Andy it sounds as if the normal condensate handling system of your unit is not working, perhaps due to a clog or a rust perforation. 0000007655 00000 n 0000011756 00000 n This would help a lot.x. In that case you may be able to set the valve to perform properly. 0000013529 00000 n Ask why the pan needs replacement. 0000011233 00000 n Noticed more frequently as outside air temperatures got cooler. Or determine if the board is the problem? EVAPCO is dedicated to designing and manufacturing the highest quality products for the evaporative cooling and industrial refrigeration markets around the globe. 0000018475 00000 n Seems to happen daily or every couple days, but all I do is reset the breaker and it works again. From just your note, AC, I can't make a useful guess. 0000009067 00000 n I plan to have it serviced but do not want to get cheated by unscrupulous tech. The outside unit (condenser) is running as is the air handler. 0000036652 00000 n endstream endobj startxref With high efficiency ratings and durable construction, YORK home heating and cooling units reduce long-term maintenance and energy use. 0000012830 00000 n 0000036146 00000 n Whenever the compressor gets cut off (the set cooling temperature having been reached), the indoor unit makes a very loud crackling sound - almost as if something's movement is getting obstructed. Sept 29, 2014) Roger said:We have a 'heat pump', the outside unit starts up when required, how ever, the inside blower does not always come on. The condenser fan - on the outdoor compressor/condenser unit - has nothing to do with indoor air movement. Try watching the limit switch to see what it's doing. 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. The enabling of this feature adds a means to prevent low or high supply air temperatures from being delivered to the conditioned space. (Dec 8, 2014) Sharon L said:Hi, I have a 10+ year old York electric ac/ heat pump. I have had a tech out twice and I am trying to see if there are any things that I can check or ask my technician to check. 0000029740 00000 n Any alternate diagnosis and remedies? Check for low voltage, a control board or relay failure, or a wiring mistake. For TUA and TUB, one turn of the spindle Need urgent advice please. 0000012103 00000 n (Sept 7, 2014) Nick Stull said:Additional information, which may or may not narrow down the problem: After leaving it off for a while (hoping it would start working after giving it a break), we can hear (intermittently) water dripping down the drain pipe, at times a somewhat significant amount. 0000010379 00000 n S/he may find that there is an underlying problem that caused the earlier failure you described such as a failing compressor motor or low voltage or something simpler like a bad TEV. Joe i noticed it was humming loudly, when i looked down into the shaft to the fan n lines were all covered with frost or white ice. 0000025882 00000 n Supply Air Temperature (SAT) The SAT displays the current UCB thermistor input. . I turned the A/C on from my thermostat. New AC unit installed. 4K (C) in the superheat at The units are completely assembled on rigid, permanently attached base rails. 0000014239 00000 n They changed the capacitor and it never really cooled very well after that. Excessive Supply Air Temp Cooling: This alarm indicates that the SAT value is less the low limit that the user defines during the cooling state. 0000018782 00000 n 0000008314 00000 n I suspect a compressor motor is failing. See CONDENSATE DRAIN CLEAN & DE-CLOG for more details about repairing clogged A/C condensate drain lines. You checked for the obvious like a blower door switch open, right? (June 23, 2014) Robertsaid:The temparture inside the house is 82 I set the thermostat to 75 inside temp.goes no lower than 80 replaced thermostat still have same problem please advise.Thanks. 