Futurebit team has confirmed on e-mail:
Hi standard units controlled with a third part pc can only be shutdown with the power switch in the back.
FutureBit Team
hello@futurebit.ioHad I known this, I would never buy this device. Now, I have to use 24/7 or not at all. Cannot temperature or time control it. Once internet goes down or something, it just continues to burn power forever.