T-240 circuit problem [RE-wrenches]

[Allan Sindelar]

----- Original Message ----- 
From: "Matt Tritt" <solarone at charter.net>


> We were advised against inverter to inverter
> connections by the manufacturer of a similar type pump. They were
concerned
> about "locking" between the two units since both use an "artificial"
> sinewave.

No direct experience with your situation. However, two related notes:
1. We have never seen a failure with a T-240--or the preceding T-220 either.
About 6 months ago we had a case (not our original installation) of one in a
generator step-down mode that was hot, and smelled hot. To their credit,
Xantrex tech support was very helpful and interested, as they had close to a
zero failure rate with the T-240 (nice to have something with that kind of
record, eh?). Turned out to be a poorly wired plug on a distant generator,
that was only allowing one leg of the gennie output in, then trying to
balance it. Replaced cap and heavier SO cord and the system has been fine.
2. The Yamaha EF3000iSE is the best thing to come along in years for a
backup charging source. It has an inverter built in. It sends 120VAC power
to an inverter. No reports of failure yet, and easily the highest charge
rate we've ever seen on a mod-square DR. And from a unit only rated at 3kW,
located at >6k feet elevation. So in this case inverter to inverter works
well.

Allan at Pos E

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