Danfoss VLT HVAC Operating Instructions Manual page 5

®
VLT HVAC Drive Operating Instructions
Consult the relevant clauses in these instructions and in the
information about the electrical ratings.
Installation requirements:
The overall electrical safety of the frequency converter requires special installation considerations
regarding:
□ Fuses and circuit breakers for over-current and short-circuit protection
□ Selection of power cables (mains, motor, brake, loadsharing and relay)
□ Grid configuration (IT,TN, grounded leg, etc.)
□ Safety of low-voltage ports (PELV conditions).
Consult the relevant clauses in these instructions and in the
information about the installation requirements.
MG.11.A4.02 - 09.10.06. VLT ® is a registered Danfoss trademark
VLT® HVAC Drive Design Guide
VLT® HVAC Drive Design Guide
1. Safety
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