ADCP-80-575 • Issue 2 • December 2006

b.Return wires: Connect to RTN (+) terminals on the A and B input power terminal blocks.

9.Use a torque wrench (with a 7/16-inch socket) to tighten the input power terminal block nuts to 32 pound-force inches (3.6 Newton meters) of torque.

10.Route the free end of each input power cable to the office battery source.

18870-A

TIGHTEN INPUT TERMINAL

NUTS TO 32 POUND FORCE INCHES (3.6 NEWTON METERS) OF TORQUE

Figure 19. Input Power Connections

11.Connect the input power cables to the office battery power source in accordance with applicable local electrical codes and/or National Electrical Codes.

Caution: Do not apply power to the fuse platform until instructed to do so for testing (see Section 6, Operation on page 28).

4.7Installing Protective Covers

Install the rear protective covers over the connectors at the rear of the fuse platform when all the wiring connections are completed. To identify the covers, see Figure 1.

To install the plastic protective cover, thread the four 3/8-inch (9.53 mm) long, Phillips drive, 6- 32 pan-head screws into the standoffs located between the output power screw-down terminal strips. Rotate each screw approximately two turns to get it started. Hold the cover so the lettering is oriented properly and then install the cover over the screw heads. Slide the cover to the left and then tighten the screws.

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