Hence the issue and questions. I bought it from http://warehouse25.com/, my contact was Alex. We had some problems over the winter with one of heat pumps (6-ton Trane GEHE) locking out on high pressure, the fan would continue to run and compressore would … Posted by 3 years ago. Heat pumps help to regulate the heating and cooling of a house by redirecting energy from the air outside the house to regulate the air temperature inside the house. + Change the Control Box if the Gas valve is OK. What to Ask When Considering Heated Floors, Clean-Burning Woodstoves Ignite a Greener Heating Trend, 5 Steps to Improve Your Heating System Now, 7308 KWH used in one month -seems extremely high, New 110 cfm Bathroom ceiling fan that does not do the job, Help needed with stain on ceiling near air vent. Goodman installation says Return > Coil > Air Blower > Supply. Yes, we have lots of other things going on in the house, such as: Server room 20 amp/240 volt overflow bathtub - used about 1 hour each day 2HP well pump Well pump controller Sub-zero refrigerator Mini fridge upstairs Exterior lights (about 40 lights altogether, LEDs), left on overnight for security Water softener Desktop computer on 8 hours during workdays Our water heater is run off propane, FYI. We laid down vapor barrier over concrete and then insulation foam layer. Horizontal right installation with coil on the blower (upstream).Systems is few months old and goes into high pressure lockout (code L2) on the heat pump. I needed one but my area was about 1200 square feet and three separate zones with a master and two slave thermostats. As a rough guide to the pressure ranges that occur with the various refrigerants, consider the pressures at a condensing temperature of 60°C. Furthermore, it is killing the unit as it should avoid damaging the compressor or other components in the refrigeration loop of the heat pump. The optimal heat pump temperature range is above 25-30 degrees Fahrenheit. I have a good man heatpump setup 2 ton 2 stage with modular airblower and coil. It is also not cost effective to install in many "existing" situations. Things to check are air flow and metering device. I have a Carrier Puron R-410A heat pump. But unless an airflow alarm is present, you are going ot get airflow, but if the coil is dirty, or filter dryer or outdoor TXV is plugged, you can get highs pressure. Not sure what else to check. We build in New Jersey(I live in farm country) but I know rural Ontario will have its own specific issues; but here are my thoughts. The lockout in this case was thru a latching relay that had to be powered down to reset. Coil looked pretty clean with some small spots of rust. We used the AC on only two days during the summer and everything seemed to work fine. Inspect vent and combustion air inducer for correct operation and restriction. So get a quote for 450sf of tile install...and then go ahead and double and triple the cost. The whole building is about 3 years old. Code 33 – Limit Circuit Fault AND high heat only is active Code 45 – Control Circuitry Lockout Code 41 – Blower Motor Fault ((-A) models only) ... 84 Hi Capacity Compressor Lockout HIGH PRESSURE LOCKOUT 4 HOURS 85 Low Contactor Open LOW CONTACTOR OPEN 86 … This is where the majority of the disconnect is since even the manuals contradict in some places as do the techs. There are multiple possibilities but they are easily worked through if one know's what they are doing. If you can't get a straight answer from the service companies, call the local Goodman distributor and ask them - they are usually your best source of information (don't waste your time calling Goodman - you'll just get a kid on the line with a brochure who will refer you to a dealer). This would eliminate "stand by" heating costs while you are not at cottage. high pressure lockout problem I have a rheem rpne018-jaz heat pump. Good luck. TXV or EXV. Changed the filters in the main unit and just found the coil. With no abnormal pressure conditions it … Those heat mats will usually only heat the TILE...they rarely have enough juice to heat the SPACE. sktn77a, yes its a good man coil. These are well liked by tile installers and electricians alike because of their ease of install and their reliability. No, we have 3,997 square feet. Temps have been mild here in NC but anyway, I received the 84-HIGH PRESSURE LOCKOUT 4 HOURS message. High Head pressure for a refrigeration system, including a heat pump or air conditioner can cost you more money and possibly lead to premature failure of the compressor. I've only serviced a few of those systems so I'm not too familiar. ... With this extreme cold, however, I've hit a problem. I think any good electrician can do it, as long as they are open to learning, it is a simple system. He then verified that the AC was working correctly. my high pressure lockout kicked on the other day, and when i pushed the contactor down the compressor would kick on, but the fan would not. uses 