Safe Torque Off (Sto) - Danfoss VLT HVAC Drive FC 102 Instruction Manual

Safety
WARNING
EQUIPMENT HAZARD!
Rotating shafts and electrical equipment can be
hazardous. All electrical work must conform to national
and local electrical codes. Installation, start-up, and
maintenance are performed only by trained and qualified
personnel. Failure to follow these guidelines could result
in death or serious injury.
WARNING
WINDMILLING!
Unintended rotation of permanent magnet motors
causes a risk of personal injury and equipment damage.
Ensure permanent magnet motors are blocked to
prevent unintended rotation.
CAUTION
POTENTIAL HAZARD IN THE EVENT OF
INTERNAL FAILURE!
Risk of personal injury when the adjustable frequency
drive is not properly closed. Before applying power,
ensure all safety covers are in place and securely
fastened.

2.3.1 Safe Torque Off (STO)

STO is an option. To run STO, additional wiring for the
adjustable frequency drive is required. Refer to VLT
Adjustable Frequency Drives Safe Torque Off Instruction
Manual for further information.
MG11F522
Instruction Manual
®
Danfoss A/S © 08/2014 All rights reserved.
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