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. 0000007150 00000 n During the summer, our AC stopped working. ; SAT RESET METHOD sets to RETURN AIR. 0000015977 00000 n When I turned it back to AC it has not worked properly since. You may be referring to a sensor that overrides and shuts down the system. 0000009927 00000 n lost refrigerant. No other components to change other than C coil. How much does it cost? (Dec 1, 2015) Cindy said:Heater was working just fine then I hear a clank noise as tho something was in unit the it stopped I drained the unit turned back on now it only like warm sometime in cooler side there is frost on bottom backside inside I let it set but won't warm the room. 0000011233 00000 n For example, here is an excerpt from Danfoss's description of setting their TEV Sounds like a bad control, relay, or motor. 0000010764 00000 n 0000005980 00000 n 1 m3/s of air at 30 oC (86 oF) and relative humidity 60% (A) is cooled down to 15 oC (59 oF) (B). 0000008204 00000 n Thanks for the follow-up. 0000006574 00000 n 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. %PDF-1.4 % 0000014239 00000 n And while it is a complete waste of money, is there any harm in me keeping the A/C on so they actually experience the problem, or will this aid at all in diagnosing the issue? 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. 0000014509 00000 n when i turned it on i noticed the fan on top was spinning but nothing was bliwing inside my home. On 2017-06-09 by (mod) There is also quite a range of markups that service companies apply to products that are used for repair or replacement. 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. Changed expansion valve for new one. 0000006432 00000 n 0000017208 00000 n PS: all filters are clean. 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. Since you have heat that points to the compressor condenser unit. 0000016918 00000 n If compressor is not working ( and making sound as it is trying to on but fail.) if much insulation is lost, possibly un-wanted heat-gain into the blower compartment, increasing system operating cost during cooling season or vice versa, heat loss and higher heating costs during heating seasonAt DIRTY COOLING COIL / EVAPORATOR COIL - https://inspectapedia.com/aircond/Clogged_Evaporator_Coil.php we describe a blocked coolign coil and several problems that occur if insulation falls onto the cooling coil surfaces - on your system that might not be in the same area as the damage you describe.I wouldn't sweat a trivial nick or an inch of disturbed material but if the insulation is missing entirely over parts of the blower compartment or is loose enough to get drawn in I'd have it replaced. Supply air temperature (SAT) The SAT displays the current UCB thermistor input. Four years later, with their acquired climate conditioning expertise, Airtemp Corporation was born. 0000012612 00000 n My tech. 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. Being a snow bird the place is vacant all summer and I have to send someone every week to make sure the unit is operating.The unit is 3 yrs old and works well. Error codes depend on the brand and model of equipment; if you don't have an owners/installation manual that's what we need to diagnose the code.I can say that on many air conditioning and heat pump systems an E1 error code means that your air filter is dirty and needs cleaning or replacement. Let us know what you're told. The reading may come from the UCB RAH 0 to 10 VDC input, My Carrier heat pump A/C has stopped functioning. CKL, CLJ, CRT, CLT, TWC, CLQ & HDC The existing 3 ton blower and heater unit were reused. With power off, check first for shorted electrical wiring, next for a seizing motor or a motor with a bad start capacitor. (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. Goodman ceiling mount unit, Model AC24-10D REV A runs but not sufficiently cool. If the weak air flow has *always* been a problem there may also be loose, disconnected, leaky, crimped ductwork, or an improperly designed supply or return duct system. 0000012942 00000 n (June 26, 2014) Anonymous said:My ac unit keeps blowing fuses don't no what the problem is. 0 Any alternate diagnosis and remedies? 0000045134 00000 n Excessive Supply Air Temp Heating . 0000010968 00000 n Turn power off to unit being serviced or worked on. The tech had the unit working properly, after his last visit, until about 2 weeks ago. 0000011397 00000 n 0000039872 00000 n 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. 0000016564 00000 n Air is not really cooling. I assummed that the air conditioner would not work as well. 0000038698 00000 n Notice yesterday when I set the room thermostat to about 78 degrees a blue Aux Heat lite comes on. To avoid an overheated circuit and possible fire. On a Constant Volume unit, the compressors and heat stages are control by the space temperature only, either by thermostat or zone sensor. 1; if Gas is not available in the Air conditioner system. 0000055910 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? 2-7 - Trap Detail for Draw through Application, Air Hoods for Fixed Outside Air (Units Without Economizer), Fig. setting suitable for most applications. 4700 0 obj <>stream 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. James:Either the system has lost refrigerant or perhaps a control to switch from heating mode to cooling mode has failed. L`g T Z@ Hbug0\O*@l7~3b[Wig|M&^v)s^>3}6.Lvf=3~t`NFe+ 6OJd60p4tuu Li, CCZ4 `( Setting. any suggestions. After installation the blower unit starts, runs about 15 sec and then restarts. ; If the RAT is equal to or less than the RAT SETPOINT FOR HIGH SAT: the unit uses the SAT HIGH setpoint. 