Preventative Maintenance

Maintenance Safety

Prior to following any Maintenance Procedures, follow the System Shutdown and Lock-out and Tag procedure.

Operational Safety Procedures

Never work alone when servicing this equipment. A team of two is required until the equipment is properly de-energized, locked-out and tagged, and verified de- energized with a meter. Thoroughly inspect the equipment prior to energizing. Verify that no tools or equipment have inadvertently been left behind.

WARNING: Shock Hazard

Review the system schematic for the installation to verify that all available energy sources are de-energized. DC bus voltage may also be present. Be sure to wait the full 5 minutes to allow the capacitors to discharge completely.

De-Energize/Isolation Procedure

The following procedure should be followed to de-energize the PV100S for maintenance:

WARNING: Shock Hazard

The terminals of the DC input may be energized if the PV arrays are energized. In addition, allow 5 minutes for all capacitors within the main enclosure to discharge after disconnecting the PV100S from AC and DC sources.

To isolate the PV100S:

1.Turn the ON/OFF switch to the OFF position.

2.Open the DC interface disconnect switch.

3.Open the AC interface disconnect switch.

4.Open the utility connection circuit breaker.

5.Install lockout devices on the utility connection circuit breaker and DC disconnect switch.

5–2

152379 Rev C

Page 98
Image 98
Xantrex Technology PV100S-208 manual Maintenance Safety, Operational Safety Procedures, De-Energize/Isolation Procedure