Installation Instructions

Chapter 1 - Safety
Grounding and Ground Fault Protection
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Siemens Industry, Inc.
Smart Infrastructure
Siemens BT300 HVAC Drive
Installation Instructions
DPD01148
2019-05-29
NOTICE
Only spare parts delivered by Siemens Industry, Inc. can be used.
NOTICE
Do not touch the components on the circuit boards. Static voltage discharge
may damage the components.
NOTICE
Check that the EMC level of the drive corresponds to the requirements of your
supply network. See the Installation in an IT System [➙ 67] section.
NOTICE
In a domestic environment, this product may cause radio interference. In this
case, additional mitigation measures may be required.
NOTICE
The drives are suitable for use on a circuit capable of delivering not more than
100,000 rms symmetrical amperes, 600V maximum.
Grounding and Ground Fault Protection
WARNING
The Siemens BT300 Drive must always be grounded with a grounding conductor
connected to the grounded terminal marked with .
Le variateur Siemens BT300 doit toujours être mis à la terre avec un conducteur
de protection connecté à la borne de mise à la terre marquée .
The touch current of the BT300 Drive exceeds 3.5 mA AC. According to EN 61800-
5-1, a fixed connection and one or more of the following conditions for the
associated protective circuit must be met:
• The protective grounding conductor must have a cross-sectional area of at
least 8 AWG (10 mm
2
) Cu or 6 AWG (16 mm
2
) Al.
or
• An automatic disconnection of the supply in case of discontinuity of the
protective grounding conductor. See Chapter 4 Power Cabling .