Correcting "short-cycling" on new system install.

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  #1  
Old 07-03-07, 12:10 PM
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Correcting "short-cycling" on new system install.

I live in a rural area, where we have frequent power outages. Because of this, the existing airhandler (heatpump/separate airhandler) would "short-cycle" or go on-off-on-off (etc) in rapid succession. This action drives me up the wall hearing that sound and visualizing the commutator being "burnt", each time that it would happen. (Apparently, there was a delay timer built in to the Honeywell thermostat to protect the heatpump compressor)

Thanks to the advice of Ed Imeduc, Bloodstone, GregH, Jim-Connor and TigerDunes, of this forum, I'm having installed a Trane XL16i dual stage heatpump with a matching variable-speed airhandler.

I understand that the new heatpump is protected by a built-in "anti-restart timer".

The QUESTION...Is there any sort of anti-restart/delay timer" that can be installed to protect the new variable-speed (airhandler) blower motor, to minimize any damage done during a short-cycling event.

Many thanks to you all.

TranquilAcres
 
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Old 07-03-07, 09:32 PM
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The 4TEE Air Handler has a ECM motor in it so short cycling is not the issue.
Your only concern with the Air Handler maybe a surge protection for the ECM motor and control board.
 
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Old 07-05-07, 07:46 AM
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Thank you, ClassicDave, for your recommendation.

I'll run your suggestion by the contractor to install a surge protector to protect the ECM motor and the control panel OR a whole-house surge protector to cover everything.
 
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Old 07-05-07, 07:35 PM
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tranquilacres,

Enjoy the XL16i, It's my Top choice for a Trane System.
2 speed compressor, 410A refrigerant.
the 4TEE is Trane's top Air Handler the ECM motor will make the
Air Handler Super Quiet in low speed. Good Stuff.
 
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Old 07-07-07, 11:50 AM
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Wink

a whole-house surge protector to cover everything.
If your power goes on and off that much. Id for sure put a surge protector on the main panel. They have one that goes right in a knock out on it and ties right to the 2 hots and ground right on the mains.
 
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