Having problems with your Air Conditioners ?

Air handler Is a 3 1/2 ton air handler too big for a 2 1/2 ton air conditioner? air conditioner FT3BA 030KA air handler B3BV 042k BB Also duct work in garage has a gap bringing in air from garage.


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Yes and that's dangerous as fumes and exhaust may enter the house

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Air handler Is a 3 1/2 ton air handler too big for a 2 1/2 ton air conditioner? air conditioner FT3BA 030KA air handler B3BV 042k BB Also duct work in garage has a gap bringing in air from garage.


Yes and that's dangerous as fumes and exhaust may enter the house ... Air Conditioners

There is a switch on my 1 1/2 ton Ruud furnace/Air handler that is not working properly. The unit would not turn on, even though the thermostat was working. I took the panel off of the air handler and found that a switch had been duct taped into the on position on the unit. Apparently, the tape had shifted and the switch was no longer in proper position. when i moved the switch, two green indicator lights lit up. When i turned the unit back on, the A/C worked. Clearly, there is a problem w


Helllo, this switch is called a door interlock switch. ... Air Conditioners

Have a R-22 Rudd ait handler. Replaced the compressor with a 1.5 ton Goodman unit. My home is 1300 SF in NJ On hot days during the peak of the day the system seems to stop working for a period. The Compressor fan still runs but the compressor is not. My air handler fits the cubby hole and I am limited for space, as I considered replacing it. A tech has suggested replaceing the TSV valve with an adjustable and set it to 8. He also said there are supplemental coils that could be added to the com


If your home is 1300 square feet 1.5 tons is not going to cut it you should have at least 2.5 ton A/C unit. sounds like your system is to small. let me know if this helps you out. ... Ruud UAKA037 Air Conditioner

Carrier Air Conditioner Infinity System - Air Handler Sweating & Duct Work Condensation


If its an infinity. check and make sure you have a proper charge and no air infiltration from attic. also check blower speed on your humidity control in the controller set up ... Air Conditioners

I have a 4-ton Frigidfaire air conditioning unit on my 2400 square foot home, but I am not receiving the cooling I should receive. My split system model is #: FT4BF-048K. My air handlers Model is #:B4VM-X48K-C. I suspect my problem may be duct size. What should be the sizes of supply and return ducts on this unit? Phone 941-776-9270.


Hi, the ducts are 18" round at the beginning and branch out to smaller sizes for other rooms. 10" for living areas, 8" for bedroom, down to 6" for bathrooms if they have them.If this unit was just installed, I would recommend getting the contractor o ... Frigidaire Air Conditioners

I have a 10 ton ac unit with a internal air handler. I am not getting any low voltage to the 24volt coil at air handler. I can manual pull in the coil two get it two work. I am getting 240 volts at the controls out for the compressor but not showing any low voltage comeing from there either????


Ok, it would appear that the 24v contactor voltage has faulted. you need to trace the wire right back to the Controller, & then on to transformer/power supply. You must work back, until you find, a point where the voltage IS present. I think you ... Air Conditioners

I have a 1999 Damon Challenger with one Coleman AC unit on top. The air is not flowing to the rear roof registers but it is to the front, there are no duct work restictions and the air is not cool. The unit also makes my generator surge up and down until it shuts down. I'm going crazy. Can anyone help. Thanks John from WV


... Dometic Rooftop RV Air Conditioner

Handler blows, compressor kicks on with fan, then stops with handler still blowing and fan still spinning. it also looks as though the fan is spnning in the wrong direction but I'm not sure. should fan be bringing air into the top or out of the top?


Air should be blowing out the top, if not, need to check wiring to fan ... Amana PTH123B35AJ Air Conditioner

I have an APAC ducted reverse cycle air conditioner Sundowner 11 which keeps shuddering intermitently at the outside unit. I have had a service technician look at it and he has replaced three contacters in the unit and checked the thermostat. He does not what the fault is. He has also by passed the pressure switches to see if this sorts out the problem. But this did not work. he has also checked the board in the unit as well.


