4 PART-SVN121A-EN
General Information
About This Manual
The step-by-step instructions outlined in this manual describe the procedures required to
successfully retrofit a TR1 on 20 ton to 150 ton IntelliPak™ I and II rooftop air conditioning and 27½
to 50 ton Voyager™ III rooftop air conditioning units to a Trane TR200 VFD drive. For help selecting
the proper parts for this work, refer to general service bulletin PART-SVB24A-EN or the most current
version of that same literature.
The installation instructions in this manual are divided into three general topic areas:
• Removal of existing TR1 VFD and components.
• Installation of replacement TR200 VFD and components.
• TR200 programming of parameters.
Follow start-up and trouble shooting procedures outlined in the service manuals of the unit and/
or the literature that is included with this TR200 control.
Tools Required
Very few tools are required to perform this installation. A service technician with a well-stocked tool
chest should have the right tools to perform the job; However, a large-frame VFD will require a
crimping tool for ring lugs and a drill with a #21 (4mm) drill bit sized to allow a #10-32 screw to
thread into sheet metal.
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