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Showing posts from April, 2021

HVAC system design for datacenters

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HVAC system design for datacenters Architectural - 4+ meters height slab to slab, raised floor with perforated tiles, False Ceiling (optional), loop corridor, cold and hot aisles, shafts if necessary, 1000 kg weight per M2, pressurisation. Redundancy - N+1, N+2 or 2N, Tier 1,2,3 or 4 & 5 Lighting - uniform 500 lux, emergency lighting, fire alarm lighting, skylights Fire fighting - clean agent extinguishing gas, water mist, alarms, exhaust BMS- connected to HVAC, Intruder, lighting, heating, fire fighting, NOC (network operation center) Cool Air Conditioners HVAC System - Chillers , Dx systems, AHU, FCU, Fans, Fresh air Units, Free cooling, heat recovery Electrical - Generators, 2 Electrical feeds to site, UPS, Batteries, DC power if required to some IT, ATS, power meters. Solar Panels + accessories, double equipment feeds A+B, Locked distribution Panels, 24Hrs+ Diesel Tank, solar panels Security - Intruder alarms, CCTV, access cards, finger/palm prints, sirens, smoke & gas eva