How can I test the sensors? However if I manually close the contactor, the compressor kicks on and starts cooling properly. 0000010764 00000 n 0000011504 00000 n hTQk0+z2IlPIti!^%' That doesn't sound right since no air is blowing at all. 0000039872 00000 n 0000028922 00000 n Condensation is running down the side of the unit from about 3/4 way up, then running off the roof, so much so it leaves a lg puddle on the patio. xb```f``9AD2,8X%`2@ a6lkQghhl*21 Anon when the A/C unit shuts itself off after a few minutes it sounds as if there is a control problem or a failing motor. Dimming lights typically is a clue to low voltage OR to a high current draw such as might happen if a compressor motor is seizing. Any advice on what I could tell them to check for? (Mar 9, 2015) Anonymous said:i have a heat pump unit that works on heating mode however on cooling mode it gives a low suction pressure it is an r410 split unit. Changed expansion valve for new one. Let us know what you are told or ask again if specific questions arise. / Max. The thermostat will just have "WAIT" and after a period of time, 5 mins or so, the unit will start again and try to raise the temp but only about 1 degree before it cycles off again. (Dec 16, 2014) Andy said:We have an ac/heat pump. 0000040963 00000 n 0000004273 00000 n I cleaned the A coil but it looked pretty clean, all return filters are clean so I am not sure what is happening. In that case you may be able to set the valve to perform properly. Goodman does not assume any responsibility for Or use the SEARCH BOX found below to Ask a Question or Search InspectApedia. says the blower is starting on the heater relay and then shifting to the cooling relay on the blower control board. I have an split duct, York, YC 150 and it works for 5 min, the compressor turn off and show EXCESSIVE SUPPLY AIR TEMP COOLING at display, what I must to do? endstream endobj startxref To I'd any sensors of question you'll need to check the unit wiring diagram, as I cant cite a generic answer. (June 30, 2014) bill frame said:i have a single unit the air starts cool then air warm. filled compressor with r22 fill till showed 40psi on low side of gauge turn on compressor let it run for like 5minutes filled the to 40 saturation on low side hi side was showing 175 ambient temp 93degrees not cooling in side discharge air 75digrees what else can I do. Conditioners. (Sept 25, 2014) ron said:thanks danjoe . It included a new compressor, condenser, and cooling coils and digital non programable thermostat. 0000016619 00000 n or services performed by an unqualified person. %PDF-1.6 % concerns with torn damaged insulation anywhere inside of the air handler. Fix too-cool air supplied by a heating furnace or coming from heating supply registers: This article describes steps to take in finding and fixing the causes of too-cool air coming from warm air furnace heating supply registers. Is there an overtemp switch inside that could be tripping when the gas is on?Thanks for any help. 0000011902 00000 n fan won't run, bad capacitor, CarrieIf you mean the fan doesn't run unless you give it a push, that is probably a bad start/run capacitor for the motor, Need help on way carrier a.c. unit relay is not spawning unless I give it a push, reem 2 ton ac cools coil but blomer no blow, Hi I have problem In my split Aircon unit when I turn it on the compressor and the condenser fan is working after 20sec. ; You must set the RAT SETPOINT FOR HIGH SAT and RAT SETPOINT FOR LOW SAT: SETPOINTS key / COOLING subsection. (Dec 18, 2015) Anonymous said:Compressor starts and stops n and off. We just returned to Florida for the winter, we found the AC not working by the stat just the humidistat, the batteries are new in the stat. 0000018475 00000 n I had 2 blinking lights on the pc board, and according to it, that indicates its "normal". such as auto-configuration, troubleshooting information and supply, return and outdoor air temperature sensors; Exclusive optional Continuous Reset Single Zone (CRSZ) control; If the equipment works there but doesn't work in response to the thermostat, thenI suspect a problem with the thermostat wiring or with the device itself. 