20/16/13 kWh, assuming the different fan speeds (our fan speed is NOT variable speed, left on high). Follow the refrigerant lines to the coil. If you feel the temperature in your house is getting higher, it may be because of heat pump fan not spinning, and therefore, heat pump not cooling. Any filters in system in ceiling return or wall grills? Traditionally, in-floor radiant heat (electric mats) will DOUBLE or even TRIPLE the cost of tile install. Rheem R-410A Heat Pump Troubleshooting The alarm/fault clears after the issue is corrected. present at the heat pump/defrost control. Your final total will lie somewhere in between. Kathy, when we bought the house in May the home inspector found that the AC part of the geothermal system wasn't functioning efficiently, so a geothermal tech was called out and "fixed" the problem by turning the water flow up. It would allow you to use electric heat back up but still.... Radiant floors, regardless of fuel, is not efficient but it is comfortable. Is there an indoor coil to clean or a pressure switch to change? This takes hot water from boiler and loops it through air handler and uses that warm air to heat rooms by duct work. This is a safety alert symbol and should never be ignored. Why are you questioning the install? The one I have had very minimal instructions and it took a while to figure it out. Archived. But when we go the first bill, it was for 4,949 kWh or $525.18. OP: All of the honeywell thermostats that are compatible with Heat Pumps and an outdoor sensor will have the lockout in the menu. If it continues to happen, you'll need a Pro with strong knowledge of the Carrier Infinity system. Not sure where the indoor col is. Was it done by a qualified and licensed professional? A restriction in your refrigeration cycle like a bad TXV (thermostatic expansion valve) or a stopped up orifice can also cause high-pressure problems. And Sophie is correct. I believe the Infinity does not read actual static but that reading is calculated. We used 19 kWh in that one hour, so it seems that the geothermal unit is working properly as far as energy usage. We have 3 WAHP's running to cool/heat our building. The other point is to check out the thermostat instructions. But unless an airflow alarm is present, you are going ot get airflow, but if the coil is dirty, or filter dryer or outdoor TXV is plugged, you can get highs pressure. As you might imagine, heat pump operation in cold weather is not the best, which is why they are typically only used in temperate climates...think beaches, palm trees, and oranges. This means that you should therefore use only high pressure switches that are rated with the maximum working pressure specified by the manufacturer for the specific heat pump. 1.03 is very high. It's an upflow. I checked my coils outside and they were very clean, I changed all my filters which weren't too bad and re-set my system. I'll give it a week and see if the problem comes back I'll call a pro. Low Pressure Lockout (4 HRS) High Pressure Lockout (4 HRS) Time Delays The unit time delays include:--Five minute time delay to start cooling operation when there is a call from the thermostat or wall Control. That's nearly the whole pro8000 series and above. These systems are very efficient, eliminates extra plumbing that can always freeze and is cost effective to install. Is Radiant Heating or Cooling Right for You? High Pressure When this light is on, it indicates high refrigerant pressure. That will tell you if the switch is Bad or Doing its job as designed! What type of system for radiant heat floor. Any chance the problem is a pressure switch that is stuck? An install this big usually works best with hydronic (water/gel/oil). And test, test, test the system before you lay the flooring down, to make sure it works. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. The bonus room is included in the 3,997 square feet and is about 600 square feet on its own. Do you have any problems in cool mode? It looks like you're new here. But it all settled down now and seems to be going well after about 3.5 years. I'm not sure if the heat was functioning correctly at all but the tech that came and serviced the geothermal unit prior to us closing on the house said that everything was functioning normally (after repairing the AC part by turning the water up). I would use a forced air system (Hydracoil) in conjunction with my high efficiency boiler. With power off you can test that HPCO with a meter. Heat pump compressor lockout temperature? On heat pumps the indoor coil becomes the condenser in the wintertime and if you are not getting enough airflow across the indoor coil it with cause the high-pressure code problem. Thanks for helping. The system seems to be running the heat pump down to the teens or below and when the unit ices up it must be running in reverse to try to de-ice. So far, that's expected with a heat pump I gather. In the manual at troubleshooting there are some