Listen to see if the contactors make a clicking noise when the fan starts to studder. If not, then it's not the signal to the contactors. If a clicking sound of the contactors can be heard, then the problem is the contactor coil dropping in and out ... Air Conditioners

I have an air exchange system in my house. I also have a dehumidifie set up with it to remove the humidity in my house. I want to make sure he set up the system correctly. He has the fresh air going into the air exchange and it ducts out to a "T" duct. fresh air goes to the house and also goes to the dehumidifier. the dehumidified air goes to the air exchange to a "T" duct that is mixed with the stale air from the house and is connected to the air exchange that appears to go through the air ex


Hello. Reading your description of the air flow patterns, it appears that you have good reason to be questioning this installation. All of the dehumidified air should circulate through the house. I recommend that you contact the company that insta ... Air Conditioners

System pressure for puron read 280 and 135 for low side. System is not cooling at all. Suction line at air handler is not cold at all. System has had problems with leaks and customer has told me some techs have added refrigerant which I suspect has affected the mixture of the refrigerant. What should I do to bring thge system up to it normal capabilities. Also amps for compressor was 8 and is rated for 23 RLA


The system must be leak checked, refrigerant recovered, evacuated, a drier installed, and recharged to the correct subcooling, (I assume this is a carrier since you reference "puron")\015\012the low side pressure seems to be in line the high si ... Air Conditioners

I require technical information on a Email brand (already installed but not working) ducted airconditioner model DN153H and its thermostat, by Email Air also, R2589-04, ItemVD00312.


JUST CHECK WITH THE MANUFACTURER'S WEB SITE...THEY \015\012SHOULD HAVE ALL THE TECHNICAL INFORMATION FOR YOUR \015\012PARTICULAR UNIT.. ... Air Conditioners

Unit stopped working condenser & air handler -- breakers are OK .hmmessage P{margin:0px;padding:0px}body.hmmessage{font-size: 10pt;font-family:Verdana} RHSA HM3617JA 3 ton Vertical mount


Must be a transformer gone out.TRANSFORMER AND THERMOSTAT ... Air Conditioners

Ok so I have know replaced the control board air handler board today the unit also has a new transformer and a new blower motor and the heating elements test good not burned at all and it still continues to burn the 5amp fuse out worked for about 30mins now blows fuse out as soon as new one is inserted and breaker turned on....I'm lost and have no other ideas with all new parts this should not be happening, Can anyone Help!!!!!


... Carrier Bryant Control Board Air Handler HK61EA006

Rheem Air Handler will not run. This is a 2006 Rheem model RHLA-HM3617JA Air Handler. I replaced both the condenser and air handler circuit boards. I replaced the motor in the air handler.. The condenser works fine, the board flashes normal. The air handler board shows 0 volts on the X13Com brown lead,..28 Volts on the center, X13G green/black lead, 1 volt on the Bottom, Blue, X13SPD terminal. The 24VAC Terminal shows 27 volts. The 3 amp fuse is good. The transformer appears normal. I replaced


Have you hard wired your fan motor to verify that the motor and or the capacitor are good? If you do a continuity test of the motor leads(with electricity off of course) you can see if the motor has open or grounded windings. ... Ruud Handler Air Conditioner

Rheem Air Handler will not run. This is a 2006 Rheem model RHLA-HM3617JA Air Handler. I replaced both the condenser and air handler circuit boards. I replaced the motor in the air handler.. The condenser works fine, the board flashes normal. The air handler board shows 0 volts on the X13Com brown lead,..28 Volts on the center, X13G green/black lead, 1 volt on the Bottom, Blue, X13SPD terminal. The 24VAC Terminal shows 27 volts. The 3 amp fuse is good. The transformer appears normal. I replaced


We tried to bypass at the Tstat. Thanks for your time and interest. ... Air Conditioners

Hello, my HVAC is constantly freezing, even after freon is added. I was told that I have a leak in the coils and need to chance the air handler - the outside unit is about 10 years old - air handler about 18 years old. I would like to get only the air handler for my R22 outside condensing unit. My question is if in the future can I use this same 3.5 ton air handler with a new 410 condensing unit once my outside unit needs to be replaced. In other words can a Goodman air handler be used firs