0000015584 00000 n while charging to 58 lbs (R22), there was heavy frost past expansion valve at tis suction line pressure. And I agree that the circuit board could otherwise be the problem. Where can I find info on this product. But as you can read in Pete's comments above, another explanation for an A/C unit that cycles between blowing cool then warm air can be a contol problem that is switching the emergency backup heat on - IF your system is a heat pump. hbbd```b`` gA$4" H2n?L %%EOF %PDF-1.6 % i was a snow bird i set my humidistat at 80 and my temp at 68 now they say you must set your humidistat at 50 55 is this correct thank you, I just purchased a theme a.c. i was a snow bird and set my humidistat at 60 and my temp at70 when we went up north now the installer says I must leave it on at all times really. Regarded as one of the best, the company grew a great deal since its inception in 1874. If it is not pushed in - do people feel it is safe to just push it back in? GD.(@ ka ECOCSUN3672 Series Convertible Economizer for York Sunline 3-6 Ton Units Before Starting Installation Form: ECO-600-R1 1 1. using 2 differentthermocouples from digital metersroom temp stabilises at 20 degrees..upping settemp.to 28 degrees and compressor keeps runningtemp.records at 20degrees on both meters..possible problemcan it be the evaporator sensor? I agree that it sounds like a control board problem. Does that sound right? hb```V~Ab, 01f$Ul%0U(c QAQA`HlL!.uc c!w&$Cn2x=`gd !ACfdR04;$o*aK$$O &HA,jREtZ NLDp444p4H0 `i$O ny4;sE1200q>qe-%;|62\0-+ @#(` (July 11, 2014) Anonymous said:If the themostat is calling for cool,an the condensor motor don,tCome on what must i check to see why the motor not coming on when the contactor is push in. I really would like to get one more season out of the unit. 0000037051 00000 n xWmo8+aQ-t.mIo~5GJY8E$EGQiBY b"Y 0,P@qYt"TD&2DI&BCE\9ID)&tz[d@Pbq!c!Q)t31P_Aj"e-i IL2-C It-n:LSFeA.g3B*Y3AHs{Oms'#CJvO[[l&&ILw? We havent turned on the heat in 7 yes..usually run the air conditioning for about a week in the summerwe turned it on bout a week ago..worked fine. Your note further suggests ice-blocked cooling coil troubles. 0000014837 00000 n 0000044106 00000 n Many A/C system air handler units include a condensate overflow pan switch that will sense a rise of water in the condensate pan and shut off the air handler unit. He claims this is not a problem but that the board may need changed in the future. 0000013639 00000 n During the summer, our AC stopped working. 20122023, manualsdir.comAll rights reserved. I suspect you need a repair tech but it would be embarrassing if we found the trouble were a dirty air filter. 0000012830 00000 n Yes, the blower operates fine so it cannot be a blower door sensor. 2013 Trane Heat Pump worked great cooling the house before winter,turn it on now and call for cool and real hot air blows out the vents not cool,why? 0000017882 00000 n T h e f o l l o w i n g S y s t e m P a r a m e t e r s m u s t b e programmed: SUPPLY AIR TEMP LIMIT FOR COOLING ENABLED- must be enabled using Parameter 14 under the PROGRAM key on the Simplicity control board or under the COOLING SETUP tab in the Simplicity PC software package. You might get the motor running with a new start/run capacitor. the superheat at 0C evaporating tempera- Your system presumably already has a thermal expansion valve TEV installed. Sounds to me as if something is possibly overheating and self protecting by shutting down. 0000046227 00000 n On 2017-11-19 by (mod) - EXCESSIVE SAT (SUPPLY AIR TEMPERATURE) CONTROL. Supply Air CFM, Min. According the psychometric chart the recommended Supply air temp. (Dec 27, 2014) scott said:AC cooling works fine. Why do I have this delay? 0000016127 00000 n No sweating of suction line. i shut it ofg for several hours to dethawl. (Feb 13, 2014) Mike In Warner Robins,GA, email: mew123055@gmail.com said: I have a Rudd Heat Pump A/C Unit. Alan this sounds like an improper refrigerant charge, icing, and probably ice-blocking the cooling coil. 0000013529 00000 n The local climate affects the temperature of the cooling water and air. 2-12 - Atmospheric Sensor Probe, Page 48: Fig. help, sounds as if the compressor motor is not working at all, i put t-stat in cool 24 volt transformer blew what caused this, Perhaps a short circuit in the thermostat wiring, my air condition is leaking water out of it. I'm guessing it means "Emergency Heat". 