schematic of a solar hot water system. DHW is the abbreviation for Domestic Hot Water.
■Figure 13.24
This home in Golden, Colorado
uses a liquid-based solar system
for space and water heating.Source: Courtesy of DOE /NREL
Storage
DHW pumpDouble-walled
DHW heat exchangerDHW
preheat
tankFrom cold
water mainAuxiliary
hot water
tankMixing
valve To DHW
distribution
and loadAuxiliary energy
input to DHWPreheat
DHW pumpAutomatic
shut-off
valve
Solar collectorCopyright 2010 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. Due to electronic rights, some third party content may be suppressed from the eBook and/or eChapter(s).圀圀圀⸀夀䄀娀䐀䄀一倀刀䔀匀匀⸀䌀伀䴀圀圀圀⸀夀䄀娀䐀䄀一倀刀䔀匀匀⸀䌀伀䴀