2.3.6 Connecting Control and Power Cables

Figure 2-12 Connecting Control and Power Cables

TM-9-6115-668-13 5Kw 28VDC Auxiliary Power Unit (APU) MEP 952B Manual
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TM 9-6115-668-13 2.3.6 Connecting Control and Power Cables WARNING Potential 208 VAC shock hazard. Do not disconnect or connect control or power cables while Generator Set 1 or 2 is running. Always install protective covers on control and power cables when cables are disconnected. Failure to observe this warning could result In severe personal- Injury or death by electrocution. The Generator Set 150 kW is connected to the EPP III by one control cable and four power cables. At the EPP III, the cables are permanently connected to the power distribution unit. At the Generator Set 150 kW, the cables are coupled to receptacles on the control cabinet assembly. a. Connect control cable as follows: (1) Remove protective cap (1, figure 2-1 2) from control cable connector. (2) Remove protective cap (2) from J9 PARALLEL OPERATION receptacle. (3) Insert control cable into J9 PARALLEL OPERATION receptacle and tighten threaded coupling. NOTE The locking switches for receptacles L1 (ØA), L2 (ØB), L3 (ØC) and N cannot be closed unless the cable connector threaded couplings have been propperly tightened. b. Connect control cables as follows: (1) Remove protective covers (11). (12), (13), and (14) from power cable connectors L1, L2, L3 and N. (2) Insert power cable L1 (3, figure 2-12) into L1 (ØA) receptacle (4) and tighten threaded coupling. (3) Insert power cable L2 (5) into L2 (ØB) receptacle (6) and tighten threaded coupling. (4) Insert power cable L3 (7) into L3 (ØC) receptacle (8) and tighten threaded coupling. (5) Insert power cable N (9) into N receptacle (10) and tighten threaded coupling. Change 1 2-47

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