Controller Description; Hardware Structure - Daikin WCT Series Operating & Maintenance Manual

Controller Description

Hardware Structure

The MicroTech III control system for WCT chillers consists of a main unit controller with a number of extension
input/output I/O modules, Operator touch screen, lubrication control, miscellaneous switches and field
connections terminals.
One of the optional BAS communication modules may be included.
The MicroTech III controllers used on WCT chillers are not interchangeable with previous MicroTech II
controllers.
Communication
Figure 7, Hardware layout
Cards
BACnet/ BACnet/IP MODbus LON
MSTP
Touch Screen
OMM WCT
MicroTech III unit controller
AWM
PC
Centrifugal Chillers
Extension I/O Modules
D-EOMWC01302-16EN - 15/84