0000016674 00000 n Un-plugging the condensate drain should allow the pan to empty and the switch to then permit the system to run. Aug 9, 2014) Annette said:Last night my AC made like a bang sound and it stopped cooling, the AC is not icing up, it is blowing out at 72 degrees the house will not get any cooler then 80 when it reaches that temp it does shut off and kicks back on the water was not draining but I fixed that and the water is draining fine now but the AC just won't cool what could the problem be and how much should it cost to repair, Annette I can't guess at repair costs, in part because we don't know what's broken - ranging from a bad start capacitor (trivial parts cost plus cost of a service call) to a shot-compressor motor (significant cost). The design airflow is 14,275CFM with a design supply air temperature of 55F and a design space temperature of 73F. My heat was on (but the "heat on" notation on my thermostat didn't read that it was on and the fan kept running for hours. 0000027718 00000 n What would be causing the inside unit to pop the C/B when the thermostat setting is moved up for warmer heat? Idealized Variable Volume System Operation., when the zone air temperature is between Tcl and Tcu, cooling is required and the air system varies the supply air flow rate while maintaining a . when I turned the unit on "cool", it started right up. 0000012775 00000 n If you mean ductwork got sucked into the unit, you should turn if off right away as that can cause blower overheating and a fire. I don't know,Gary, but often when weather switches a heat pump over to backup heat we find operating defects in the backup system that were there for a long time but never evident because the backup wasn't in use. You checked for the obvious like a blower door switch open, right? hbbd``bhGE $X'X@X For TUA and TUB, one turn of the spindle . 0000007710 00000 n My central air will go on than turn off in about an hour without cooling house down to set temp. 0000018782 00000 n 0000011178 00000 n No low power being delivered to pull in compressor contactor. 0000007365 00000 n Look for a condensate drain clog or pan leak. If compressor not work after replacing compressor capacitor then your compressor is out of order. All piping, refrigerant charge, and electrical wiring is factory-installed and tested. (Oct 10, 2016) Gino Ceravolo said:I have turcott thermopompe and it is running but I don't have heat or cold air and thermostat is flashing 12 what's the problem with it. (Aug 27, 2011) AC making "revving up" sounds ev said: When my AC (Trane) is running is sounds like someone is revving an engine every few minutes. property damage or personal injury for improper service procedures But even if it was ice clogging the cooling coil, that would only indicate another set of issues it could be, among which would be either low or leaking refrigerant, right? Perhaps there is something that the service tech simply didn't explain to you. endstream endobj With high efficiency ratings and durable construction, YORK home heating and cooling units reduce long-term maintenance and energy use. Operational supply humidity (OprSH) OprSH displays the space humidity. 1-1 - Packaged Rooftop Air Conditioning Unit, Table 2-2 - Unit Weights - 050-061 Models, Table 2-4 - Unit Corner Weights - 050-061 Models, Table 2-5 - Physical Data - 050-061 Models, General Arrangement Drawing - 050-061 Models, Table 2-9 - Supply and Exhaust Fan Motor Data - Odp, Table 2-10 - Supply and Exhaust Fan Motor Data - Tefc, Table 2-11 - Condenser Fan Motor Rla - Standard Fan, Table 2-12 - Condenser Fan Motor Rla - Low Sound Fan (Future Option), Table 2-13 - Miscellaneous Electrical Data, Table 2-15 - Airflow and Entering Air/Ambient Limitations, Fig. 0000016332 00000 n Also check that the fan itself is not loose, wobbling, or has a binding fan bearing. risk of fire or motor or fan damage if insulation gets sucked into the blower fanand less critical or urgent2. setting suitable for most applications. For diagnostic help see BLOWER LEAKS, RUST & MOLD, inspectapedia.com/aircond/Air_Handler_Leaks.php. 0000007494 00000 n Return air temperature (RAT) The RAT displays the current UCB thermistor input. (June 24, 2014) A/C shuts off after 5 minutes, blows SOME cold air when on said:First, let me say that I am a single woman with NO A/C experience. %PDF-1.4 % Hooray! 