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Mike, Master Electrician
Category: Electrical
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Experience:  Licensed Master Electrician - OnQ Certified Data Voice Audio Video Installer
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Changing a Westinghouse mdl ALOP 1& 1/2 hp from 220 to 120V

Customer Question

Changing a Westinghouse mdl ALOP 1& 1/2 hp from 220 to 120V nameplate diagram shows 1-3-L 2-4-L 5-6-10 7-8-9 Question 2 capacitors inside wiring box. What do they connect to??
Submitted: 1 year ago.
Category: Electrical
Expert:  AssuredElectrical replied 1 year ago.

Welcome. My name is ***** ***** would be glad to assist.

1. Please provide the complete model numbers off the nameplates.

2. Are you just unwiring the 120 volt connection in the wiring box and changing to 240 volts?

Let me know and we can continue,


Customer: replied 1 year ago.
Hi Tommy Actually going from 220 to 120 account of that is what is available. Model is ALOP Seriel number is *****
Ser 6312 frame 184 1&1/2 hp 1725 rpm Westinghouse
Expert:  AssuredElectrical replied 1 year ago.


So you are dropping down on the voltage, correct?

Are the motors still wired?

Not sure why the capacitors would even be touched when changing voltages, that is not something normally done.

Unable to find any information on such a model number with a motor even at westinghouse.

It sounds like they were removed from an air compressor or other equipment, and that makes them an OEM and hard to get info on.

Need the make and model of the equipment that they were removed from to try and get info.

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