HOMA T-motor voltage change User Manual
T-Motor Voltage Change
This procedure will provide you with step by step instructions
to convert the operating voltage of dual voltage motors.
1. Remove cap screws holding motor to
volute
2. Slowly, and carefully lift motor straight
up (Do not allow rotor to scrub against
stator!) Lift motor part way and
disconnect seal probe. Failure to
disconnect will cause the probe to
become damaged and rip out (Fig.1)
3. Remove wavy washer from upper
bearing and set it aside.
4. Turn motor over and gently untuck
wire bundles from around the stator
winding. (Fig. 2)
5. Record the wires in each of the
bundles. If there are 4 bundles, the
pump is wired for 230V. If there are 6
bundles, the pump is wired for 460V.
6. Identify and separate the bundle that
has wire number 1. Also separate any
bundles that have numbers 4, 5, and
6. (Fig. 3)
Publication
88FN2046A
Please Contact Technical Support At 203-736-8890 With Any Additional Questions
Please Be Prepared To Provide Pump Serial Number During Call
Fig. 2
Fig. 3
Fig. 1
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7. Re-connect the wires as seen in
(Fig. 4).
8. Separate the wire bundle with wire
number 2 and re-connect as seen in
(Fig 4).
9. Separate the wire bundle with wire
number 3 and re-connect as seen in
(Fig 4).
10. Double-check all wires have been
connected correctly.
11. Gently tuck wire bundles behind stator
windings, being certain nothing
extends below the motor housing.
(Fig. 5)
12. Place wavy washer back on top of
upper bearing and verify large motor
housing o-ring is positioned in its
groove.
13. Slowly and carefully lower motor
housing onto pump (DO NOT ALLOW
ROTOR TO SCRUB AGAINST
STATOR.) For T-motors, re-connect
seal probe.
14. Re-attach motor housing to volute with
cap screws.
15. Record voltage change in pump
service manual.
16. Pump is now ready to operate.
Fig. 4
Fig. 5
Publication
88FN2046A
Please Contact Technical Support At 203-736-8890 With Any Additional Questions
Please Be Prepared To Provide Pump Serial Number During Call
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2 of 2
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