Danfoss VLT HVAC Drive 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 Adjustable Frequency Drive 7
IT Line 8
2. Introduction 11
Type Code String 12
3. Mechanical installation 15
Before starting 15
How to install 17
4. Electrical installation 27
How to connect 27
Line power wiring overview 30
How to connect the motor - foreword 35
Motor wiring overview 36
Motor connection for C1 and C2 39
How to Test Motor and Direction of Rotation. 42
5. How to operate the adjustable frequency drive 49
Three means of operation 49
How to operate the Graphical LCP (GLCP) 49
How to operate numeric LCP (NLCP) 55
Tips and tricks 60
6. How to program the adjustable frequency drive 63
How to program 63
Parameter list 99
0-** Operation and Display 100
1-** Load/Motor 102
2-** Brakes 103
3-** Reference/Ramps 104
4-** Limits/Warnings 105
VLT
®
HVAC Drive Instruction Manual Contents
MG.11.A4.22 - VLT
®
is a registered Danfoss trademark 1

Danfoss VLT HVAC Drive Specifications

General

Type	VLT HVAC Drive
STO (Safe Torque Off)	Yes
Enclosure	IP20
Output Frequency	0-500 Hz
Brake Chopper	Built-in (depending on frame size)
EMC Filter	Built-in (depending on frame size)
Communication	Ethernet
Power Range	0.37 kW to 630 kW
Input Voltage	200-240V, 380-480V, 525-600V
Protection Features	Overload, Overvoltage, Undervoltage, Short Circuit, Ground Fault
Ambient Temperature	-10°C to +50°C (with derating above +40°C)
Storage Temperature	-25°C to +70°C
Relative Humidity	5-95% (non-condensing)
Cooling Method	Air-cooled