Danfoss VLT Design Guide

5How to Install
5.1 Mechanical Installation
5.1.1 Mechanical Front Views
A2 A3 A4 A5 B1 B2
IP20/21* IP20/21* IP55/66 IP55/66 IP21/55/66 IP21/55/66
Top and bottom mounting holes.
B3 B4 C1 C2 C3 C4
IP20/21* IP20/21* IP21/55/66 IP21/55/66 IP20/21* IP20/21*
Top and bottom mounting holes. (B4+C3+C4 only)
Accessory bags containing necessary brackets, screws and connectors are included with the frequency converter upon delivery.
* IP21 can be established with a kit as described in 3.1.14 IP21/IP41/ TYPE 1 Enclosure Kit.
Table 5.1
How to Install
VLT
®
Refrigeration Drive Design Guide
56 MG16G102 - VLT
®
is a registered Danfoss trademark
5
5

Danfoss VLT Specifications

General

Frequency	50/60 Hz
Enclosure	IP20, IP21, IP55, IP66
Series	VLT
Control Technique	Flux Vector Control
Output Voltage	0-Vinput
Control Method	Fieldbus
Communication Interface	PROFIBUS, CANopen
Protection Features	Overload, Overvoltage, Undervoltage, Short Circuit, Ground Fault
Cooling Method	Liquid Cooled
Storage Temperature	-25°C to +70°C
Relative Humidity	5-95% non-condensing
Altitude	Up to 1000m (3280ft) without derating, up to 4000m (13120ft) with derating
Operating Temperature	-10°C to +50°C (14°F to 122°F)