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Author Topic: What happens if you uses a 1/5 HP hard start in a 1/4 HP refrigerator compressor  (Read 2102 times)

Offline Sarge2417

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  • Member Since: Jun 2014
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Hi can someone please tell me if i damage the compressor ....what happen is that there was a power surge that damage the original overload protector of the compressor so i replace it with a 1/5 HP hard start because i wasn't sure which one to use ..if to use the 1/4 or the 1/5....the customer called the next day and said the freezer cold the water but not making ice  :embarassed:

the compressor was a TECUMSEE AE1410Y
« Last Edit: June 28, 2014, 08:03:24 PM by Sarge2417 »

Offline tgoods

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I doubt you damaged the compressor. If you undersized the overload, the compressor would trip it easier. If you oversized the overload the compressor might not trip it before damage is done.  I'd go back with the OEM part and not use hard-starts.

Offline go400

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  • Member Since: Feb 2013
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You are lucky the compressor is not blown or damaged. Remove the hard start as soon as possible. The first power transient will short your windings.
 These hard starts have no thermal overload protection, very poor power overload protection and at startup pump in very high currents that can damage windings.


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