Voltage Change, GRP, TP, T Motor
Contents
1. in pump service manual Publication Please Contact Technical Support At 203 736 8890 With Any Additional Questions Page S88FN2045A Please Be Prepared To Provide Pump Serial Number During Call 5 of 52. Pump lechnology Inc This procedure will provide you with step by step instructions to convert 208 230 V operating voltage to 460V in dual voltage motors You Need 5mm Allen Wrench Wire Cutters Wire Strippers Terminal Crimp Tool Qty 6 Crimpable Wire Nut Hoist or Qty 2 2x4s 1 Remove pump from service Disconnect power supply Clean and decontaminate pump prior to working on it See the pump Installation Operation and Maintenance Manual for detailed instructions 3 Carefully lift stator housing 3 inches with hoist if available and check under stator housing for internal seal probe CAREFUL lifting housing more than 3 inches may damage seal probe If no hoist is available lift by hand and slide the 2x4s under the housing to hold it up Disconnect probe if installed Carefully lift stator housing off the pump 2 With pump in stable upright position remove the 5mm cap screws as indicated Publication Please Contact Technical Support At 203 736 8890 With Any Additional Questions Page S88FN2045A Please Be Prepared To Provide Pump Serial Number During Call 1 of 5 4 Sometimes the housing will be difficult to remove Twist the housing turn 90 degrees exposing the bottom of the cable entry horn Using a soft faced hammer gently tap the cable entry horn to free the stator housing 6 With motor disassembled turn stator housing upside down and support it so it is free standing Stator w
3. e of 3 wires 4 5 6 mo is the same Resistance value is different for the various size motors so please consult wiring handbook for specific resistance values if required Publication Please Contact Technical Support At 203 736 8890 With Any Additional Questions Page S88FN2045A Please Be Prepared To Provide Pump Serial Number During Call 4of5 16 Place the wavy washer on top of upper bearing if present Use a little bit of grease to hold in position if necessary Verify that the large o ring Is still in its proper position on the pump housing 17 Reinstall the internal seal probe if necessary while gently placing motor housing back onto pump Take care not to disturb washer when reinstalling 15 Starting with bundles 4 7 5 8 6 9 gently tuck these 3 wire bundles behind the windings on one side of stator Then tuck the remaining 3 bundles behind the windings on the other side Take care that all wires are tucked between stator winding and housing Also check that white phase paper is in proper position and not extending below the stator housing 18 With motor housing back in position rotate motor housing until cable entry horn is in line with pump discharge as indicated in photo Then align bolt holes and replace capscrews Tighten capscrews to 12 ft lbs 19 Pump should now be ready for installation and operation at 460V Be sure to record The pump is now ready for reassembly that voltage has been changed
4. indings and cable leads must be visible and easy to reach Your unit should now look like this Gently remove all wires from around the stator windings Take care not to damage the winding insulation Do not use sharp tools 5 With stator housing removed determine if a wavy washer is present by checking the top of the bearing the top of the stator housing and the stator windings Place it aside until reassembly Publication Please Contact Technical Support At 203 736 8890 With Any Additional Questions S88FN2045A Please Be Prepared To Provide Pump Serial Number During Call Note Refer to markers on the end of the cable to identify L1 L2 and L3 If markers are missing consult HOMA document number 88WA3005A Missing Wire Numbers ID available online Note Wiring may be color coded or numbered See below for wire Identification 7 Separate the wire bundles as indicated and record the wire numbers in each bundle The pump will have 4 wire bundles Bundle 1 Bunde 2_ Bunde 3 __ Bundle 4 Note The wire numbers for 6 and 9 appear as 6 and 9 8 To convert from 230V to 460V operation you will need to separate the wire bundles one at a time and reconnect as indicated below 230 Volt 460 Volt THEE 4 F 6 ea ee ee ee 9 To perform the reconnection locate the Q Y 4 2 7 B 9 wire bundle with wires 1 7 and the aa a ee m power lead Cut wire connector from the 1 2 3 CT i 3 bund
5. le freeing individual wires Strip tT tT T 7 wire sheathing back 14 in preparation for L1 L2 L3 L1 L2 L3 reconnection Publication Please Contact Technical Support At 203 736 8890 With Any Additional Questions Page 88FN2045A Please Be Prepared To Provide Pump Serial Number During Call 3of5 10 Select wire number 1 and the power lead Reconnect these 2 wires with the 13 Now you will need to separate the wire crimpable wire nut close end connector bundle with numbers 4 5 6 and pair Leave wire number 7 loose for now each wire with the loose wires numbers 7 8 and 9 as indicated Using the last three wire connectors 11 Repeat procedure for wire bundle 2 8 and power After separating wires Join wire 4 to wire 7 reconnect wire number 2 and power lead Join wire 5 to wire 8 with crimpable wire nut Leave wire Join wire 6 to wire 9 number 8 loose for now 12 Repeat procedure for wire bundle 3 9 and power After separating wires reconnect wire number 3 and power lead with crimpable wire nut Leave wire number 9 loose for now 14 At this point you should have 6 separate wire bundles each with 2 wires Wires should be paired as follows 4 to 7 5 to 8 6 to 9 1 to power 2 to power and 3 to power Now you should have three new bundles 2 and power 3 and on d aaa Before proceeding you should check the along with 3 separate wires 7 8 9 and resistance between all three cable leads one bundl
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