Contents
1 Introduction
3
1.1 Product Overview
3
1.2 Purpose of the Manual
4
1.3 Product Overview
4
1.4 Internal Controller Functions
4
2 Safety
5
2.1 Safety Symbols
5
3 Installation
6
3.1 Planning the Installation Site
6
3.2 Pre-Installation Check List
6
3.3 Mechanical Installation
6
3.3.1 Cooling 6
3.3.1.1 Refrigerant Cooling 6
3.3.2 Lifting 7
3.3.3 Wall Mounting - IP21 (NEMA 1) Units 7
3.4 Electrical Installation
7
3.4.1 General Requirements 7
3.4.2 Grounding Requirements 10
3.4.2.1 Leakage Current (>3.5 mA) 10
3.4.2.2 Grounding IP21 Enclosures 11
3.4.3 Motor Connection 11
3.4.3.1 Terminal Locations 12
3.4.4 Motor Cable 13
3.4.5 Motor Rotation Check 13
3.4.6 AC Mains Connection 13
3.4.7 DC-Link Connection 13
3.5 Control Wiring Connection
14
3.5.1 Access 14
3.5.2 Using Screened Control Cables 14
3.5.3 Grounding of Screened Control Cables 14
3.5.4 Control Terminal Types 15
3.5.5 Wiring to Control Terminals 16
3.6 Serial Communication
16
4 Start Up and Commissioning
17
4.1 Pre-start
17
4.2 Applying Power
18
Contents Installation Guide
MG35Q202 Danfoss A/S © 01/2015 All rights reserved. 1
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