Background
When replacing the VFD within the air handler, it is important to program it correctly. A new drive from Trane Parts will not come preprogrammed for the specific unit.
For assistance on how to navigate the parameters in the drive for programming, see the article Programming or changing parameters in the TR150 VFD
WARNING:
Information in this article is intended for use by individuals possessing adequate backgrounds of electrical and mechanical experience and who comply with all federal, state, and local laws, rules, orders, or regulations related to the installation, service, or repair of a heating or central air conditioning product. Any attempt to install, service, or repair a heating or central air conditioning product may result in personal injury and/or property damage. The manufacturer or seller cannot be responsible for the interpretation of the information contained herein, nor can it assume any liability in connection with its use.