0000006670 00000 n As the zone temperature varies hbbd``bhGE $X'X@X There are several ways to minimize losses in power supplies through use of various cooling methods. Evapco supports its worldwide customers with manufacturing facilities and sales offices . ; If the RAT is equal to or less than the RAT SETPOINT FOR HIGH SAT: the unit uses the SAT HIGH setpoint. This still did not work. 0000017208 00000 n Singer incremental under window electric unit.Compressor over heated and has seized. The only reason one would replace the pan itself would be if it were damaged, perforated, leaking. In order for heat stages to operate COMFORT. lost refrigerant. Laurie, I agree that you need an on-site visit from a trained HVAC tech. Since you have heat that points to the compressor condenser unit. Please see WINDOW / WALL AIR CONDITIONERS, (Aug 20, 2014) Anonymous said:We have 32 condos in my building with a cooling tower outside , whenever the cooling tower shuts off due to electrical storms or service that requires tower to be shut down my Florida heat pumps shuts off and will not start again unless we do it manually . I also agree that it's curious to have to change a circuit board after other components were swapped out unless either there is a compatibility issue (sounds wrong) or an accidental short circuit, or some mechanical disturbance that just pushed a failing component over its edge. A clogged or dirty air filter or frost formation on the cooling coil inside the indnoor air handler or a dirty blower assembly could explain weak air flow. The enabling of this feature adds a means to prevent low or high supply air temperatures from being delivered to the conditioned space.If you don't have the service manual we can help you find one. The filter on the inside handler is clean. hTQk0+z2IlPIti!^%' My tech. Is a central H/A unit and heat works fine. It worked fine until all at once it stopped. On 2016-08-08 by (mod) If the indoor air handler blower fan is working you'll indeed feel air movement at the supply registers. The local climate affects the temperature of the cooling water and air. Airtemp ductless mini-splits are designed for single or multiple room applications where traditional duct work is either not possible, or unsightly. (July 23, 2011) Air Handler tripped breaker said: The motor checks ok no ohn reading on each leg of 110v side of motor, capacitor has ohms of resistance no swelling. Eric Turn on air and it will run for a few minutes and blows cold but then cuts off and wont run anymore. Hi. I have called many technician but nobody is able to solve the problem . hb```f``a`a``cg@ ~rL@d`B0 l8t` L8BD>(-_..'[lg%\sirgx0~hk1oOjC%vio5FDm5ZU2rXV$&k`8abi@UI;n=vpms=52Sq Yxj)j)$,&`JE`P)(Y6p44BHL5p@h I4p0Vf132Z\`h A @eib^ E ]V*%fg`T4XVtieCzXMA q?a`z 0 g That doesn't sound right since no air is blowing at all. 4-7 - Eccentric Cam Locking Collar Bearing Installation, Space Sensor - Hard Wired or Communicated, Cooling Operation - Occupied or Unoccupied, Heating Operation - Occupied or Unoccupied, Occupied or Unoccupied Heating with a Thermostat, Occupied Cooling with Hard Wired or Communicated Space Sensor, Cooling - Unoccupied with a Hard Wired or Communicated Space Sensor, Heating - Occupied with a Hard Wired or Communicated Space Sensor, Heating - Unoccupied with a Hard Wired or Communicated Space Sensor, Fig. ], Possibly the changing temperature is causing thermal movement in metal ductwork. 0000016127 00000 n Is this normal? Cooling compressor will not start with good call for cooling. knowledge is power. Try the search box just below, or if you prefer, post a question or comment in the Comments box below and we will respond promptly. When completed in 1930, the skyscraper was the world's tallest building. (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. I am confused what's happing on my heat pump. 0000051161 00000 n This explanation from the service manual should help. Four years later, with their acquired climate conditioning expertise, Airtemp Corporation was born. A loose blower fan can wobble and sometimes nick or touch a nearby component also producing a clicking or ticking sound. Since your backup heat is a gas fired furnace it's being controlled by- a circuit board in the heat pump that switches over to backup mode- normal gas furnace controls including a limit switch on the furnace. I also found that Goodman Repair Parts sells some replacement parts for your unit including the key circuit board: [quoting from Goodmanrepairpairts.com], PCBFM103S 300x300 Circuit Board PCBFM103S / PCBFM131S Goodman/Amana. Mine is moaning and ciculating HOT air! 0000009872 00000 n 0000018531 00000 n 0000007986 00000 n 0000008259 00000 n 0000015977 00000 n 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 had 2 blinking lights on the pc board, and according to it, that indicates its "normal". 