But, I’m not getting 24 volts coming out of the board which is not providing 24 volts to the contractor. Now we feel poor/weak airflow from most of the vents. You might look at Angie’s list in the reviews and see who other people liked in your area that do AC work. I have a problem with a furnace (located in a ceiling attic) that loses power when it gets very hot outside, say over 100 degrees. If you aren’t then you might have a control board problem. Most of the time the sequencers are used to energize heating elements and to start the blower motor, but not connected to the contactor in anyway. Saves time and effort of fishing a new cable if you. Even if the control board is bad you should still be getting 24 volts AC between R and C and you should be getting power to your thermostat. Sorry that I can not be of much help. Yes, this is true. I have a Day&Night 3 ton AC in a new home and this is its first season. Then this last time I was checking the furnace. I have had customers call me thinking their unit is on fire! Thanks J, Hi Justin! If it isn’t then you have a thermostat problem and if it is sending 24 volts to G then you might have a fan sequencer or relay problem. It is 26 years old. Will there be issues with my unit if I don’t change it? You will install it at your furnac…. We turn the unit off for HOURS and then it will work fine for a day or two and do it again. Steve. Steve. Flipping breakers doesn’t bring it back to life. The thermostat will go completely dark in the late afternoon and then light up again some time later in the evening when it cools off. If I leave the system on it just continues this cycle. I have a AC overhaul being done at my house today – not there so the repair guy relayed a message to my daughter. If you aren’t then you have a broken wire or a bad disconnect. I’m skeptical because it seems even if the outside unit could not run, why would that prevent the furnace & thermostat from receiving any power? If it is allowed to sit for 30+ minutes it seems to start fine, or if it is cooled with water before starting it will start. I can turn the unit off for a few seconds and then back on and sometimes the compressor will kick on right away and sometimes it wont. This overheating could be caused by a dirty filter, dirty blower wheel, slow blower motor (could be a weak capacitor) gas pressure set too high on the gas valve, improper setting on the thermostat anticipator (if equipped), over-sized furnace (too big for your home or ductwork) or a stopped up evaporator coil. I was then told by an inspector that it needs it to be 3″ not 2″ PVC. Since the unit is having trouble starting I would suggest that you make sure that the run capacitor for the compressor is in good shape and not weak. Otherwise, they have good reviews, but it sounds really weird and temporary to me. The old one was a 2 zone system with upstairs and downstairs being controlled individually. If you want me to look up parts please send your furnace’s model number and I will give you a parts list. Steve. I had someone out to service it the following day. Robert Veach's - Recommended Products Storefront. What could be the issue? It is obvious as you say that the thermostat is losing power. As you know, I bought the S1-33102956000 which has been updated to the S1-33103010000 control board for my York P2MP furnace. You or I would have to study the unit’s wiring skematic to get an idea of what the sequencers purposes are in your system. I remember I had trouble where I installed too small of pipe (2″) and I had to go back free of charge and replace the 2″ pipe with 3″. I hope you have a blessed day! The level of the water should no be higher than the center of the T otherwise the switch activates and shuts down your AC. Then wait for at least three more hours after the power has been restored before turning the thermostat back on. Steve. The fuse for my outdoor heat pump are R26 250V which I can’t find. Reviewed in the United States on November 24, 2018. Hopefully the fuse is blown on your control board and it did not burn the control board up. I installed the new capacitor and the compressor hard start booster I received. Where should the W wire connect to…the W1 on the control board? Please use a different way to share. I hope you can find an easy solution to the noise problem. Mine doesn't look a pretty as some of the pictures in this review chain, but it works like a charm. With summer here, I am experiencing a problem with the unit restarting after a cycle. If the blower motor does not start then you have a thermostat wire problem. I am very sorry for your time and trouble. If you have batteries in your thermostat make sure they are in good shape. Hi Jaron! I hope this answers your question. or is it just to energize the upper stack on the sequencer to supply power to the heating elements? Most of the time when an AC short cycles it is caused by an AC system that is sized too big for the home. Hi! Hi Shawn! Customer Questions We bought a house last August and the air conditioning was working fine, though the unit is about 10 years old. I would suggest that you have your heat pump unit tested to make sure it has the right amount of refrigerant. Steve Arnold, On a RUDD heatpump with the entire unit on the outside. See all 40 Amazon promo codes, coupons, discounts & free shipping codes that work for Feb 2021. I hope you get this worked out soon where you are treated fairly. The AC is a Lennox 5kw Elite Serier CB30M Air Handler with model number CB30M-21/26-4P, Hi Robert! It made no difference. I sure do appreciate your nice comments! Sorry, this can be time consuming. I would recommend looking at the flame sensor and ignitor and see how difficult it would be to replace it before ordering. Starting AC equipment is hard on the system because it jumps the amperage/electrical usage up each time when AC equipment starts. Where do