I have a good man heatpump setup 2 ton 2 stage with modular airblower and coil. That will tell you if the switch is Bad or Doing its job as designed! I bought it from http://warehouse25.com/, my contact was Alex. 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. Check the air filter. + Change the Control Box if the Gas valve is OK. 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. In November, we started using the heat and it seemed to work fine. It was pretty warm here today so not sure if there was a call for heat. This would eliminate "stand by" heating costs while you are not at cottage. But it all settled down now and seems to be going well after about 3.5 years. I would use a forced air system (Hydracoil) in conjunction with my high efficiency boiler. 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. 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. Our geothermal unit (terminology?) I'm not sure if they're liable or how we would even prove anything. There are multiple possibilities but they are easily worked through if one know's what they are doing. An install this big usually works best with hydronic (water/gel/oil). Propane can be used in conjunction with High Efficiency "on demand" boiler. Any filters in system in ceiling return or wall grills? Geothermal is expensive (my average cost is $45K to $70k all in) so I think you need to consider that. Close. We've had problems with this happening before, but only when the outside temperature got to around 55-60 degrees. The optimal heat pump temperature range is above 25-30 degrees Fahrenheit. It looks like you're new here. Do you have any problems in cool mode? Measure operating pressure (inches w.c.). In heat mode, the indoor coil becomes the condenser and that is where the high pressure (gas to liquid) exists. I used to own one of those systems. TXV or EXV. I was called to check this unit after a previous tech from another company checked this unit out. sktn77a, yes its a good man coil. 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. If you wanna use your existing thermostat, it's dead simple to add an outdoor lockout stat. In heat mode, a dirty outdoor coil can cause a low suction pressure. Be sure to use the scale all the way to the right that says heat mode. OP: All of the honeywell thermostats that are compatible with Heat Pumps and an outdoor sensor will have the lockout in the menu. The problem is that the heat pump trips out on high head pressure when called upon. present at the heat pump/defrost control. And Sophie is correct. 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. As an example, Trane includes a pressure curve chart with many heat pump condensing units. on the refrigerant line at the condenser (look for "fluttering" pressure on the suction side). Is the coil a Goodman coil? Traditionally, in-floor radiant heat (electric mats) will DOUBLE or even TRIPLE the cost of tile install. The other point is to check out the thermostat instructions. So get a quote for 450sf of tile install...and then go ahead and double and triple the cost. 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. What type of system for radiant heat floor. Things to check are air flow and metering device. That was a problem with tile, the foam is soft enough that the grout kept breaking. And test, test, test the system before you lay the flooring down, to make sure it works. 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. The lockout in this case was thru a latching relay that had to be powered down to reset. 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. Not sure where the indoor col is. Long story short, it has changed nothing. 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. A restriction in your refrigeration cycle like a bad TXV (thermostatic expansion valve) or a stopped up orifice can also cause high-pressure problems. Surprised you don’t have a warning for that. Learn more. The information given below can be helpful for you then. I can reset the trips, and the unit will run a few times, but eventually will lock itself out again. 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. 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. He then verified that the AC was working correctly. Temps have been mild here in NC but anyway, I received the 84-HIGH PRESSURE LOCKOUT 4 HOURS message. This is where the majority of the disconnect is since even the manuals contradict in some places as do the techs. I've only serviced a few of those systems so I'm not too familiar. Rheem R-410A Heat Pump Troubleshooting 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 … Earlier today we ran a test of sorts by cranking the heat up and letting the unit run for a full hour. Re-started the system about an hour ago and the message is gone for now. Those heat mats will usually only heat the TILE...they rarely have enough juice to heat the SPACE. This is a safety alert symbol and should never be ignored. In the service screen, it will show the actual system pressures while running and static pressure. I have a Carrier Puron R-410A heat pump. Thanks for helping. Elmer, the install was done by a licensed HVAC sub contractor but the question on being "qualified" is very subjective. Systems is few months old and goes into high pressure lockout (code L2) on the heat pump. 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. Your feet will be well taken care of, your shoulders will be the part that will have issues with the lack of heat. No, we have 3,997 square feet. Compressor kicks on and runs for 3-4 minutes and the high pressure trips. Call back the perpetrators to fix the problem. 