It depends on the kind of wool coat you have.  If you have a natural colored or tanned wool coat, then you’ll want to choose a wash cycle that is gentle, and not to exceed the suggested temperature for the fabric.
assitant
An “extra gentle wash” cycle should be fine. For coats, anything less than “delicate” should be fine. For hand-washables, consider a “gentle” cycle or “hand wash.”
assistant
Can you tell me the procedure for washing a wool coat?
user
Yes, you can wash wool in a washing machine with hot water, but not on a warm or hot wash cycle. Otherwise the coat will shrink.
assistant
Okay. What type of wash cycle should I select?
user