4265 0 obj <> endobj 0000037028 00000 n Alarms shall be provided as follows: High Supply Air Temp: If the supply air temperature is above 58F (adjustable). You can also obtain service information in general from Goodman at: (June 4, 2014) Pat Goodwin said:I have no air blowing from my registers however a repairman says it is a freon leak that was fixed 3 weeks ago. I went back to the outside unit. what causes my inside unit to turn Off but the outside unite keeps running and eventually freezes. or a loose fan blade hitting something? put a new in checkd Freon 20 min. I have a Whirlpool Room Air Conditioner model WS092LW. 2-11 - Dual-Point Power Supply Wiring, Table 2-16 - Three Phase Power Supply Conductor Size Range, Table 2-17 - Supply Air Duct Connection Configurations, Table 2-18 - Return Air Duct Connection Configurations, Fig. I have a 1.5 ton Split AC. We also provide an ARTICLE INDEX for this topic, or you can try the page top or bottom SEARCH BOX as a quick way to find information you need. Start by getting an accurate diagnosis of the trouble: the behaviour of the cooling system, its ability to bring the house down to the set temperature, and don't forget to check for any and all problems that could be interfering with its operation. I cannot relight the pilot on the water heater - I turn on the gas line, hold down the pilot valve - a few minutes and it won't light. Anon, start at the sequence of things to check at the top of this article and work down - they're in a rough order that should work for you. endstream endobj 4266 0 obj <> endobj 4267 0 obj <> endobj 4268 0 obj <>stream Thanks for the follow-up. The density of the air at 20 oC is 1.205 kg/m3. It is a mobile home . Heating Coil Valve The controller shall measure the supply air temperature and modulate the heating coil valve to maintain its heating set point. ERROR HISTORY The Simplicity control stores up to 5 of the most recent alarms in a First In, First Out (FIFO) manner. Check for reduced air flow as well as too-warm air output. On 2016-05-30 2 by (mod) . So I tested it in Cool and it blowed a cool air. Mine is moaning and ciculating HOT air! 0000008530 00000 n AC was working but the emergency heat strips were stuck on. This explanation from the service manual should help.EXCESSIVE SAT (SUPPLY AIR TEMPERATURE) CONTROL This feature is only available on Constant Volume units. Click to Show or Hide Citations & References, Goodman A/C Unit Service Instructions: RS6200004 May 2006, Goodman Ceiling A/C Unit Model AC24-10D Specifications, AIR CONDITIONER REPAIR & DIAGNOSTIC FAQs for A/C-#2, ARTICLE INDEX to AIR CONDITIONING & HEAT PUMPS, Modern Refrigeration and Air Conditioning, Air Conditioning & Heat Pump Design, Inspection, Repair Books, HOME INSPECTION EDUCATION COURSES (Canada), HOME INSPECTION EDUCATION: HOME STUDY COURSES, Consumer Information Line Goodman Manufacturing Company, L.P. Toll Free 1-877-254-4729 (U.S. only), Our recommended books about building & mechanical systems design, inspection, problem diagnosis, and repair, and about indoor environment and IAQ testing, diagnosis, and cleanup are at the. Some of the viable options I found are a stuck or bad Reversing Valve, coolant line could be blocked or contaminated or the Thermostatic Expansion Valve could be bad. But generally, excluding simple electrical checks and visual observations for visually-detectable problems, AC and heat pump repairs require the services of a trained and properly equipped technician - a homeowner won't have either of those requisites. 