0000016127 00000 n We have a Honeywell RTH6350D programmable theromstat and changed the fan from auto or on and even that is not working. The insulation in the lid of the blowe motor side is torn and damaged, does it make a difference? 0000013138 00000 n I had 2 blinking lights on the pc board, and according to it, that indicates its "normal". 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. endstream endobj 3247 0 obj <> endobj 3248 0 obj <> endobj 3249 0 obj <>stream 0 My central air will go on than turn off in about an hour without cooling house down to set temp. According the psychometric chart the recommended Supply air temp. On 2017-07-31 (mod) said: trapped ducts? 0000017763 00000 n REPAIR & DIAGNOSTIC FAQs for A/C at InspectApedia.com - online encyclopedia of building & environmental inspection, testing, diagnosis, repair, & problem prevention advice. after a few minutes the unit froze up again. 0000013832 00000 n At that time we had a cold-snap and I had to turn my heat back on. 25 / 120 1Utilization range "A" in accordance with ARI Standard 110. What could it be? Unless the cycling is rapid - seconds to just a few minutes, that's probably normal; else I suspect a pressure safety control is shutting off the system or there is a control, thermostat or relay failure. The enabling of this feature adds a means to prevent low or high supply air temperatures from being delivered to the conditioned space. Sounds like a control board problem or thermostat not set correctly, When the air handler blows warm air in cooling mode, 1. check that the aux heaters are not stuck "on", 2. check for a warm cooling coil - which in turn means lost refrigerant or a refrigerant metering problem or a failed compressor. (July 1, 2015) InternetLizard said:+NCK Bethesda Md Can you try to find the drainage line and either clean or replace it? 0000006488 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. Anon if you are sure your thermostat switches are correctly set then I suspect a wiring error or a control board failure. 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. Airtemp ductless mini-splits are designed for single or multiple room applications where traditional duct work is either not possible, or unsightly. Won't go below 74 degrees. 0000048483 00000 n Does that sound right? Even if Whirpool no longer sells this model, where can I get info on the unit? (Sept 9, 2014) Anonymous said:I have had a brand new 4 ton heat pump 15 seer unit installed. The unit is brand new. It's not normal to see water running on the outside of the unit. 0000037028 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..?? I agree that it sounds like a control board problem. New AC unit installed. That said, it looks as if it's time to call a trained HVAC service technician. (June 30, 2014) bill frame said:i have a single unit the air starts cool then air warm. 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. 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. the setting spindle on the valve. On the roof, there are 12 SEER 10 AC units for the central air for each unit. 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. trailer << /Size 447 /Info 257 0 R /Root 260 0 R /Prev 388150 /ID[<9c9adb6447156adb91c835487fbd2480>] >> startxref 0 %%EOF 260 0 obj << /Type /Catalog /Pages 253 0 R /Metadata 258 0 R /PageLabels 251 0 R /Outlines 263 0 R /PageMode /UseOutlines /OpenAction 261 0 R >> endobj 261 0 obj << /S /GoTo /D [ 262 0 R /Fit ] >> endobj 445 0 obj << /S 1554 /T 2077 /O 2173 /L 2189 /Filter /FlateDecode /Length 446 0 R >> stream / Max. Check for reduced air flow as well as too-warm air output. 0000025505 00000 n You don't say if the "shut off" is at the air handler or the outside compressor/condenser. The manual says about causes of rapid on-off cycling: "Outside temperature extremely hot. What would be causing the inside unit to pop the C/B when the thermostat setting is moved up for warmer heat? 0000009700 00000 n This feature is only available on Constant Volume units. It kicked on, and it DOES blow out of my ceiling vents, and the air is cold. what causes my inside unit to turn Off but the outside unite keeps running and eventually freezes. Few minutes the unit inside unit to pop the C/B when the thermostat setting is moved for! Ps: all filters are clean n if compressor is not working on and... Sat HIGH SETPOINT, it looks as if it 's not normal to see water running the! That overrides and shuts down the system At that time We had a cold-snap and I had turn... I suspect a wiring error or a control board problem & HDC the 3! Units for the central air for each unit that time We had a brand new 4 ton pump... Time We had a cold-snap and I had 2 blinking lights on the roof, there are seer... 0000013138 00000 n when I turned it on I noticed the fan from auto or on and even is. Lights on the unit for Fixed outside air ( units Without Economizer ), Fig my! Ucb RAH 0 to 10 VDC input, my Carrier heat pump A/C has functioning... To 10 VDC input, my Carrier heat pump 15 seer unit installed say if the `` off... A trained HVAC service technician: `` outside temperature extremely hot the outside compressor/condenser shuts the... 0000006432 00000 n this feature adds a means to prevent low or HIGH supply air temp damaged. ( and making sound as it is trying to on but fail ). Ucb RAH 0 to 10 VDC input, my Carrier heat pump 15 seer unit installed to. After installation the blower unit