That doesn't sound right since no air is blowing at all. Is there a way to test the control board or do you think it is something else I should test.Thanks,George. CKL, CLJ, CRT, CLT, TWC, CLQ & HDC 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. 0000007254 00000 n Any idea? concerns with torn damaged insulation anywhere inside of the air handler. If you don't have an installation and operation manual for your thermostat you (or we) ought to be able to find one, at no cost, by seaching for it based on brand and model number. I have come to the conclusion either I have a defective control board, or a sensor is preventing the board from starting the compressor. HVmL[U~R8f41WBf~l[P?8$4nYiu-[u[JqS41[h1& ;src@R@'}YsMn>EvP+6 (IT(hmWVhvC};3tTwE?VFGW$ygOn1AR`:9]l1q`~;_\>\}=V'p}!t,R1#))a71&a>(G2T.&T<3%bI%p .a%`PBp+dp&)r[{z]N=WD3(GL:G)h ;oRv,gBL8'&R 86#;] IU|EasU&g>e? After about 5 minutes, the A/C shuts off completely, and both blinking lights go out- indicating that either the board is "bad"- or that there is "no power". fire hazard? This explanation from the service manual should help.EXCESSIVE SAT (SUPPLY AIR TEMPERATURE) CONTROL This feature is only available on Constant Volume units. risk of fire or motor or fan damage if insulation gets sucked into the blower fanand less critical or urgent2. Since you have heat that points to the compressor condenser unit. or a loose fan blade hitting something? Your system presumably already has a thermal expansion valve TEV installed. 0000010559 00000 n 0000012438 00000 n There's no problem with cooling or fan speed per se.Thanks in advance,Sam, On 2016-04-21 by (mod) 0000008648 00000 n 0000029839 00000 n 2-12 - Atmospheric Sensor Probe, Page 48: Fig. Air is not really cooling. The thermostat will read 68 or 69 for room temp but the program is calling for 70 and the unit is off. Mauro up, you are describing a special feature on some York systems. put a new in checkd Freon 20 min. ; If the RAT is equal to or less than the RAT SETPOINT FOR HIGH SAT: the unit uses the SAT HIGH setpoint. Does that sound right? 0000037051 00000 n setting suitable for most applications. REPAIR & DIAGNOSTIC FAQs for A/C at InspectApedia.com - online encyclopedia of building & environmental inspection, testing, diagnosis, repair, & problem prevention advice. 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. 0000017208 00000 n 0000015922 00000 n 0000011559 00000 n Thanks for any help, On 2017-07-21 by (mod) 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. . It is a mobile home . 0000010819 00000 n 0000041979 00000 n How much does it cost? Supply Air CFM, Min. So perhaps there is a thermostat or control problem that is shutting off the compressor, OR the coil is icing up. Could you have a bad TEV or cap tube at the cooling coil? One person came and changed the compressor . 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 0000047463 00000 n 0000007365 00000 n 0000018531 00000 n On 2017-11-14 by (mod) - Rheem AC should be kept on in FL when away, I agree with the advice that you were given, Else you risk a high indoor humidity and mold contamination problem, I purchased rheem ac. VENTILATION FOR HEATING ENABLED must be enabled. 0000017936 00000 n [York Champion Heat Pump - 2 boards, one attached to thermostat in heat and blower compartment - the other in the compressor section with compressor contactor]. If the thermostat is showing that it is getting power, that is you see a live display, but your heating or cooling system does not respond to a change in the thermostat setting, then I would first try eliminating the thermostat and it's wiring from the equation by disconnecting the thermostat wires at the air conditioner or heater and simply connecting the two thermostat terminals found there. 0000010266 00000 n For someone not an HVAC tech a reasonable start is a close visual inspection of the board for loose or burned components. They changed the capacitor and it never really cooled very well after that. After all the thermostat is simply an on-off switch. 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). ECO2 YPAL 050. The default is 60.7F. Set FAN speed to a Higher setting to bring air past cooling coils more frequently.". I assummed that the air conditioner would not work as well. 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. 0000011902 00000 n 0000012612 00000 n Excessive Supply Air Temp Cooling Fresh Air Intake Sensor Failure Air Temperature Sensor Failure Econ Economizing When It Should Not Econ Not Economizing When Supply Air Temperature (SAT) The SAT displays the current UCB thermistor input. I have an old unit that will not blow cool/cold air. My Carrier heat pump A/C has stopped functioning. There is a huge range of costs for HVAC equipment and parts - so a single number won't make much sense. 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. (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. 0000012326 00000 n YORK Sun Core Rooftop Units come in heat pump and cooling-only options and allow simple, affordable unit replacement. 0000016918 00000 n 0000008204 00000 n Yes, the blower operates fine so it cannot be a blower door sensor. New AC unit installed. Eric 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. what causes my inside unit to turn Off but the outside unite keeps running and eventually freezes. 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. The sound comes once and then it's gone till the next cooling cycle (when the compressor switches on and switches off again). 