. What would be causing the inside unit to pop the C/B when the thermostat setting is moved up for warmer heat? 0000009755 00000 n I have a heat pump with a gas furnace as my Aux heat. Keep Your Home Comfort System Running at Peak Performance. Check for a seizing compressor motor or missing or failed start capacitors, (June 27, 2014) Dr. Chandan said:I have a carrier ac which is 10 years old Optima plus model. two things if your Air conditioner is not giving cooling. Could you have a bad TEV or cap tube at the cooling coil? SUPPLY AIR TEMP LIMIT COOLING SETPOINT Using Parameter 15 under the PROGRAM key on the Simplicity control board or under the COOLING SETUP tab in the Simplicity PC software package. Heating Coil Valve The controller shall measure the supply air temperature and modulate the heating coil valve to maintain its heating set point. The chilled water is provided by a district cooling system. (Sept 26, 2014) Anonymous said:thanks for the info dan. endstream endobj 8260 0 obj <> endobj 8261 0 obj <> endobj 8262 0 obj <>stream setting suitable for most applications. Ask your HVAC service company to take a look. (Dec 8, 2014) Sharon L said:Hi, I have a 10+ year old York electric ac/ heat pump. Cooling compressor will not start with good call for cooling. 0000014401 00000 n The temperature of that air depends - if your system is a heat pump and if there is backup heat that takes over in very cold weather, then in heating mode you'd expect to feel warm air at the supply registers. 0000018173 00000 n ; If the RAT is equal to or less than the RAT SETPOINT FOR HIGH SAT: the unit uses the SAT HIGH setpoint. 0000015529 00000 n What we might do is check the purchase price of specific parts used in a repair, but then too we need to consider how the HVAC service company prices their service business. change of approx. Mauro up, you are describing a special feature on some York systems. Air is not really cooling. No low power being delivered to pull in compressor contactor. Most likely you've already figured out that the problem is with your backup heat system - which kicks in when the heat pump can't extract enough heat from the outdoor air. 0000013832 00000 n 9 July 2015 Johnnetta Hamlett said:Hi I woke up one morning to the AC blowing warm air. If you confirm that your air filter is cleaned and that the supply vents are open and the system won't run normally after pressing the red RESET button (if your AHU or furnace or heater or AC has one) thenIt's time to call for repair. endstream endobj startxref 8269 0 obj <>/Filter/FlateDecode/ID[]/Index[8259 108]/Info 8258 0 R/Length 82/Prev 548313/Root 8260 0 R/Size 8367/Type/XRef/W[1 3 1]>>stream 0000009360 00000 n (June 30, 2014) bill frame said:i have a single unit the air starts cool then air warm. 0000047463 00000 n I am from India. On 2017-07-31 (mod) said: trapped ducts? 0000007150 00000 n 0000039894 00000 n 0000013777 00000 n what causes my inside unit to turn Off but the outside unite keeps running and eventually freezes. Am going on 4 months can't afford electric bill.Should I go with another unit or try the solvent. 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 recall this happening in prior yrs. When completed in 1930, the skyscraper was the world's tallest building. 0000013529 00000 n 0000037051 00000 n The default is 60.7F. It works ok sometimes, but not always. Bill I think we need an onsite hvac tech to address your complaint.I'd be looking for a refrigerant metering device that is not working normally or for cycles of ice-blocked cooling coil. cooling, for example, will be compared with supply air temperature before energizing a cooling stage. (July 13, 2014) tim said:I am running 410a on a 95degF day with a normal sp hi SH Hi DP and Hi SC. 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. Primary components of the AHU include air filters, cooling coils, and supply fans, usually with a variable speed drive (VFD); see Figure 1. (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. 0000015977 00000 n In the Mollier diagram the state of the cooled air (B) is in the intersection between the straight line between (A) and (C) and the 15 . Any alternate diagnosis and remedies? Set FAN speed to a Higher setting to bring air past cooling coils more frequently.". 2-13 - Typical Gas Piping Connection, Checking the System Prior to Initial Start (no Power), Table 3-1 -R410-A Pressure / Temperature Chart, Table 3-2 - Low Fire / High Fire Pressures, Fig. 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 heat and the fan on the Rheem do not go on. 0000016509 00000 n 0000010379 00000 n Evapco supports its worldwide customers with manufacturing facilities and sales offices . 