GPD 502/602 Auxiliary Potentiometer Card Installation Instructions

This document provides installation and adjustment instructions for auxiliary potentiometer cards used with Magnetek GPD 502, GPD 602, and GPD 602 Centrifugal Control adjustable frequency drives. It covers four card types (A, B, C, D) with different potentiometer functions for manual frequency command, speed trim, dropping resistors, and remote frequency meter calibration, including safety warnings and wiring guidance.