Mounting - Siemens SED2 VFD NEMA Operating Instructions Manual

SED2 VFD NEMA Type 3R/3RHE Bypass Operating Instructions

Mounting

1. Punch appropriate conduit holes for control, motor, and input power wiring (Figure 4).
2. Mount NEMA Type 3R/3RHE Bypass enclosure in location per job drawings.
•
To ensure safe installation, verify that the surface of the mounting location is level.
•
See Figure 3 for dimensions and see Table 1 for approximate weights.
•
Make certain SED2 operator panel, bypass switches, and disconnect are accessible.
•
Secure enclosure in place.
CAUTION:
Leave 1 foot (305 mm) between the NEMA Type 3R/3RHE Bypass and any
adjacent solid structure that is not used for mounting purposes.
Leave 3 feet (914 mm) between the NEMA Type 3R/3RHE Bypass and any
other NEMA Type 3R/3RHE Bypass or VFD.
3. Cooling/Filter Note:
The NEMA Type 3R/3RHE Bypass is supplied with an air filter that requires periodic cleaning and/or
replacement. The time period is determined by the mounting location and environmental conditions.
Ensure that you make filter maintenance part of an established maintenance schedule for your
installation.
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CAUTION:
To maintain the NEMA Type 3R/3RHE enclosure rating, use only fittings rated
3R or rain tight, or for wet locations.
Siemens Building Technologies, Inc.