APC AP9924 User Manual

Install the ring terminals onto the appropriate bolts on the fuse bus and 
midpoint bus:

1. Remove the nut from the bolt.
2. Slide the ring terminal onto the bolt.
3. Replace and tighten the nut.

To install the fuses onto the fuse bus and midpoint bus wires:

One-cabinet system:

1. Install the 3/4 A fuse (0W2237) between the ring terminal 

assembly and the positive 1/2-string fuse bus wire. 

2. Install 5 A fuses (0W2015) between the ring terminal assemblies 

and all other fuse bus and midpoint bus connections.

Two-cabinet system:

1. Install a 3/4 A fuse (0W2237) on the positive 1/2-string fuse bus 

wire on the positive string harness (0W1492).

2. Install a 5 A fuse (0W2015) on the negative 1/2-string midpoint 

bus wire on the negative string harness (0W1491).

3. Install 5 A fuses (0W2015) between the ring terminal assemblies 

and all other fuse bus and midpoint bus connections.

See “Determine fuse bus and midpoint bus connections 
(Silcon only)” on page 4 for the connections to make.

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