# Carrier A/C

**URL:** <https://forum.nachi.org/t/carrier-a-c/11888>\
**Category:** Inspecting HVAC Systems\
**Created:** [January 18, 2007, 2:51am UTC](https://forum.nachi.org/t/carrier-a-c/11888 "2007-01-18T02:51:18Z")\
**Posts on this page:** 6\
**Page:** 1

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**Author:** ![bhartley](https://sea2.discourse-cdn.com/internachi/user_avatar/forum.nachi.org/bhartley/32/1448_2.png) [@bhartley](https://forum.nachi.org/u/bhartley)\
**Post date:** [January 18, 2007, 2:51am UTC](https://forum.nachi.org/t/carrier-a-c/11888/1 "2007-01-18T02:51:18Z")

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I can not find this unit in the CARRIER BLUE BOOK or PRESTON’S GUIDE, I have a Carson Dunlop ordered. The model number is 38CKB036320. THANKS!! for your help in advance.

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**Author:** ![mboyett](https://sea2.discourse-cdn.com/internachi/user_avatar/forum.nachi.org/mboyett/32/59512_2.png) [@mboyett](https://forum.nachi.org/u/mboyett)\
**Post date:** [January 18, 2007, 4:22am UTC](https://forum.nachi.org/t/carrier-a-c/11888/2 "2007-01-18T04:22:12Z")

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Sorry you can’t find it. Your welcome for the help. Seriously though, if you are looking for the mfg date you’ll need to post the serial number for that 3 ton unit.

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**Author:** ![bhartley](https://sea2.discourse-cdn.com/internachi/user_avatar/forum.nachi.org/bhartley/32/1448_2.png) [@bhartley](https://forum.nachi.org/u/bhartley)\
**Post date:** [January 18, 2007, 10:52am UTC](https://forum.nachi.org/t/carrier-a-c/11888/3 "2007-01-18T10:52:51Z")

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The serial number is 2296E11894. THANKS!

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**Author:** ![rcooke](https://sea2.discourse-cdn.com/internachi/user_avatar/forum.nachi.org/rcooke/32/57038_2.png) [@rcooke](https://forum.nachi.org/u/rcooke)\
**Post date:** [January 18, 2007, 11:10am UTC](https://forum.nachi.org/t/carrier-a-c/11888/4 "2007-01-18T11:10:01Z")

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> [@bhartley](#):
>
> The serial number is 2296E11894. THANKS!

My books are in the Cold Car . I expect it is a 96 3 & 4 # (22(96)E11894)  
Thats what I would use also look at furnace age ,usuall this adds confirmation in my area, also check gas fitter tag  
Roy Cooke

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**Author:** ![Dennis\_Hodkinson](https://avatars.discourse-cdn.com/v4/letter/d/ecc23a/32.png) [@Dennis\_Hodkinson](https://forum.nachi.org/u/Dennis_Hodkinson)\
**Post date:** [January 18, 2007, 12:53pm UTC](https://forum.nachi.org/t/carrier-a-c/11888/5 "2007-01-18T12:53:16Z")

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On the Carrier, the first four numbers in the serial number represent the week and year, so this one would have been May or June of 1996

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**Author:** ![dchew](https://avatars.discourse-cdn.com/v4/letter/d/7c8e57/32.png) [@dchew](https://forum.nachi.org/u/dchew)\
**Post date:** [January 19, 2007, 5:18am UTC](https://forum.nachi.org/t/carrier-a-c/11888/6 "2007-01-19T05:18:20Z")

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Here is the link to the Carrier website to 38ckb series of compressors.

[http://xpedio.carrier.com/idc/groups/public/documents/techlit/38ckb-1si.pdf](http://xpedio.carrier.com/idc/groups/public/documents/techlit/38ckb-1si.pdf)

It looks like it’s a contractor’s grade unit that was probably replaced by the 38CKC series.