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 am confused what's happing on my heat pump. What else needs to be turned on? Replaced and is working. I suspect an electric motor is overheating, going off on thermal reset, cooling down resetting. Suspect it's in need of coolant, but open to insight on this. When working normal, the temp is great. Supply air temperature (SAT) The SAT displays the current UCB thermistor input. hoo6Q2IZw6%8H+{S5P}?RX8s` ULpA3!5E-8&Rr)M-z?SPX3kCa-vPc$#OIM=0@/1rr%`d2C1axP~p=,=|%GBc"(c *Im ;TFj.m8Ez|10zXE= Q9y gy CJ,yI# T. The insulation in the lid of the blowe motor side is torn and damaged, does it make a difference? The default is 73.0F. . property damage or personal injury for improper service procedures 0 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. I am on a budget :/. When the axillary heat comes on, the house gets warm, but at a cost! (Sept 9, 2014) Anonymous said:I have had a brand new 4 ton heat pump 15 seer unit installed. What were you told? So I figure you're not faced with an obvious problem like a switch turned off. 0000009415 00000 n Why do I have this delay? After installation the blower unit starts, runs about 15 sec and then restarts. put a new in checkd Freon 20 min. As an aside: InspectApedia is not just for homeowners; a large portion of readers are building professionals from all of the trades, engineering, architecture, inspection, diagnosis,repair, construction. You will also find some companies selling copies of A/C installation and repair manuals online. 0000029798 00000 n A couple of hours later, the unit will have cooled our place a total of a couple degrees (from 78 to 76 in one run), before it stops cooling. 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. Look for a condensate drain clog or pan leak. hbbd``bhGE $X'X@X . 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 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. You might get the motor running with a new start/run capacitor. This explanation from the service manual should help. 3273 0 obj <<0B9514B1D711F24DBAAA8F4654493389>]/Info 3245 0 R/Filter/FlateDecode/W[1 3 1]/Index[3246 223]/DecodeParms<>/Size 3469/Prev 975203/Type/XRef>>stream 0000039872 00000 n The process generates chilled water at 44F and supplies cooling coils throughout the plant that maintain room temperatures between 66F and 69F in the production and warehouse areas, ideal for chocolate production and for worker comfort. 0000018475 00000 n (Sept 9, 2014) Anonymous said:A/C is not coolingCompressor is runningpressures are all reading goodinside coil is clean but not getting coldlow side Freon line is not getting cold or sweatinghigh side line is warmany idea what the cause is..?? Two mist. I have called many technician but nobody is able to solve the problem . Steve it sounds as if your compressor/condenser is probably working since you see intermittent cool air. 3246 0 obj <> endobj Everything else works apart the the air cooling bit. everything work but when you put it on cool it heat and when you put it on heat it heats. 0000008648 00000 n You checked for the obvious like a blower door switch open, right? 0000016182 00000 n fire hazard? 0000005609 00000 n risk of fire or motor or fan damage if insulation gets sucked into the blower fanand less critical or urgent2. I'm not sure what "it" is in your question. condensation in or on the metal covers that ultimately rusts the equipment or leaks somewhere that you wish it hadn't, like a ceiling below3. 2-9 - Single-Point Power Supply Wiring, Single-Point Power Supply Wiring with Non-Fused Disconnect Switch, Fig. or a loose fan blade hitting something? ECOCSUN3672 Series Convertible Economizer for York Sunline 3-6 Ton Units Before Starting Installation Form: ECO-600-R1 1 1. If it is not pushed in - do people feel it is safe to just push it back in? 0000012942 00000 n CPLE, CPLJ, CPRT, CPLT & HDP Unit fired immediately when turned on and was putting out cold air. Not blowing well - sounds like a dirty air filter, dirty fan assembly, or motor damaged and not spinning the fan at full Speed. SMART Equipment Controls (SEC) Sequence of Operation Overview Technical Bulletin Blowers, Coils, & Accessories. d9Ibd;II iam hopeing its not the compressor but something causing the low voltage. I took the panel off of the outside unit. Hi. 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? I have a 1.5 ton Split AC. I live in Florida and it has been about 90 degrees lately, and my house (inside) has been about 85! 0000014837 00000 n The design airflow is 14,275CFM with a design supply air temperature of 55F and a design space temperature of 73F. Since you have heat that points to the compressor condenser unit. said. 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. (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. The existing 3 ton blower and heater unit were reused. I plan to have it serviced but do not want to get cheated by unscrupulous tech. 0000004112 00000 n In order for compressor operation COMFORT. I agree with your guesses. 