you get wires gor this to furnace? We work hard to protect your security and privacy. THP9045A1023, Honeywell, Inc., Honeywell THX9000 save-a-wire module 5-wire to 4-wire. Some transformers have an in-line fuse in case of a short it does not burn all the low voltage controls up. My problem is that I set my AC on 78 degrees during the day (I live in Florida) and the unit runs all day long I mean all day and at night I set it to 76 and it takes 2-3. hours to get to 76 degrees. Yes, if you have high head pressure and low suction pressure then you probably either have a stopped up cap tube, bad TXV valve, dirty condensing unit or a slow condenser fan motor. Steve. It is very hard for the compressor to run without enough refrigerate because a low on charge system will allow the compressor to overheat, melt the compressor motor windings and burn the compressor up over time. You'll want this module, then. The indoor blower fan stopped working. Also, the passage through the wall behind the thermostat was going to be difficult due to ductwork that limited my access. A weak capacitor will cause a motor to not run. There is no hole next to the vent screw on the replacement and I couldn’t find any hole to screw the adapter into for the flex hose. Hi Ms. Weaver! i don't understand where does this device go. I hope that your furnace was installed according to manufacturer’s recommendations. If it doesn’t then you are low on charge and need to get a technician to find the leak and charge it up as quickly as possible. Sorry you are having air conditioning problems after getting two new systems! Thanks Steve. Steve, I have an electric AC and propane heater combo why does my AC come on and off all the time like it’s trying to run propane. Everything seemed to be worked fine but a few minutes later the air flow slowed down and it was blowing cool air. Note: The Fan on / auto switch does not work on the Honeywell Thermostat Controller. Some of the filters will cut your air flow down lots. Can I stop hvac…, Hi! Steve. You can check that by pulling the top of the switch out of the T fit ting. I think it’s a high voltage fuse? You should be able to attach the thermostat wires together R, G and Y. Or if I remove he thermostat the unit stop. My a/c is not blowing cold air, it is blowing room temperature air (so not hot), but definitely not cooling down the house. have 4 wires in the the…, A: Steve. Only messes up during the day when its hot and sunny outside. Please make sure the motor capacitor is the right size and is in good shape. Thankfully, no fire. My A/C unit is a year old. If the thermostat isn’t getting 24 volts after the 3 minutes then you might try adjusting the anticipator if equipped. In unserer Zoohandlung mit mehr als 26.000 Artikeln finden Sie eine große Auswahl in den Bereichen für Hunde, Katzen, Kleintiere, Nagetiere, Fische, Vögel, Reptilien, Pferde bis hin zu Artikeln für Nutztiere und alles rund um den Bauernhof. So here we go. Usually after the ice is melted (3 to 10 minutes) the heat pump will start back up and sound normal. Cheaper than hiring a person to run a C-Wire. Unit is a Goodman with AC / HP. However, I have concerns over all of the components of the entire HVAC unit. 630 PSI is way too high! Steve. Overall, very unpredictable (not cooling well when outside temp goes up). If the motor is pretty hot you might have a blower motor problem (might need a new motor) or the motor might need a new run capacitor. Sorry to hear that you are having this problem with fitting the air handler into your attic. I guess my next step would be to disconnect all thermostat wires from the board and do a continuity check. I think this may have "weakened" something on the board. Every person (all professionals) told me “Your problem is a direct result of their install. The problem now is that the burners are not glowing before the gas kicks in and the blower engages, so I get no heat. Reviewed in the United States on September 17, 2017. (Carrier 25HBA / R-410A) …Greatly appreciate your help! However, many older HVAC systems (including some with programmable thermostats) used only four wires. We have processed over 25,000 Successful PayPal Orders! This could also be caused by a filter that is too restrictive. Compressor getting tight. Very disappointing. Would this work with the Lyric Thermostat? I had added a smart thermostat (Honeywell T5) that needed a common wire. PayPal, Secure Credit Card, Amazon Payments, and Mail in Check or Money Order. Steve. So the thermostat is working ok. Is the fan always supposed to run when the motor is running? The blower motor should start. We are sorry. Thank you for any help! Please try your search again later. Most of the time shorts in thermostat wires occur near the outside unit where the wires are exposed to sun and animals that can chew through the wires. Hi Mr. Clay! I hope you can easily find and fix the problem. Test between the G and C (com) terminals you should have 24 to 28 volts AC between these two terminals. Rc Jumpered to Rh Hi Paul! The only way that I would know to tell what the problem is would be to test the different connections and terminals when the problem occurs. Hier finden Sie Tierbedarf, Tierfutter und Zubehör für nahezu jedes Haustier. Put the unit back together and ran fine for 10 minutes then blew the fuse. You either have a stuck relay on the control board, a thermostat problem, thermostat wire problem or a limit that is open. Best Smart Thermostats - Nest vs Ecobee4 vs Honeywell! Weak run capacitors can cause motors to run hot and stop running when they go off on thermal over-load. A: and the coil can then be squeezed together some to make it fit through the attic access. Please make sure the capacitor on your blower motor is in good shape. Sorry I have had it 10 years. The wire shielding on these wires had worn away (Heat?