Identification Of Pumps With Vfd - Grundfos DMX 221 Installations- Und Bedienungsanleitung

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11.2.1 Identification of pumps with VFD

Pumps with motors with PTC sensor and VFD are available in different variants which are shown
on the nameplate and explained in the type key. The last two letters of the type designation indi-
cate the VFD variant.
Related information
• 5.3.2 Type key