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Old 05-11-2016, 06:31 PM   #21
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Location: Eastern Ontario
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The integral thermostat in the AC should already have a temperature differential that will take care of delay between compressor off and compressor on when unit is mounted on the seems right now since it is sitting outside and not installed it can not sense temperature properly....and starts up again too soon....???

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Old 05-11-2016, 06:54 PM   #22
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Originally Posted by tru2au View Post
You say it needs a "delay on break" timer. Where can I purchase one of these? Are they universal or do I have to purchase one that fits my particular unit? Also, you mention "delay on make" relays. Does that mean I can set the relay for like 5 minutes or longer before it comes back on? My problem is not the unit not coming on and running. It's just when it gets to the temperature that is set and cuts off that is causing the problem. It starts back up in like two minutes and strains to get the compressor started back up. That's when it kicks the breaker. Thanks
They are universal. You can get some that have a fixed time delay and others that are adjustable from 30" to maybe 8 minutes. 3 minutes should be plenty. What they will do is prevent the unit from trying to come back on before the delay has expired. They normally go on the low voltage thermostat connection to the compressor contactor (relay.) In a stick house they are normally in the yellow low voltage lead.

Amazon has them as ( most good digital thermostats and they are often called "compressor protectors." You can see that they are intended for your application by looking at the product description on any one of them on Amazon. In my Florida house I needed one since I have a float switch on the condensate line. When the line drains slowly it will float the switch and turn off the compressor but when the float drops it will again connect the whatever time it takes. Put one in and the problem is solved.


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Old 05-11-2016, 09:10 PM   #23
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I have decided I am going to take a chance. I am going to put it on in the next few days and check to see how much of a delay there actually is. Thanks for all your help. I am really impressed with the information you all have provided.

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