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1 Instructions
1.1 Safety and Installation Awareness
Before starting installation, review all safety guidelines and precautions in this guide. Additional resources – including the drive in-
stallation guide and the application guide – can be downloaded at
www.danfoss.com/service-and-support
1.2 Qualified Personnel
The products must only be assembled, installed, programmed, commissioned, maintained, and decommissioned by persons with
proven skills. Persons with proven skills:
Are qualified electrical engineers, or persons who have received training from qualified electrical engineers and are suitably
experienced to operate devices, systems, plant, and machinery in accordance with the general standards and guidelines for
safety technology.
Are familiar with the basic regulations concerning health and safety/accident prevention.
Have read and understood the safety guidelines given in this manual and also the instructions given in the operating guide of
the drive.
Have good knowledge of the generic and specialist standards applicable to the specific application.
1.3 Safety Symbols
The following symbols are used in this guide:
D A N G E R
Indicates a hazardous situation which, if not avoided, will result in death or serious injury.
W A R N I N G
Indicates a hazardous situation which, if not avoided, could result in death or serious injury.
C A U T I O N
Indicates a hazardous situation which, if not avoided, could result in minor or moderate injury.
N O T I C E
Indicates information considered important, but not hazard-related (for example, messages relating to property damage).
1.4 Safety Precautions
N O T I C E
The Sine-wave Filter OF7S1 is designed and qualified for use only with iC7 frequency converters.
A specific sine-wave filter must be matched to a specific iC7 frequency converter. For more details, refer to the
iC7-Automa-
tion Frequency Converters, 1.3–1260 A Design Guide
.
Danfoss takes no responsibility for the use of third-party output filters installed with Danfoss frequency converters.
AN405139032638en-000201 / 136R0277 | 3
Danfoss A/S © 2022.05
Instructions
Sine-wave Filter OF7S1
Installation Guide
