Heatcraft Refrigeration 5508Q Heater 320788-704 Why is my 3VX500 squealing

Why is my 3VX500 squealing only during motor startup

It maintains the same 62 lb-in torque rating and wiring configuration

provided the rim speed does not exceed 6

This specific model utilizes a diaphragm-actuated sensing element

The physical integration is straightforward with a 3/8" Flare (SAE) suction line and a 1/4" ODF (Sweat) discharge line

Heatcraft Refrigeration 5508Q Heater 320788-704 Why is my 3VX500 squealingAs a seasoned technician, you know that a frozen drain line can lead to a messy service call and potential water damage in walk in freezers. The Heatcraft Refrigeration 5508Q Heater is a mission critical OEM replacement part designed specifically for commercial refrigeration drain line freeze protection. At 72 inches (6 feet) in length, this 240V 42Watt heater wire provides the precise thermal output needed to maintain clear condensate flow in high