Danfoss VLT HVACDrive User Manual

2.1.6 Installation at High Altitudes (PELV)
Hazardous Voltage!
By altitudes above 6,600 feet [2 km], please contact Danfoss regarding PELV.
Avoid unintended start
While the adjustable frequency drive is connected to line power, the motor can be started/stopped using digital commands, bus com-
mands, references or via the LCP.
• Disconnect the adjustable frequency drive from line power whenever personal safety considerations make it necessary to
avoid an unintended start.
• To avoid unintended start, always activate the [OFF] key before changing parameters.
• Unless terminal 37 is turned off, an electronic fault, temporary overload, a fault in the line power supply, or lost motor
connection may cause a stopped motor to start.
Failure to follow recommendations could result in death or serious injury.
2.1.7 Avoid Unintended Start
While the adjustable frequency drive is connected to line power, the motor can be started/stopped using digital commands, bus com-
mands, references or via the Local Control Panel.
• Disconnect the adjustable frequency drive from line power whenever personal safety considerations make it necessary to
avoid an unintended start.
• To avoid unintended start, always activate the [OFF] key before changing parameters.
• Unless terminal 37 is turned off, an electronic fault, temporary overload, a fault in the line power supply, or lost motor
connection may cause a stopped motor to start.
2 Safety VLT
®
HVAC Drive Instruction Manual
2-4 MG.11.AB.22 - VLT
®
is a registered Danfoss trademark
2

Danfoss VLT HVACDrive Specifications

General

Brand	Danfoss
Model	VLT HVACDrive
Category	DC Drives
Language	English