5 Simple Statements About hvac system diagram Explained
GRD means Grille, Sign-up and Diffuser. GRD implies a ingredient is both a grille, a register or a diffuser. It's a generic term applied to describe anything at all that’s source/return and exhaust/ingestion air.CRU stands for Condensate Recovery Device. CRU is often a tank or perhaps a system that recovers the condensate drinking water made by t