YASKAWA U1000 - Key Parameter Reference; Control Method and Initialization Parameters; Frequency Reference and Duty Selection Parameters

3.7 Top Protective Cover
Drive models with IP00 specifications become IP20/NEMA 1, UL Type 1 after correctly installing a top protective cover and
bottom conduit bracket. Do not attach the top protective cover when installing the drive in a control panel.
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Attaching the Top Protective Cover
Insert the small protruding hooks on the sides of the top protective cover into the provided mounting holes on the top of the
drive. Pinch the hooks inward so that the they connect with the mounting holes and fasten the top protective cover back into
place.
Note: Attaching the top protective cover and the bottom conduit bracket to an IP00 drive changes protection to IP20/UL Type 1.
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Figure 3.26 Reattaching the Protective Cover
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Removing the Top Protective Cover
Insert the tip of a straight-edge screwdriver into the small opening located on the front edge of the top protective cover. Gently
apply pressure as shown in Figure 3.27 to free the cover from the drive.
Note: Removing the top protective cover from an IP20/UL Type 1 enclosure drive voids UL Type 1 protection while retaining IP20 conformity.
Figure 3.27 Removing the Top Protective Cover
3.7 Top Protective Cover
YASKAWA ELECTRIC SIEP C710636 04D U1000 Industrial MATRIX Drive Technical Manual
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Electrical Installation