2 Control solutions
Introduction
TCGB0106 rev.0 - 12/2014
88
2.1  Introduction
The air conditioning controls are divided into four types depending on the different methods of controlling units:
Control devices used for air conditioning control are classied in four types depending on their type of control.
•  Individual remote controls: which control each unit separately.
•  Centralised remote controls: which centralise the control of several units at one device in the ofce.
•  Building air conditioning control (CSNET WEB and CSNET Manager): which centralises the control of indoor units of 
all the building.
•  Intelligent building (BMS - Building Management System): which allow that intelligent building controller interact with 
HITACHI air conditioning systems.
NOTE
The Building Management Systems (ELB) mentioned on this manual are also commonly known as Building Automati-
zation Systems (BAS).
Control hierarchy