omnipure 12 high temp alarm wont reset?

we have a high temp alarm on the control panel, it will not reset. Relay cr37 opens and closes very quickly on depressing reset. The cells look ok, clean and in good condition, ive shorted out the temp s/w but it still comes on when 3 pos s/w is turned either way to auto or hand??

Just after th

MOTORZ TV and Super Bowl Sunday

Chris Duke, producer and host of MOTORZ TV, may not be as well-known as Payton Manning or Drew Brees. On Super Bowl Sunday, however, this CR4 content partner plans to score a touchdown by taking his Internet-born automotive DIY show to cable and satellite TV.

Beginning on

Static connections broken, how to fix?

Hi, I have technics CD player I am refurbishing. While removing the front panel and had disconnected all the wires from the CB, I accidently broke off 2 static posts which go to the control push buttons on the front. On the back side of the buttons the plastic has a metal coating in which the static

owner

Looking for a none returning compresed air valve The air valve that will back up 5000 psi adjust from 0 to 800 psi --- needs to cycle 15 to 20 times a sec. - has to be miny as small as possibe but still do the job - we need the burst of Air in the millions of cycles --Can any one help on this Geo.

Just In Case You Thought You Had It Rough

In

January was rough. Heavy rains in the San Francisco area resulted in our finding the weak link in our roof. Busted a 28inch glue-lam and opened up a 50'x100' sky-light. And then it continued to pour for a week.
We got lucky though. It missed my ammonia piping by 4' on one side an

Curbing the Spread of Pseudoscience

When I say gain, I mean the many seemingly growing followers of ideas that are based on fledgling knowledge, unfounded speculation or some weird definition of words such as Energy, Quantum, vacuum, magnetism etc. Or as one here wrote "banality coached as science". Don't even get me started with the

February 4, 2004 – Facebook is Born

On this day in engineering history, four Harvard University students founded Facebook, a social networking website that now boasts over 350-million active users. Mark Zuckerberg, Facebook's president and CEO (image left), was then a computer science student whose claim to fame was the developme

Fault Level Current

Hi guys

On our Plant we have two transformers (22kv/525v;delta/star) supplying the MCC's in the substation, each transformer supply different section/panels and they are equipt with a bus coupler in between in case when one fails we can switch over to another one.

My question is:As

Mobile Battery for Solar Panels

Hi i need your help, I am building a project of charging a mobile battery with solar panels. For this i am using AT89S52 Micro controller. As i want the solar panels to turn around where there is most of the sunlight falling i am using photo resistors. I am using 2 photo resistors each at one end of