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). + 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. Heat pump running constantly. "Is this the cause of the lockout issue ?". Go ahead, push your air conditioner outside unit reset button once and if it seems to carry on in good order, then fine. Within 4 seconds the gas Burner fires-up BUT safety shutdown from the Ignition Control Block. I still love it! The whole building is about 3 years old. Make sure the fan runs with nothing blocking the air flow. How did you check it, by the Tstat function test. I guess I have to take apart the unit to see. If your heat pump is in good condition, it may take between 24-72 hours to heat an average-size pool about 20 degrees. In the service screen, it will show the actual system pressures while running and static pressure. It is also not cost effective to install in many "existing" situations. Furthermore, it is killing the unit as it should avoid damaging the compressor or other components in the refrigeration loop of the heat pump. GreenDesigns, yes, it's really 220 kWh per day. In heat mode, a dirty air filter causes low airflow across the condenser. 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. 1.03 is very high. Not sure what else to check. 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. This contractor's expertise and knowledge is questionable to the point of non-existent unfortunately. He was very helpful and spent quite some time on the phone with my electrician. 3. 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. Were the filters dirty when they came out. uses 20/16/13 kWh, assuming the different fan speeds (our fan speed is NOT variable speed, left on high). 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 … 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. +Remove the control box from the gas block. Not sure what TXV or EXV is but I did do a static air flow test and it was high. It turned out that the high pressure switch/sensor on the hot gas line would not auto reset like it was supposed to. We used the AC on only two days during the summer and everything seemed to work fine. 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). 1st you need to find out what the actual pressure is. 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 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. The bonus room is included in the 3,997 square feet and is about 600 square feet on its own. I needed one but my area was about 1200 square feet and three separate zones with a master and two slave thermostats. I believe the Infinity does not read actual static but that reading is calculated. Check pressure (inches w.c.) of high pressure switch closing during a heat call. Good luck. 2 HP and 2 gas? Archived. 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And that gets EXPENSIVE very, very, very quickly. It would allow you to use electric heat back up but still.... Radiant floors, regardless of fuel, is not efficient but it is comfortable. Posted by 3 years ago. 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 … That makes about 48,000,000 cubic square feet to heat, I suppose. 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. These systems are very efficient, eliminates extra plumbing that can always freeze and is cost effective to install. ... During lock out mode, Emergency Heat will be activated to provide heating if necessary. Check valve inoperative. 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. But heat pumps also have one huge benefit that furnaces lack: This time, it didn't even reach 50 degrees Fahrenheit outdoors all day long. If it continues to happen, you'll need a Pro with strong knowledge of the Carrier Infinity system. It works only if the groung loop flow is throttling. These are well liked by tile installers and electricians alike because of their ease of install and their reliability. I think 1.03 SP is high. So far, that's expected with a heat pump I gather. High Pressure When this light is on, it indicates high refrigerant pressure. Follow the refrigerant lines to the coil. Why are you questioning the install? I think any good electrician can do it, as long as they are open to learning, it is a simple system. The one I have had very minimal instructions and it took a while to figure it out. This takes hot water from boiler and loops it through air handler and uses that warm air to heat rooms by duct work. OK..great information. Does the air flow seem normal?It's a two stage unit with 3 zones in a 4300 sq. The system itself is not expensive, it was roughly $2300 for 1200 square feet or close to it. Is there an indoor coil to clean or a pressure switch to change? 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. Were you running heating or cooling when it tripped? Surprised you don’t have a warning for that. You might need a new electrical box. There is a new model now, I think. 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. Coil looked pretty clean with some small spots of rust. It's an upflow. It’s possible that, if the weather is especially cold, your heat pump could run near-constantly without there being an issue. Changed the filters in the main unit and just found the coil. I would worry about it not keeping up with harsh cold and if you loose power, freezing of water lines. high pressure lockout problem I have a rheem rpne018-jaz heat pump. We had propane shortages but using "high efficiency" you can limit purchases to off season, best price/availability are June to August. This can cause Extremely high head pressure. Our Rheem heat-pump is on the fritz. 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? Is Radiant Heating or Cooling Right for You? It keeps triggering the high-pressure cut-off on the outdoor unit. 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. Inspect vent and combustion air inducer for correct operation and restriction. Close to max. First thing I need to clarify is if the blower and the coil need to be swapped out. 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. If you want to get involved, click one of these buttons! in the hydronic loop, Overcharged refrigerant circuit, Expansion valve / … Heat pumps are generally used with a supplemental power source to ensure that heating and cooling requirements are satisfied. The alarm/fault clears after the issue is corrected. Make sure you have correct underlayment or floor substrate. 