Contents
1 Introduction
4
1.1 Purpose of the Manual
6
1.2 Additional Resources
6
1.3 Product Overview
6
1.4 Internal Frequency Converter Controller Functions
6
1.5 Frame Sizes and Power Ratings
7
2 Installation
8
2.1 Installation Site Check List
8
2.2 Frequency Converter and Motor Pre-installation Check List
8
2.3 Mechanical Installation
8
2.3.1 Cooling
8
2.3.2 Lifting
9
2.3.3 Mounting
9
2.3.4 Tightening Torques
9
2.4 Electrical Installation
10
2.4.1 Requirements
12
2.4.2 Earth (Grounding) Requirements
12
2.4.2.1 Leakage Current (>3.5 mA)
13
2.4.2.2 Grounding Using Shielded Cable
13
2.4.3 Motor Connection
13
2.4.3.1 Motor Connection for A2 and A3
15
2.4.3.2 Motor Connection for A4/A5
15
2.4.3.3 Motor Connection for B1 and B2
16
2.4.3.4 Motor Connection for C1 and C2
16
2.4.4 AC Mains Connection
16
2.4.5 Control Wiring
17
2.4.5.1 Access
17
2.4.5.2 Control Terminal Types
17
2.4.5.3 Wiring to Control Terminals
18
2.4.5.4 Using Screened Control Cables
19
2.4.5.5 Control Terminal Functions
19
2.4.5.6 Jumper Terminals 12 and 27
20
2.4.5.7 Terminal 53 and 54 Switches
20
2.4.6 Serial Communication
20
2.5 Safe Stop
21
2.5.1 Terminal 37 Safe Stop Function
21
2.5.2 Safe Stop Commissioning Test
24
3 Start Up and Functional Testing
25
Contents
VLT
®
HVAC Drive Operating Instructions
MG11AI02 - VLT
®
is a registered Danfoss trademark
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