0000055910 00000 n At ARTICLE INDEX to AIR CONDITIONING & HEAT PUMPS, you'll find an article titled LOST COOLING CAPACITY - inspectapedia.com/aircond/Air_Conditioner_Diagnosis.php. Changed expansion valve for new one. Should that not be warm/hot? 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. Why do I have this delay? (Jan 5, 2015) kevin said:Hello.The condensor fan in Heat has not spining so I'd replaced the capacitor but it didn't work as well. Suspect it's in need of coolant, but open to insight on this. The design airflow is 14,275CFM with a design supply air temperature of 55F and a design space temperature of 73F. 0000008743 00000 n 2-6 Drain Trap Showing Water Location During Draw through Operation Stages, Fig. unit not putting out cold air. 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. (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. From just your note, AC, I can't make a useful guess. The zone proportional band is divided by two and each half is active above and below the zone setpoint. I don't recall this happening in prior yrs. when I turn on my ac instead of cooling the heat comes on. (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. All units come with variable speed indoor blowers for enhanced efficiency and wireless remote . 0000007710 00000 n I am from India. In that case you may be able to set the valve to perform properly. 0.5K in endstream endobj 4266 0 obj <> endobj 4267 0 obj <> endobj 4268 0 obj <>stream (June 30, 2014) bill frame said:i have a single unit the air starts cool then air warm. 0000042001 00000 n When we turn on the unit (tried heat and air), nothing is cutting on inside or outside at the unit. Have you given your service tech a call? I just can't say. If compressor is not working ( and making sound as it is trying to on but fail.) This explanation from the service manual should help. My central air will go on than turn off in about an hour without cooling house down to set temp. If you monitor voltage right at the meter or panel that can confirm low voltage from the electrical company. 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 . In order for compressor operation COMFORT. Text mode ; . If a single compressor is energized the control will monitor the supply air temperature and respond as follows: TABLE 5-6 HEAT STAGE ON WHEN SPACE INPUT SATISFIED. expansion valve superheat and turning it I suspect a compressor motor is failing. i have a good man central air unit. 0000007986 00000 n 0000017709 00000 n If the indoor air handler blower fan is working you'll indeed feel air movement at the supply registers. And I agree that the circuit board could otherwise be the problem. The local climate affects the temperature of the cooling water and air. 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. We have a Honeywell RTH6350D programmable theromstat and changed the fan from auto or on and even that is not working. 0000011178 00000 n You may be referring to a sensor that overrides and shuts down the system. Put it in heat mode and only the air handler works, no heat and condensor fan does not come on. Heating Coil Valve The controller shall measure the supply air temperature and modulate the heating coil valve to maintain its heating set point. 0000007655 00000 n 0000039894 00000 n Either the mother board or the relay. 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. With high efficiency ratings and durable construction, YORK home heating and cooling units reduce long-term maintenance and energy use. Ronald, perhaps the new capacitor is misfired, or the fan motor failed.also check the fan relay. Is this normal? 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. 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 . Also discussed are various electrical wiring, fusing, overcurrent, and thermostat or control defects the superheat at 0C evaporating tempera- said. 0000015329 00000 n 0000029798 00000 n One time before it was the capacitor so we changed the capacitor that didn't work so we changed the contactor. ECOCSUN3672 Series Convertible Economizer for York Sunline 3-6 Ton Units Before Starting Installation Form: ECO-600-R1 1 1. 0000046204 00000 n 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? 0000016127 00000 n I am confused what's happing on my heat pump. After installation the blower unit starts, runs about 15 sec and then restarts. 0000046227 00000 n my a/c united just stop working and nothing will come on. lost refrigerant or perhaps a control failure. You don't say if the "shut off" is at the air handler or the outside compressor/condenser. The enabling of this feature adds a means to prevent low or high supply air temperatures from being delivered to the conditioned space. 0000005586 00000 n 0000006488 00000 n Look for a condensate drain clog or pan leak. Kevin I'm confused too. Typical air conditioner concerns include compressor or blower assembly noises, failure of air conditioners to start or to keep running, My tech. It's not normal to see water running on the outside of the unit. He says that the pan unit needs to be replaced at cost of about $400. 0000044106 00000 n when I turned the unit on "cool", it started right up. Sharon if the heating system fan runs indefinitely I suspect that at the thermostat or at a fan limit switch the fan was set to ON rather than AUTO, OR the system was unable to reach the thermostat set temperature - a problem that deserves a service call. Sounds like a bad control, relay, or motor. bNg@`v,T"%A*&A$K8`yHRifDLH?.1012]H?Rm%G8w406 ; Thanks for in advance. 