What kind of controls are you using?
In refrigeration equipment, controls are used to monitor the refrigerant pressure, the equipment and product temperature, and the electrical system.
Thermostats come in many shapes and sizes. The old style mechanicals are giving way to highly customizable electronics.
Electrical controls used in refrigeration equipment consist of relays, contactors, motor starters, phase monitors and overloads.
On lower temp applications, defrost control systems are very important.
What about the refrigeration control circuit? Using a step-down transformer?
They present their own set of problems.
All of these systems allow the controls to perform a wide range of functions.
Before attempting a refrigeration repair, you must have a good understanding of each control. What it's suppose to do and why.
From protecting the equipment to maintaining the desired product temperature, control is critical!
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