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Installation & Programming Manual FX & VFX Series Inverter/Charger System Copyright 2003 OutBack Power Systems, Inc.
900-0027-1 19009 62
nd
Ave NE, Arlington WA 98223 USA
Page 8 Rev 7.2 08/26/05 Tel 360 435 6030 Fax 360 435 6019
RATINGS
MAXIMUM CURRENT FOR BATTERY CHARGER:
The FX uses AC current from the AC input source to charge the battery. Due to heat constraints, the FX limits this amount of
current. The maximum and default values for this setting are shown below. Please refer to the programming section to adjust
this setting. The battery charger has an efficiency of about 90%. There are other factors like cable losses that may reduce
this efficiency. The maximum DC current that can be produced is also shown below. These maximum DC currents can only
be attained in the “Bulk” charging stage.
FX2012(M)T AC Max = 12 AAC (Default = 10 AAC) DC Max = 100 ADC
FX2524(M)T AC Max = 14 AAC (Default = 12 AAC) DC Max = 55 ADC
FX2532(M)T AC Max = 14 AAC (Default = 12 AAC) DC Max = 40 ADC
FX3048T AC Max = 14 AAC (Default = 12 AAC) DC Max = 35 ADC
VFX2812(M) AC Max = 16 AAC (Default = 14 AAC) DC Max = 125 ADC
VFX3524(M) AC Max = 20 AAC (Default = 18 AAC) DC Max = 85 ADC
VFX3232(M) AC Max = 20 AAC (Default = 18 AAC) DC Max = 60 ADC
VFX3648 AC Max = 20 AAC (Default = 18 AAC) DC Max = 45 ADC
AC INPUT FREQUENCY RANGE:
This is the AC input source’s frequency range of which the FX will accept and stay connected. If the AC input source is out of
this range, the FX will not connect or stay connected.
All FXs 56 - 64 Hz
MAXIMUM AC OUTPUT CURRENT:
This is the amount of AC “Surge” current that the FX will supply. This amount of surge can only be supplies for a split second.
After this split second the FX lowers this surge limit. Depending on the size of the surge, the FX can be overloaded for a
minimum time of 5 seconds to a maximum time of 30 minutes. When passing an AC source through the FX via the AC
transfer switch, the maximum AC output fault current will be determined by the AC source.
All 12 VDC FXs 40 AAC per FX for 1 millisecond
All Other FXs 50 AAC per FX for 1 millisecond
MAXIMUM CONTINUOUS OUTPUT POWER:
Each FX has a maximum continuous output power it can deliver. This maximum continuous output power is hidden in the
model number of the FX. For instance, an FX2012MT has a maximum continuous output power of 2000VA (volt-amps). The
last two numbers (12 in this case) can be changed to 0’s because they refer to the battery voltage.
FX2012(M)T 2000 VA (VA = volt-amps)
FX2524(M)T 2500 VA
FX2532(M)T 2500 VA
FX3048T 3000 VA
VFX2812(M) 2800 VA
VFX3524(M) 3500 VA
VFX3232(M) 3200 VA
VFX3648 3600 VA
MAXIMUM OVERCURRENT PROTECTION AMPACITY:
This rating specifies the proper overcurrent protection ampacity. OBDC are panel mount circuit breakers. SMF are DC
terminal mounted fuses and should always be used in conjuncture with a disconnect mechanism. FX’s used in home
installations should use properly sized DC circuit breakers. An OBDC circuit breaker includes both overcurrent protection and
disconnection capability. SMFs are used primarily for marine installations where only DC overcurrent protection is required.
SMFs are included with all “Mobile” FXs.
MODEL
AMPACITY DC BREAKER DC FUSE
FX2012(M)T 250 amps OBDC-250 SMF-250 (Mobile Only)
FX2524(M)T 175 amps OBDC-175 SMF-175 (Mobile Only)
FX2532(M)T 175 amps OBDC-175 SMF-175 (Mobile Only)
FX3048T 100 amps OBDC-100 Not Recommended
VFX2812(M) 250 amps OBDC-250 SMF-250 (Mobile Only)
VFX3524(M) 250 amps OBDC-250 SMF-250 (Mobile Only)
VFX3232(M) 175 amps OBDC-175 SMF-175 (Mobile Only)
VFX3648 175 amps OBDC-175 Not Recommended