UPS 250, UPS 300, UPS 301, UPS 500, UPS 600, UPS 750 and UPS 900 Uninterruptible Power Supplies Caterpillar

Note: Refer to Operation and Maintenance Manual, SEBU7464, "Initial Startup Procedure" in this manual before proceeding with this procedure.

Starting the Single Module System (SMS)

• Single Module System (SMS) with a Bypass Cabinet

• SMS without a Bypass Cabinet

SMS with a Bypass Cabinet

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Illustration 1	g01797996
Side view of the Bypass Cabinet (10) Bypass Switch (11) Output Switch (12) Input Switch

1. Close the Output Switch (11) that is located in the Bypass Cabinet. Refer to Illustration 1.

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Illustration 2	g01801509
User Interface Panel on the Flywheel Cabinet (1) Keyswitch

2. Turn the keyswitch (1) on the Flywheel Cabinet to the "On-Line" position. Refer to Illustration 2.

   Note: The system will enter the "Bypassed-Auto Start" mode. The system will begin to charge the flywheel. The system will change to the "On-Line" mode when the flywheel reaches 4000 rpm.

3. Verify that the flywheel enters the "On-Line" mode. The LED on the user interface panel lights when the system enters the "On-Line" mode. Refer to Illustration 2.

   The system is ready for operation.

SMS without a Bypass Cabinet

1. Close the external output circuit breaker that connects the system output to the load of the facility.

2. Open the external bypass switch.

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Illustration 3	g01801509
User Interface Panel on the Flywheel Cabinet (1) Keyswitch

3. Turn the keyswitch (1) on the Flywheel Cabinet to the "On-Line" position. Refer to Illustration 3.

   Note: The system will enter the "Bypassed-Auto Start" mode. The system will begin to charge the flywheel. The system will change to the "On-Line" mode when the flywheel reaches 4000 rpm.

4. Verify that the flywheel enters the "On-Line" mode. The LED on the user interface panel lights when the system enters the "On-Line" mode. Refer to Illustration 3.

   The system is ready for operation.

Starting the Multiple Module System (MMS)

Single Input Without Switches

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Illustration 4	g01779897
System Cabinet The switches go from MMU 1 to MMU 4 in a descending order. (6) Input Isolation Switches (7) Output Isolation Switches

1. Close the Input Isolation Switches (6) that are located in the System Cabinet for each MMU. Refer to Illustration 4.

2. Close the Output Isolation Switches (7) that are located in the System Cabinet for each MMU. Refer to Illustration 4.

3. Connect the output bus of the system to the load of the facility.

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Illustration 5	g01801509
User Interface Panel on the System Cabinet (1) Keyswitch

4. Turn the keyswitch (1) on the System Cabinet to the "On-Line" position. Refer to Illustration 5.

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Illustration 6	g01802256
User Interface Panel on the MMU Cabinet (2) Keyswitch

5. Turn the keyswitch (2) on each MMU to the "Online" position. Refer to Illustration 6.

   Note: The system will enter the "Bypassed-Auto Start" mode. The system will begin to charge the flywheel. The system will change to the "On-Line" mode when the flywheel reaches 4000 rpm.

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Illustration 7	g00948128

6. Hit the "Menu" button on the User Interface Panel of the last MMU. Refer to Illustration 7.

7. Select "Telemetry".

8. Select "MMU Summary".

9. Verify that the MMU is in the "Online" mode. The flywheel should be spinning at 7700 rpm and the energy should be at "100%". Perform this procedure for each MMU.

10. The system is ready for operation.

11. Verify that the "KVA" and the "KW" values are equal to the load of the facility on the User Interface Panel of each MMU.

Single Input With Three Switches

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Illustration 8	g01779897
System Cabinet The switches go from MMU 1 to MMU 4 in a descending order. (6) Input Isolation Switches (7) Output Isolation Switches

1. Close the Input Isolation Switches (6) that are located in the System Cabinet for each MMU. Refer to Illustration 8.

2. Close the Output Isolation Switches (7) that are located in the System Cabinet for each MMU. Refer to Illustration 8.

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Illustration 9	g01802293
Input/Output Cabinet (3) Maintenance Bypass Switch (4) Output Isolation Switch (5) Input Isolation Switch

3. Close the Output Isolation Switch (4) that is located in the Input/Output Cabinet. Refer to Illustration 9.

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Illustration 10	g01801509
User Interface Panel on the System Cabinet (1) Keyswitch

4. Turn the keyswitch (1) on the System Cabinet to the "On-Line" position. Refer to Illustration 10.

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Illustration 11	g01802256
User Interface Panel on the MMU Cabinet (2) Keyswitch

5. Turn the keyswitch (2) on the MMU Cabinet to the "Online" position. Refer to Illustration 11.

   Note: The system will enter the "Bypassed-Auto Start" mode. The system will begin to charge the flywheel. The system will change to the "On-Line" mode when the flywheel reaches 4000 rpm.

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Illustration 12	g00948128

6. Hit the "Menu" button on the User Interface Panel of the last MMU. Refer to Illustration 12.

7. Select "Telemetry".

8. Select "MMU Summary".

9. Verify that the MMU is in the "Online" mode. The flywheel should be spinning at 7700 rpm and the energy should be at "100%". Perform this procedure for each MMU.