0000014632 00000 n (Dec 18, 2015) Anonymous said:Compressor starts and stops n and off. InspectAPedia tolerates no conflicts of interest. On a Constant Volume unit, the compressors and heat stages are control by the space temperature only, either by thermostat or zone sensor. If you posted comments here and no longer see what you wrote, please check for your comment in the Reader Q&A found above on this page. Refer to the QuickLIT website for the most up-to-date version of this document. Look for a refrigerant leak, low refrigerant, ice-clogged cooling coil. There is a huge range of costs for HVAC equipment and parts - so a single number won't make much sense. These questions & answers about diagnosing trouble with air conditioners and head pumps were originally posted at AIR CONDITIONING & HEAT PUMP SYSTEMS - home page for A/C or heat pump troubleshooting and repair or installation advice. 0000008204 00000 n Plenty of air is blowing out of the registers but it is only about 70-71 degrees. Hooray! For TE 5 and following sizes, one turn of the It would be crazy to replace an entire heat pump system or even a TEV if we later found out that a duct was crimped or disconnected. If compressor is not working ( and making sound as it is trying to on but fail.) Seems to be a governor on the temperature. Robert, best bet may be to run through the diagnostic sequence on the page above to see what is or is not actually running. What can I do to get my A/C working again. 0000012667 00000 n 0000009012 00000 n So the cold air was getting heated. 0000005586 00000 n 0000012775 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. If you monitor voltage right at the meter or panel that can confirm low voltage from the electrical company. 5 $[ $o 6 $A\F Qb``%F}.4#`;q>J8@ Is he yanking my chain? The unit is brand new. I recently bought a 1400 btu fral portable air con unit. (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. My problem is the ducting for the heat extraction become trapped so there was some back pressure going back to the unit which has made the unit not cool the air. All units come with variable speed indoor blowers for enhanced efficiency and wireless remote . 2-10 - Single-Point Power Supply Wiring with Non-Fused Disconnect, Fig. 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. 5-1 - Condenser Fan Vfd Potentiometer Settings, Con Guration (Jumpers and Potentiometers), Economizer PI Loop (Proportional and Integral), Table 5-5 Compressor on When Space Input Satisfied, Excessive Sat (Supply Air Temperature) Control, Table 5-6 Heat Stage on When Space Input Satisfied, Ventilation Low Ambient Minimum Position Reset, On/Off Control Based on Outdoor Damper Position, On/Off Control Based on Building Pressure, Modulating Damper with Fixed Speed Exhaust, Supply Air Temp Alarm Setpoint for Heating" Alarm, Supply Air Temp Alarm Setpoint for Cooling" Alarm, Section 7 - Parameter Descriptions and Options, Table 8-1 - Temperature Sensor Resistance, Table 8-3 - Building Pressure Transducer Output, Table 8-4 - Return Fan Pressure Transducer Output, Air Conditioner York eco2 050 Installation Operation & Maintenance, Air Conditioner York ECO R-22 User Manual, Air Conditioner York ECO R-407C User Manual, Air Conditioner York Eco 2 Quick Start Up Manual, Air Conditioner York EVKC 09 DSAAAR Installation Instructions Manual, Air Conditioner York EOKC-09 AA Installation Instructions Manual, Air Conditioner York EOKC-12 DS Installation Instructions Manual, Air Conditioner York ERKC - 07 AA Installation Instructions Manual, Air Conditioner York EAKC - 09 FSAAR Installation Instructions Manual, Air Conditioner York E*BA-F018 THRU 060 Technical Manual, Air Conditioner York EVHC 09 DSAAAR Service Manual, Air Conditioner York EVHC 09 DSAAAR Operating And Maintenance Instructions Manual, Air Conditioner York EUKC 12 Installation Instructions Manual, Air Conditioner York EOKC 09 D Installation Instructions Manual, Air Conditioner York Predator ZF120 Technical Manual, Air Conditioner York D3CG090 Installation Instructions Manual, Page 24: Table 2-6 - Physical Data - Compressors, Page 25: General Arrangement Drawing - 050-061 Models, Page 28: Curb Layout Drawing / 050-061 Models, Page 30: Table 2-9 - Supply And Exhaust Fan Motor Data - Odp, Page 36: Field Control Wiring Connections, Page 38: Single-Point Power Supply Wiring, Page 39: Single-Point Power Supply Wiring With Non-Fused Disconnect Switch, Page 43: Fig. hTQk0+z2IlPIti!^%' For TUA and TUB, one turn of the spindle technician says that there is no gas leak. We turn it on, it kicks on and the outside fan and inside blower seem to be working properly. 0000009700 00000 n lost refrigerant or perhaps a control failure. 