Product Manual A

4. Operation11-2017

WARNING

Automatic transfer switch operation results in rapid movement of the manual operator

handles and presents a hazard of severe personal injury. Keep hands clear of handles when

switching back to automatic operation.

8. To return to automatic operation, restore power to the control by reconnecting the J1 connector.

9. Move the circuit breaker handle to the ON position.

NOTICE

If the trip button was pressed in the previous steps, the circuit breaker handle must first be

moved to the OFF position and then moved to the ON position.

10. For type 3R and 12 cabinets, close the cabinet outer door.

4.2.2 Pushbutton Operation

The following sections describe the operation of the pushbuttons that are located on the control panel.

4.2.2.1 Test Pushbutton

The Test button is used to:

• Start a generator set test. The Test LED flashes if the Test pushbutton is pressed and held for two

seconds.

• Terminate a generator set test. The Test LED goes out if the Test pushbutton is momentarily

pressed.

4.2.2.2 Override Pushbutton

The Override button is used to:

• Terminate the following system time delays:

◦ Time Delay Engine Start (TDES)

◦ Time Delay Normal to Emergency (TDNE)

◦ Time Delay Emergency to Normal (TDEN)

• Bypass the TDNE timer and transfer the load immediately during an active Transfer Inhibit input.

• Bypass the TDEN timer and retransfer the load immediately during an active Retransfer Inhibit input.

• Stop the Utility Power Connected LED from flashing as a result of a failure to connect to or

disconnect from the utility when commanded.

• Stop the Genset Power Connected LED from flashing as a result of a failure to connect to or

disconnect from the generator set when commanded.

• Cancel an active exercise period.

The Program Transition (TDPT), Elevator signal (TDEL) and Engine Cool Down (TDEC) time delays are

not affected by pressing this pushbutton.

4.2.2.3 Set Exercise Pushbutton

This pushbutton is only used with the integrated exerciser and only functions if the External Exercise

function is disabled (set to OFF).