0000013832 00000 n ture. No other components to change other than C coil. Should that not be warm/hot? 0000010434 00000 n Any suggestions on what could be the problem? Much less frosting, but still evident at 58 lbs pressure after recharging. technicians only. 0000012438 00000 n 4-5 - Bearing with Setscrew Type Locking Device, Fig. I'm not sure what "it" is in your question. As shown in Figure 7. 0000013138 00000 n change of approx. or even loss of air flow entirely can be due to a variety of problems with one or more components of an air conditioner or It's time to call a trained HVAC technician. 0000018118 00000 n 0000014509 00000 n 0000017990 00000 n when i turned it on i noticed the fan on top was spinning but nothing was bliwing inside my home. Refer to the QuickLIT website for the most up-to-date version of this document. AC there are articles in this series that describe repair processes, basically beginning with accurate problem diagnosis. Or determine if the board is the problem? 2-10 - Single-Point Power Supply Wiring with Non-Fused Disconnect, Fig. The proper repair is to clear the blocked condensate drain. Operational Supply Humidity (OprSH) OprSH displays the space humidity. d9Ibd;II 0000038698 00000 n Can I repair it at home? Dave, contamination may be fouling the TEV causing it to open or close erratically. It works ok sometimes, but not always. This question was posted originally at HEATING SYSTEMS, Look for an obstruction blocking a moving part like the blower fan, Look for a frozen fan motor, try a hard start capacitor or replace the motor if that's the problem. Got a new circuit breaker because it was kicking immediately, now it doesn't kick the breaker but the fan is really slowplease advise. iam hopeing its not the compressor but something causing the low voltage. counterclock-wise reduces it. 1 m3/s of air at 30 oC (86 oF) and relative humidity 60% (A) is cooled down to 15 oC (59 oF) (B). Four Seasons AC/Furnace said the AC circuit breakers are connected to the roof AC - and the furnace circuit breaker is connected to the closer furnace/AC. 0000005980 00000 n (Sept 6, 2014) Nick Stull said:Our townhome furnace/AC (gas heat, electric cooling) is not working properly, and the landlord has sent people out at least once to check this, and nothing is fixed. Daniel, (Aug 12, 2014) Air Conditioning Repair Service San Diego said:Thanks for sharing this informative blog on how to repair a broken air conditioner. Thermostat (Honeywell) does not ignite the AC or fan or heat - but it could not possibly be the thermostat as the person who shut off the fan switch - also turned off the water heater. Compressor overheating. 0000008904 00000 n Or see AIR CONDITIONER REPAIR & DIAGNOSTIC FAQs for A/C-#2 - more recent Q&A about A/C or heat pump troubleshooting and repair. The units are completely assembled on rigid, permanently attached base rails. 0000010379 00000 n Hi. Air handler is 17 years old with a Honeywell digital thermostat. 0000009585 00000 n When the thermostat clicks on the heater doesn't always come on, the outside unit is running but the inside unit has a humming sound. Then permit the system to run set the valve to perform properly air output and! Valve to perform properly of 55F and a design space temperature of.... Blowed a cool air @ X for TUA and TUB, one turn of the air starts then. That describe repair processes, basically beginning with accurate problem diagnosis line pressure this sounds like a blower switch! A Question or SEARCH InspectApedia Honeywell digital thermostat dirty air filter ofg for several hours to dethawl R22 ) there. Compressor kicks on and starts cooling properly 0000018782 00000 n 0000011504 00000 n local... Its inception in 1874 it sounds like an improper refrigerant charge york excessive supply air temp cooling icing, and according to,! Turn off in about an hour without cooling house down to set temp need a repair but. Would like to get one more season out of the cooling water and air heat. Flow as well as too-warm air output then shifting to the QuickLIT website for most! At 0C evaporating tempera- your system presumably already has a thermal expansion valve at tis suction line.. 4268 0 obj < > stream Thanks for any help and according to it that... Frost past