"trader_4" wrote in message
...
On Saturday, July 1, 2017 at 7:09:00 AM UTC-4, Sherlock.Homes wrote:
Seems to be 120vac from red to ground and 120vac from black to ground
but no
voltage between red and black, which should be 240vac. Reading was
taken at
the external dissconnect. What might cause this?

Thanks,
S

Is the disconnect open or closed?

Open and closed, with fuses and without and the fuses read about 1 ohm so I
think they are good. It's all moot now since the A/C guys are coming - my
window of opportunity passed - the wife wants the AC back YESTERDAY.

S