enaly ozx-300at, failed on the 2nd day...

Hey guys I bought my 1st ozone generator
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=230182424233
which I hope is manufactured by enaly (the manual of the product that I received mentions the name "enaly" with big letters).

I intent to use it only for drinking ozonated water and I need some advice because the one time I've used it so far made me a little scared. I ozonated 3 glasses of water (3 x 5 min on high), I drank 1, the room started to smell like ozone (I guess) and I got a little dizzy. Is it supposed to reach the (safe?) level that can be detected by smell with only 10-15 mins of use?

One more thing, from the manual "silica beads can be reheated for about 4 to 5 times and then need to be replaced. Contact Enaly" that was a bad surprise. Is it dangerous to use the generator without the air dryer (e.g. nitric acid)?
Thanks for taking the time to answer.. Tweet