Field glossary

IPLV / NPLV

Integrated and non-standard part-load value, the AHRI 550/590 metrics for chiller efficiency across the load range

Used across 4 Anvilfield field guides, most in HVAC.

Also defined as

Integrated and non-standard part-load value, weighted efficiency at 100/75/50/25 percent per AHRI 550/590
Integrated and non-standard part-load value, the weighted part-load efficiency of a chiller

Where this shows up