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Carrier fb4bnb070 wHAT TONNAGE IS THIS MODEL NUMBER

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I know this thread is a little old but I thought the question has still been left unanswered. Tonnage is assumed. But, CFM and BTUs are exact.
If anybody wants to know the true size of their a/c or heating system you need to go where the engineers go.
http://www.ahrinet.org/Home.aspx

Consumers and contractors need to rethink their thinking when it comes to whole house heating and cooling... (Im from a hot humid area in the USA) Hot dry areas have other needs I won't.
ie... an air conditioner is no longer BTU's in a box. They have evolved into computers. computers that drive the blower motors, the expansion valves, the thermostat/controller can tell you the sub cooling, superheat, and the delta-t. Some tell you if the duct work is incorrect, static pressure against the blower. They are also not as forgiving if installed incorrectly.
Our industry is just catching on, but the consumer is untrustworthy when it comes to duct work and static pressure.
And in our high humidity market having high airflow with low static pressures removes far more humidity then a duct system installed over 10 years ago, Also, most homes lack proper return grille sizes, when the homeowner's desires are to put MERV 16 filters.
Here is a very useful link for duct and grille sizing.
http://efficientcomfort.net/Charts/Rules_and_Rules_of_Thumb_for_Duct_Systems.pdf


Carry on my friends,

P.S. a neat little read,

http://www.energyvanguard.com/blog-building-science-HERS-BPI/bid/55629/Why-Is-Air-Conditioner-Capacity-Measured-in-Tons

Posted on Oct 24, 2016

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Posted on Jan 02, 2017

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SOURCE: Carrier air handler tonnage?

That is a fairly large difference. It is usually ok to have the inside evap. coil and blower up to 1 ton larger than the outside condenser. That will make the unit slightly more efficient as well as less likely to freeze up on low airflow situations. It is not recommended to install a new condenser on an old evap coil. There has been a lot of changes to the design of the coils in the last little while. For example a 10 year old 2 ton coil may only have 3 cubic feet of volume but a new 2 ton coil may have 4 cubit feet of volume.

There are many factors that may have infulenced the decision on what size condenser to install. Many of which can only be done by visiting the home and doing alot of work, checking the duct sizing bioth supply and return, inspecting the insulation and windows of the home etc. etc. Most of the time that never gets done. You can blame the contractor for not doing a complete check, but at the same time you can blame the customer because many contractors that are that good loose the job to a cheaper bid that did not no any of the research. It is a catch 22 for everyone involved.

There is ALOT more to sizing equipment that many people think, sadly that also includes many HVAC contractors. Way too many people use "rule of thumbs" or flat out "guess".

Sorry for the rant but your queston can only be answered by a good well educated HVAC contractor visiting your home. That type of a contractor is getting hard to find these days in such a price competetive world.

Posted on Oct 14, 2008

  • 306 Answers

SOURCE: Tonnage of my Carrier AC Unit

3 1/2 ton unit the 042 tells me.

Posted on Dec 11, 2008

james3751
  • 614 Answers

SOURCE: How to find tonnage for my Carrier AC

3.5 ton unit

Posted on Jun 14, 2009

  • 534 Answers

SOURCE: what tonnage and seer is carrier condensor model

3 ton unit possibly a 13 seer

Dave

Posted on Dec 08, 2009

  • 4736 Answers

SOURCE: what tonnage is my new

The AC unit you inquired about is 3.5 ton unit. With a 10 seer rating.

Hope this information helps.

Posted on Mar 01, 2011

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1 Answer

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Most likely a 3 ton judging by the "36" in the number. This is pretty standard in most all cases.

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Hi there I have a model number for my carrier a/c unit. I need to find out the tonnage. 38ykc042300 Please any help I will be very greatful.


This is a 3 and 1/2 ton unit.
The 042 in the model number is the tonnage of your carrier unit.
AC tonnage is based on 12,000 btu per ton.
12,000.....1 ton
18,000.....1 and 1/2 ton
24,000.....2 ton
30,000.....2 and 1/2 ton
36,000.....3 ton
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Need to know the tonnage ofCarrier s/s Model #38ARZ008, ser # 1404G20031


Brand: CARRIER Manufacturer: CARRIER CORP SYRACUSE Model Number: 38ARZ008(5/6)0 Condenser Type: air-cooled Coil Model Number: 40RM-008--B5/6GC System Configuration: Split System Air Conditioner Energy Efficiency: 10.6 EER Cooling Capacity: 90,000 BTUs / hour ARI Type Code: RCU-A-CB Electrical Service: Triple-phase Electrical Input: 8,490 watts per hour Voltage: 230 and 208 and 460

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1 Answer

What is the seer rating and tonnage of a bryant model fb4anf030


The Tonnage appears to be 2 1/2 ton,
024=24,000 BTU=2ton
030=30,000 BTU=2 1/2ton
036=36,000 BTU= 3ton

I dont think you have the correct Model Number, Look
on the outdoor unit, the model number might start with a 38. Hint Carrier and Bryant Products are the Same, just different nametag

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Tonnage of unit


Listed at Carrier at 2,330 Kilos so math says 2,330 X 2.2 = 5,126 lbs or about 2.5 tons though they listed it as a 3.5 ton max back when they sold this model.

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