Danfoss VLT HVAC User Manual

Contents
1. Safety
3
Safety Instructions 3
General Warning 4
Before Commencing Repair Work 4
Special conditions 4
Avoid unintended Start 6
Safe Stop of the Frequency Converter 7
IT Mains 8
2. Introduction 9
Type Code String 10
3. Mechanical installation 13
Before starting 13
How to install 14
4. Electrical installation 21
How to connect 21
Mains wiring overview 24
How to connect motor - foreword 28
Motor wiring overview 30
Motor connection for C1 and C2 33
How to Test Motor and Direction of Rotation. 35
5. How to operate the frequency converter 41
Three ways of operating 41
How to operate graphical LCP (GLCP) 41
How to operate numeric LCP (NLCP) 47
Tips and tricks 52
6. How to programme the frequency converter 55
How to programme 55
Initialisation to Default Settings 86
Parameter list 88
0-** Operation and Display 89
1-** Load/Motor 91
2-** Brakes 92
3-** Reference/Ramps 93
4-** Limits/Warnings 94
5-** Digital In/Out 95
6-** Analog In/Out
97
VLT
®
HVAC Drive Operating Instructions Contents
MG.11.A4.02 - 09.10.06. VLT
®
is a registered Danfoss trademark 1

Danfoss VLT HVAC Specifications

General

Enclosure Rating	IP20, IP21, IP54, IP55, IP66
Storage Temperature Range	-25°C to +70°C
Output Voltage Range	0-100% of supply voltage
Communication Protocols	Modbus RTU, BACnet, Ethernet/IP, Profibus DP
Ambient Temperature Range	-10°C to +50°C (without derating)
Relative Humidity	5% to 95% non-condensing
Altitude	Up to 1000 m without derating
Cooling Method	Air cooled
Application	HVAC systems, Pumps, Fans, Compressors
Voltage Range	200-240 V, 380-500 V, 525-600 V
Frequency Range	0 Hz to 590 Hz