9. For best performance the ambient conditions should be less than 80°F with a relative humidity below 65%.
10. Ensure the automatic defrost cycle is set to keep the evaporator fan coil free of ice with proper air flow or the unit
won’t maintain the right temperature. The set point for a refrigerator should be between 35° and 40°F to
preserve the shelf life and freshness of your stored products without needing to worry about a frozen evaporator.
11. Periodically inspect the displayed appliance temperature and measure steady state product temperature with a
calibrated high-quality digital thermometer. The two readings should be within 4º F and be below the
recommended product holding temperature established by your operating procedures.
12. The cooling fins are subject to clogging with grease, dust and other particulates even if an air filter is in place.
The cooling fins should be cleaned using a commercial vacuum and if necessary, a degreaser at least 3 times a
year. Do not use a wire or stiff bristle brush to avoid fin damage.
13. Any refrigeration system will generate condensate by cooling the air as it circulates through the appliance. At
least twice a year, the drain line or condensate evaporator needs to be tested to ensure the generated
condensate is being adequality dealt with, and thoroughly cleaned/descaled so the condensate is always
properly evacuated from the appliance.
14. The refrigeration system comes with a controller or thermostat to regulate the cold compartment temperature.
New digital controllers have a differential setting that establishes when the refrigeration system cuts in and out
around the selected set point. A 3° or 4°F differential is recommended for most applications to deliver tight
temperature regulation without short cycling the compressor.
15. Only load the unit with pre-cooled product at temperature, warm product can result in undesired consequences.
16. Jerking on the door to reopen it immediately after it has been closed (before the internal and external pressures
are again equal) will damage the gasket necessitating its replacement and possibly result in higher holding
temperatures for the appliance due to the continual ingress of warm air.
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