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Introduction
1–12
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AC and DC Disconnect Switches
Both AC and DC interface enclosures are equipped with lockout hasps for
personnel safety. The enclosure doors should not be opened while the PV225S
is
operating.
The switch handles and shafts provide a door interlock for both the AC and DC
interface enclosures. The doors cannot be opened when the switch is in the
ON
position.
The DC Disconnect Switch (S2) is equipped with an auxiliary contact block
which enables the switch to be used as a load break DC disconnect. In the event
the DC Disconnect Switch is opened while the PV225S
is processing power from
the PV array, the early-break contact block will signal the CCU2 (Converter
Control Unit 2) to stop processing power prior to opening the DC Disconnect
Switch.
Additionally, opening the DC Disconnect Switch will cause the PV225S to
execute an immediate orderly shutdown, open both the main AC and DC
contactors, and report a PV disconnect fault on the LCD of the UFCU.
Communication Features
The PV225S provides two types of information to the user:
•
system status and/or fault information, and
•
data logging information.
System status and fault information can be accessed using the Universal Front
Panel Control Unit (UFCU) or a personal computer (PC) using the Xantrex Solar
Graphic User Interface (GUI) software. Data logging requires the use of a PC
using the GUI software.
Figure 1-8
AC and DC Disconnect Switches
AC Disconnect
Switch (S1)
DC Disconnect
Switch (S2)
AC Interface Enclosure
DC Interface Enclosure
Summary of Contents for PV225S-480-P
Page 1: ...PV225S 225 kW Grid Tied Photovoltaic Inverter PV225S 480 P Operation and Maintenance Manual...
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Page 3: ...PV225S 225 kW Grid Tied Photovoltaic Inverter Operation and Maintenance Manual...
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Page 79: ...Computer Communications with the PV225S 152607 2 39...
Page 80: ...Operation 2 40 152607...
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Page 115: ...Appendix A Schematics 152607 A 5 Figure A 1 Electrical Diagram sample...
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