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need info on Moncrief elecrtic furnace

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Posted: Sat Jan 2nd, 2010 03:50 pm

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1^st Post

mattn124
Senior Apprentice Appliantologist

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I am moving into a different house, it has 2 furnaces/air condiioners. They look to be original with the house which was built in 1988.

The house is all electric everything, no gas. I have not tried to turn on the AC yet because it's cold outside, and the outdoor units are sitting on very sloped ground (erosion)

Both units do make heat, but one in particular looks like it needs repair, for some reason somebody removed the return ductwork to the unit that heats the main floor of the home. There is just a filter laying on it.

I really would like to find some info on these units, anything would be good but I would really like a wiring diagram/schematic.

They have the name "Moncrief" on them.

Model numbers are NAMB-FD10AA, NAMB-FD14AC

Fan unit 36G4

Thanks for any help

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Posted: Sat Jan 2nd, 2010 07:30 pm

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2^nd Post

mattn124
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I've tried the usual searches here and on Google but I'm not having any luck

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Posted: Sat Jan 2nd, 2010 07:45 pm

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RegUS_PatOff
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from another blog:

http://en.allexperts.com/q/Heating-Air-Conditioning-696/Noisy-C-Unit.htm

Question
I have a Fraser-Johnston system installed in 1988 fan unit model#namb fd 14 ac; heat pump model number g+hc036sa. Right now the avg temp here is 100.

Answer
S,

You must have had great luck with your system. It is well past average life for an air conditoner in a climate that reaches an average temperature of 100....

..... Due to the age of your unit, if it ends up being in need of a major repair, you should strongly consider replacing it.

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Posted: Sat Jan 2nd, 2010 08:37 pm

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4^th Post

mattn124
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Thanks for the post. I was hoping to find a wiring diagram though.

Probably will heed the advice on the last line of your post. I actually would like to replace the entire HVAC system, but for right now that's just too costly

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Posted: Sun Jan 3rd, 2010 01:06 am

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applianceman18007260692
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post some pictures of the beast

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Posted: Sun Jan 3rd, 2010 01:38 pm

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mattn124
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Here's a picture of it. It's the only pic I currently have. This is the unit with the missing return ductwork.

I'm not living in the house yet, but can post more pics soon

thanks!

Matt

Attachment: furnace2.jpg (Downloaded 21 times)

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Posted: Sun Jan 3rd, 2010 04:36 pm

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ACtechGUY
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WOW!!! A garden hose for a drain line... classy

Anyway your "Moncrief" looks to be a no name brand of "YORK"
Look for something like "unitory products group" on the label. If you see that, it is made by york.

Try searching for info under the LUXAIRE brand or YORK and NAMB . Don't use the whole model number.

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Don't know much. But learned early on, once you let the smoke out of a something electrical, you can never put it back in!! :oops:

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Posted: Sun Jan 3rd, 2010 04:50 pm

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8^th Post

mattn124
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Thanks for the info! Yea,, the garden hose sure is nice.. Wasn't my doing, that's how the unit is from the previous owner.

That picture was taken by the home inspector I hired to go over the property. I'm going to get some more pics up when I can.

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Posted: Sun Jan 3rd, 2010 09:27 pm

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mattn124
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Here's the label on the unit for the main floor

Attachment: Furnace (first floor) 1a.jpg (Downloaded 14 times)

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Posted: Sun Jan 3rd, 2010 09:27 pm

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10^th Post

mattn124
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Here's the label for the unit for the 2nd floor

Attachment: Furnace (second floor 1)a.jpg (Downloaded 14 times)

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Posted: Sun Jan 3rd, 2010 10:01 pm

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11^th Post

ACtechGUY
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Sorry, I can't help with a schematic.

I would not assume your fancoil does not work just because it doesn't have return ductwork. If I were to guess , it was installed by the prior homeowner or one of his relatives that did a/c work for a WHOLE month. The job was done bad and never finished judging by the garden hose and missing return.

____________________
Don't know much. But learned early on, once you let the smoke out of a something electrical, you can never put it back in!! :oops:

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Posted: Tue Jan 12th, 2010 10:50 pm

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12^th Post

mattn124
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That furnace does work, for now. Blows nice hot air. I just assume that it's going to give me problems and it'd be nice to have materials to help troubleshoot..

Thanks

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Posted: Tue Jan 12th, 2010 11:24 pm

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13^th Post

ACtechGUY
Master Appliantologist

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If you haven't already, look inside the blower compartment. All units come with diagrams pasted inside the unit(somewhere). If it is there it will either be on the blower housing(possibly covered in dust/ mold and difficult to see), on inside of the cover you just took off(those sometimes go missing because they can peel off, also difficult to see due to dust and mold) or inside of the panel that covers all the electrical parts .

____________________
Don't know much. But learned early on, once you let the smoke out of a something electrical, you can never put it back in!! :oops:

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