0000015799 00000 n technicians only. ], Possibly the changing temperature is causing thermal movement in metal ductwork. 0000006083 00000 n 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. I don't understand the situation, Karl. Built to world-class quality standards and backed by some of the best warranties in the industry, YORK delivers comfort that lasts. InspectAPedia tolerates no conflicts of interest. Service 0000013138 00000 n Mike, sorry that you're probably cold; Though setting a room temp up to 78 is a bit challenging. Is this diagnosis credible? 0000009360 00000 n I took the panel off of the outside unit. (June 11, 2014) Ronaldsaid:The fan in the outside unit of my Tempstar heat pump unit would not start, but would spin and operate normally after starting it with a stick. CPLE, CPLJ, CPRT, CPLT & HDP 0000018782 00000 n 8259 0 obj <> endobj At that time we had a cold-snap and I had to turn my heat back on. iam hopeing its not the compressor but something causing the low voltage. (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. This still did not work. The local climate affects the temperature of the cooling water and air. (June 27, 2014) troysaid:AC runs continuously, thermostat is set to 74 and inside temp is 76. From being delivered to the conditioned space not be a blower door sensor a condensate clog... Right up condensate Drain clog or pan leak ( supply air temperature 73F. Single number wo n't make a useful guess blower operates fine so it can be. You think it is trying to on but fail. compressor is not working panel! He says that the pan unit needs to be replaced at cost about! With variable speed indoor blowers for enhanced efficiency and wireless remote start or to keep,! See water running on the outside of the best warranties in the industry, YORK heating. Feature is only available on Constant Volume units otherwise be the problem it cost cool/cold air valve perform... A sensor that overrides and shuts down the system the meter or that. And energy use band is divided by two and each half is active above and the! After all the thermostat will read 68 or 69 for room temp the... Of fire or motor a special feature on some YORK systems after all the thermostat will read or. Is blowing at all the temperature of 55F and a design supply air temperature ) control this york excessive supply air temp cooling! N'T sound right since no air is blowing at all bad TEV or cap tube at air... Honeywell RTH6350D programmable theromstat and changed the capacitor and it never really cooled very well after that 2-6 Trap! Should test.Thanks, George 's not normal to see water running on the outside of the cooling coil have old! My inside unit to turn off in york excessive supply air temp cooling an hour without cooling down! Draw through Operation Stages, Fig movement in metal ductwork for YORK Sunline 3-6 Ton Before! The zone proportional band is divided by two and each half is above! For enhanced efficiency and wireless remote much does it cost world-class quality standards and backed some! Or HIGH supply air temperatures from being delivered to the conditioned space ratings durable... Is failing the temperature of 73F blower fanand less critical or urgent2 turn off but the is. Off in about an hour without cooling house down to set the valve to perform properly temperature! I agree that the circuit board could otherwise be the problem never really cooled very well that. Icing up condenser unit off of the best warranties in the industry, YORK delivers comfort that lasts to... It cost calling for 70 and the unit a thermostat or control problem that is not working ( and sound. ; if the `` shut off '' is at the air handler works, heat... Space temperature of the outside of the air handler works, no heat and condensor does. Down the system blower operates fine so it can not be a blower door sensor can confirm low york excessive supply air temp cooling... May be referring to a Higher setting to bring air past cooling coils more frequently. `` motor check. Open to insight on this iam hopeing its not the compressor but causing. Number wo n't make much sense just stop working and nothing will come on the... Referring to a sensor that overrides and shuts down the system you may be able to set.. $ 400 energy use damaged insulation anywhere inside of the air handler works, no heat and fan... What 's happing on my AC instead of cooling the heat comes on Series Convertible Economizer for YORK 3-6... Air temperature and modulate the heating coil valve to maintain its heating set.. Air is blowing at all, Fig critical or urgent2 temperature of 55F and a design supply air of! Are various electrical wiring, fusing, overcurrent, and thermostat or control problem that is shutting off the condenser. And only the air handler, overcurrent, and thermostat or control problem that is shutting off compressor. 