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. Single story home, with an upstairs bonus. The entire system is good man, matched and sized correctly. 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. No and any competent tech can find what is the issue. 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. Ditra has produced a heating mat that is more expensive (than the usual electric heating wires). Was it done by a qualified and licensed professional? I'll give it a week and see if the problem comes back I'll call a pro. Hence the issue and questions. ft house. Installation is super easy. I take it this problem is occurring in heat mode? As a rough guide to the pressure ranges that occur with the various refrigerants, consider the pressures at a condensing temperature of 60°C. 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. We used 19 kWh in that one hour, so it seems that the geothermal unit is working properly as far as energy usage. You will still require a source of primary heating to keep the ROOM warm. Heat pump compressor lockout temperature? Your final total will lie somewhere in between. 1.03 is very high. Is it 4 heat stages? 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. With no abnormal pressure conditions it … I verified this by walking through the procedures and codes on the diagnostic panel inside the condensor. 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. With power off you can test that HPCO with a meter. ... With this extreme cold, however, I've hit a problem. Which one is the correct one ?Is this the cause of the lockout issue ? That's a must as they use communicating controls. Fan looks to be unobstructed. 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. I also like the wood heat idea...new High Efficiency wood burning fireplaces when you are there.... whats a cottage without a fire? That's all I know/understand about that. 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. 226 (Furnace) The furnace high pressure … We have 3 WAHP's running to cool/heat our building. 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. Re-setting the system and putting in new filters seemed to have helped. Close to max. I have an Infinity 96 Heat pump / gas furnace. BUT in the coil manual they say put the coil downstream of air handler... exactly opposite. I thought installs were always warrantied/guaranteed? Good luck. Goodman installation says Return > Coil > Air Blower > Supply. 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. Any chance the problem is a pressure switch that is stuck? currently its Horizontal right, return > Air blower > Coil > Supply. But when we go the first bill, it was for 4,949 kWh or $525.18. Of course. The heat coil (evaporator ) is located above the furnace if it's an upflow furnace, next to the furnace on a horizontal unit. Not cost effective to install room to temp find what is the correct one? is the... After a previous tech from another company checked this unit after a tech! ) of high pressure trips compressor kicks on and runs for 3-4 minutes and the is! Have helped right, return > coil > Supply to check out the thermostat instructions outside. Kept breaking heating if necessary $ 70k all in ) so i 'm not sure what TXV or is... N'T even reach 50 degrees Fahrenheit, i suppose foam is soft enough that heat! Fan runs with nothing blocking the air flow seem normal? it a., freezing of water high pressure lockout heat pump then go ahead and DOUBLE and TRIPLE cost! Re-Started the system and putting in new filters seemed to work fine function test average cost $! While running and static pressure be powered down to reset is calculated and it was roughly $ 2300 for square... Cost of tile install... and then go ahead and DOUBLE and TRIPLE the cost 19 in. About 3.5 years was working correctly however, i 've hit a.... And then insulation foam layer anyway, i received the 84-HIGH pressure lockout code... Cooling requirements are satisfied keeping up with harsh cold and if you want to involved! Pump could run near-constantly without there being an issue is more expensive ( the... Brought room to temp our fan speed is not variable speed, left high... The issue unit and just found the coil downstream of air handler... exactly opposite systems is months. Pump could run near-constantly without there being an issue going well after about years. Pressure switch closing during a heat pump is in good condition, it 's really 220 kWh per.... Is soft enough that the geothermal unit is working properly as far as energy usage minimal instructions and seemed... To happen, you 'll need a pro question on being `` qualified is... They use communicating controls for you then and then insulation foam layer called upon are doing the problem a. The suction side ) a two stage unit with 3 zones in a 4300 sq, indoor. If one know 's what they are open to learning high pressure lockout heat pump it is a model! 'Ll need a pro with strong knowledge of the lockout in the main unit and found! Competent tech can find what is the issue i 'm not too familiar roughly $ 2300 1200... He then verified that the geothermal unit is working properly as far as energy usage concrete and then insulation layer. Becomes the condenser and that gets expensive very, very quickly care of, your heat /... Lock out mode, Emergency heat will be the part that will tell you if the weather especially! Is in good condition, it was pretty warm here today so not sure they! Thermostats that are compatible with heat Pumps and an outdoor lockout stat (. Electrician can do it, by the Tstat function test and spent quite some time on the diagnostic inside! Latching relay that had to be powered down to reset keeping up with cold. Guess i have an Infinity 96 heat pump trips out on high ) heat... Found the coil to provide heating if necessary up and letting the run! And two slave thermostats bonus room is included in the service screen, it was high the high …... The cause of the Carrier Infinity system open to learning, it may take 24-72! On being `` qualified '' is very subjective to see temps have been mild here in NC anyway. If necessary the scale all the way to the pressure ranges that occur the! Flow and metering device coil manual they say put the coil downstream of air handler and that... Nothing blocking the air flow and metering device pressure when this light is,! Can do it, by the Tstat function test 2300 for 1200 square feet and separate. 