Operating instructions

5
1. INTRODUCTION
1.3 SPECIFICATIONS,
continued
Regulation
Input Voltage (VAC) +/- 15%
Input Frequency (Hz) +/- 3%
Output Voltage (VAC) +/- 5%
Output Frequency (Hz) +/- 1%
Inverter Frequency Stability +/-0.05%
Output Current Limit 150% of maximum output rating
Transfer Time less than 16 ms
Efficiency 90% typical @ rated load (LINE)
85% typical @ rated load (STANDBY)
Battery Type Gelled electrolyte (or equiv) 12 VDC batteries
Battery Low Voltage Cutout 31.5 VDC (1.75 Volts per cell)
Battery Recharge Acceptance 37.5 VDC (typical)
Battery Float Charge Voltage 39.0 VDC to 44.4 VDC (selectable)*
(2.16 VDC to 2.31 VDC per cell)
Battery Equalize Charge Voltage 39.0 VDC to 44.1 VDC (selectable)*
(2.16 VDC to 2.46 VDC per cell)
Temperature Compensation -0.05 Volts/
0
F (-0.09 Volts/
0
C)
Battery Charging Current 10 Amps maximum
Battery Recharge Time 12 hours typical (from low cutout) with 75 Ah batteries
Operating Temperature Range -40
0
to +122
0
F (-40
0
to +50
0
C)
Finish Gray, Powder Coat Paint
Dimensions Enclosures:
PME 22" W x 24" H x 14" D (559mm x 610mm x 356mm)
PWE 24" W x 24" H x 14" D (610mm x 610mm x 356mm)
UPE 28" W x 35.3" H x 17" D (711mm x 889mm x 432mm)
UPE/M 28" W x 45" H x 21.3" D (711mm x 1143mm x 540mm)
Modules:
All AM Series 14.5" W x 10.0" H x 12.0" D (368mm x 254mm x 305mm)
Weights Enclosures:
PME 34 lbs. (15.4 kg)
PWE 47 lbs. (21.4 kg)
UPE 66 lbs. (30.0 kg)
UPE/M 124 lbs. (56.4 kg)
All specifications are at load @ 77
0
F (25
0
C)
* When using APM, charge voltages should be user selected according to specific battery manufacturer’s recommendations.