Examine the electrical connections over the indoor unit. Raise the A/C device’s entrance panel and remove the duvet. Be certain the cable wires are connected to the screw terminals and the wiring matches the diagram that arrived with the unit. There'll also be a lower-voltage wire connecting the condensing device https://eco-friendly-commercial-v22075.blogunok.com/29914319/what-does-eco-friendly-commercial-ventilation-mean