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The AC input (to the UPS) must have a readily
accessible disconnect device installed.
Figure 73 – 12 VDC Output Wired
4. Wire the 12 VDC output through the upper knockout
hole.
5. Install the cover on the UPS and secure with the two
cover screws.
Connecting the Ground Wire
Attach the ground wire by completing the following steps.
Figure 74 – Ground Wire
1. Locate the lightning protection system ground
connection for the site.
2. Connect the external grounding lug of the Gateway to
the lightning protection system ground for that site (see
Figure 74). Use #4 or #6 AWG with a minimum
temperature rating of 75° C.
3. Tighten with a flathead screwdriver. Torque to 35 in-lb
(4.0 Nm).
R900 Gateway Installation and Maintenance Guide
57
Chapter 4: Installation of the Gateway
Содержание 13458-000
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