Danfoss VLT AutomationDrive FC 303 User Manual

Contents
1 Introduction
2-1
1.1 Purpose of the Manual
2-2
1.2 Additional Resources
2-2
1.3 Product Overview
2-3
1.4 Internal Adjustable Frequency Drive Controller Functions
2-3
1.5 Frame Sizes and Power Ratings
2-5
2 Installation
3-1
2.1 Installation Site Checklist
3-1
2.2 Adjustable Frequency Drive and Motor Pre-installation Checklist
3-1
2.3 Mechanical Installation
3-1
2.3.1 Cooling 3-1
2.3.2 Lifting 3-2
2.3.3 Mounting 3-2
2.3.4 Tightening Torques 3-2
2.4 Electrical Installation
3-3
2.4.1 Requirements 3-5
2.4.2 Grounding Requirements 3-5
2.4.2.1 Leakage Current (>3.5mA) 3-6
2.4.2.2 Grounding Using Shielded Cable 3-6
2.4.3 Motor Connection 3-6
2.4.4 AC Line Power Connection 3-7
2.4.5 Control Wiring 3-7
2.4.5.1 Access 3-7
2.4.5.2 Control Terminal Types 3-8
2.4.5.3 Wiring to Control Terminals 3-9
2.4.5.4 Using Shielded Control Cables 3-9
2.4.5.5 Control Terminal Functions 3-10
2.4.5.6 Jumper Terminals 12 and 27 3-10
2.4.5.7 Terminal 53 and 54 Switches 3-10
2.4.5.8 Terminal 37 3-11
2.4.5.9 Mechanical Brake Control 3-14
2.4.6 Serial Communication 3-14
3 Start-up and Functional Testing
4-1
3.1 Pre-start
4-1
3.1.1 Safety Inspection 4-1
3.1.2 Start-up Check List 4-2
Contents
VLT
®
AutomationDrive Instruction
Manual
MG.33.AI.22 - VLT
®
is a registered Danfoss trademark

Danfoss VLT AutomationDrive FC 303 Specifications

General

Brand	Danfoss
Model	VLT AutomationDrive FC 303
Category	DC Drives
Language	English