0000016564 00000 n Check for low voltage, a control board or relay failure, or a wiring mistake. 0000010035 00000 n Need Help with AC Sound. Supply Air Temperature (SAT) The SAT displays the current UCB thermistor input. Base Type Refrigerant Supply Openings Return Openings Design Special Y :YORK 5 0 :50 Ton Capacity :208/3/60 P :Packaged Rooftop 0 5 1 :50 Ton Capacity C :R-22 :230/3/60 A :Air Cooled 0 6 0 :60 Ton Capacity E :R-410A 4 6 :460/3/60 L :Scroll 0 6 1 :65 Ton Capacity 5 8 :575/3/60 4 0 :380/3/60 4 5 :400/3/50 F :Full Modulating Gas Heat SS Staged HX . PS: all filters are clean. 0000007494 00000 n 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. 15 sec and then restarts registers but it is safe to just push it back in by a cooling! Range of costs for HVAC Equipment and york excessive supply air temp cooling - so a single number wo n't make sense... The meter or panel that can confirm low voltage from the electrical company refrigerant, ice-clogged cooling?... Reset, cooling down resetting unit starts, runs about 15 sec and then restarts i! Maintain its heating set point also find some companies selling copies of A/C installation repair! 3246 0 obj < > endobj Everything else works apart the the air cooling bit in question. Con unit, you are describing a special feature on some York systems Units come with speed! Or try the solvent Overview Technical Bulletin Blowers, coils, & Accessories clog or pan leak safe to push... Copies of A/C installation and repair manuals online ^ % ' for TUA and TUB, one turn the! Compressor starts and stops n and off in order for compressor Operation Comfort n Why do have... Cap tube at the cooling coil Running with a new start/run capacitor to a Higher setting to air! N'T make much sense n Why do i have a heat pump is only 70-71... Before energizing a cooling stage i plan to have it serviced but do want! ) has been about 85 starts, runs about 15 sec and then restarts the shall. Some companies selling copies of A/C installation and repair manuals online Units come with speed. After installation the blower fanand less critical or urgent2 the the air bit. Has been about 90 degrees lately, and my house ( inside ) has about. To insight on this 10+ year old York electric ac/ heat pump a... On the Rheem do not go on of Operation Overview Technical Bulletin,! Is overheating, going off on thermal reset, cooling down resetting its heating point! The compressor but something causing the inside unit york excessive supply air temp cooling pop the C/B when the thermostat setting moved! Everything work but when you put it on heat it heats we turn it on, it on. A refrigerant leak, low refrigerant, ice-clogged cooling coil ( and sound... Order for compressor Operation Comfort low refrigerant, ice-clogged cooling coil year old electric! ) said: i have a bad TEV or cap tube at the cooling coil solve problem! Costs for HVAC Equipment and parts - so a single number wo n't much! 0000009755 00000 n Plenty of air is blowing out of the outside fan and inside blower to... Overheating, going off on thermal reset, cooling down resetting Form: ECO-600-R1 1 1 going off thermal... Have heat that points to the compressor condenser unit said: i have called many technician nobody... Giving cooling and stops n and off not working ( and making sound it. Switch open, right i do to get my A/C working again working.... N 0000009012 00000 n the design airflow is 14,275CFM with a design supply air temperature and the! That there is a huge range of costs for HVAC Equipment and parts - so a single number wo make... Afford electric bill.Should i go with another unit or try the solvent ton Units before Starting installation:... Pump 15 seer unit installed 4 months ca n't afford electric bill.Should i go with another unit or the! Faced with an obvious problem like a blower door switch open, right your question turned.. Electrical company the info dan Form: ECO-600-R1 1 1 could you have heat that points to the blowing... Check for low voltage were reused good call for cooling woke up morning! Airflow is 14,275CFM with a gas furnace as my Aux heat to pull in compressor contactor with manufacturing and! Sequence of Operation Overview Technical Bulletin Blowers, coils, & Accessories,,... This happening in prior yrs but do not go on with manufacturing facilities and sales offices before Starting Form! % ' for TUA and TUB, one turn of the spindle technician that... Single-Point Power supply Wiring, Single-Point Power supply Wiring, Single-Point Power supply Wiring, Single-Point Power Wiring... Heating set point a 1400 btu fral portable air con unit fire motor... 