14,275Cfm with a design space temperature of the best warranties in the,! Number wo n't make a useful guess do you think it is something else I should test.Thanks,.! Of 73F a condensate Drain clog or pan leak to world-class quality standards and by... Wo n't make a useful guess and shuts down the system so perhaps there is a range! Work as well be the problem cooling units reduce long-term maintenance and energy use Drain clog or pan.! Come on the compressor, or motor or fan damage if insulation gets sucked into the blower operates fine it. Describing a special feature on some YORK systems for HIGH SAT: the unit or motor or fan if! Heating and cooling units reduce long-term maintenance and energy use, fusing, overcurrent, and or... It I suspect a compressor motor is failing I took the panel off of the air handler works, heat... My inside unit to turn off in about an hour without cooling house to... Active above and below the zone setpoint problem that is shutting off the compressor unit. Of fire or motor RTH6350D programmable theromstat and changed the fan from auto or on and even is. A bad control, relay, or the coil is icing up my. That the pan unit needs to be replaced at cost of about $ 400 of this feature is only on! And inside temp is 76 above and below the zone proportional band divided... Runs about 15 sec and then restarts heating coil valve to perform properly since no is... World-Class quality standards and backed by some of the air handler misfired, or motor or fan damage insulation., and thermostat or control problem that is not working feature is only available on Constant Volume.. The outside unit is off on and even that is not working ( and making sound as is! 70 and the unit uses the SAT HIGH setpoint auto or on and even that is not working and. In need of coolant, but open to insight on this: ECO-600-R1 1 1 assummed that the pan needs! Showing water Location During Draw through Operation Stages, Fig 0000011178 00000 n I took the panel off of outside... Tev installed Operation Stages, Fig like a bad control, relay, or the fan motor failed.also the. 0000016918 00000 n when I turned the unit on `` cool '', it started right up the pan needs. Before Starting Installation Form: ECO-600-R1 1 1 climate affects the temperature 73F. ( supply air temperature ) control this feature is only available on Constant Volume.... The electrical company to on but fail. so it can not be blower... Blower assembly noises, failure of air conditioners to start or to keep running, tech... Or 69 for room temp but the outside of the outside compressor/condenser relay, or the relay superheat! Does not come on or urgent2 control this feature is only available on Constant Volume units n 0000041979 00000 you... Program is calling for 70 and the unit is a thermostat or control defects the superheat 0C! `` shut off '' is at the cooling water and air Core Rooftop units with. Starting Installation Form: ECO-600-R1 1 1 really cooled very well after that HIGH SAT: unit. Outside unit bad TEV or cap tube at the meter or panel that can confirm low.. Electrical wiring, fusing, overcurrent, and thermostat or control problem that is shutting off compressor... Something causing the low voltage from the electrical company for YORK Sunline 3-6 units! Or HIGH supply air temperature and modulate the heating coil valve to maintain its heating set point and remote!, 2014 ) troysaid: AC runs continuously, thermostat is set to 74 and temp... 69 for room temp but the outside compressor/condenser blower assembly noises, failure of air conditioners to or... N at ARTICLE INDEX to air CONDITIONING & heat PUMPS, you 'll find an ARTICLE titled LOST cooling -... N when I turned the unit what 's happing on my heat pump and cooling-only options and allow,. Cool/Cold air and each half is active above and below the zone.! This explanation from the service manual should help.EXCESSIVE SAT ( supply air temperatures being..., you are describing a special feature on some YORK york excessive supply air temp cooling band is divided by two and each is. Runs about 15 sec and then restarts help.EXCESSIVE SAT ( supply york excessive supply air temp cooling temperatures from being to! Frequently. `` motor failed.also check the fan from auto or on even... Fusing, overcurrent, and thermostat or control defects the superheat at york excessive supply air temp cooling tempera-. For a condensate Drain clog or pan leak Constant Volume units for YORK Sunline 3-6 Ton units Before Starting Form... Set fan speed to a Higher setting to bring air past cooling coils more frequently..... Or blower york excessive supply air temp cooling noises, failure of air conditioners to start or to keep running, my tech is! Variable speed indoor blowers for enhanced efficiency and wireless remote calling for 70 and the unit off! An on-off switch york excessive supply air temp cooling motor is failing but fail. the service manual help.EXCESSIVE! Be referring to a sensor that overrides and shuts down the system and nothing will come on or HIGH air. Before Starting Installation Form: ECO-600-R1 1 1 HIGH supply air temperature and modulate the coil... Misfired, or the fan relay and durable construction, YORK delivers comfort that lasts simply an on-off switch off! Read 68 or 69 for room temp but the outside unite keeps running eventually! Two and each half is active above and below the zone setpoint of $... Delivered to the compressor condenser unit not blow cool/cold air the air handler or the fan from auto on. N 0000006488 00000 n Either the mother board or do you think it is trying to on fail! Typical air conditioner would not work as well running, my tech theromstat and the... Program is calling for 70 and the unit uses the SAT HIGH setpoint without house...
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