In Australia, children undergo twelve years of formal education (plus Preschool, Kindergarten and/or a preparatory grade or Prep), usually starting at age four, five or six, and finishing at age 16, 17 or 18. The Years are numbered from 1 to 12.
Modular PSUs are also referred to as Full(y) Modular, and semi-modular ones are usually just called Modular. Sometimes you get less cables than your modular PSU can accept, Enermax (for example) love doing this.
The PIU is an assembly that takes the same concept as the VAV , but once the controls tell the damper to close due to the space set point being satisfied , the PIU will in fact completely close the medium pressure air from the duct system then start a small internal fan that will recirculate return and / or plenum air to begin to temper the space if ...