NOTE: Do not overheat the tubing.
Figure 54: How to Install Heat-Shrink Tubing
8. Remove the clear plasc cover from the terminal studs on the faceplate and remove the nut and
washer from each of the terminal studs.
9. Secure each power cable lug to the terminal studs, rst with the at washer, then wish the split
washer, and then with the nut. Apply between 23 lb-in (2.6 Nm) and 25 lb-in (2.8 Nm) of torque to
each nut. Do not overghten the nut. (Use a 7/16 in. [11 mm] torque-controlled driver or socket
wrench.) See Figure 55 on page 184.
• On INP0, aach the posive (+) DC power source cable lug to the RTN (return) terminal. Repeat
this step for INP1 if you are using two feeds.
• On INP0, aach the negave (–) DC power source cable lug to the –48 V (input) terminal.
Repeat this step for INP1 if you are using two feeds.
CAUTION: Ensure that each power cable lug seats î™™ush against the surface of the
terminal block as you are ghtening the nuts. Ensure that each nut is properly
threaded onto the terminal stud. You must be able to spin the nuts freely with your
ngers when they are placed onto the terminal stud for the rst me. Applying
182
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