Service Manual

Figure 6

Ribbon

Cable

Communication

Board

Communication

Cable

Terminal Block

DCT500

Pink

Gray

Brown

White

Yellow

Green

X27

Orientation Stripe

12. Add ribbon cable. Connect one end to the communication board as shown in Figure 5. Note orientation stripe on

the ribbon cable, this must be on the left side of connector as shown. The connector can be installed backwards.

Run cable and connect to the X27 connector on the DTC500 board, see Figure 9. Note orientation stripe on the

ribbon cable, this must be on the left side of the X27 connector as shown. The connector can be installed

backwards. Secure the ribbon cable with wire ties, NOTE: do not over tighten or crush the ribbon cable with the

wire ties.

13. Add new fuse blocks to the din rail to the right of the existing fuse blocks as shown in Figure 7, The fuse blocks

must be tied together with a tie pin, this will insure that both fuse holders will open at the same time. Label fuse

blocks as A-F1 and A-F2. NOTE: DO NOT INSTALL FUSES AT THIS TIME. Run I-fold power cable between

transformer and the terminal blocks and into the wire channel. Run cable to the bottom side of fuses. Add an

extra 2” to 3” of cable, and then cut cable to that length. Strip back approximately 8” of cable jacket. Strip

approximately 5/16” of wire insulation from each conductor. Add ring terminal to the green \ yellow conductor

and mount to ground lug shown in Figure 7. Wire conductor 1 to bottom of fuse block A-F1 and wire conductor 2

to bottom of fuse block A-F2.