10. The system is ready for operation.

11. Verify that the "KVA" and the "KW" values are equal to the load of the facility on the User Interface Panel of each MMU.

Dual Input Without Switches

1. Apply facility power to the Bypass Input of the system.

2. Apply facility power to the input node of the system.

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Illustration 13	g01779897
System Cabinet The switches go from MMU 1 to MMU 4 in a descending order. (6) Input Isolation Switches (7) Output Isolation Switches

3. Close the Input Isolation Switches (6) for each MMU that are located in the System Cabinet. Refer to Illustration 13.

4. Close the Output Isolation Switches (7) for each MMU that are located in the System Cabinet. Refer to Illustration 13.

5. Connect the output bus of the system to the load of the facility.

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Illustration 14	g01801509
User Interface Panel on the System Cabinet (1) Keyswitch

6. Turn the keyswitch (1) on the System Cabinet to the "On-Line" position. Refer to Illustration 14.

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Illustration 15	g01802256
User Interface Panel on the MMU Cabinet (2) Keyswitch

7. Turn the keyswitch (2) on the MMU Cabinet to the "Online" position. Refer to Illustration 15.

   Note: The system will enter the "Bypassed-Auto Start" mode. The system will begin to charge the flywheel. The system will change to the "On-Line" mode when the flywheel reaches 4000 rpm.

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Illustration 16	g00948128

8. Hit the "Menu" button on the User Interface Panel of the last MMU. Refer to Illustration 16.

9. Select "Telemetry".

10. Select "MMU Summary".

11. Verify that the MMU is in the "Online" mode. The flywheel should be spinning at 7700 rpm and the energy should be at "100%". Perform this procedure for each MMU.

12. The system is ready for operation.

13. Verify that the "KVA" and the "KW" values are equal to the load of the facility on the User Interface Panel of each MMU.

Dual Input With Two Switches

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Illustration 17	g01779897
System Cabinet The switches go from MMU 1 to MMU 4 in a descending order. (6) Input Isolation Switches (7) Output Isolation Switches

1. Close the Input Isolation Switches (6) for each MMU that are located in the System Cabinet. Refer to Illustration 17.

2. Close the Output Isolation Switches (7) for each MMU that are located in the System Cabinet. Refer to Illustration 17.

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Illustration 18	g01798373
System Cabinet (3) Maintenance Bypass Switch (4) Output Isolation Switch

3. Close the Output Isolation Switch (4) that is located in the Input/Output Cabinet. Refer to Illustration 18.

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Illustration 19	g01801509
User Interface Panel on the System Cabinet (1) Keyswitch

4. Turn the keyswitch (1) on the System Cabinet to the "On-Line" position. Refer to Illustration 19.

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Illustration 20	g01802256
User Interface Panel on the MMU Cabinet (2) Keyswitch

5. Turn the keyswitch (2) on the MMU Cabinet to the "Online" position. Refer to Illustration 20.

   Note: The system will enter the "Bypassed-Auto Start" mode. The system will begin to charge the flywheel. The system will change to the "On-Line" mode when the flywheel reaches 4000 rpm.

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Illustration 21	g00948128

6. Hit the "Menu" button on the User Interface Panel of the last MMU. Refer to Illustration 21.

7. Select "Telemetry".

8. Select "MMU Summary".

9. Verify that the MMU is in the "Online" mode. The flywheel should be spinning at 7700 rpm and the energy should be at "100%". Perform this procedure for each MMU.

10. The system is ready for operation.

11. Verify that the "KVA" and the "KW" values are equal to the load of the facility on the User Interface Panel of each MMU.

Dual Input With Three Switches

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Illustration 22	g01779897
System Cabinet The switches go from MMU 1 to MMU 4 in a descending order. (6) Input Isolation Switches (7) Output Isolation Switches

1. Close the Input Isolation Switch (6) that is located in the System Cabinet. Refer to Illustration 22.

2. Close the Output Isolation Switch (7) that is located in the System Cabinet. Refer to Illustration 22.

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Illustration 23	g01779896
Input/Output Cabinet (3) Maintenance Bypass Switch (4) Output Isolation Switch (5) Input Isolation Switch

3. Close the Output Isolation Switch (4) that is located in the Input/Output Cabinet. Refer to Illustration 23.

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Illustration 24	g01801509
User Interface Panel on the System Cabinet (1) Keyswitch

4. Turn the keyswitch (1) on the System Cabinet to the "On-Line" position. Refer to Illustration 24.

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Illustration 25	g01802256
User Interface Panel on the MMU Cabinet (2) Keyswitch

5. Turn the keyswitch (2) on the MMU Cabinet to the "Online" position. Refer to Illustration 25.

   Note: The system will enter the "Bypassed-Auto Start" mode. The system will begin to charge the flywheel. The system will change to the "On-Line" mode when the flywheel reaches 4000 rpm.

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Illustration 26	g00948128

6. Hit the "Menu" button on the User Interface Panel of the last MMU. Refer to Illustration 26.

7. Select "Telemetry".

8. Select "MMU Summary".

9. Verify that the MMU is in the "Online" mode. The flywheel should be spinning at 7700 rpm and the energy should be at "100%". Perform this procedure for each MMU.

10. The system is ready for operation.

11. Verify that the "KVA" and the "KW" values are equal to the load of the facility on the User Interface Panel of each MMU.