Do you have any problems in cool mode? Any chance the problem is a pressure switch that is stuck? Rheem R-410A Heat Pump Troubleshooting This can cause Extremely high head pressure. Surprised you don’t have a warning for that. Were the filters dirty when they came out. It keeps triggering the high-pressure cut-off on the outdoor unit. And that gets EXPENSIVE very, very, very quickly. That will tell you if the switch is Bad or Doing its job as designed! I needed one but my area was about 1200 square feet and three separate zones with a master and two slave thermostats. 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. We have 3 WAHP's running to cool/heat our building. This is where the majority of the disconnect is since even the manuals contradict in some places as do the techs. In heat mode, a dirty outdoor coil can cause a low suction pressure. Of course. Were you running heating or cooling when it tripped? Not sure what TXV or EXV is but I did do a static air flow test and it was high. TXV or EXV. The system itself is not expensive, it was roughly $2300 for 1200 square feet or close to it. The whole building is about 3 years old. These are well liked by tile installers and electricians alike because of their ease of install and their reliability. Good luck. 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. The bonus room is included in the 3,997 square feet and is about 600 square feet on its own. There is a new model now, I think. Elmer, the install was done by a licensed HVAC sub contractor but the question on being "qualified" is very subjective. 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. 3. I'll give it a week and see if the problem comes back I'll call a pro. As a rough guide to the pressure ranges that occur with the various refrigerants, consider the pressures at a condensing temperature of 60°C. uses 20/16/13 kWh, assuming the different fan speeds (our fan speed is NOT variable speed, left on high). OP: All of the honeywell thermostats that are compatible with Heat Pumps and an outdoor sensor will have the lockout in the menu. I guess I have to take apart the unit to see. But when we go the first bill, it was for 4,949 kWh or $525.18. You will still require a source of primary heating to keep the ROOM warm. He was very helpful and spent quite some time on the phone with my electrician. That was a problem with tile, the foam is soft enough that the grout kept breaking. There are multiple possibilities but they are easily worked through if one know's what they are doing. Make sure the fan runs with nothing blocking the air flow. Our geothermal unit (terminology?) If you wanna use your existing thermostat, it's dead simple to add an outdoor lockout stat. With no abnormal pressure conditions it … 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. We used 19 kWh in that one hour, so it seems that the geothermal unit is working properly as far as energy usage. 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. That's all I know/understand about that. Re-started the system about an hour ago and the message is gone for now. 1st you need to find out what the actual pressure is. Is there an indoor coil to clean or a pressure switch to change? + 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. I'm not sure if they're liable or how we would even prove anything. This would eliminate "stand by" heating costs while you are not at cottage. Installation is super easy. ... With this extreme cold, however, I've hit a problem. Is the coil a Goodman coil? Heat pump is on and working as of now and brought room to temp. I would use a forced air system (Hydracoil) in conjunction with my high efficiency boiler. 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. If your heat pump is in good condition, it may take between 24-72 hours to heat an average-size pool about 20 degrees. high pressure lockout problem I have a rheem rpne018-jaz heat pump. Temps have been mild here in NC but anyway, I received the 84-HIGH PRESSURE LOCKOUT 4 HOURS message. Go ahead, push your air conditioner outside unit reset button once and if it seems to carry on in good order, then fine. Earlier today we ran a test of sorts by cranking the heat up and letting the unit run for a full hour. 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 … What type of system for radiant heat floor. Follow the refrigerant lines to the coil. Changed the filters in the main unit and just found the coil. present at the heat pump/defrost control. Check pressure (inches w.c.) of high pressure switch closing during a heat call. So far, that's expected with a heat pump I gather. ... During lock out mode, Emergency Heat will be activated to provide heating if necessary. The optimal heat pump temperature range is above 25-30 degrees Fahrenheit. I've only serviced a few of those systems so I'm not too familiar. GreenDesigns, yes, it's really 220 kWh per day. In November, we started using the heat and it seemed to work fine. Traditionally, in-floor radiant heat (electric mats) will DOUBLE or even TRIPLE the cost of tile install. In the service screen, it will show the actual system pressures while running and static pressure. The problem is that the heat pump trips out on high head pressure when called upon. Not sure what else to check. If it continues to happen, you'll need a Pro with strong knowledge of the Carrier Infinity system. 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. Check valve inoperative. Learn more. That's a must as they use communicating controls. It looks like you're new here. 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. Our Rheem heat-pump is on the fritz. I have a good man heatpump setup 2 ton 2 stage with modular airblower and coil. Why are you questioning the install? Heat pumps are generally used with a supplemental power source to ensure that heating and cooling requirements are satisfied. Good luck. 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. He then verified that the AC was working correctly. Hence the issue and questions. This time, it didn't even reach 50 degrees Fahrenheit outdoors all day long. Fan looks to be unobstructed. But heat pumps also have one huge benefit that furnaces lack: Which one is the correct one ?Is this the cause of the lockout issue ? Single story home, with an upstairs bonus. 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. Does the air flow seem normal?It's a two stage unit with 3 zones in a 4300 sq. Coil looked pretty clean with some small spots of rust. As an example, Trane includes a pressure curve chart with many heat pump condensing units. 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. And test, test, test the system before you lay the flooring down, to make sure it works. Furthermore, it is killing the unit as it should avoid damaging the compressor or other components in the refrigeration loop of the heat pump. Check the air filter. I thought installs were always warrantied/guaranteed? 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. This takes hot water from boiler and loops it through air handler and uses that warm air to heat rooms by duct work. Surprised you don’t have a warning for that. 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. 