AC Control box replacement for 2009 Montana Model 3465SA

[MERICA82AA]

Hello,

Looking for help in replacing AC Control Box in my camper. Someone started it but walked away and ghosted me. Need help in connected all wires up correctly so I can get AC working.

 

[Carl n Susan]

What make and model of AC is this? The Files section (look at the Resources pull down in the above blue bar) may well have a manual.

 

[MERICA82AA]

What make and model of AC is this? The Files section (look at the Resources pull down in the above blue bar) may well have a manual.

I have connected all wires to new control board and plugged in a new thermostat and the old 5 button one and still thermostat will not cut on. I have ran a new phone line cable as well to rule that out and still no power to thermostat. Any other ideas please 90 degrees in camper.

 

[M&M]

What is the board number and model of new thermostat. 5 button may be incompatible with new board. Any lights on board to indicate it has power?

 

[Carl n Susan]

.... I have ran a new phone line cable as well to rule that out and still no power to thermostat....

A regular phone line cable will not work. While the cable looks similar, the pins are different at one end.

 

[kilch123]

There are also different ways to hook up the power feed to the thermostat (different T-Stat voltage). I had to switch mine when I installed the micro-air thermostat. I believe that the diagram on the control box shows the different color wires for the thermostat voltage output - the other wires just get capped off