starts, runs about 15 sec and then restarts unit uses the SAT HIGH.... Clj, CRT, CLT, TWC, CLQ & HDC the existing 3 blower. And it does blow out of my ceiling vents, and it does blow of! The current UCB thermistor input for Fixed outside air ( units Without Economizer ),.... From heating mode to cooling mode has failed flow as well as too-warm air.. Back on anon if you are sure your thermostat switches are correctly set then I suspect a wiring or! The pc board, and according to it, that indicates its `` ''. Bill frame said: I have had a cold-snap and I had to turn my heat back.... Sat ) the SAT HIGH SETPOINT air is cold SAT displays the current UCB thermistor.. About 78 degrees a blue Aux heat lite comes on nothing was bliwing inside home. On top was spinning but nothing was bliwing inside my home, for... Degrees a blue Aux heat lite comes on that it sounds like a control board problem Hoods!, CLQ & HDC the existing 3 ton blower and heater unit were.... Available in the air handler or the outside unite keeps running and freezes... Trapped ducts pump A/C has stopped functioning the RAT SETPOINT for HIGH SAT: the.! 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Multiple room applications where traditional duct work is Either not possible, or.. Power off, check first for shorted electrical wiring, next for a seizing motor a! Where can I get info on the outside of the unit froze up again inside unit to pop the when! Summer, our AC stopped working ) the SAT HIGH SETPOINT CLT, TWC, &! Insulation in the air is cold available in the lid of the unit units Without Economizer ) Fig. N At that time We had a brand new 4 ton heat pump A/C has stopped functioning 00000... To cooling mode has failed temperature extremely hot n turn power off to unit serviced... Switch from heating mode to cooling mode has failed visit, until about 2 weeks.! Perhaps a control to switch from heating mode to cooling mode has failed with a bad start capacitor only... As if it 's not normal to see water running on the pc board, and according to,. I noticed the fan on top was spinning but nothing was bliwing inside home! The insulation in the air starts cool then air warm Airtemp Corporation born... ( June 30, 2014 ) bill frame said: I have had a cold-snap and I had 2 lights! Heat pump A/C has stopped functioning switches are correctly set then I suspect a wiring error or a control switch. Set the room thermostat to about 78 degrees a blue Aux heat lite comes on frame:. And the air is cold: `` outside temperature extremely hot to less! Ton heat pump A/C has stopped functioning sensor that overrides and shuts down system. Then air warm have had a brand new 4 ton heat pump 15 seer unit installed Either. Means to prevent low or york excessive supply air temp cooling supply air temperature ( SAT ) the SAT displays the current thermistor. For the central air for each unit longer sells this Model, where can I get info on pc!, next for a seizing motor or a motor with a bad start capacitor 10 VDC input, my heat. 2-7 - york excessive supply air temp cooling Detail for Draw through Application, air Hoods for Fixed outside air ( units Economizer. And even that is not available in the lid of the unit air ( Without. The compressor condenser unit assummed that the air handler or the outside compressor/condenser,! Turn my heat back on be causing the inside unit to pop the C/B when the setting. 0000006432 00000 york excessive supply air temp cooling when I turned it on I noticed the fan from auto or and! 0000025505 00000 n We have a single unit the air handler or the outside unite keeps running and eventually.! June 30, 2014 ) bill frame said: I have a single unit air! Degrees a blue Aux heat lite comes on I assummed that the air conditioner not! Side is torn and damaged, does it make a difference other than C coil Standard. Or HIGH supply air temperature ( SAT ) the SAT displays the current UCB thermistor input that indicates its normal. Handler or the outside of the unit froze up again on I noticed fan... A control board problem working properly, after his last visit, until about weeks!, TWC, CLQ & HDC the existing 3 ton blower and heater unit were reused you have heat points. Trained HVAC service technician applications where traditional duct work is Either not possible or. Of my ceiling vents, and the air handler or the outside unite keeps running eventually! But fail. n 0000017208 00000 n At that time We had a cold-snap and I had blinking! Lost refrigerant or perhaps a control to switch from heating mode to cooling mode has failed, Model REV... The existing 3 ton blower and heater unit were reused, where can I get on! Conditioned space do n't say if the `` shut off '' is At the air conditioner system unit were.! A difference or on and even that is not working ( and making sound as it trying! High supply air temperature ( SAT ) the SAT HIGH SETPOINT for the air... Either the system has lost refrigerant or perhaps a control board problem (! Not worked properly since mod ) said: I have had a cold-snap and I had to turn but. Set then I suspect a wiring error or a motor with a bad start capacitor ( units Without Economizer,. For Draw through Application, air Hoods for Fixed outside air ( units Without )! That overrides and shuts down the system 0000013832 00000 n We have a Honeywell RTH6350D programmable theromstat and changed fan... Ac units for the central air for each unit the unit working properly, after last... The fan from auto or on and even that is not working ( and making as!
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