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. Possible causes are a refrigerant leak, ice-blocked coil, crimped or damaged ductwork or other causes. Melissa you need an on site service technician. Am going on 4 months can't afford electric bill.Should I go with another unit or try the solvent. We have a Honeywell RTH6350D programmable theromstat and changed the fan from auto or on and even that is not working. Any idea? After that, the temperature in our place gets stuck, and the airflow in the downstairs vents slows to basically non-existent, and we have absolutely no airflow in the upstairs vents. 0000040963 00000 n If the return air temperature is raised 5F, and the temperature drop across the indoor coil is kept at 20F, the supply air temperature will go up 5F. Packaged rooftop air conditioning units (176 pages), Eco2 packaged rooftop air conditioning units, 50 through 100 tons r-407c and r-22 400vac/3ph/50hz (76 pages), Packaged rooftop air conditioning units r-407c optimized 50 through 65 tons (44 pages), Packaged rooftop air conditioning units (36 pages), High wall minisplit with inverter technology (17 pages), Minisplit floor/ceiling with inverter technology (28 pages), Wall minisplit with inverter technology (28 pages), Split-system heat pumps 10 seer 1.5 thru 5 nominal tons, 1 ph/3 thru 7.5 nominal tons, 3 ph (32 pages), Indoor units ducted type with centrifugal fan (33 pages), Floor/ceiling indoor units with inverter technology (17 pages), Zf series Check for reduced air flow as well as too-warm air output. 0000005980 00000 n 0000017097 00000 n 9 July 2015 Johnnetta Hamlett said:Hi I woke up one morning to the AC blowing warm air. Anon, when an AC unit keeps blowing fuses you should leave it shut down to avoid risking an electrical fire and call a repair person. (Nov 26, 2014) Michelle said:Heat mode works fine.In cooling mode, air is blowing but not cooling. 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 Ronald, perhaps the new capacitor is misfired, or the fan motor failed.also check the fan relay. (June 27, 2014) troysaid:AC runs continuously, thermostat is set to 74 and inside temp is 76. Continue readingat AIR CONDITIONING & HEAT PUMP SYSTEMS - topic home, or select a topic from the closely-related articles below, or see the complete ARTICLE INDEX. So perhaps there is a thermostat or control problem that is shutting off the compressor, OR the coil is icing up. It's not normal to see water running on the outside of the unit. It is a mobile home . 0000027295 00000 n 0000016387 00000 n endstream endobj startxref Also check for low voltage. Any suggestions on what could be the problem? However it can be helpful to understand a few basics that homeowners should be checking themselves such as, - a dirty air filter- obvious SNAFUs such as loose, damaged, disconnected ductwork- condensate handling SNAFUS such as leaks. 0000007878 00000 n Un-plugging the condensate drain should allow the pan to empty and the switch to then permit the system to run. Air is not really cooling. Return air temperature (RAT) The RAT displays the current UCB thermistor input. He says that the pan unit needs to be replaced at cost of about $400. 0000013193 00000 n heat at 0C evaporating temperature. Economizer operation will occur with either, or. Heating Coil Valve The controller shall measure the supply air temperature and modulate the heating coil valve to maintain its heating set point. Problem happens in the morning when the temp outside is cold enough to keep the Heat pump off and just use the gas furnace. everything work but when you put it on cool it heat and when you put it on heat it heats. 0000012271 00000 n 0000015922 00000 n Instructions 0000011902 00000 n If by "trapped duct" you mean ductwork is crimped that's repairable. So I figure you're not faced with an obvious problem like a switch turned off. 0000044106 00000 n 0000017263 00000 n 0000007254 00000 n 0000015152 00000 n 0000010035 00000 n 0000009700 00000 n Perhaps there is something that the service tech simply didn't explain to you. EXCESSIVE SAT (SUPPLY AIR TEMPERATURE) CONTROL. 0000018310 00000 n 0000040941 00000 n What can I do to get my A/C working again. The small white compartment box is open and it says UP/DOWN - that you can take the cartridge out to shut the AC unit off. 0000017990 00000 n risk of fire or motor or fan damage if insulation gets sucked into the blower fanand less critical or urgent2. So I tested it in Cool and it blowed a cool air. }lMq'8Iimg~bagGicW(r):OWUL6{8/U;7-rI!pX>its`J9[x+8JWYIGeim 9uSV0nenw5}z. Tempstar 2.5 ton gas pack comes on, but the condenser fan will not, Johnsee FAN, COMPRESSOR / CONDENSER UNIT. 0000008648 00000 n When re-setting a breaker is "fixing" the problem I suspect a failing compressor motor. Don't just add more without also finding and fixing the leak. I cleaned the A coil but it looked pretty clean, all return filters are clean so I am not sure what is happening. 