I have one of these awesome units and was wondering how to start the flush function. After filling my reservoir, the 3 cylinders are still full of water. is this normal?

It will flush after it senses that the reservoir is full then once it's done then the housings will fill

I'm just setting my unit in the sink when I need ro/di, then the water tube is submerged in a 5g pail. how does it know when the reservoir is full? I'm thinking the canisters shouldn't be full of water when I put it away.

You need a float valve on your reservoir, the computer will sense back pressure and stop production.

Here is mine installed but not yet plumbed.


http://farm9.staticflickr.com/8263/8...7aa229d4_c.jpg

Membrane needs to stay wet to avoid permanent damage and should be periodically flushed to avoid bacterial growth. You need to set up a float and auto shut off, it doesn't just know when the reservoir is full.

It's hooked up to the faucet, when my reservoir is full, i just turn off the tap. Easy peasy. Wondering how to get rid of the water in the canisters. if constant water in the filters is not a problem, then i'm all good. thanx

The di resin is should also always be wet as soon as its exposed to air it seems to go bad. Just my advice but I would not use just a pail only a matter of time before the hose falls out or you forget it on. I recommend at least to drill the pail and put in a float valve. I have ball valves on the outlet so I close it off and then they all fill. It knows the reservoir is full of pressure switches and when the outlet get blocked by float valve or manual ball valve it shuts the unit down.

Keep the canisters filled at all times
This keeps air out and bacteria will be minimized

I close my outlet valve before closing the source water valve. This keeps my system full and bacteria free