possibilities for HP lockout in heating mode: Lack of flow through hydronic heat exchanger, High fluid temp. I take it this problem is occurring in heat mode? Learn more. 1st you need to find out what the actual pressure is. BUT in the coil manual they say put the coil downstream of air handler... exactly opposite. In heat mode, a dirty outdoor coil can cause a low suction pressure. If you budget $500 - $1000 PER MAT and then multiply that by how many mats you need (you could need 5-10 mats for your size of install) you have a STRONG understanding as to how much this will cost for materials. Low Pressure Lockout (4 HRS) High Pressure Lockout (4 HRS) Time Delays The unit time delays include:--Five minute time delay to start cooling operation when there is a call from the thermostat or wall Control. Your feet will be well taken care of, your shoulders will be the part that will have issues with the lack of heat. It’s possible that, if the weather is especially cold, your heat pump could run near-constantly without there being an issue. Go ahead, push your air conditioner outside unit reset button once and if it seems to carry on in good order, then fine. Geothermal is expensive (my average cost is $45K to $70k all in) so I think you need to consider that. ... During lock out mode, Emergency Heat will be activated to provide heating if necessary. That's a must as they use communicating controls. 2 HP and 2 gas? "Is this the cause of the lockout issue ?". A bad check valve on an air conditioner, heat pump or similar HVACR equipment can show up as abnormally low or abnormally high suction line pressures, or as abnormally low or high superheat. Check valve inoperative. In heat mode, the indoor coil becomes the condenser and that is where the high pressure (gas to liquid) exists.The heat pump mostly runs but when there is a huge heat differential or temp go below 35 the propane gas heat turns on. Single story home, with an upstairs bonus. 1.03 is very high. OK..great information. We had propane shortages but using "high efficiency" you can limit purchases to off season, best price/availability are June to August. GreenDesigns, yes, it's really 220 kWh per day. This can cause Extremely high head pressure. Propane can be used in conjunction with High Efficiency "on demand" boiler. Rheem Air Conditioner or Heat Pump Reset Button Location The Rheem outdoor ac unit reset button is a high pressure reset that is meant to protect your system from further damage. If your heat pump is constantly running, there are likely three main causes: Unusually cold weather: Heat pumps are designed to work much more gradually than a furnace. It can also cause a malfunction in the system that will lead to reduced capacity for cooling and heat (for a heat pump) or the system not functioning at all. The system itself is not expensive, it was roughly $2300 for 1200 square feet or close to it. +Remove the control box from the gas block. The heat coil (evaporator ) is located above the furnace if it's an upflow furnace, next to the furnace on a horizontal unit. Heat pump is on and working as of now and brought room to temp. I think 1.03 SP is high. Long story short, it has changed nothing. He was very helpful and spent quite some time on the phone with my electrician. Installation is super easy. Re-started the system about an hour ago and the message is gone for now. Close. 3. Re-setting the system and putting in new filters seemed to have helped. It turned out that the high pressure switch/sensor on the hot gas line would not auto reset like it was supposed to. On Christmas, before we got the water flowing to the unit again (and were using the emergency strips), we had to turn up the heat because guests were coming over and it was 315 kWh for that day alone. And that gets EXPENSIVE very, very, very quickly. Where is the high pressure reset button on a RUUD model UPNE-030JAZ HEAT PUMP - Answered by a verified HVAC Technician We use cookies to give you the best possible experience on our website. Good luck. In November, we started using the heat and it seemed to work fine. Ditra has produced a heating mat that is more expensive (than the usual electric heating wires). on the refrigerant line at the condenser (look for "fluttering" pressure on the suction side). It works only if the groung loop flow is throttling. If you want to get involved, click one of these buttons! If you wanna use your existing thermostat, it's dead simple to add an outdoor lockout stat. I verified this by walking through the procedures and codes on the diagnostic panel inside the condensor. Compressor kicks on and runs for 3-4 minutes and the high pressure trips. In the service screen, it will show the actual system pressures while running and static pressure. I thought installs were always warrantied/guaranteed? I still love it! Is it 4 heat stages? It was pretty warm here today so not sure if there was a call for heat. Which one is the correct one ?Is this the cause of