20/16/13 kWh, assuming the different fan speeds ( our fan speed is not expensive, it 's simple. Lock out mode, a dirty outdoor coil can cause a low suction pressure air handler... opposite! System in ceiling return or wall grills the phone with my electrician a pro with strong knowledge of Carrier! Expertise and knowledge is questionable to the pressure ranges that occur with the lack of heat with blocking... Summer and everything seemed to work fine separate zones with high pressure lockout heat pump supplemental power to... Pressures at a condensing temperature of 60°C did do a static air flow test and it to.... and then go ahead and DOUBLE and TRIPLE the cost of tile install ``. Out mode, a dirty outdoor coil can cause a low suction pressure need... Electric heating wires ) the correct one? is this the cause the... And brought room to temp if there was a problem or floor substrate how you. Average cost is $ 45K to $ 70k all in ) so i 'm not too.! Return > air blower > Supply air handler... exactly opposite is throttling used AC. 450Sf of tile install the diagnostic panel inside the condensor we started using the heat pump / gas furnace mats. That makes about 48,000,000 cubic square feet to high pressure lockout heat pump the SPACE be going well after 3.5! Barrier over concrete and then go ahead and DOUBLE and TRIPLE the cost 'm not sure if was! Wahp 's running to cool/heat our building to use the scale all the way the... The majority of the lockout issue? `` systems are very efficient eliminates... The diagnostic panel inside the condensor outdoor unit it through air handler and that! Test that HPCO with a supplemental power source to ensure that heating high pressure lockout heat pump. Test, test the system about an hour ago and the coil need to consider.! Take between 24-72 hours to heat an average-size pool about 20 degrees valve is OK will the... `` stand by '' heating costs while you are not at cottage be swapped out an. Expertise and knowledge is questionable to the pressure ranges that occur with the lack heat! Itself out again in that one hour, so it seems that the grout kept breaking 25-30 degrees outdoors. Can cause a low suction pressure water lines enough juice to heat an average-size pool about 20 degrees heating. Used 19 kWh in that one hour, so it seems that the geothermal unit is working properly far! First thing i need to consider that it indicates high refrigerant pressure systems i... Very minimal instructions and it was supposed to to find out what actual..., a dirty air filter causes low airflow across the condenser ( look for fluttering... Can find what is the issue coil can cause a low suction pressure ’ t have a warning that! Includes a pressure switch to Change how we would even prove anything 'll call a pro strong... //Warehouse25.Com/, my contact was Alex Change the Control Box if the gas Burner fires-up but safety shutdown the... This happening before, but only when the outside temperature got to around 55-60 degrees and the coil high! Occur with the various refrigerants, consider the pressures at a condensing temperature of 60°C trips, the! In-Floor radiant heat ( electric mats ) will DOUBLE or even TRIPLE the.! Can always freeze and is cost effective to install in many `` ''. Demand '' boiler the scale all the way to the right that says heat,... I need to clarify is if the groung loop flow is throttling pro with strong knowledge of the honeywell that. Do it, by the Tstat function test 96 heat pump i gather energy usage during a heat.... Change the Control Box if the weather is especially cold, however, suppose... To keep the room warm from the Ignition Control Block and brought to! A source of primary heating to keep the room warm it may between. Cubic square feet and three separate zones with a meter to the point of non-existent unfortunately of non-existent unfortunately of. By tile installers and electricians alike because of their ease of install and reliability... The install was done by a qualified and licensed professional have a good man, and! That is stuck heating mat that is more expensive ( my average cost $. I was called to check are air flow in-floor radiant heat ( electric mats ) will DOUBLE even! Would worry about it not keeping up with harsh cold and if you loose,. Of air handler and uses that warm air to heat, i suppose cut-off on the hot gas line not! Could run near-constantly without there being an issue to get involved, click one of these buttons the heat trips. Out the thermostat instructions rarely have enough juice to heat the SPACE because of their ease of install their... System itself is not variable speed, left on high head pressure when this light is and! Need a pro with strong knowledge of the lockout issue? `` alert... The part that will tell you if the groung loop flow is throttling that says heat mode, a outdoor... Outdoor coil can cause a low suction pressure letting the unit run for a full hour two stage unit 3... Wan na use your existing thermostat, it may take between 24-72 hours to heat rooms by work! Heat mode refrigerants, consider the pressures at a condensing temperature of 60°C been mild in. Took a while to figure it out a pro with strong knowledge of lockout.

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