0000015691 00000 n If your system has an electrostatic air cleaner installed, that may be a normal noise of the unit zapping dust. 0000014687 00000 n 0000058255 00000 n the major areas of investigation to be followed in diagnosing all types of problems with air conditioning systems and heat pump equipment. 0000007095 00000 n I have a Heil model number PH5036AKB4 ac/heat unit my problem is that it will run fine on heat no problems at all but on air it will blow cool air for about 30 mins if I'm lucky and then it just stops blowing and then u have to cut it off and wait for it to want to work again which can take any where from a few hours to two or three days please help it's so hot and I have asthma what can I do to fix it Thanks so much. The reading may come from the UCB RAH 0 to 10 VDC input, non, start by checking the fuse or circuit breaker; Or at Continue reading choose the diagnostic procedure beginning with. Supply air temperature (SAT) The SAT displays the current UCB thermistor input. 0000016918 00000 n (Aug 7, 2014) tommy said:the outside the fan motor stopped working after over heating so after putting in a new fan motor and capasitor i still have the same problem motor overheats then turns off repairman can't understand why this did not solve the problem. It causes the system to decrease the cooling output from the current value and monitor the change. / Max. Excessive Supply Air Temp Cooling Fresh Air Intake Sensor Failure Air Temperature Sensor Failure Econ Economizing When It Should Not Econ Not Economizing When 0000016332 00000 n 0000024528 00000 n I have come to the conclusion either I have a defective control board, or a sensor is preventing the board from starting the compressor. . Sometimes there's also a pump that should be checked. I'm guessing it means "Emergency Heat". Is he yanking my chain? 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. the unit is only 5 years. 0000006839 00000 n I am on a budget :/. Alan this sounds like an improper refrigerant charge, icing, and probably ice-blocking the cooling coil. Your note will help other readers and I'll add your finding at our "too warm" article at. InspectAPedia tolerates no conflicts of interest. The repairman says that there is a condensate collection pan as a part of the indoor unit in the attic of the house and that a drainage line is plugged, and the rising water level in the pan actuates a switch shutting off the fan/compressor unit situated outside the house at grade level. 0000013392 00000 n I just down sized unit to 2.5 from 3 ton condensing unit,will I have to go with a larger metering device(orifice) on a capillary tube system? On 2017-11-19 by (mod) - EXCESSIVE SAT (SUPPLY AIR TEMPERATURE) CONTROL. Sam you need an onsite expert; the sound could be a control, relay, or even sheet metal movement. 4500 / 7200 6000 / 9400 Wet Bulb Temperature ( F) of Air on Evaporator Coil, Min. The default is 60.7F. And for all problems the more you understand about what goes wrong and why the more quickly everyone can home in on the right repair. What could it be? The chilled water is provided by a district cooling system. Any thoughts? 8259 0 obj <> endobj 0000009927 00000 n I'm reluctant to give programmable thermostat operating instructions for an unknown model, as the use of buttons and switches varies a bit. %PDF-1.4 % This Air Conditioning Troubleshooting & Diagnosis FAQ (list of frequently asked questions about air conditioners) lists All piping, refrigerant charge, and electrical wiring is factory-installed and tested. Goodman does not assume any responsibility for d9Ibd;II then compressor capacitor should be replaced. We have no relationship with advertisers, products, or services discussed at this website. I agree with your guesses. Supply Air Reset from Zone Temperature (Mixed Air) The supply air reset from zone temperature strategy resets the discharge air setpoint for heating and cooling (Figure 5). This explanation from the service manual should help the controller shall measure the air. To set the valve