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I just wondered what the purge light is indicating. This i s a zoned system, it is a Honeywell Zoning board and the purge light is flashing...what are the possible problems?
thanks.

Hello...I just wondered if it was possible to use a 3 ton condenser on a 4 ton evaporator coil? What are the consequences of doing this? Thanks. Jason

yes, the ductwork can handle it...and I know I can find like a 1625 rpm motor..

this is a direct drive unit...

I am adding AC to an existing furnace...the need for cooling exceeds the capacity of the current blower...what are the limitations on a the output of a blower wheel?...can I add a motor with a few...

LOL...ok Doc, which one is causing the problem...I just thought that the dirty coil was a good place to start...thanks for the help...

thank you for your responses...this unit has a pvc drain in it with a trap and it has worked like this for 2 years...I like the response about the dirty coil...I think I will start there when I go...

I was called to check out a drain the other day...this is a couter flow unit with the evap. coil sitting directly on the furnace...the owner tells me that for two years this set up has worked just...

Hi...can anyone tell me what the initial installation cost of a geothermal system would be vs. traditional forced air furnace and air conditioning...in general is it 2 times the cost or 3 times? ...

Hello...can anyone help me with the name of the furnace with this model # C189942....this is in a mobile home and the furnace looks to be about 20 years old or so...

I was in the ice making and distributing business for 5 years...We ran the turbo ice makers...good machines...the company we sold to, set themselves up with the vogt machines...wet ice was also a...

western michigan...New Era

michigan

Can anyone give me some advice on sizing new ac for an existing church? Thank you.

yes, I did make the march 1 test in lansing...I think I am borderline on the HVAC...I think I failed limited service...aced the refrigeration and refrigeration service, thats were I spend most of my...

I will be testing for: Hydronics, HVAC, refrigeration, limited heating, limited refrigeration...and thanks to all for your replys...

thats just it...they list about 15 books as suggested study material...

michigan...I have never taken the test....so i dont know what i know...if that makes sense

Hello...I will be taking the exam for the mechanical contractors license shortly...I wondered if anyone could help me narrow the focus of my studies...thank you...Jason

that answer comes with even a little bit of experience in the field...I'd stay home and pull something else...

thanks for the help bananaboy, but this is not an ignitor position problem...in that case the system would have shut down because it couldnt prove a flame...yes?

yes..yes...I like the heat anticipator idea...thank you...I will check that out tomorrow.

i disconnect the ignitor and it still does it...

this furnace is a York...maybe 7 years old...i've checked polarity and ground...the time the valve is on is not long enough to get to flame rectification...

furnace is natural gas...gas pressure...

I am checking into a furnace that is giving me some trouble. The furnace goes through its sequence, ignitor comes on...gas valve clicks and a fracction of a second later it clicks off as well as the...