Chiller Plant म्हणजे काय?
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AHU chilled water coil वापरून air cool करते. FCU chilled water वापरून room air cool करते. पण हे सर्व chilled water कुठून येते?
The Chiller Plant.
chiller ला building च्या refrigerator compressor सारखे समजा — पण एका लहान box ला cool करण्याऐवजी, ते संपूर्ण building मध्ये pump केलेल्या हजारो litres water ला cool करते.
Chiller cools water to 6–8°C
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Chilled water pumps push it through building pipes
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Reaches every AHU and FCU
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At each AHU/FCU — water absorbs heat from air
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Water returns warm (12–14°C) back to chiller
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Chiller removes that heat again
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Cycle repeats continuously
BMS Chiller Sequencing:
light load साठी एक chiller (night, weekend).
medium load साठी दोन chillers (morning ramp-up).
peak load साठी तीन chillers (hot afternoon, full occupancy).
BMS कोणते chillers start करायचे, कधी start करायचे, आणि pumps व cooling towers ला maximum efficiency साठी कसे sequence करायचे हे ठरवते.
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