Stages 3, 4, and 5 can be configured for either heating or cooling. Do this through the Configuration menu. See the user manual for step-by-step instructions.
No, the two variable stages are for cooling only. The three relay stages can control either cooling or heating. The Plus-Touch can control variable heaters.
By using Stage 5's proportional cooling, you can truly run your cooling cells as evaporative cooling, by setting them to turn the pump on and off according to the proportional cycle. This will allow the fan to run by itself and pull the excess ...
Yes, the PLUS TOUCH has two available zones, so you can use one for controlling the room's main equipment based off the average of multiple probes, and a second one to control equipment off a different probe.