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Copyright 2003 OutBack Power Systems, Inc. FX & VFX Series Inverter/Charger System Installation & Programming Manual
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 15
TURBO KIT INFORMATION
The Turbo Kit is an addition that is either included or can be added to any sealed FX. Typically, the Turbo Kit adds 300-500 watts of
power to a sealed FX. This extra power is included in the model number for sealed FXs that come with Turbos. If the sealed FX did
not come with a Turbo and one is added, then the FX will be able to produce the extra 300-500 watts of power in addition to the power
that the model number indicates. Do not use the Turbo with a vented VFX! It will actually reduce the output power of the VFX!
The Turbo is highly recommended in hot climates or for installations that can use a few hundred watts of extra power. In hot climates or
when the FX is the primary charging device, the chances of the FX overheating are heightened. When the FX gets to its temperature
limits, it will back off the charging process to avoid overheating (and a shutdown of the FX). The Turbo Kit solves this problem by
directing air over the casting and its fins, thus causing better convection cooling of the FX.
The signal powering the Turbo Kit fan comes from the auxiliary output of the FX. The default setting of the auxiliary output is set to
“CoolFan” which starts the Turbo Kit automatically when the FX starts heating up.
The instructions for adding a Turbo Kit are included with the Turbo Kit or the FX. If you are also automatically starting a generator using
the auxiliary output, you can program the auxiliary output to “GenAlert” or use the Advanced Generator Start (AGS) system and parallel
the generator start wires with the Turbo Kit wires. When the generator is running the Turbo Kit is also running. This solution works
because the FX gets hottest when it is charging. If the paralleling of the generator and the Turbo Kit doesn’t work properly, adding a
470 uF (micro Farad) electrolytic capacitor (found at your local electronics shop) across the auxiliary output will solve this problem.