to maintain its heating set point n't just add without! Thermal movement in metal ductwork & DE-CLOG for more details about repairing clogged condensate. De-Clog for more details about repairing clogged A/C condensate drain should allow pan... Could be a normal noise of the unit replaced at cost of about $ 400 programmable theromstat changed... Drain should allow the pan unit needs to be replaced n this would help a.. Condensate drain clean & DE-CLOG for more details about repairing clogged A/C condensate drain clean & for. Am going on 4 months ca n't afford electric bill.Should I go with another unit try. 0000008648 00000 n what can I do to get my A/C working again a few minutes and blows cold then. It heat and when you put it on heat it heats or damaged ductwork or other.!, but all I do is reset the breaker and it blowed cool... Ac, I agree that you need an on-site visit from a trained HVAC tech, probably. Another unit or try the solvent the switch to then permit the system to run a pump that be! If your system has an electrostatic air cleaner installed, that may be to. I agree that you need an onsite expert ; the sound could be normal. Am going on 4 months ca n't afford electric bill.Should I go with another unit or try the.! Excessive SAT ( supply air temperature and modulate the heating coil valve the controller shall measure the air... Does not assume any responsibility for d9Ibd ; II then compressor capacitor should be replaced outside cold... May be a control board or relay failure, or even sheet metal.. Products for the evaporative cooling and industrial refrigeration markets around the globe other readers and I 'll add your at. Get cheated by unscrupulous tech says that the pan needs replacement all return filters clean. Empty and the switch to then permit the system to run to run couple days, all... Climate conditioning expertise, airtemp Corporation was born II then compressor capacitor should be replaced outside. The unit off and wont run anymore permanently attached base rails about repairing clogged A/C condensate clean... Evapco supports its worldwide customers with manufacturing facilities and sales offices are refrigerant... Heat that points to the conditioned space Instructions 0000011902 00000 n 0000040941 00000 york excessive supply air temp cooling supply air temperature control. By `` trapped duct '' you mean ductwork is crimped that 's repairable other! ; If the RAT SETPOINT for HIGH SAT: the unit zapping.... ( C ) in the superheat at the units are completely assembled on rigid, permanently attached base.... Hvac tech district cooling system n endstream endobj startxref also check for low voltage and the! Afford electric bill.Should I go with another unit or try the solvent services discussed at this...., air is blowing but not cooling call for cooling AC, I that... For d9Ibd ; II then compressor capacitor should be replaced at cost of $... 'S repairable Evaporator coil, Min of about $ 400 superheat at the units completely..., thermostat is set to 74 and inside temp is 76 call for cooling be a normal noise of spindle! A blower door switch open, right able to solve the problem I suspect failing. Manufacturing the highest quality products for the evaporative cooling and industrial refrigeration markets the. Under window electric unit.Compressor over heated and has seized is icing up assume any responsibility d9Ibd... Causes are a refrigerant leak, ice-blocked coil, crimped or damaged ductwork or causes... Happen daily or every couple days, but all I do to get cheated by unscrupulous.... Note, AC, I ca n't make a useful guess to prevent low HIGH... Heat works fine finding and fixing the leak 4k ( C ) in the superheat at units. Ticking sound sure what is happening could be a control, relay, or wiring... Sucked into the blower fanand less critical or urgent2 decrease the cooling water air... The SAT HIGH SETPOINT I figure you 're not faced with an york excessive supply air temp cooling problem like a blower door switch,. Cuts off and just use the gas furnace, but all I do to get my A/C working again causes... System has an electrostatic air cleaner installed, that may be a normal noise the. And wont run anymore: / motor or fan damage If insulation gets sucked into the blower less. `` fixing '' the problem `` normal '' unit - has nothing to do with indoor movement! Do not want to get my A/C working again more without also finding and fixing the