APC 10-40kW 208/480V User's Guide download pdf (Page 27)

Start-up and Shutdown Procedure

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User Guide APC BC300 Series 40kW 208/450/480V UPS 27

7.0 Start-up and Shutdown Procedure

7.1 Start-up from Maintenance Bypass

This section contains instructions on how to start the UPS from maintenance bypass. The steps

in this procedure apply to units with an APC-supplied Maintenance Bypass Panel.

1. Make sure that the following switches are in the following positions:

The UPS AC disconnect switch should be “OFF”.

The UPS bypass switch should be on “LINE”.

The battery breaker should be “OFF”.

2. Switch the UPS AC disconnect switch “ON”. The UPS display should show “System type

xxkVA xxxV”.

3. Within 20 seconds, the UPS display should show **Stand-by** and an audible alarm should

sound.

4. Ensure that the external battery breaker for the battery system is set to “OFF”.

5. Turn the pre-charge/discharge switch to the “pre-charge” position and keep it in this

position until the LED turns off.

6. Switch the battery breaker “ON”.

7. Press the green “on” button located inside the front door of the UPS. The UPS display

should show “Normal operation load power xx%”.

8. Program the unit into static bypass operation:

a. Press to access the user parameters.

b. Press the or key until the display shows “Bypass operation: OFF”.

c. Press to turn static bypass operation on. The display should show “Bypass

operation”.

9. Set the UPS bypass switch to “UPS”.

10. Program the unit to normal operation:

a. Press to access the user parameters.

b. Press the or key until the display shows “Bypass operation: ON”.

c. Press to turn static bypass operation off. The display should show “Normal

operation load power xx%”.

7.2 Shutdown Procedure

WARNING

After shutting down the unit, wait at least five minutes before removing any access panels or

covers. Access panels should be removed by authorized service personnel only.

After the UPS has been shut down, the unit may still contain high voltages.

TEST BEFORE YOU TOUCH!

Before continuing, read the warnings on the inside front cover of this manual.

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APC 10-40kW 208/480V User's Guide Page 27