I'm new at this and I can't tell how old the post is but I'll contribute anyway.You probably have fixed the problem by now. I wonder what part of the system is freezing up. I don't have a lot of experience but I know you can get frost where there ... Goodman CKL42AR42 Air Conditioner

Can Air Handler !1/2 ton run with 2 ton


Its done all the time. It is sometimes better to do this because you run a colder coil and rmoves more humidity. The newer unit have variable speed fan and run slower to do the same thing. Remember the lower the humidity the higher you can raise your ... Dometic Rooftop RV Air Conditioner

I have a Lennox CB29M Air Handler with an electric heater, which is used to heat the lower two rooms of my house. The handler unit is located in a mud room right behind the back patio. I'd like to get an air conditioner unit that can mount on the patio that can be hooked up to this air handler, so I can have air and heat in these two rooms. Are there units that are available that can work with this air handler? How hard is the install, and can you recommend anyone in the 19030 area that I can tr


Any of these Lennox dealers can help you choose a compatible HS29 or HP 29 condenser and evaporator coil to match your system.http://www.lennox.com/locate/default.asp ... Air Conditioners

I have a honeywell pro 2000 programmable thermostat which controls an enerzone ahc 31-18 series water source air handler with heating and cooling coils built in. This therostat and heater worked fine all winter. Last week i had a air conditioner stalled and connected to the air handler and the AC worked for one day. When i tried to turn on the AC yesterday, the fan would not come on for either AC or heat. any troubleshooting suggestions? thanks ... Donald


... Air Conditioners

I have a Jantrol heat pump & A/C. It is approximately 10 years old. For the last 3 summers the compressor unit will freeze when the air handler fans fails to come on. It worked fine for 2 weeks this year before it happened. I've be able to thaw it out and restart the unit and it works from days to weeks before this occurs again. The last time it happen, I had a problem getting the air handler fan to come back on, but it did eventually. I've been thinking it may be the sequencer, but now I'm wond


Hi,\015\012\015\012If you can safely check the supply to the motor when it should be on, then this is the best method to check it.\015\012\015\012Check the fan turns very freely - oil the bearings if it doesn't.\015\012 ... Goodman Air Conditioners

Mobil home duct work , A-frame leaking into duct work and onto electrical parts below the fan and also into the belley of the mobile home.


It's either freezing up due to indoor fan not running or running fast enough,dirty coil or filter,or low on refrigerant. It could also be a clogged up drain or cracked or rusted drain pan. ... Air Conditioners

There is a condensate build up in my Trane XP 100 Air handler located in my hot Florida garage. The unit sweats on the out side and inside water drips through the heating unit which now shows rust marks and onto the squirrel cage fan. Condensate water is then splahed onto the fiberglass insulated walls of th air handler. Mold is beginning to build up both on the inside walls and on the fan unit. The air handler performs fine. My home is kept cool, but I am concerned about this condensate and


This is complicated, as you know condensation can not be avoided when cold air comes in contact withhot humid air. Here is what I would try. You have to gain access to your evap coil. Which means tearing into the sheet metal cover. The updraft ... Air Conditioners

LOW VOLTAGE WIRING CONNECTIONS BETWEEN NORDYNE FT4BF-0-36KA 16 SEER 3 TON HEAT PUMP AND B4VMX36KBAH VAR 410A AIR HANDLER AND RITE TEMP 6036 THERMOSTAT. THE CONNECTIONS ON THE OUTSIDE UNIT ARE Y, R, O, C, W2IN, Y2, L, W2OUT. THE CONNECTIONS ON THE AIR HANDLER ARE Y1, W2, W1, O, Y/Y2, G, R, C. THE CONNECTIONS ON THE THERMOSTAT ARE C, B, O, W2, W1, Y1, Y2, RH, RC, G, A. ARE ANY OF THE TERMINALS ON EITHER THE AIR HANDLER OR THERMOSTAT JUMPERED TOGETHER AND IF SO WHICH ONES. I AWAIT YOUR RESP


... Air Conditioners

Installed goodman air handler, system has hot water coil in duct for heat, how should i wier the 6006, or 4006 control to turn the fan on, on the air handler? if the limit switch turns the fan on for heat, isn't it going to send 24 volts back up the green wire to the t-stat? old air handler ( york) had a fan center relay.


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