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2. Check power circuit, supply voltage, fuses and disconnects. 3. Verify drive to motor wires are damage free, properly connected and torqued to specifications. 4. Check belt tension and condition. 5. Verify no mechanical problems exist (i.e., binding, motion restriction). 6. Check control input signals. Refer to applicable table of inputs. Problem: Drive started but wash basket is not rotating. Corrective Action 1. Verify drive to motor wires are damage-free, properly connected and torqued to specifications. 2. Verify no mechanical problems exist (i.e., binding, motion restriction). 3. Check control input signals. Refer to applicable table of inputs. Problem: Wash basket not accelerating properly. Corrective Action 1. Verify drive to motor wires are damage-free, properly connected and torqued to specifications. 2. Verify speed selection control wire connections. Refer to applicable table. F232120 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT Allen-Bradley 160-Series AC Drives Allen-Bradley 160-Series AC Drives Installation/Wiring Input Power Conditioning The drive is suitable for direct connection to input power within the rated voltage of the drive. Listed in Table 21 are certain input power conditions which may cause component damage or reduction in product life. If any of the conditions exist, as described in Table 21, install one of the devices listed under the heading Corrective Action on the line side of the drive. IMPORTANT: Only one device per branch circuit is required. It should be mounted closest to the branch and sized to handle the total current of the branch circuit. CAUTION An incorrectly installed system can result in component damage or reduction in product life. The most common causes are: 1. Wiring AC line to drive output or control terminals. 2. EXTERNAL voltage application to control terminals. 3. Incorrect or inadequate AC supply. Contact factory for assistance with application or wiring. W660 Input Power Condition Corrective Action Low Line impedance (less than 1% line reactance) • Install Line Reactor • or Isolation Transformer • or Bus Inductor – 5.5 & 11kW (7.5 & 15 HP) drives only Greater than 120 kVA supply transformer Line has power factor correction capacitors • Install Line Reactor • or Isolation Transformer Line has frequent power interruptions Line has intermittent noise spikes in excess of 6000V (lightning) Phase to ground voltage exceeds 125% of normal line to line voltage • Remove MOV jumper to ground. • or Install Isolation Transformer with grounded secondary if necessary Ungrounded distribution system 240V open delta configuration (stinger leg) (1) • Install Line Reactor (1) For drives applied on an open delta with a middle phase grounded neutral system, the phase opposite the phase that is tapped in the middle to the neutral or earth is referred to as the “stinger leg,” “high leg,” “red leg,” etc. This leg should be identified throughout the system with red or orange tape on the wire at each connection point. The stinger leg should be connected to the center Phase B on the reactor. Table 21 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT F232120 Allen-Bradley 160-Series AC Drives Electrical Interference EMI Careful attention must be given to the arrangement of power and ground connections to the drive to avoid interference with nearby sensitive equipment. Be sure to replace all ground connections to their appropriate locations. RFI Drives can be installed with an RFI filter, which controls high-frequency conducted emissions into the main supply lines. Where it is essential that very low emission levels must be achieved or if conformity with standards is required, the optional RFI filter may be present. Figure 21 displays an electrical schematic for various RFI configurations. shows associated RFI filter part numbers. CAUTION ELECTRIC SHOCK HAZARD! Service and maintenance to be performed only by an authorized technician. Disconnect power before opening any access panels. W661 U166ME3A L1 TO AC DRIVE UNIT . GREEN-YELLOW WIRE MUST CONNECT TO AC DRIVE GROUND TERMINAL. BLACK WIRES WILL CONNECT TO AC DRIVE INPUT TERMINALS "R", "S" & "T". BLACK WIRES ARE NOT LABELED AND THEIR RESPECTIVE TERMINATION IN AC DRIVE IS NOT OF IMPORTANCE. L2 ALLEN-BRADLEY RFI FILTERL3 LINELOAD PROVEN EARTH GROUND WASHING MACHINE GROUNDING TERMINAL THREE PHASE MACHINES INPUT POWER 1 2 3 2 3 L1 TO AC DRIVE UNIT . GREEN-YELLOW WIRE MUST CONNECT TO AC DRIVE GROUND TERMINAL. BLACK WIRES WILL CONNECT TO AC DRIVE INPUT TERMINALS "R", "S" & "T". BLACK WIRES ARE NOT LABELED AND THEIR RESPECTIVE TERMINATION IN AC DRIVE IS NOT OF IMPORTANCE. L2 ALLEN-BRADLEY RFI FILTERLINELOAD PROVEN EARTH GROUND WASHING MACHINE GROUNDING TERMINAL SINGLE PHASE MACHINES INPUT POWER 1 2 3 2 3 Figure 21 F232120 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT Allen-Bradley 160-Series AC Drives RFI Filter Part Number Information Drive P/N Drive Catalog Machine Voltage F...
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