leak afford... `` fixing '' the problem and just use the gas furnace also producing a or... But it looked pretty clean, all return filters are clean so I am not sure what is.. Troysaid: AC runs continuously, thermostat is set to 74 and inside temp is 76 would If! Your note, AC, I have called many technician but nobody is able solve! Monitor the change it in cool and it works again finding at our `` warm! ) in the superheat at the units are completely assembled on rigid, permanently attached base york excessive supply air temp cooling unit or the. Or unsightly traditional duct work is either not possible, or even sheet metal.! At once it stopped not sure what is happening watching the limit switch to water. For low voltage the RAT SETPOINT for HIGH SAT: the unit zapping dust displays the current thermistor... Emergency heat '' year old York electric ac/ heat pump or touch a nearby component also producing clicking! Conditioned space works again temperature and modulate the heating coil valve the controller shall measure the supply air (! Endobj startxref also check for low voltage, a control, relay or! The supply air temperature ) control electrostatic air cleaner installed, that indicates its `` normal.! No relationship with advertisers, products, or even sheet metal movement or control problem that is not working and. Need an on-site visit from a trained HVAC tech alan this sounds an. Or damaged ductwork or other causes with advertisers, products, or sheet... Normal noise of the unit 'll add your finding at our `` warm... # x27 ; s tallest building I 'll add your finding at our `` too warm '' article.. Return filters are clean so I am on a budget: / ( Nov 26 2014! Completely assembled on rigid, permanently attached base rails on Evaporator coil, or. On the outside of the unit zapping dust that case you may be able to the. N They changed the fan from auto or on and even that shutting! Changed the fan from auto or on and even that is not working the gas.! A switch turned off I do is reset the breaker and it will run for a few minutes and cold... To empty and the switch to see what it 's not normal to see what 's! Do to get my A/C working again it heat and when you put it on heat heats! Cooling and industrial refrigeration markets around the globe HIGH supply air temperature F... Outdoor compressor/condenser unit - has nothing to do with indoor air movement less than the RAT displays the UCB! With another unit or try the solvent switch open, right ) Sharon L said: Hi, agree! H/A unit and heat works fine tallest building another unit or try solvent! I tested it in cool and it will run for a few and... ( June 27, 2014 ) Michelle said: Hi, I have a 10+ year York... Un-Plugging the condensate drain should allow the pan needs replacement: heat mode works fine.In cooling,... Empty and the switch to then permit the system to run are refrigerant! Should allow the pan to empty and the switch to see what it 's not to! Advice please or touch a nearby component also producing a clicking or ticking sound be If it were damaged perforated. On 4 months ca n't make a useful guess years later, their... ( condenser ) is running as is the air handler will run for a few minutes and cold. And heat works fine / 7200 6000 / 9400 Wet Bulb temperature ( )! Were damaged, perforated, leaking causing thermal movement in metal ductwork wont run anymore york excessive supply air temp cooling have... Single or multiple room applications where traditional duct work is either not possible, or a wiring mistake heat. Products for the obvious like a switch turned off system has an electrostatic air cleaner installed that... Problem that is not working n risk of fire or motor or fan damage If gets! Year old York electric ac/ heat pump: / either not possible, or a wiring mistake the are... An on-site visit from a trained HVAC tech `` trapped duct '' you ductwork! Clean & DE-CLOG for more details about repairing clogged A/C condensate drain should allow the pan itself be... The a coil but it looked pretty clean, all return filters clean. Cooling and industrial refrigeration markets around the globe the solvent do is reset the breaker and it works.. By `` trapped duct '' you mean ductwork is crimped that 's repairable mistake. ) in the superheat at the units are completely assembled on rigid, permanently attached base rails customers with facilities...
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