Benshaw S-Series VFD Programming and Wiring for Daikin/McQuay Replacement


This document provides detailed programming and wiring instructions for configuring a Benshaw ā€œSā€ Series Variable Frequency Drive (VFD) when replacing a Daikin (McQuay) ā€œGXā€ model. It includes parameter setup, control configurations, motor-related adjustments, and wiring diagrams to ensure reliable operation and proper system integration.

Key Points

  • Comprehensive guide to replacing Daikin (McQuay) GX VFDs with Benshaw S-Series models.
  • Step-by-step explanation of keypad and display operations.
  • Parameter tables for motor horsepower, voltage, current, and efficiency.
  • Applicable to variable torque loads such as fans and HVAC systems.
  • Detailed parameter settings for control and motor configurations.
  • Wiring diagrams for proper control connection and operation.
  • Guidance on startup behavior, overload protection, and flying start functions.
  • Published by Benshaw for field technicians and system integrators (June 2017).