Delta Modulon DPH Series User Manual page 75

Step 2
Insert the STS module into the unoccupied STS module slot until it snaps into place.
At least two people are required for handling.
Figure 5-25: Insert the STS Module into the UPS
Step 3
Re-install the four screws (removed during the STS module removal process) to firmly
fix the STS module's bracket ears on the UPS cabinet.
Figure 5-26: Fix the STS Module on the UPS
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