Troubleshooting . This manual can be used with all TR frequency converters with software version x. Trane technical literature is available in print from your local Trane Sales Office or online at: schematron.org It is strongly advised to have a Danfoss VLT FC Series instruction manual, programming guide and service manual available for reference during troubleshooting.
. Run the VFD with no motor to see if the fault appears or if the drive runs.
VFDs for air handlers with multiple supply fans are dual motor VFDs. The Trane TR drives are UL listed for k AIC as standard without fuses.
the drive continues until the intermediate circuit voltage drops below the. TR Design Guide Fixed Variable Speed Pump Wiring Diagram .. is available in print from your local Trane Sales Office or online at: schematron.org vfd. Trane TR Manual Online: Control Wiring.
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