HVACR TRAINING: Paragon Mechanical Defrost Timer Explained (Paragon Defrost Timer Troubleshooting) Paragon 8045-20 / Paragon 8045-00 / Refrigerator Defrost Timer / Freezer Defrost Timer / Defrost Timer Wiring Diagram / Defrost Timer Replacement / Defrost Timer Troubleshooting / Precision 6145-0 Refrigeration Defrost Control / 6145-0 Wiring Diagram / 6145-20 Wiring Diagram / Defrost Timer Installation / Defrost Timer Replacement / Defrost Timer Troubleshooting / #JumperManTech #HVAC #HVACR #Refrigeration
Defrost controls prevent the build up of frost or ice from refrigeration system equipment and supporting component parts.
The heat output that makes the defrosting possible is provided by either an electric or hot gas defrost system. Defrosts can be programmed to occur automatically, or they can be performed manually. Key parameters to any defrost event are of course time, temperature, and/or pressure set points. The setpoints control the defrost initiation start time and termination end time. As the defrost heats the coil to remove ice, fans are on hold until the termination set point has been met.
There are two types of defrost timers used in modern refrigerators -- constant, or continuous run timers, and accumulative timers. Constant or continuous run defrost timers run continuously as long as the refrigerator is plugged in. Accumulative defrost timers run only when the compressor is running. Accumulative defrost timers are also known as demand defrost
Paragon Mechanical Defrost Timer Explained
• HVACR TRAINING: Parago...
How A Refrigerator/Freezer Defrost Timer Works/Defrost Timer
• HVACR: How A Refrigera...
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Негізгі бет HVACR: Water Source Refrigerator Not Cooling And Freezing Evaporator Coil (Defrost Timer 6145-0)
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