Benning DSP 2500, Operation And Maintenance Manual

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DSP 2500 Inverter System
10.15.07
24 028-0009-200
One 240VAC Bulk Terminal Block Output (L1, L2, G) protected by a double-pole 20A
rocker style breaker
Twist Lock L6-20R protected by a double-pole 20A rocker style breaker
Dual RJ-45 receptacles for parallel unit operation
3. 120/240VAC Output
Twist Lock L14-20R protected by a double-pole 20A rocker style breaker
One 120/240VAC Bulk Terminal Block Output (L1, N, L2, G) protected by a double-pole
20A rocker style breaker
The output Neutral is internally bonded to the frame ground for reference on the
120VAC, 240VAC and 120/240VAC models.
The 48VDC input will be at the rear of the unit and will be a two pole terminal
block that will accept up to a 2/0 two-
hole lug with 5/8” spacing utilizing a ¼” hole.
There shall be two studs for Frame Ground that will accept up to a 1 AWG two-
hole lug with 5/8” spacing utilizing a ¼” hole.
Airflow will be front to back and the front panel will have a pushbutton On/Off
button along with LED’s for power level and condition. External alarm monitoring
shall be available via a single potential free contact located at the rear of the unit.
The alarm shall be an AC relay that monitors the output of the unit and will trip
upon loss of output.
The potential free fault signal is a central fault signal. A fault signal is issued
when the inverter output voltage is not present due to a fault in the inverter.
The inverter is designed for operation up to +40°C, above that temperature; the
unit will de-rate at 2.5%Pn/°C. At +55°C, the unit will automatically go into High
Temperature Shut-down. The unit will automatically re-connect when the
temperature decreases to +53°C. The unit can be manually re-started by cycling
the ON/OFF Power push-button to manually restart the unit.