5B. ELECTRICAL INSTALLATION POWERFOIL X3.0, POWERFOIL X2.0
WITH EMI FILTER
Complete all steps in the fan Electrical Installation instructions included with the main fan unit in addition to the
steps below. Do not apply power and test the VFD until all electrical installation steps are complete.
Install Static Tube Cable
Remove the VFD cover to access the VFD (six screws).
Remove EMI Filter Screws
Discard the three screws. Do not disconnect the EMI fi lter wiring (wiring not shown). The EMI fi lter will be re-mounted
to the VFD plate with new screws in the next step.
Grommet
Note: Fire relay wiring should also be routed through provided grommet.