the lowest set point with the provided remote control is 50 degrees
it is a 240 volt unit
yes it can
you should check your local electrical codes to see if this is allowed for space heating equipment. This can be physically connected via a receptacle and cord cap of the proper voltage and amperage .
make sure you have the unit set to heat and not set on fan only
yes, I have never seen a thermostat that has a minimum set point of 68 degrees, if you have one, you want a different thermostat
6 awg copper 50 amp bkr
the second setting (hi) is an auto function if the set point is much higher than the ambient the heater will run on high until temps get closer to the set point
external thermostat terminals are available inside the unit. Not sure if it is compatible with ecobee or nest
We can get you anything that is not provided in the specifications at 1-847-324-5900 or email at http://www.ghpgroupinc.com/CTUS.html -GHP Group Customer Support