4.4 Connection to a variable frequency drive
To connect the 3-phase fan and variable frequency drive (VFD), connect the VFD to terminals 20 and 21 of the MEC24.
DO NOT connect the fan directly to the control.
Wire the ABB ACS355 series variable frequency drive according to g. 10.
Fig. 10
Wire the Enervex E-Drive variable frequency drive according to g. 11.
Fig. 11
12
3120066 MEC24 US 20210325