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TABLE OF CONTENTS
The International Series GTFX and GVFX Grid-Interactive Inverter/Charger.......................................................................2
International Series GTFX and GVFX Inverter/Charger Models ....................................................................................................2
Parts Included..............................................................................................................................................................................................................2
Safety Instructions.....................................................................................................................................................................................................3
System Protection.....................................................................................................................................................................................................5
DC Wiring Origination....................................................................................................................................... .....................................................5
AC Wiring Origination.............................................................................................................................................................................................6
AC Wiring Compartment Board................................................................................................................... ....................................................6
Low Voltage Terminals............................................................................................................................................................................................7
AC and DC Grounding Requirements..........................................................................................................................................................8
FX Parts and Accessories.......................................................................................................................................................................................9
Mounting.....................................................................................................................................................................................................................10
Wire Connections...................................................................................................................................................................................................11
AC ......................................................................................................................................................................................................................11
DC ......................................................................................................................................................................................................................12
Torque Requirements................................................................................................................................................................................12
Battery Wiring Examples ....................................................................................................................................................................................13
AC Wiring Notes ......................................................................................................................................................................................................21
Low Voltage Wiring................................................................................................................................................................................................22
Inverter and On/O....................................................................................................................................................................................22
Auxiliary Output (AUX+ / AUX-)..........................................................................................................................................................23
XCT+ / XCT-................................................................................................................................................................. ....................................23
RTS, MATE/HUB Wiring........................................................................................................................................................................................24
Stacked FX Systems...............................................................................................................................................................................................25
Installation Types:
Single FX System..........................................................................................................................................................................................26
Parallel Dual FX System ............................................................................................................................................................................27
Parallel Quad FX System ..........................................................................................................................................................................28
3-Phase System............................................................................................................................................. ................................................30
Generator Auto Start............................................................................................................................................................................................33
Multiple AC Sources..............................................................................................................................................................................................34
Installation Check List..........................................................................................................................................................................................35
Specications............................................................................................................................................................................................................36
Voltage, Power, and Frequency Ranges ...................................................................................................................................................41
Current Ranges ........................................................................................................................................................................................................42
Recommended DC Breaker and Cable Sizes ........................................................................................................................................43
Maintenance..............................................................................................................................................................................................................43
FX Default Values ....................................................................................................................................................................................................45
Comparative Wire Sizes.......................................................................................................................................................................................48
Warranty.......................................................................................................................................................................................................................49
Product Registration.............................................................................................................................................................................................53