Hi There

I'm having an issue when rendering my filtered timelapse sequence out of LR and into a video to then be edited in premier.
The issue i'm having is when choosing the render destination (this case being an external hard drive) when it gets to about half way through rendering out, i notice that all my internal space on my macbook is being used up.
A colleague of mine told me that it renders out to a temp file onto your root drive before copying out to the destination drive.
Is there any way on a mac version of LR Timelapse to have the video sequence render out directly onto the external hard drive and not onto the internal drive to then be copied once finished?

Hopefully that all makes sense.