Installing The Epc Control Assy - ABB PGC5000 Series Service Instructions Manual

PGC5000
PGC5000 Series Service Instructions
10. On the wall inside the left side of the oven, remove the lock nut on the pipe nipple which retains the EPC Panel cables (see
Figure 6.7, which shows Class C oven).
Fig. 6.7. EPC Cable Lock Nut
11. Disconnect the EPC feedthrough tube nuts.
12. Disconnect the plug that connects the EPC wires to the Power Distribution block.
13. Tag the wires on the plug and then remove the wires from the plug; retain the plug for wiring the new unit.
14. On the EPC Control PCB on the side wall of the oven, disconnect the EPC Control Assembly ribbon cable from J1.
15. Carefully remove the cables and EPC Control Assembly from the analyzer.
6.6.3 Installing the EPC control assembly
1. Carefully install the Control Assembly and its associated components.
2. From the top of the oven, install the two screws that hold the EPC Control Assembly in place.
3. Reconnect the three fittings to the bottom of the EPC Control Assembly.
4. Reconnect the three fittings at the back of the EPC Control Assembly
5. Reinstall the EPC Control Assembly cover, inserting and tightening the ten screws holding it in place.
6. Reconnect the EPC feedthrough tube nuts.
7. On the EPC Control PCB on the left side door, reconnect the EPC Control Assembly ribbon cable to J1.
8. Connect the EPC Control Assembly power wires to the connector removed earlier and then plug it into the Power
Distribution board.
9. Close the left side door of the oven (upper left door of the Class C Oven).
10. Hold the top plate of the oven in place and then install and tighten the four screws.
11. Close the oven front door.
SI/PGC5000-EN, rev B
Lock
Nut
6 Component repair
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