TP-6745 7/1072 Section 3 Controller Test and Replacement
25. Check the controller’s DIP switch settings and
adjust them if necessary. See Section 3.10,
Controller DIP Switches.
26. Close and lock the transfer switch enclosure door.
27. Reconnect power to the transfer switch by closing
circuit breakers or switches.
Note: Power to the controller is required in order to
check and adjust the controller settings. If all
the power sources are generator sets,
reconnect the normal source generator set
engine starting battery and move the
generator set master switch to the AUTO
position.
Set up the new controller.
28. If the configuration settings (.cfg) file for the
transfer switch was downloaded from the old
controller, load it onto the new controller through
the USB port. See Section 3.16.1. See Section
3.14 for instructions to load the file.
29. If the configuration settings file cannot be loaded
through the USB port, use the controller user
interface to c heck and adjust the system settings
for the application. Check the system voltage,
frequency, number of phases, phase rotation, time
delays, and other user-adjustable settings. Refer
to the MPACt 1500 operation manual for setup
instructions.
Note: Power switching device and ATS serial numbers
can only be entered through Modbus using
Monitor III or a customer-supplied Modbus driver
and the distributor-level password.
30. Program input 1 on the main logic board to Inhibit
Transfer. Refer to the MPACt 1500 operation
manual for setup instructions.
Verify operation.
31. Reconnect the generator set engine starting
battery, negative (--) lead last.
32. Move the generator set master switch to the AUTO
position.
33. From the main screen, press the down arrow
button and then press the LAMP TEST button to
verify that all LEDs light.
34. Run a loaded test to check the system operation.
See Section 3.6, System Test.
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