The Greatest Guide To hvac system working principle
GRD stands for Grille, Register and Diffuser. GRD suggests a element is both a grille, a sign up or possibly a diffuser. It's really a generic phrase applied to explain something that’s offer/return and exhaust/consumption air.CRU means Condensate Restoration Unit. CRU is often a tank or even a system that recovers the condensate h2o made by the