Danfoss VLT User Manual

Figure 4.50: Switches location.
4.2 Final optimization and test
4.2.1 Final optimization and test
To optimize motor shaft performance and optimize the adjustable frequency drive for the connected motor and installation, please follow these steps:
Ensure that the adjustable frequency drive and motor are connected and that power is applied to the adjustable frequency drive.
NOTE!
Before power-up, ensure that connected equipment is ready for use.
Step 1. Locate motor nameplate
NOTE!
The motor is either star- (Y) or delta-connected (Δ). This information is located on the motor nameplate data.
VLT
®
HVAC Drive Instruction Manual 4 Electrical installation
MG.11.A9.22 - VLT
®
is a registered Danfoss trademark 4-29
4

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)