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--- projects:watercooler [2013/05/13 17:36]
rbean created
+++ projects:watercooler [2017/02/09 23:08] (current)
tony3 [Additional notes]
@@ Line 68: / Line 68: @@
 {{projects:cooler:ps.jpg}}
+====Additional notes====
+  * I noticed some scale in the reservoir so I cleaned the cooler on 5/21/15
+  *  I wiped down the inside then added 1 tablespoon of bleach to a quart of water, ran that through, then I flushed a little over 10 gallons of water through the tank, alternating between the two spigots.
+  *  I managed to overheat the solenoid valve and it failed closed. I unplugged the controls, waited about 10 minutes and the valve reset itself after cooling down.
+  * I'm going to check with Ron about the metal leads, there's some galvanic action. The machine screw connected to the red wire appears to be turning a reddish yellow color.
+  * 2017-02-07 It looks like the valve likes to fail open if it has been activated continuously for a few days (like when the water is turned off at the valve, but the cooler is not turned off.)  Cleaned the valve, strengthened the spring holding it closed, put up an explanatory sign and added a loud buzzer to the overflow sensor to hopefully annoy someone enough to shut it off if it's overflowing.
+  * If you hear the alarm, immediately shut off the T-valve behind the sink and drain the cooler until the alarm shuts off.  If the water has to be shut off to the cooler for any reason, turn off the switch on the cooler so the valve doesn't sit in the open position for a long period of time and get stuck.

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