HVACProtech® Variable Frequency Drive Library


~What is a VFD?

~ABB Drive Information

ACH400 User Manual

ACH402 User Manual

ACH550 HVAC Applications Guide

ACH550 User Manual

ACS400 User Manual

ACS550 User Manual

ACS550 Specifications

ACS550 Quick Start Guide RevD

~General Information from ABB

Basics of IEC Motors

Bearing Currents In Modern AC Drive Motors    {An ABB Technical Guide}

Effect Of AC Drives On Motor Insulation    {An ABB Technical Guide}

A Guide To Harmonics With AC Drives    {An ABB Technical Guide}

Maintaining a VFD    {ABB Training Notes}

What Is a VFD    {ABB Training Notes}

100 Top Energy Saving Tips    {An ABB Publication}

~Carrier Drive Information    {A Reliance Electric Product}

32VFD Drive Product Information

Carrier VFD Reference Manual

~Danfoss Drive Information

VLT Drive High Power Applications

VLT Drive Product Data

VLT FC300  Drive Design Manual

VLT FC300  Drive Instruction Manual

~Honeywell Drive Information

CX_CXL_CXS User Guide

CXS_CXL VFD Specification Data

NXL Series User Guide

NXS Series User Guide

NXS VFD Specification Data

VFD Application Guide


VFD Field Reference Guide

~Reliance Electric Drive Information

GP1000 Installation & Operation

GP1200 Installation & Operation

GP1500 Installation & Operation

GP2000 Installation & Operation 15 to 40 hp

GP2000 Installation & Operation 50 to 100 hp

GV3000 1 to 20 hp 230 Volt Hardware Reference and Troubleshooting

GV3000 30 to 100 hp 230 Volt Hardware Reference and Troubleshooting

GV3000 75 to 200 hp 460 Volt Hardware Reference and Troubleshooting

GV3000SE Installation, Reference and Troubleshooting

GV3000SE Start Up and Reference Manual

GV6000 Quick Reference

GV6000 User Guide

MD60 User Guide

MD65 User Guide

SP100 Installation & Operation

SP120 Installation & Operation

SP200 Installation & Operation

SP500 Installation & Operation

SP500 User Guide

SP600 Quick Start Guide

SP600 User Guide

~General Information from Reliance Electric

Installing Maintaining and Operating VFDs

~Siemens Drive Information

SED2 VFD Installation Guide

SED2 VFD Conventional Bypass Options Installation Guide


SED2 VFD Electronic Bypass Options Installation Guide


SED2 VFD LON Option Installation Guide

SED2 VFD E-Bypass EMC Filter Package Installation Guide

SED2 VFD Control Board Upgrade (Ver 1.17 to 1.20) Installation Guide

SED2 VFD Nema Type 3R Bypass Installation Guide

SED2 VFD (Start-Up) Drive Only Start-Up and Operating Instructions


SED2 VFD Drive Only
Start-Up and Operating Instructions


SED2 VFD Drive Only Addendum


SED2 VFD Advanced Operator Panel
Start-Up and Operating Instructions


SED2 VFD Electronic Bypass Options
Start-Up and Operating Instructions


SED2 VFD LON Option
Start-Up and Operating Instructions


SED2 VFD Parameter Reference Guide


SED2 VFD Conventional Bypass Option
Start-Up and Operating Instructions

SED2 VFD NEMA Type 3R Bypass
Start-Up and Operating Instructions

SED2 VFD Start-up Procedure and Checklist


~Trane Drive Information

TR1 Series Drive Installation & Operations Guide

TR1 Series VFD LonWork Installation & Operations Guide

TR1 VFD Mod Bus RTU Instruction Guide

VFD Conversion to TR1 on the Intellipac & Voyager