VRF

HVAC

IPLV and NPLV Explained – For Chiller Selection

Chiller IPLV & NPLV Explained: The Ultimate Guide for Indian HVAC Engineers Chiller Selection Guide: IPLV, NPLV & Advanced Compressor Technologies Explained When comparing chillers, most engineers look at full load COP or kW/TR. [cite: 4] But in

HVAC

CHILLER SELECTION GUIDE

MEPVAULT // FIGUREChiller Performance — IPLV (kW/TR) vs Capacity for Indian Climate (Delhi Annual Hours)500.51750.53000.64250.75500.76750.88000.8IPLV (kW/TR)Chiller capacity (TR)Centrifugal R-1233zd VSDScrew R-134a VSDAir-cooled scrollCentrifugal beats screw above ~400 TR in Delhi. Air-cooled penalty is consistent 30-40% across capacity range.

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