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INTRODUCTION
The OutBack FLEXware Surge Protector connects to the following FX Series Inverter/Charger ports:
• DC+
• DC-
• AC HOT IN
• AC NEUTRAL IN
• AC HOT OUT
• AC NEUTRAL OUT
• GROUND
The FLEXware Surge Protector is designed to protect the FX’s sensitive components from
excessively high voltages (e.g., electrical storms). Thermally fused metal oxide varistors (MOVs) limit
or “clamp” these voltages and transfer the resulting current from a higher voltage port to a lower
voltage port. The FLEXware Surge Protector features ACTIVE and ERROR LEDs for the DC, AC IN,
and AC OUT circuits.
• The yellow ACTIVE LEDs light when power is applied to that circuit.
• A red ERROR light indicates a signi cant surge has damaged the FLEXware Surge Protector and
although decreased protection remains, it is recommended the FLEXware Surge Protector be
replaced at this time before further damage to it and ultimately the FX can occur.
NOTE: A circuit must be ACTIVE in order for an ERROR indication to occur.
Figure 1: Metal Oxide Varistor (MOV), thermally fused
The FLEXware Surge Protector shunts excess current from:
• DC+ GROUND
• AC HOT IN GROUND
• AC NEUTRAL IN GROUND
• AC HOT OUT AC NEUTRAL OUT
• AC HOT OUT GROUND
• AC NEUTRAL OUT GROUND
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