American Power Conversion 250 A Installation, Total power off procedure, Operating environment

Warnings

Installation

For complete installation instructions, refer to the Electrical Installation Manual.

See also

Install the ATS in accordance with the National Electrical Code (NFPA 75) in the United States, or in accordance with the Canadian Electrical Code (CSA C22.1-02) in Canada.

When connecting Source 1 power to the ATS, install an external circuit breaker to protect against over-current conditions. The external circuit breaker must be rated at 250 A, with a symmetrical ampere rating of 35,000 rms.

Total power off procedure

To reduce the risk of electric shock or injury to personnel, disconnect all sources of power supply before servicing. To disconnect all sources of supply, follow this procedure:

1.Set the Automatic Operation switch on the dead front of the ATS to Disable.

2.Set the Source 1 switch on the ATS to OFF.

3.Set the Source 2 switch on the ATS to OFF.

4.Set the main Source 1 circuit breaker to OFF.

5.Set the main Source 2 circuit breaker to OFF.

6.If Source 2 is a generator, set the generator control switch to OFF. If OFF is not an option, set the generator control switch to Manual.

Operating environment

The ATS is designed for indoor use only; protect from water and conductive contaminants.

Temperature: 23 to 104°F (–5 to 40°C)

Humidity: 0–95%, non-condensing

Elevation: 6,562 ft (2000 m)

InfraStruXure Power Generation System 3