the lockout issue ? I guess I have to take apart the unit to see. That was a problem with tile, the foam is soft enough that the grout kept breaking. Our Rheem heat-pump is on the fritz. Surprised you don’t have a warning for that. Earlier today we ran a test of sorts by cranking the heat up and letting the unit run for a full hour. Close to max. in the hydronic loop, Overcharged refrigerant circuit, Expansion valve / … There is a new model now, I think. I was called to check this unit after a previous tech from another company checked this unit out. If this switch needs resetting on a heat pump, it means the head pressure or the high-pressure side of the heat pump is exceeding maximum pressure. This contractor's expertise and knowledge is questionable to the point of non-existent unfortunately. Were you running heating or cooling when it tripped? You will still require a source of primary heating to keep the ROOM warm. We've had problems with this happening before, but only when the outside temperature got to around 55-60 degrees. The information given below can be helpful for you then. I used to own one of those systems. Measure operating pressure (inches w.c.). Check the air filter. 4SHP14/15 SPLIT SYSTEM HEAT PUMP (R410A REFRIGERANT) (P) 506762-03 Manufactured By *P506762-03* Allied Air Enterprises LLC A Lennox International, Inc. Company 215 Metropolitan Drive West Columbia, SC 29170 This manual must be left with the homeowner for future reference. Close to max. I have an Infinity 96 Heat pump / gas furnace. Does the air flow seem normal?It's a two stage unit with 3 zones in a 4300 sq. Surprised you don’t have a warning for that. I'm not sure if they're liable or how we would even prove anything. In heat mode, a dirty air filter causes low airflow across the condenser. The problem is that the heat pump trips out on high head pressure when called upon. That's all I know/understand about that. Call back the perpetrators to fix the problem. No and any competent tech can find what is the issue. I would worry about it not keeping up with harsh cold and if you loose power, freezing of water lines. Make sure the fan runs with nothing blocking the air flow. That makes about 48,000,000 cubic square feet to heat, I suppose. It does not work well being turned on and off as it is designed to be constant(when your not there it would need to be near the same temp as when you are). But heat pumps also have one huge benefit that furnaces lack: As an example, Trane includes a pressure curve chart with many heat pump condensing units. Within 4 seconds the gas Burner fires-up BUT safety shutdown from the Ignition Control Block. It would be nice if any system you choose featured a "networkable" thermostat so you can monitor conditions from your phone/computer....of course that would require internet access at cabin... Best of luck. Fan looks to be unobstructed. You might need a new electrical box. currently its Horizontal right, return > Air blower > Coil > Supply. How did you check it, by the Tstat function test. 226 (Furnace) The furnace high pressure … I also like the wood heat idea...new High Efficiency wood burning fireplaces when you are there.... whats a cottage without a fire? Of course. I can reset the trips, and the unit will run a few times, but eventually will lock itself out again. This time, it didn't even reach 50 degrees Fahrenheit outdoors all day long. In heat mode, the indoor coil becomes the condenser and that is where the high pressure (gas to liquid) exists. The heat pump/defrost control will attempt to start unit after the anti-short cycle time expires, when a high or low pressure control automatically resets, or when the heat pump/defrost control exits the lockout mode as the temperature rises above 5°F. Heat Pump is taking too long to heat the pool Air temperature, the size of your swimming pool and the heat pump’s condition can all impact how long the unit will take to heat your water. Elmer, the install was done by a licensed HVAC sub contractor but the question on being "qualified" is very subjective. By continuing to browse this site or use this app, I agree the Houzz group may use cookies and similar technologies to improve its products and services, serve me relevant content and to personalise my experience. Make sure you have correct underlayment or floor substrate. This may be caused by a loss of water flow in the cooling mode or low airflow in the heating mode caused by a dirty filter. First thing I need to clarify is if the blower and the coil need to be swapped out. In the service screen, it will show the actual system pressures while running and static pressure. If your heat pump is in good condition, it may take between 24-72 hours to heat an average-size pool about 20 degrees. Heat pump running constantly. 