TM 5-3895-374-24-2In the "OPERATOR" mode the controller has the display option programmed into it such that theprocess or hot oil temperature and the current set point are displayed simultaneously. Thisoption informs the user of these two pieces of information on a continuous basis.The other keys on the controller are used to access the other modes ("CALIBRATION" and"TUNE"). A detailed explanation of all the operating modes in the temperature controller ispresented in SECTION 6.Z: HEATER COMPONENTS TEMERATURE CONTROLLER.The set point temperature on the ECLIPSE Model 2004 serves two purposes. First, it is thetemperature around which the burner will turn on and shut off. It is factory set to have the burnercome on at 20°F below the set point and shut off at 5F above the set point. Second, the setpoint temperature is the temperature around which the burner will modulate (i.e. change firingrates). The burner will begin to modulate from its full firing rate (i.e. high fire) at 15F below theset point. It will be at its lowest firing rate at approximately the set point. The following exampleshould help clarify the role of the set point as temperature is increasing.(page 3 - 943)
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