Where do I adjust the thermostat on my NAPA, MONTEREY, or SONOMA manual defrost unit?
To adjust the temperature on a Napa or other manual defrost units, locate the thermostat which is located inside the refrigerator on the ceiling in the upper left corner. Turning the thermostat clockwise will lower the temperature, whereas turning it counterclockwise will raise the temperature. A 1/16th turn will change the temperature approximately 3 degrees F. Be sure to wait two hours between adjustments. *Note: If your unit is running at the proper temperature for an extended period of time and it suddenly or gradually strays from the optimal temperature, take care. This may be a sign of a more serious problem. Such problems may include inadequate air flow across the rear coils, low refrigerant levels, or a compressor failure.