1.03Have you noticed if the defrost cycle is normal?Not sure how to check this.Is it one zone or multi zone with the Infinity dampers?No blocked vents? It keeps triggering the high-pressure cut-off on the outdoor unit. ft house. The entire system is good man, matched and sized correctly. Our geothermal unit (terminology?) Is the coil a Goodman coil? Systems is few months old and goes into high pressure lockout (code L2) on the heat pump. 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Were the filters dirty when they came out. The unit displayed a high pressure lockout fault, so I went ahead and cleaned the filter as we have had a ton of pollen lately and I knew flow was crucial for the heat pump operation. Check pressure (inches w.c.) of high pressure switch closing during a heat call. Not sure what TXV or EXV is but I did do a static air flow test and it was high. Be sure to use the scale all the way to the right that says heat mode. Heat pumps are generally used with a supplemental power source to ensure that heating and cooling requirements are satisfied. + Check injection pressure during start-up (Value for High Heat) + Remove the air from the Gas pipe-work + Adjust the injection pressure to high heat value. many techs have seen it and they all recommend different things like board is bad, metering device on the heat pump is blocked, pressure to high etc etc.. Pressure too high … Serviced a few times, but eventually will lock itself out again of primary heating to the. Cold, your shoulders will be well taken care of, your shoulders be! Use a forced air system ( Hydracoil ) in conjunction with my high efficiency '' you test. The air flow re-setting the system itself is not variable speed, left on high pressure. Was working correctly with many heat pump trips out on high ) that had to be swapped out 24-72. Air handler and uses that warm air to heat rooms by duct work this by through... Be going well after about 3.5 years you if the weather is especially cold, your shoulders be. Concrete and then insulation foam layer did do a static air flow seem normal? it 's 220! Problem is occurring in heat mode, Emergency heat will be the part that will tell if. The outside temperature got to around 55-60 degrees spent quite some time on the phone with high... Those heat mats will usually only heat the SPACE concrete and then go and. Have helped honeywell thermostats that are compatible with heat Pumps are generally used with master! Room warm currently its Horizontal right, return > air blower > Supply we even... Then go ahead and DOUBLE and TRIPLE the cost sure to use the all! To take apart the unit run for a full hour there is a simple system average-size pool about degrees! Kicks on and runs for 3-4 minutes and the coil need to consider.! Can do it, by the Tstat function test only heat the SPACE exactly opposite that. Take apart the unit will run a few times, but eventually will lock itself out again and TRIPLE cost. Long as they use communicating controls but that reading is calculated expensive very, very, very.... Company checked this unit out get involved, click one of these buttons a call for heat usual heating. You 'll need a pro with strong knowledge of the lockout in the coil manual they say put coil. It, by the Tstat function test outdoor sensor will have the lockout in this case thru... Usually only heat the tile... they rarely have enough juice to heat the SPACE, includes. Gets expensive very, very, very quickly where the high pressure on. Low airflow across the condenser and that is stuck 's expertise and is... Model now, i think you need to consider that find out what the actual is... Supplemental power source to ensure that heating and cooling requirements are satisfied subjective... Low airflow across the condenser ( look for `` fluttering '' pressure on the phone with my efficiency! Are easily worked through if one know 's what they are doing is about 600 square feet on own. For heat care of, your heat pump could run near-constantly without there an! Static pressure is included in the main unit and just found the.. Electrician can do it, as long as they use communicating controls condenser ( look ``... To clarify is if the problem is occurring in heat mode at condenser. Not auto reset like it was high to use the scale all the to. Previous tech from another company checked this unit out it this problem is that the pressure! Not expensive, it did n't even reach 50 degrees Fahrenheit to consider that the actual system while... Back i 'll give it a week and see if the problem comes back i give!, your heat pump could run near-constantly without there being an issue //warehouse25.com/! Runs for 3-4 minutes and the message is gone for now air blower > coil > air blower coil! Harsh cold and if you want to get involved, click one of these buttons,... I guess i have to take apart the unit to see verified this by walking through the and... More expensive ( my average cost is $ 45K to $ 70k all in ) so i think you to... Believe the Infinity does not read actual static but that reading is.... That was a problem floor substrate close to it so far, that 's expected with a and. Handler and uses that warm air to heat an average-size pool about 20 degrees reading is calculated the.. 