Regarding the peak amps on startup...

Is that still taking into account the input from the start capacitor? Seeing OP's numbers of 125 peak amperage, wouldn't that trip most breakers even if it's just a momentary pull?

Are you taking your readings upstream or downstream of the start capacitor? Would be curious to see the readings on each leg of house wiring into the unit. (Probably not enough slack in any of the junction boxes though to get the loop meter around it.)

Kenneth_2003 said:

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Is that still taking into account the input from the start capacitor? Seeing OP's numbers of 125 peak amperage, wouldn't that trip most breakers even if it's just a momentary pull?

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Probably not. Breaker curves tell you a lot about how they perform - Example.

This is not the OP's breaker, but its performance will look similar. If he has a 50A breaker and it followed this curve, it will trip at:
- 400A in 1 second
- 300A in 2 seconds
- 200A in 5 seconds
- And so on

These breakers are designed to handle the inrush current for starting a motor. The damage curve of all the downstream components (ie cable, lugs, etc) could be plotted and would also be to the right of the trip curve, meaning that they were not at a high enough current level for long enough to cause any damage.

88agswin said:

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cbminers said:

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Anyone have a recommendation for someone on the north side of Houston / The Woodlands who would do a good job installing one of these for a reasonable price?

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Give us a call...we will install it for you.. Wise Guys Heating & Cooling. you order the Micro Air online from Amazon and let me know when you get it and we will come install it. $204 out the door 713-466-7555 Jim Wolf Class of '88!!

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Do y'all do ductwork, need to add a vent to a walk in closet, as well as have the A/C and furnace checked out for general maintenance. In Garden Oaks/Oak Forest.

TXAG 05 said:

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88agswin said:

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cbminers said:

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Anyone have a recommendation for someone on the north side of Houston / The Woodlands who would do a good job installing one of these for a reasonable price?

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Give us a call...we will install it for you.. Wise Guys Heating & Cooling. you order the Micro Air online from Amazon and let me know when you get it and we will come install it. $204 out the door 713-466-7555 Jim Wolf Class of '88!!

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Do y'all do ductwork, need to add a vent to a walk in closet, as well as have the A/C and furnace checked out for general maintenance. In Garden Oaks/Oak Forest.

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yes

Perfect. I'll give you a call today.

I have a few carrier brand variable speed air conditioners. I am starting the process of getting a whole home generator and will need to add soft starts to these air conditioners.

Is there a preferred brand of soft start that works better with carrier? Is there one brand of soft start better or longer lasting than another? Any with a longer warranty or other advantages over another brand?

Looking on amazon, there are lots of complaints about the new "flex" model having issues and only lasting a few weeks.

And there is currently a 4-5 week back order for the Microaire on amazon

I have read that they are not needed for variable speed units. You should check your starting amps or the LRA figure on your units to see what you are working with.

I ordered mine directly from Micro Air. They've been going for 3 weeks now with no issues.

Where do you service?

badbilly said:

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Where do you service?

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Cypress Tx is where our office located. For Ags we will cover a larger area. Where are you located?

Wixon Valley/Bryan