System Operation; Initial Comissioning Procedure - YASKAWA PVS-500 User Manual

4. System Operation

Following the installation of all equipment and confirmation of all connections and
terminations, system commissioning should commence.
4.1

Initial Comissioning Procedure

 Turn OFF and lock out all PV Combiner Boxes
 Turn OFF and lock out AC source to AC Combiner
 Turn OFF and lock out battery source
 Turn OFF all three of the XGI-1500 red on/off switches on the right side of an inverter.
 Press the DPS 500 emergency OFF (EPO) button on the front panel of the converter.
 Turn the disconnect handle on the AC combiner to the OFF position
 Turn OFF all 5 DC disconnect switches on the front of the DC Recombiner
 Turn OFF the DC disconnect switches on the DCP 500 converter.
 Remove DC Recombiner cover and verify absence of voltage from all sources
 Verify all cabling in the DC recombiner is installed correctly and torqued appropriately
 Replace DC recombiner cover
 Remove AC Recombiner cover and verify absence of voltage from all sources
 Verify all cabling in the AC Combiner is installed correctly and torqued appropriately
 Replace DC combiner cover
 Close all PV source circuit fuse holders in the combiner boxes and close the cover.
 Energize the Battery
 Turn ON source of power to the AC combiner
 Turn the DC disconnect switches on the DCP 500 converter to the ON position.
 At each combiner, turn the DC disconnect to the ON position.
 Turn ON all 5 DC disconnect switches on the front of the DC Recombiner
 Turn the disconnect handle on the AC combiner to the ON position
 Release the DPS 500 emergency off (EPO) button on the front panel of the converter.
 Turn ON all three of the XGI-1500 red on/off switches on the right side of an inverter.
 Logon to the network and confirm network access to inverters and Heila controller.
Yaskawa Solectria Solar DOCR-071069 Page 21 of 24