It really depends on your environment and what kind of effort you want to put into the plant. It sounds like your environment is at least favorable to support the aerial roots, so that's a good sign. It's good that you are starting with a plant with an abundance of aerial roots, and not one that is accustomed to being stuffed in a pot.
Be sure to attach the plant firmly to the mount, so it can't wiggle around while the root tips find their way onto the wood. Zip ties, floral wire, or any other non-bio-degradable substance can be used, then removed in about a year when the orchid's roots are firmly attached. Also consider tying individual healthy roots close to the wood to speed along the attachment process. You'll want to soak the wood thoroughly to water it, and you'll need to water more frequently than you water a potted plant. Consider packing a bit of Spanish or sphagnum moss around the roots to raise the humidity, especially if you see your once plump roots begin to wrinkle.
There are many great articles on this site that can give you direction.
If you're nervous about it, consider a hybrid approach! I put a couple of my phals on mounts and noticed they were suffering from the drier conditions. So, I incorporated their mounts into basket arrangements with other plants. I've attached some pictures of one of my arrangements to give you an idea.
I monitor the orchids' roots to make sure they grow only on the mount and not into the medium in the basket. The basket's contents provide humidity. Plus, it looks pretty.
Some orchids just didn't adapt to being mounted and had to be removed after a few months. But, it really helped some of my orchids, whose roots plumped up significantly after being placed in the basket.
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