DualLite LSN - 107. RS-232 Communications Connections; 108. Final Installation Checklist

20
107. RS232 Connections
All LSN inverter systems are supplied with an RS232 communications port. This port may be used for remote
monitoring and control of the system.
Connecting the RS232 Port to a Computer or Terminal
Note: ConnectionstotheRS232portmustbewiredaccordingtoClass1wiringmethodsasdescribedinNEC
Section 725, Part B.
The LSN inverter system is provided with an industry standard DB-9 molded female cable. This cable is
located within the LSN system inverter cabinet. Connections to the supplied DB-9 cable must be made inside
the LSN inverter cabinet. A user supplied, high quality DB-9 to DB-9 or DB-9 to DB-25 communications cable
must be used to make the connection between the LSN inverter system and the monitoring computer or
terminal.
108. Final Installation Checklist
Important: Before Proceeding to the System Start-up Procedure (Section 109) Complete the Final
Installation Checklist below.
1. Insure the LSN Inverter cabinet and all battery cabinets are securely fastened together and mechanically fastened
to a wall or other structure.
2. Insure that the input circuit breaker in the building service panel serving as the AC disconnect to the LSN system
is in the OFF position.
3. Check for proper ground connections in all battery cabinets, the LSN Inverter cabinet, the building service panel,
and the external load distribution panel.
4. Check for any loose wiring connections in all battery cabinets, the LSN Inverter cabinet, the building service
panel, and the external load distribution panel.
5. Insurethatallcorrectfusesareproperlyinstalledineachbatterycabinet(SeeSection105.3).
6. Checkthatcorrectnominalbatteryvoltage(96or144VDC)ispresentintheLSNInvertercabinetbetweentheDC
InputNEGandPOSterminalblocks.RefertoSection105.3forpropersystemDCvoltage.
7. OntheLSNInverterinsurethattheMasterON/OFFSwitch,thePrechargeSwitch,theMainDCSwitch,andthe
Main AC Switch are all in the OFF position.
8. InsurethattheMaintenanceBypassSwitch(ifapplicable)andalloutputcircuitbreakersareintheoffposition.
9. Close and lock all Battery cabinet doors.