Question about Goodman CLQ36AR49 Air Conditioner

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Defrost timer One of the tects told me to set the defrost timer on 30 min, he said that he sets all of his units like this is this true? he also said that even though it is on 30 min it will not defrost every 30? is this true? Thanks

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  • jarighter Jan 24, 2009

    Thanks guys, I called my service tech, and asked him to check the defrost timer and freon, as I have received many comments concerning my Goodman Heat pump freezing up and running too long on AUX heat. He did, I told him that I received the information on this site. He found that the timer was set too high, and it was low on freon. Thank you so much for your time and knowledge, I don't think he even thought to check the settings, apparently he said the factory sets them, and there is no need to recheck them. I would not have known what to have him check for, without your expert knowledge and input. Thanks again. John, now warm in Tennesse, and saving money. P.S. he to did not know because I talked to him before about this problem and he said it was normal, without looking at the unit. You guys are GREAT!!!!!!!!!!!!

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The settings are for different regions. The colder your region the sooner you want it to go into defrost. If you have it set at 30 then every 30 minutes of run time the board will want to go into defrost. However there is a sensor that is mounted to the coil that registers the temp. of the coil. If the coil is not cold enough it won't let it go into defrost and the sequence starts over. The more it runs in defrost the costlier it is to run and the more wear/strain you put on the compressor and the system in general. Start at 60 and go from there.please don't forget to rate this solution. Thanks.

Posted on Jan 23, 2009

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Thanks for your question,
as to the first part of your question, it has some variables, first the area of the country you live in, the type of system you have, how large your home is, and up to the tech to figure out how many minutes it should run in defrost, for the area I live in Defrost timers are set from 10 to 30, normally around 15 mins, the unit will only go into defrost when the defrost sensing bulb senses ice build up and will then go into defrost mode, if you live in an area where it is almost always freezing, then running the defrost for 30 mins is not a bad idea, but if its a milder climate then turning it down to 20 or 15 mins is about right, hopefully this helps you out to better understand the defrost setting on your heatpump, please rate this so we know how we did, thanks again,
mr.grzz

Posted on Jan 23, 2009

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http://www.mbm-service.de/mbmTechTwo/True_/GDM-9+/Service_Manual.pdf

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If you need service or technical help:

TRUE MANUFACTURING TECHNICAL SERVICE
1-800-325-6152

Thanks for choosing FixYa.

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