I just installed a 5 ton package unit in my home. Of course the control voltage wiring color code is altogether different, so I am trying to find out what the different terminals on the circuit board control. On the board I have the following terminals: C,C,D,Y,B,R. I have figured out enough to...
I have a 5 ton rooftop package unit. Checked the charge, running 95 PSI suction, and 250 PSI head. I noticed major oil in the suction line. Since this is a package unit, with no linesets or up and down hill runs, what would cause the oil in the suction line?
We are in the process of replacing our domestic water station control panel. Our current setup includes a lead and a lag pump, (460v 25 hp). We are wanting to wire the lag motor to a disconnect so that we can keep water pressure up in the building, while replacing the control panel. My question...
