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Upright Portable Hot Oil TCUs Chapter 4: Operation 24
Chapter 4: Operation
4-1 Start-up
1. Push the PUMP START button to start the pump.
2. When the unit has built at least five (5) psi (34.5 kPa) of pressure, wait two (2)
minutes, then select a set point of 100°F (38ºC) and switch the unit into AUTO mode.
As the oil warms up, viscosity decreases and pressure falls.
3. Four to six inches (4” to 6” / 10 cm to 15 cm) of fluid should be visible in the sight
glass.
4. Select a process set point on the controller.
4-2 Controller Description & Operation
The M2B+ controller is an easy-to-operate microprocessor-based PID control device. When
the process reaches the set point, the PID control cycles the cooling valve and/or immersion
heater to maintain the proper leaving temperature.
The controller has been fully factory tested. Set the desired process temperature set point and
the controller does the rest.
Built-in range of operation on the controller is -4°F to 120°F (-20ºC to 49ºC).
Refer to the M2B+ Owner’s Manual supplied with your unit for specific operation
instructions.