Specifications

2033D Specification

The microprocessor shall monitor each step, thus prompting itself to the next step

of the instructions. The following instructions shall be available as a minimum:

a. Inverter stop.

b. Inverter start.

c. UPS shutdown.

d. UPS startup

e. Transfer of load to static by p ass.

f. Equalize charge to system battery.

5.4.2 Microprocessor Controlled Metering

All meters shall be digitally displayed having an accuracy of 1% or better. The

following parameters shall be available for display:

a. Converter input voltage (A-B phases)

b. Converter input frequency

c. Battery voltage

d. Battery charging/discharging current

e. Battery capacity remaining during power failure conditions

f. Bypass input voltage (A-B phase)

g. Output voltage (all phases including line-line and line-neutral)

h. Output frequency

i. Output current in RMS Amps and % Amps (all phases including line and

neutral)

j. Load Effective Power (Real, kW)

k. Load Power factor

5.4.3 Microprocessor Controlled Diagnostics

The UPS shall provide microprocessor controlled diagnostics capable of retaining

fault alarms along with metering parameters in the event of a UPS failure. The

microprocessor memory data shall be viewed via an LCD display located at the

control panel. The following alarm/status information shall be provided as a

minimum:

a. AC Input Contactor Condition (Open or Closed)

b. Converter Input out of Range

c. Converter Operation

d. Converter Supplying DC Power

e. DC (Battery) Contactor Condition (Open or Closed)

f. Battery Operation

g. Battery Low Voltage

h. Battery Depleted

i. Battery Temperature Abnormal

j. Battery Charge/Discharge Operation

k. Equalize Charge Activated