/Vibration? We have a troubleshooting flow chart that I hope will help you out on the following page: https://arnoldservice.com/furnace-trouble-shooting-flow-chart/ I hope you can easily find and fix the problem. This sounds like your compressor is probably over-heating and going off on internal thermal over-load protection. We have one of the Best in Website Security with a Norton Symantec Secured Website and Shopping Cart! I know exactly what you are talking about on the warning not to turn your air conditioner on for 3 hours after the power has been off for more than 3 hours. I suddenly heard it running loud tonight. I was told that my outside AC unit and the Coil in my attic needed to be replaced. I will get 27volts when testing the following with the probes: R and G, R and O, R and Y. Even with that the volt reads 27,28. Steve Arnold, https://arnoldservice.com, Managed by Wooassist - Woocommerce Support www.wooassist.com. Reviewed in the United States on January 24, 2019. On many furnaces the transformer is connected directly to the C (com) and R terminals on the control board. Hi! Steve. I got a Carrier HVAC outside unit that keep burning the contactor It was working fine then, start switching off and on. Jan, Hi Jan! Sure enough, he got it working again after 20 years of service! I would suggest that you use a volt meter and test with the thermostat set to call for cooling between the C (com) and Y (yellow) connections on your thermostat. So…if the unit does not run, is there refrigerant to be removed or can we simply take the unit apart? Hello. Steve. Sometimes it is easier just to replace the thermostat wires. I would deeply and sincerely appreciate any guidance you can offer. This module was easy to hook up and it solved the problem. It has started short cycling. Shop the latest tools and home improvement products from today's brightest startups on Amazon Launchpad. If you want to send me the unit’s product number I will try and look up the part number for the relay. Please send me your furnace’s product number if you would like for me to look up parts. I am sure that when you figure out what they did with the wiring that you will like the Sensi thermostat as well. I hope you have a nice day! It isn’t every 15 minutes. Therefore, what else could have been compromised on the unit and could there be other integrity issues to consider on my 11 year old HVAC unit. Hi Robert! Thanks so much for the great question! This wiring module connects to "K" terminal on Honeywell Prestige thermostats and separates into "Y" and "G" signals at furnace or air handler equipment. Our Carrier parts program shows a compressor part number SRD480HC scroll compressor. Steve. works perfect during the night or on a cloudy or cool day. Regan, Hi Regan! Hope this helps….I like your website – it has a lot of useful, helpful information; and I plan to order some more parts from you in the future…I think I am going to replace parts before they break…novel idea! Is there something I might check without having HVAC exp.? The coating of residue on the thermal-couple bulb was keeping it from putting out the required micro-volts to keep the main valve open . If this is an older unit more than 10 years old it should use R22. Yes, you are correct, in order to get the cool refrigerant gas coming back to the compressor from and evaporator on the 2nd floor, they might of had to over-charge the unit thus making the compressor have a hard time starting. can I use this with Honeywell RTH9580 to turn 5 wire into 6 wire? I have a question. The maintenance people may have wanted you to run the AC all the time (blower all the time) if you have a low refrigerant problem or a low air flow problem to keep the in door evaporator coil from freezing up. hey I have a ruud heat pump with auxiliary heat strips. rating of your outdoor unit. I had a contactor come out and they said they are unable to widen the access door because it would require cutting one of the trusts that are holding up my roof. Fantastic product when you need a 5th wire. The new digital thermostats do not have an anticipator setting but have batteries. What can I do to ensure the unit stop burning the contactors. Steve. A good cleaning once a year might save someone a few bucks and it might be a solution to some of those dual fuel heat-pumps not lighting or staying lit .. Please click here to see the capacitors we sell. There was a problem completing your request. I hope you can easily find the problem and get it fixed. Thank you so very much for your kind words! Once he found a blown fuse, the last time this happened the fuse was good and he could not find the problem, do you have any suggestions what could cause this, thank you in advance? I would suggest testing with a meter and go through the AC troubleshooting flow chart that we have on the following page: https://arnoldserv.wpengine.com/air-conditioner-troubleshooting-flow-chart/ I would start with setting the AC to cool and turn the thermostat down so it should be cooling. I just need to be pointed in the right direction. What might be the problem? About 10 minutes later, I heard the unit come back on! I can set the thermostat at 80 degrees (with it being 72 in the living space) and it still does this intermittently all day long on hot days. I will try to make a recommendation if you think the motor bearings are going out. Find answers in product info, Q&As, reviews. If you AC is not starting or running slow this could be caused by a low voltage drop across the contactor, generator or power cord that is connected to your home to power your RV. they look at other spaces in the attic but determined that there was no other spot that they would be able to cut open a hole large enough to get it in the attic. I looked at the thermostat (red wire) and verified I only have <4 volts coming to it. I hope you have a nice day and weekend!
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