ECN Forum Forums General Topics of the Trade General Discussion Area VFD on Single Phase Unit

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Most VFD driven A/C and Heatpump units come with VFD as part of the unit. You need to verify that the units will operate properly with an add on a VFD. You can damage the motors and compressors if they are not designed to run this way.

[This message has been edited by Bob (edited 06-06-2006).]