ETA/ PV direct [RE-wrenches]

[nelsonassc at aol.com]

Allen and all, 
Here's my 2 cents worth on the ETA pump system. We installed a livestock 
watering system, on a remote ranch, the beginning of June 2002. Upon  initial 
startup the system worked correctly.  Within a week the rancher called me and 
told me the pump was no longer producing water. When we went to the well site 
and completed the testing outlined in the manual we found the AC side of the 
controller had failed. I called Dankoff at the pump site and, after some 
discussion with the Dankoff crew, including Windy, a new controller was 
shipped out. A new controller was received and installed within two days. The 
ETA pump system has been working flawlessly since the new controller was 
installed. This ETA pump has a very low serial number and was sized under the 
original sizing sheet. The pumps maximum output was sized for 5.3 gal. per 
minute, however I've never seen more than 4.5 gallons per minute, in full 
sun, with a tracker. To their credit the guys at Dankoff have revised their 
sizing sheet. There is only one quirk that really "toasted" me at the well 
site. The controller has a  bizarre screw terminal angle that requires the 
screwdriver to be at such an angle as to almost be impossible to tighten the 
terminal screws that you can barely get the appropriately sized wire into. 
The solution: when I installed the second controller I removed the control 
board from the control box (four screws), added 4 in. jumpers of the 
appropriate wire to the screw terminals, put the control board back in the 
control box, and wire nutted the system wires to the jumpers. 

Sincerely,

Dave Nelson
Wyoming Solar Distributors
1215 S. 5th St.
Laramie, Wyoming  82070
307-761-0215

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