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Hi guys, I try to solve this problem i have with my AC unit American Standard YCC048F. Short: The heating and cooling are ok, the only problem is the fan doesn't turn off even if heat or cool turns off. Some times even if i put the thermostat is on off the fan starts running. I try to find a relay for the fan but i don't know what can be the problem. Please help, for now i am switching on/off the unit to have it run. Thank you. Costi

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If the unit has printed circuit board the relay maybe in it which has probably welded contacts, must change the pcb then or try tapping it, it might help or even, try off and on power at circuit breaker it migt reset the pcb.

Posted on May 08, 2009

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Where can I find an instruction manual for a n american standard remote for a trane split heating and ac unit?


AccuLink Remote Control - American Standard

https://www.americanstandardair.com/.../acculink-remote-control.html
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homeappliance.manualsonline.com/manuals/.../american_standard/ameri.

Feb 03, 2016 | American Standard Heating & Cooling

2 Answers

American standard error code 158


thermostat error codes for an american standard ... - AllExperts

en.allexperts.com > ... > Heating, Air Conditioning, Fridge, HVAC
Aug 22, 2010 - programmable thermostat, error codes, american standard: James, I am not familiar with that stat set up,short of goggle/yahoo the codes may ...

Jul 24, 2015 | American Standard 5000 Heat Pump Unit

1 Answer

I have an error code on my american standard model # ACONT900AC43UA communicating,programmable comfort control. Says to find the Error codes from American Standard Pub 18-HD32D2-8 but I don't have...


I am experiencing the same error code on my American Standard AC and according to Public. #18-HD32D2-8, error code 126 is in the Equipment Change Alert Group and the description says "Equipment does not match value stored at startup." Then, in a footnote, it says "A device has changed since Auto Discovery (See Installer Guide *S& 0706 to reset)."

This is all Greek to me so I'm calling my AC guy. I can tell you this, however. I bought an American Standard AC brand new just two years ago and one year ago exactly, it blew up. American Standard replaced it. Now, one year later, more problems.

I question the quality of American Standard and would not be inclined to buy this brand again.

Jul 22, 2011 | Heating & Cooling

1 Answer

My thermostat when prgrammed and set on "auto" mode kicks on heat when temp drops below set temperature. The problem is that after warming up to that temperature...it does not shut the fan off. ...


I have a honeywell TH8320U thermostat and American standard Air handler with heating unit put in. THE thermostat works fine with the ac and follows the programs I have set. However the heat is a different story. The thermo clicks on to follow program but the unit does not run. (auto settings) If I place the thermo in heat and turn it to on I get heat?

Dec 08, 2010 | Honeywell Programmable Thermostat Heater

1 Answer

I have error codes flashing on my thermostat..it is an american standard model the manual for the therm. has ACOT900AC43UA on front..says to find addedum 18-HD32D2-1/69-2009 for codes i cannot find it...


Error codes from American Standard Pub 18-HD32D2-8, which is a one-sheet document that came with my American Standard air-conditioner:

29 = not listed

129 = not listed

80 = HPCO Fault - problem is in outdoor unit - Desscription: High Pressure Monitor Fault (hard lock out, cycle power to reset)

91 = Communication Inactive Fault - problem is in air handler - Descriptions - COMM Bit Master Clock Error, COMM Heat/Cool Demand Error, Serial Motor Communication Inactive Error

91 = Communication Fault - problem is in furnace - Descriptions: Blower motor no COMM response, Inducer motor no COMM response, Loss of heat/cool demand, Loss of clock signal

91 = Communication Fault - problem is in outdoor unit - Descriptions: Loss of Heat/Cool Demand Message (COMM), Loss of Bit Master (Clock Signal)

91 = Communication Fault - Description: Comm line is dead and no bits have been received.

By the way, I do not recommend American Standard. I've had mine 14 months and it just blew up - the entire control panel blew. My advice to you - think about a different brand.

Nancy
Scottsdale, Arizona

Aug 22, 2010 | American Standard Heating & Cooling

1 Answer

I installed a Honeywell TH5220d 1029 thermostat on a American Standard AC/Heat pump and the install and setup went fine. It cooles for about and hour and quit. I found the 5 amp fuse at the furnace...


Red wire to R on thermostat red on furnace and red on heat pump Same with white except w1 on thermostat. Blue to common on thermostat common of furnace (probably brown but will be marked) and blue to common on heat pump. yellow to Y on thermostat and straight to heat pump. Orange to O on thermostat and straight to heat pump. If wired correctly with no shorts fuse problem should be solved. commonly people leave enough wire exposed inside the t-stat for wires to short together. This will blow the fuse. Hope this helps. I understand the frustration.

Jun 27, 2010 | Heating & Cooling

1 Answer

Having a problem with my AC/Furnace. AC was working fine and was turned on for about 3 weeks. Thursday night it cooled off and we opened up until Saturday morning. On Saturday morning the AC would not turn...


I think your problem is poor usage of the device,i.e. overloading the system. try running better cables to your furnace and ac. The reason i am lead to believe that is. If you already hired a pro to come and fix it for you,and he/she could'nt then what else could it be? in my experience ac units use electricity like microwave ovens.and power tools

Sep 12, 2009 | Heating & Cooling

1 Answer

We had a new American standard furnace and A/c unit installed. A 2 ton compressor and a 2 and a half ton A coil. The unit is not cooling the charge was checked and it is ok. Unit is on and blower working...


make sure orfice used was for two ton unit and correct refridgerant also make sure that the elect auk heat is not pulled in check the psi on out door unit should be close to 225 hi side and 70 suction if heat pump switch the reversing valve man by orange stat wire to make sure shifting hope this helps

Jul 06, 2009 | Heating & Cooling

1 Answer

Need schematic for an American Standard A/C Model number 7A0030A1


American Standard and Trane are the same thing. The diagram you want is not complicated at all. Just straight cool unit. American Standard does not put low or high pressure controls on unit. You can get diagram on line At American Standard.com. Just what do you need to know? Very basic unit.

Jun 11, 2009 | Heating & Cooling

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