Danfoss VLT HVAC Drive Instruction Manual page 5

VLT ® HVAC Drive Instruction Manual 1. Safety
□ Single phase applications
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□ High temperature applications which require de-rating of the electrical ratings
□ Marine applications with more severe environmental conditions
Other applications might also affect the electrical ratings.
VLT® HVAC Drive Design Guide, MG.
Consult the relevant clauses in these instructions and in the
11Bx.yy for information about the electrical ratings.
Installation requirements:
The overall electrical safety of the adjustable frequency drive requires special installation consid-
erations regarding:
□ Fuses and circuit breakers for overcurrent and short-circuit protection
□ Selection of power cables (line, motor, brake, load sharing and relay)
□ Grid configuration (IT,TN, grounded leg, etc.)
□ Safety of low voltage ports (PELV conditions).
VLT® HVAC Drive Design Guide
Consult the relevant clauses in these instructions and in the for
information about the installation requirements.
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MG.11.A4.22 - VLT ® is a registered Danfoss trademark