Outback Power Systems vfx 3232m Benutzerhandbuch

Copyright 2003  



  OutBack Power Systems, Inc.                              

19009 62

nd

 Ave NE, Arlington   WA 98223 USA                                                                  

900-0027-1

                                                         

Tel 360 435 6030     Fax 360 435 6019                                                                      

Rev 7.2

      08/26/05 

                 

Page 7 

NOMINAL SYSTEM AC VOLTAGE:   

 

 

 

This is the AC output voltage produced by an FX system.  Each FX produces 120 VAC but multiple FXs can be configured in 
parallel, series or 3-phase to produce different voltages between their AC output connections.  
Single Phase     

120 VAC at 60 Hz  (VAC = volts AC, Hz = hertz)  

 

 

Series Stacked    

120 VAC at 60 Hz per AC output leg / 240VAC at 60Hz between the AC output legs 

 

Parallel Stacked  

120 VAC at 60 Hz on one AC output leg 

 

 

Three Phase Stacked 

120 VAC at 60 Hz per AC output leg / 208 VAC at 60 Hz between AC output legs (Y-connected) 

RECOMMENDED DC VOLTAGE RANGE:  

This is the DC battery voltage range to be used for operating the FX.  The last two digits in the model number designate the 
nominal DC voltage.  Example: FX2024MT – 24V DC Voltage.  The recommended battery voltage range is as follows. 
12V Systems     

11 – 16 VDC (VDC = volts DC) 

 

  

24V Systems  

 

22 – 32 VDC 

32V Systems       

29 – 43 VDC 

 

44 – 64 VDC  

MAXIMUM DC INPUT CURRENT:   

This is the maximum DC current that the FX will draw from the battery when starting very large AC loads.  It is not used for 
sizing the DC disconnect or selecting DC cable gauge.   It is used to select the minimum reasonable battery capacity.    

12V FXs  

 

600 ADC per FX (ADC = amps DC) 

24V FXs  

 

300 ADC per FX 

32V FXs  

 

225 ADC per FX 

150 ADC per FX 

RATED DC INPUT CURRENT:  

This is the maximum continuous DC current that the FX will draw from the batteries when inverting.  

 190 ADC (ADC = amps DC) 

 120 ADC 

 

90   ADC 

 

FX3048T  70   ADC 

 

VFX2812(M)  

265 

ADC 

 VFX3524(M)  

170 

ADC 

 

115 ADC 

 

VFX3648   85   ADC 

AC INPUT OPERATING VOLTAGE RANGE:  

This is the recommended AC input voltage range to be supplied to the FX.  Voltages outside of this range may damage AC 
loads connected to the FXs AC output terminals.  This is only a recommendation, neither the FX’s defaults nor the set point 
limits. 

90 – 150 VAC (VAC = volts AC)  

 

Defaults = 108 – 140 VAC  

MAXIMUM AC INPUT CURRENT:   

An AC input source connected to the FX supplies power for two separate internal AC circuits – the AC transfer switch and the 
battery charger.  The AC transfer switch transfers the AC input power through the FX to the AC loads connected to the AC 
output of the FX.  The FX’s battery charger will “back off” when the combined amperage of the AC loads and the battery 
charger exceeds the “AC Input Limit” (default of 28 AAC for Mobile FXs, 48 AAC for non-Moblie FXs).  This “AC Input Limit” 
can be adjusted so as not to overload a generator or trip a breaker that is connected to the AC input of the FX.  If your 
generator cannot continuously produce the “AC Input Limit” or you are connecting to an AC input source that has a breaker 
that is rated for less than the “AC Input Limit”, please refer to the ADVANCED section to change this setting. 

30 AAC per FX (AAC = amps AC) 

60 AAC per FX (AAC = amps AC)