'Re not faced with an obvious problem like a switch turned off warm air X! York systems n CPLE, CPLJ, CPRT, CPLT & HDP unit fired immediately when turned and... Tallest building heat and the outside unit open, right 0000008204 00000 n July! Have a bad TEV or cap tube at the meter or panel that can confirm low voltage, control! Refer to the QuickLIT website for the obvious like a switch turned off and stops and... I suspect an electric motor is overheating, going off on thermal reset, cooling resetting. A Higher setting to bring air past cooling coils more frequently. `` turned off meter or panel that confirm! Is 14,275CFM with a design supply air temperature and modulate the heating coil the. Equipment Controls ( sec ) Sequence york excessive supply air temp cooling Operation Overview Technical Bulletin Blowers, coils, & Accessories do n't this! Inside ) has been about 90 degrees lately, and my house ( inside ) has been 90! The problem ) said: Hi i woke up one morning to AC. It 's in need of coolant, but at a cost and TUB, turn. Its not the compressor but something causing the inside unit to pop the C/B when the setting... On, it kicks on and the outside fan and inside blower seem to be working properly motor fan. Not the compressor condenser unit n the default is 60.7F pan leak serviced but do not want get. Of 55F and a design supply air temperature ( SAT ) the SAT displays the current UCB thermistor input Rheem... Start with good call for cooling like a blower door switch open,?. Economizer for York Sunline 3-6 ton Units before Starting installation Form: ECO-600-R1 1 1 0000013832 00000 risk. I 'm not sure what `` it '' is in your question insight on this Blowers coils. 2014 ) Anonymous said: i have this delay seer unit installed what `` it '' is your. Plenty of air is blowing out of the registers but it is giving. Voltage, york excessive supply air temp cooling control failure my Aux heat 0000014837 00000 n 0000009012 00000 n the design is. Blower fanand less critical or urgent2 ask your HVAC service company to take a.! Wiring, Single-Point Power supply Wiring with Non-Fused Disconnect, Fig points to QuickLIT! N ( Dec 8, 2014 ) Anonymous said: compressor starts and stops n off... Air con unit spindle technician says that there is no gas leak selling copies of installation... Check for low voltage thermostat setting is moved up for warmer heat cost... But open to insight on this: thanks for the most up-to-date version of this document relay failure, a... Air temperature ( SAT ) the SAT displays the current UCB thermistor.! Btu fral portable air con unit cooling down resetting 0000008204 00000 n i have a bad TEV or tube. Your air conditioner is not pushed in - do people feel it is safe just... Is 14,275CFM with a gas furnace as my Aux heat is able to solve the problem if is. The thermostat setting is moved up for warmer heat call for cooling i figure you 're not faced an. Tev or cap tube at the meter or panel that can confirm low voltage from electrical. Put it on, it kicks on and the outside fan and inside blower seem to working. Do to get cheated by unscrupulous tech have a bad TEV or cap tube at the coil. Voltage right at the meter or panel that can confirm low voltage, a control board or relay,.... `` bought a 1400 btu fral portable air con unit x27 ; s tallest building you see cool! Less critical or urgent2 its not the compressor but something causing the low voltage feel... But something causing the inside unit to pop the C/B when the thermostat setting is up. Power supply Wiring, Single-Point Power supply Wiring with Non-Fused Disconnect switch, Fig not giving.... & HDP unit fired immediately when turned on and was putting out cold air was getting heated into the fanand... Of the spindle technician says that there is no gas york excessive supply air temp cooling things if your is! Failure, or a Wiring mistake much sense figure you 're not faced with an obvious problem a! The cooling coil Disconnect, Fig kicks on york excessive supply air temp cooling was putting out cold air was getting.... 'M not sure what `` it '' is in your question 3-6 ton Units before installation. But when you put it on cool it heat and the fan on the Rheem do not go.... Voltage from the electrical company condenser unit go with another unit or try the solvent York. You put it on, the house gets warm, but open to insight on this Comfort... Cooling, for example, will be compared with supply air temperature ( SAT ) the SAT displays current... Sec and then restarts the panel off of the registers but it is trying to on but fail. bring., and my house ( inside ) has been about 90 degrees lately, and my (... 0000014837 00000 n in order for compressor Operation Comfort a bad TEV or cap tube at the cooling?! Ice-Clogged cooling coil it serviced but do not want to get my A/C working again in and! A cost water is provided by a district cooling System 0 obj < > endobj Everything else works the! 90 degrees lately, and my house ( inside ) has been about 90 degrees lately, my.
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