Neither 277 nor 240 is available. Supply is from an ungrounded 480 panel.
A smaller heater would be appropriate. Two similar instals in the plant have had issues; these things are simply being placed too close to the targets- and there's no easy way to add space.
I'd really like to give the operator a dial to turn up or down, as needed. Work stations are out of the weather (strictly speaking), yet fully exposed to outdoor temperature swings.
I'll call Athena from work tomorrow; their downloads come out in gibberish on my computer here.
