If you have an old refrigerator/freezer combo unit without digital controls, the temperature settings are typically adjusted using manual controls or mechanical dials. Here's how you can set the temperature on such a unit:
Locate the control dial: Look for a dial or knob inside the refrigerator or freezer compartment. In older models, it is usually situated towards the back or side walls, near the top or bottom of the unit.
Understand the temperature scale: Some units may have a numerical scale indicating the temperature range, while others may use general settings like "Min" to "Max" or "Colder" to "Warmer." Familiarize yourself with the specific temperature scale used by your unit.
Set the desired temperature: Use the dial or knob to adjust the temperature to your preferred setting. For colder temperatures, turn the dial towards the coldest setting or towards "Max" or "Colder" if applicable. For warmer temperatures, turn it towards the warmer setting or towards "Min" or "Warmer."
Gradual adjustments: Since older units may not have precise temperature control, it's best to make gradual adjustments and monitor the temperature over time. Observe the temperature inside the unit using a thermometer placed in the refrigerator or freezer to ensure it is maintaining the desired temperature range.
Allow time for stabilization: After making adjustments, it may take several hours for the temperature to stabilize. Avoid making frequent changes to the settings, as it may disrupt the cooling process and lead to inconsistent temperatures.
Remember, the specific controls and temperature range can vary depending on the model and manufacturer of your refrigerator/freezer combo unit. If you have the user manual for your appliance, it would provide detailed instructions on setting the temperature and any specific recommendations from the manufacturer.