Installing an iVAC Contactor
August 11, 2020
iVAC Technical Support: 800-775-5579 Ext. 4
Page 4 of 6
Installing the Contactor with a Dust Collector that DOES HAVE a Magnetic Switch
Refer to the drawing below for installing a contactor with a dust collector that does have a magnetic
switch.
Remove the cover from the dust collector’s magnetic switch. Make a note of the terminals where the
wires of the cable that goes to the dust collector motor are connected. These are most likely labelled
“T”. Disconnect this cable from the output terminals of the magnetic switch. Also disconnect the green
ground wire of this cable. Loosen the clamp that holds the cable and remove the cable from the
magnetic switch enclosure. Install a new piece of cable into the magnetic switch and secure it by
tightening the clamp. Connect the black, white and green wires of this new piece of cable to the same
terminals to which the previously removed cable was connected. Replace the cover on the magnetic
switch.
Insert the other end of the new cable into the iVAC Contactor enclosure through one of the large cable
glands and secure it by tightening the gland cover nut. Connect the green ground wire in this cable to
the ground bar in the bottom of the contactor enclosure. Connect the black wire in the new cable to
one of the L1, L2 or L3 terminals of the contactor. It doesn’t matter which one you choose. Connect the
