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Installation Installing Two Pumps for Tandem Operation <br />Voltac <br />must i <br />PUMP 7 <br />Td exi <br />light <br />sup <br />Thermal overload Thermal <br />Note: Observe color code L1, L2, L3 phase overload <br />kms,-ao,-,zza® sequence for proper rotation of motor. <br />Figure 17. Suggested Diagram for Wiring Dual Manifold Systems, Two -Wire Control, Three Phase <br />Voltage rating of relay coil must match power supply. <br />PUMP 1 <br />Switch at loading rack <br />2081230.V or 400V <br />LiIL21 L3 three-phase power supply <br />a <br />Blue <br />PUMP 2 <br />Blue <br />Blue , <br />To ext. pilot To ext. pilot <br />light 115V ra Red light 115V OranPed <br />supply Black i supply Black' , <br />Thermal overload Thermal <br />:�GS:38^.-;erns <br />N-!1:U5=':'e CCICC code 2LJ Phase overload <br />sequence for proper rotation o�f motor. <br />0 <br />Figure 18. Suggested Diagram for Wiring Dual Manifold System, Three -Wire Control, Three Phase <br />23 <br />