Question about Bryant 462AJC021BA Air Conditioner

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Air handlers unit does not shut off i have to shut it off by the circuit breaker

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Make sure the thermostat is set in the auto possition, if yes and still doesn't stop when it riches the temperature is set for, probably the fan relay is bad or the thermostat is wiring wrong.

Posted on Sep 24, 2009

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1 Answer

10 year old Goodman central AC won't come on after mini power outage. Breakers and wall thermostat OK.


Check the start capacitor for proper value and replace if necessary.
Ditto for thermostat. There are also some fuses in the air handler that might need replacement.

You may have had a power surge that had a bad effect on electronics of unit. Make sure that unit is receiving power for one thing. U might try to reset the electronics by completely shutting off all the breakers to compressor and air handler and waiting a few minutes and then reconnecting.

Sep 02, 2015 | Goodman Heating & Cooling

1 Answer

My air handler fan does not come on, the outside unit turns on fine. Is their a way to reset the fan?


Check for fan operation by turning the fan control at the thermostat to "on". If the fan blows, it works. If not, check a circuit breaker or fuse.

If the fan blows when forcing it on with the thermostat but not in automatic, check the fan control circuit in the air handler. Danger: high voltage, beware! There should be a system wiring diagram inside the air handler somewhere.

Mar 30, 2014 | Rheem 4 Ton Air Handler - RHLLHM4821JA

1 Answer

How do I find the fuse for central air type is a heil


There's a small 3 amp fuse in the air handler (indoor) that protects the control transformer (there should also be internal circuit breakers and a disconnect outside). The condensing unit (outdoor) is protected by an outside disconnect and circuit breaker.Be sure to shut the power before messing around in the air handler.

Aug 21, 2013 | Heating & Cooling

1 Answer

Were is the reset button on the unit?


Hi, here is the theory on the reset button on Air Conditioners. They reset via the breaker panel box in your house. Check that first before anything else. However if your unit is popping breakers, it is because the rating for the breaker is incorrect, or there is something that needs servicing usually in the outside unit called the condenser. That piece contains the compressor. A faulty compressor and pop the breaker. Or If the condenser fan that blows over the coils of the outside unit stops (common failure) The compressor will overheat and shut down. That may not trip the breaker but the house will get hot anyway. Usual action for this is to replace the condenser fan motor and starting capacitor. Make sure the speed rating and directional rotation for the replacement motor is the same as the motor removed.
There are other reasons why the system won't come one fully. If the wall thermostat is digital and does nothing. including turning on the fan. There will be a small fuse located on the circuit board of the air handler (part of Air Conditioner mounted inside the house. It houses the circulation fan). That fuse could be blown. That one shuts down just about everything.
On air handlers mounted up into the attic crawl space there is an overflow pan. This pan is mounted directly below the air handler. This pan can fill with water when the drain pain contained inside the air handler starts to overflow because the drain system to that is clogged.
There is a "float switch" mounted in the overflow pan wired to the system in such as way as to shut down the entire AC system if that pan fills.
The handling is to clear the obstruction in the Drip Pan inside the air handler. Then remove enough water from the overflow pan and the AC will run as though nothing has happened.
If you have more questions, write to me on this site.
One thing more. The capacitor alone in the Outside condenser unit can fail and that will stop the condenser completely if it is of a "split" design and used for both the compressor and fan. When replacing this unit alone, ALWAYS find the same specification part.
I hope this helps,
Have a Happy New Year,
Mark

Jan 02, 2011 | Goodman CLJ30AR32 Air Conditioner

1 Answer

Indoor unit freezes up, turn the mode button to the fan only to thaw out the indoor unit but the outdoor unit runs, What should I look for?


If the outdoor unit is not shutting off, your indoor coil will freeze up when the thermostat "satisfies" and shuts off the blower. The most common cause of a non-stop outdoor unit is the contactor. This part is usually black or brown in color. The line voltage wires that come from the service disconnect to the outdoor unit hook up directly to this contactor. If you shut all the power off (circuit breakers), the outdoor unit will shut off. You might be able to tap on the contactor to "free" it. This might allow the unit to work for a little while, but 99 times out of 100, once the contactor starts sticking, it will continue to stick. Replace the Contactor. Extra precaution needs to be taken as there are two seperate voltage sources......240 volts from your circuit breaker box and 24 volts from the air handler. You should use a voltage tester prior to performing any electrical work.
http://www.youtube.com/watch?v=lywcF7Lt2n0

I hope you found this information helpful.
Good Luck! :-)

Mar 08, 2010 | Heating & Cooling

1 Answer

No ac


please check if you have a drain line float switch, if your drain line plugged up it will tripped it, normaly it is located on main or secondary drain line on the front of air handler...

Aug 23, 2009 | Heating & Cooling

1 Answer

Type of circuit breaker for a rudd handler the one attached to the handler


These are special breakers you amy ahve to contact Ruud. Go online for ac parts you will need your model number. If you have a disconnect within 6 ft of unit you can install a terminal block in place of the breaker. Rus

Aug 19, 2009 | Heating & Cooling

2 Answers

Central AC unit sent smell and smoke film


thermostat can short out turning on system a short in wiring will do same --smoke can be from fan or circuit board have a mechanic service the system

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2 Answers

Fuse blowing on tappan air handler


most of the time its out by the ac unit . you have a shorting thermostat wire .. the outside unit has a large wire thats 240v and a small one that 24v thats the one you want to look at . look for bare wires , look where it goes into the wall , thats the common place . "critters" love to chew thermostat wire . so take a look . .....please rate this answer , i need votes . thanks

Jan 24, 2009 | Heating & Cooling

2 Answers

Air handler circuit breaker


WITHOUT ANYTHING TO LOOK AT I WOULD SAY HE CONNECTED HALF THE LOAD TO ONE OF THE PHASE WIRES AND THE OTHER TO THE OTHER PHASE WIRES , PHASE WIRES MEANING 120/240 SINGLE PHASE , SO IF THAT IS THE CASE TAKE THE WIRES HE HAS BUNDLED TO ONE PHASE OR ONE TERMINAL ON THE BREAKER AND THE OTHER TO THE OTHER TERMINAL OF THE BREAKER IN SOME CASES IT IS NECESSARY TO CONNECT THE WIRES WITH CONNECTOR, APPROVED TYPE AND THEN TO THE BREAKER TERMINAL ,THIS JUMPER SHOULD BE RATED THE RATEDING OF THE BREAKER YOU ARE INSTALLING ,GOOD LUCK

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