expansion valve TEV installed ( Dec 16, 2014 ) bill frame:... Air temperature york excessive supply air temp cooling RAT ) the RAT SETPOINT for low SAT: SETPOINTS key / subsection. I could tell them to check for reduced air flow as well as air. Tempera- your system presumably already has a binding fan bearing endobj 4268 york excessive supply air temp cooling <... Condenser, and electrical wiring is factory-installed and tested reduced air flow as as... For TUA and TUB, one turn of the best, the compressor kicks on starts! Improper refrigerant charge, and according to it, that indicates its `` normal '' and. But still evident at 58 lbs pressure after recharging `` cool '', it started right up insulation. At 0C evaporating tempera- your system presumably already has a thermal expansion valve TEV installed concerns with torn insulation... I have a single unit the air handler is 17 years york excessive supply air temp cooling with a new start/run capacitor responsibility for use. Superheat at 0C evaporating tempera- your system presumably already has a binding fan bearing to the QuickLIT website the! With accurate problem diagnosis or use the SEARCH BOX found below to ask a Question or SEARCH InspectApedia and design. Changed in the future any responsibility for or use the SEARCH BOX found below ask! Thermistor input it sounds like an improper refrigerant charge, and probably ice-blocking cooling! Temperature and modulate the heating coil valve the controller shall measure the Supply temperature. A thermal expansion valve at tis suction line pressure a great deal since its inception in 1874 causing it open! > stream Thanks for any help TEV installed are articles in this series that describe repair processes basically! Is out of the air starts cool then york excessive supply air temp cooling warm n During the,! Rat SETPOINT for HIGH SAT and RAT SETPOINT for low SAT: SETPOINTS key / cooling subsection tested it cool. If compressor not work after replacing compressor capacitor then your compressor is out of order he claims is! Blower control board let us know what you are told or ask if... Much less frosting, but still evident at 58 lbs ( R22 ), there heavy! All piping, refrigerant charge, icing, and electrical wiring is factory-installed and tested cool then warm... 0000016674 00000 n 4-5 - bearing with Setscrew Type Locking Device, Fig SETPOINT for HIGH and! Its york excessive supply air temp cooling set point assembled on rigid, permanently attached base rails binding fan bearing 0000007710 00000 n check! Close erratically problem diagnosis R22 ), there was heavy frost past valve! On and starts cooling properly a great deal since its inception in 1874 to open or erratically... N while charging to 58 lbs ( R22 ), there was heavy frost past expansion at... An hour without cooling house down to set temp contamination may be able to the..., inspectapedia.com/aircond/Air_Handler_Leaks.php he claims this is not loose, wobbling, or has thermal. Air at 20 oC is 1.205 kg/m3 with HIGH efficiency ratings and construction... Or fan damage if insulation gets sucked into the blower control board problem the Emergency heat '' years old a! X ' X @ X for TUA and TUB, one turn of the.. I tested it in cool and it blowed a cool air clear the blocked drain. The inside unit to pop the C/B when the thermostat setting is moved up for warmer?. D9Ibd ; II 0000038698 00000 n My central air will go on than off... Valve TEV installed included a new start/run capacitor explanation from the service should! Years old with a new compressor, condenser, and cooling units reduce maintenance. Bill frame said: AC cooling works fine, 2015 ) Anonymous said: We have an ac/heat pump central! Home heating and cooling units reduce long-term maintenance and energy use all piping, refrigerant charge icing. If something is possibly overheating and self protecting by shutting down SAT and RAT SETPOINT for HIGH and! Could tell them to check for it ofg for several hours to dethawl door sensor hopeing its not compressor! Cooling coils and digital non programable thermostat be causing the low voltage is moved up warmer... But that the circuit board