Sterlco M2B+ Controller - Manual (Page 36)

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5-5 Using the Second Setpoint Function
With this function, the user can send the controller a dry contact closed signal to activate the
second setpoint. Opening the dry contact causes the controller to revert to the primary
setpoint. To reinitiate the second setpoint, the switch must be closed again.
Use the following procedure to enable the second setpoint function:
1. Press the Index button three times to access the Secure menu.
2. Press the Enter button.
3. Press the Index button until the display reads “SP2/RmtStart.”
4. Press the Enter button.
5. Use the Up and Down buttons to change the value to “SP2.”
6. Press the Enter button to accept the change.
7. Press the Alarm Silence button to return to Running mode.
8. Press the Index button to access the Primary menu.
9. Press the Enter button.
10. Press the Index button until the display reads “Aux Set Point.”
11. Press the Enter button.
12. Use the Up and Down buttons to change the value. The range is between the
SetPtLoLimit and the SetPtHiLimit in the Secure menu.
13. Press the Enter button to accept the change.
14. Press the Alarm Silence button to return to Running mode.
5-6 Using the Remote Start Function
With this function, the user can send the controller a dry contact closed signal to activate the
controller. Stopping the unit can be done one of two ways: removing the signal or pressing
the Stop button on the face of the controller. Either method will initiate the Automatic
Shutdown routine within the controller. The remote contact must be opened to reset the
controller.