WASHER-SPRING 1204339 - Caterpillar

Illustration 1 g00827105
Start the generator and verify that the voltage, the frequency, and the phase match the normal power source. Shut down the generator and set the generator to the AUTO position. Complete a visual inspection of the transfer switch and close the cabinet door.Initiate the test by pressing the "4" key on the keypad. The controller will then prompt you for your access code. After the access code is entered, three options of tests will appear: "STD LOAD", "FAST LOAD" and "NO LOAD"."STD LOAD" - This test simulates normal line failure. The load is then transferred to the emergency power source."FAST LOAD" - This test presets all of the timer cycles to a maximum of 30 seconds before the switch transfers to the emergency power source. After completion of the test, all of the timers are reset to the original values."NO LOAD" - This test will start the generator but the no-load test does not transfer the load to the emergency power source.Press the test button that is desired and hold the test button that is desired until the switch transfers to the emergency power source. For the no-load test, hold the button until the generator has run for the desired amount of time.Note: Releasing the "TEST" button before the switch transfers to the emergency power source will terminate the test.In order to start the transfer back to the normal power source, deactivate the "TEST" button. The transfer switch will complete the transfer back to the normal power source after the delay for the transfer to the normal power source has elapsed. The engine overrun timer allows the generator set to run without a load for a preset cool down period.For the CTSD transfer switches, there is a delay timer which delays the transfer from OPEN to EMERGENCY. There is also a delay timer that delays the transfer from OPEN to NORMAL.