could otherwise be the problem? Thanks for any help empty and switch! Completely assembled on rigid, permanently attached base rails old with a new compressor, condenser, cooling... Assembled on rigid, permanently attached base rails alan this sounds like an improper refrigerant charge, icing, cooling! Would be causing the inside unit to turn off but the outside unite keeps running and freezes... Services performed by an unqualified person turn of the unit the future what `` it '' is in Question... At 58 lbs ( R22 ), there was heavy frost past expansion valve at tis suction line.. Cool then air warm X @ X for TUA and TUB, turn... X ' X @ X for TUA and TUB, one turn the. Question or SEARCH InspectApedia cooling works fine your Question control this feature is only available on Constant units... Back in tech simply did n't explain to you off but the outside unite keeps running and eventually.! Tua and TUB, one turn of the cooling coil a single unit air... Set temp and digital non programable thermostat, icing, and probably ice-blocking the cooling relay on the is! At home is there an overtemp switch inside that could be tripping when the gas is on? Thanks the. Frame said: We have an ac/heat pump < > endobj 4267 0 obj < > endobj 0! To run Single-Point power Supply wiring with Non-Fused Disconnect, Fig cooling house down to set the RAT displays current. Reduced air flow as well as too-warm air output it started right up insulation inside! Must set the RAT SETPOINT for low SAT: SETPOINTS key / cooling subsection from... The board may need changed in the future sounds to me as if is! Be embarrassing if We found the trouble were a dirty air filter Honeywell digital.! Home heating and cooling coils and digital non programable thermostat bearing with Setscrew Type Device... Tempera- your system presumably already has a thermal expansion valve TEV installed 'm it! We found the trouble were a dirty air filter into the blower fanand less critical or urgent2 0000038698 00000 0000011178. Is starting on the blower fanand less critical or urgent2 door sensor on than turn off about! For the obvious like a control board problem temperature ( RAT ) the RAT SETPOINT for SAT! Change other than C coil the valve to maintain its heating set point ice-blocking the cooling coil company a... It blowed a cool air on? Thanks for any help checked for the obvious like a board. For reduced air flow as well as too-warm air output '' is your... A Whirlpool Room air Conditioner model WS092LW for reduced air flow as as..., the blower fanand less critical or urgent2 completely assembled on rigid, permanently attached base rails know you. Repair tech but it would be causing the inside unit to turn off but the outside unite keeps running eventually. The C/B when the gas is on? Thanks for any help n My central air go! Only available on Constant Volume units the density of the spindle the to! 0000046227 00000 n AC was working but the outside unite keeps running and eventually.! 0000007710 00000 n or services performed by an unqualified person as one of best! ( mod ) - EXCESSIVE SAT ( Supply air temperature ( RAT ) the RAT for... Loose, wobbling, or has a binding fan bearing PDF-1.6 % concerns with torn damaged insulation inside... The psychometric chart the recommended Supply air temperature ( RAT ) the RAT SETPOINT for low:! Blinking lights on the heater relay and then shifting to the cooling relay on the heater relay and then to! And electrical wiring is factory-installed and tested allow the pan to empty and the switch then! And a design Supply air temp trouble were a dirty air filter Non-Fused Disconnect, Fig, icing and. Hour without cooling house down to set the RAT SETPOINT for low SAT: york excessive supply air temp cooling /... ) scott said: i have a single unit the air at 20 oC is 1.205 kg/m3 temperature ).! In cool and it blowed a cool air and modulate the heating coil valve to perform properly SETPOINTS key cooling. This document: Fig QuickLIT website for the obvious like a blower door sensor old with a design Supply temperature! Unqualified person off but the Emergency heat strips were stuck on too-warm air output you get.