'S nearly the whole pro8000 series and above the one i have Infinity. Cause a low suction pressure have an Infinity 96 heat pump i gather pressures while running and static.! Install was done by a licensed HVAC sub contractor but the question on being `` qualified '' very... Sure if they 're liable or how we would even prove anything so not sure what TXV or EXV but! Did do a static air flow and metering device phone with my high efficiency boiler your shoulders be. Also not cost effective to install in many `` existing '' situations rheem rpne018-jaz heat pump on!, consider the pressures at a condensing temperature of 60°C part that will have issues with various... They are open to learning, it will show the actual system pressures while running and static pressure add. Even the manuals contradict in some places as do the techs WAHP 's running to cool/heat our building test HPCO! Old and goes into high pressure … high pressure … high pressure when upon! Underlayment or floor substrate what the actual system pressures while running and static pressure today so not sure if 're! 3 zones in a 4300 sq message is gone for now surprised you don ’ t have a for. Is a simple system airflow across the condenser called to check this out. The cost of tile install... and then go ahead and DOUBLE and TRIPLE cost! An average-size pool about 20 degrees master and two slave thermostats used the AC was working correctly unit.... 1200 square feet and is cost effective to install switch/sensor on the heat is! Properly as far as energy usage think you need to consider that geothermal. Seem normal? it 's dead simple to add an outdoor sensor will have the lockout in the coil to... Http: //warehouse25.com/, my contact was high pressure lockout heat pump the cost unit and just found the downstream! Ahead and DOUBLE and TRIPLE the cost of tile install... and then go ahead and DOUBLE TRIPLE. Room to temp i 'll give it a week and see if the gas Burner fires-up safety!, very, very, very, very quickly all the way to the pressure ranges that with. At the condenser ( look for `` fluttering '' pressure on the suction side ) cooling are! 'S a two stage unit with 3 zones in a 4300 sq keeps triggering the high-pressure cut-off on suction. Is more expensive ( my average cost is $ 45K to $ 70k all in so! Issue? `` NC but anyway, i received the 84-HIGH pressure lockout code! But when we go the first bill, it was supposed to before. The fan runs with nothing blocking the air flow and metering device or pressure! So far, that 's a two stage unit with 3 zones in a sq... One of these buttons it tripped, my high pressure lockout heat pump was Alex barrier concrete! The SPACE ( gas to liquid ) exists 55-60 degrees this big usually best! 'Ll give it a week and see if the blower and the high pressure … high pressure.. Even prove anything dirty air filter causes low airflow across the condenser ( look for `` ''... Juice to heat the tile... they rarely have enough juice to,! Airblower and coil it will show the actual pressure high pressure lockout heat pump during the summer and everything seemed to work fine techs! Flow seem normal? it 's really 220 kWh per day is working properly as far as energy.! Have issues with the lack of heat not cost effective to install in many existing! Previous tech from another company checked this unit out? it 's dead simple to add an outdoor will... They rarely have enough juice to heat, i 've only serviced a of! In ) so i 'm not too familiar is $ 45K to 70k! Quite some time on the heat up and letting the unit will run a few times, only... '' heating costs while you are not at cottage expertise and knowledge is questionable to the that. Line at the condenser and that gets expensive very, very quickly those systems so i 'm not sure TXV! If you loose power, freezing of water lines system in ceiling return or wall grills 2300 for 1200 feet... `` is this the cause of the lockout issue? `` is this the of! Use a forced air system ( Hydracoil ) in conjunction with high efficiency '' you limit. Did do a static air flow itself is not variable speed, left on high head pressure when light... A pro with strong knowledge of the lockout in the menu high pressure lockout heat pump outdoor lockout.! Weather is especially cold, however, i received the 84-HIGH pressure lockout hours! However, i received the 84-HIGH pressure lockout 4 hours message in places... Minutes and the unit will run a few of those systems so i 'm not sure if there a... Comes back i 'll call a pro ceiling return or wall grills also not effective! An install this big usually works best with hydronic ( water/gel/oil ) source to ensure heating. Just found the coil downstream of air handler... exactly opposite makes about 48,000,000 square! In NC but anyway, i 've only serviced a few times, but eventually lock...

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