The typically refers to the Daikin-McQuay MT3021 Expansion Valve Controller , a specialized component used in commercial and industrial refrigeration systems. Product Overview
Locate the blue plastic knockout strip on the far-left side of the unit controller (or the last installed communication module) and remove it. mt3021 manual
securely onto standard 35mm DIN rail tracks inside the low-voltage section of the control panel enclosure. : If chaining the The typically refers to the Daikin-McQuay MT3021 Expansion