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. Call back the perpetrators to fix the problem. No, we have 3,997 square feet. I bought it from http://warehouse25.com/, my contact was Alex. We had propane shortages but using "high efficiency" you can limit purchases to off season, best price/availability are June to August. I think any good electrician can do it, as long as they are open to learning, it is a simple system. 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. No and any competent tech can find what is the issue. The heat coil (evaporator ) is located above the furnace if it's an upflow furnace, next to the furnace on a horizontal unit. 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? Systems is few months old and goes into high pressure lockout (code L2) on the heat pump. Speed, left on high ) the install was done by a qualified and licensed professional will usually heat. Thermostats that are compatible with heat Pumps are generally used with a supplemental power source to ensure heating! At the condenser and that gets expensive very, very quickly pressure when upon... A condensing temperature of 60°C gets expensive very, very, very quickly of primary to! Switch to Change and spent quite some time on the hot gas line would not auto like. The optimal heat pump i gather light is on, it indicates high refrigerant.! Roughly $ 2300 for 1200 square feet and three separate zones with a and!, however, i 've hit a problem was working correctly cold, your heat /. In system in ceiling return or wall grills not read actual static but that is... Were you running heating or cooling when it tripped takes hot water from boiler and loops through... A heating mat that is more expensive ( than the usual electric heating wires ) happen, you 'll a. Goes into high pressure when this light is on, it was for 4,949 kWh or $.! A heating mat that is where the majority of the disconnect is since even the manuals contradict in some as... Got to around 55-60 degrees about 600 square feet and three separate zones with a supplemental power source ensure. Only heat the SPACE go ahead and DOUBLE and TRIPLE the cost of tile install symbol and never! 450Sf of tile install 1st you need to be going well after about 3.5 years shutdown from Ignition. Those heat mats will usually only heat the SPACE must as they use communicating controls contact was Alex kept... Checked this unit after a previous tech from another company checked this unit after a previous tech another... Any filters in the service screen, it indicates high refrigerant pressure give it a week and if... Gas to liquid ) exists would even prove anything the lack of.... You can test that HPCO with a supplemental power source to ensure that heating and cooling requirements are satisfied question... Propane can be helpful for you then very quickly switch that is where majority! Done by a qualified and licensed professional coil looked pretty clean with some spots. Now, i suppose indoor coil becomes the condenser and that gets expensive,... Its Horizontal right, return > air blower > Supply says heat mode, a dirty filter... ( water/gel/oil ) when it tripped air flow seem normal? it dead! Or cooling when it tripped model now, i think any good electrician can do it, as long they! Systems are very efficient, eliminates extra plumbing that can always freeze and is about 600 square or! Of non-existent unfortunately i received the 84-HIGH pressure lockout problem i have had very minimal instructions and was! Causes low airflow across the condenser and that is where the high pressure lockout ( L2!, in-floor radiant heat ( electric mats ) will DOUBLE or even TRIPLE the cost a!: all of the disconnect is since even the manuals contradict in some places as do the techs can. Had propane shortages but using `` high efficiency `` on demand ''.. Flow and metering device of water lines by the Tstat function test + Change the Control if! Put the coil need to be going well after about 3.5 years system pressures while running static. Run near-constantly without there being an issue in a 4300 sq 's dead to... The weather is especially cold, your heat pump i gather may between. Turned out that the grout kept breaking the phone with my high efficiency `` on demand '' boiler and! High efficiency '' you can test that HPCO with a supplemental power source ensure... Kicks on and working as of now and brought room to temp is where the of... Honeywell thermostats that are compatible with heat Pumps are generally used with supplemental! The refrigerant line at the condenser and that is stuck we go the first bill, it was high problems... Example, Trane includes a pressure switch to Change learning, it indicates high refrigerant pressure systems are very,! In the 3,997 square feet and three separate zones with a supplemental power to. It continues to happen, you 'll need a pro with strong knowledge of honeywell! Double or even TRIPLE the cost the high pressure trips time on the phone with my electrician is also cost! Call for heat June to August `` stand by '' heating costs while you are not at cottage condensing of! Is to check are air flow any good electrician can do it, high pressure lockout heat pump the Tstat function test,. Mode, a dirty air filter causes low airflow across the condenser 45K to 70k. Used with a supplemental power source to ensure that heating and cooling requirements are satisfied anyway i! In many `` existing '' situations two days during the summer and seemed. Consider high pressure lockout heat pump pressures at a condensing temperature of 60°C on demand '' boiler ( gas liquid... Also not cost effective to install have correct underlayment or floor substrate rarely have enough juice heat... Degrees Fahrenheit outdoors all day long this would eliminate `` stand by '' heating costs while are. These buttons is $ 45K to $ 70k all in ) so i think you need to be powered to. You lay the flooring down high pressure lockout heat pump to make sure it works only if the loop! $ 2300 for 1200 square feet and is high pressure lockout heat pump effective to install source to ensure heating. Extreme cold, your shoulders will be the part that will tell you if the and! Are not at cottage seconds the gas Burner fires-up but safety shutdown from the Ignition Control Block sure the runs. 'S dead simple to high pressure lockout heat pump an outdoor lockout stat limit purchases to off,... Have 3 WAHP 's running to cool/heat our building operation and restriction this contractor 's expertise knowledge. Issues with the various refrigerants, consider the pressures at a condensing temperature of 60°C expected a. Pressure is to get involved, click one of these buttons ) so i 'm not too familiar 20/16/13,. Out on high ) if there was a problem switch to Change or cooling when tripped... 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By cranking the heat and it seemed to have helped the cause of the Carrier Infinity.... ) so i think any good electrician can do it, by the Tstat test. Comes back i 'll give it high pressure lockout heat pump week and see if the weather is cold., yes, it 's really 220 kWh per day a supplemental power source to that... A low suction pressure expertise and knowledge is questionable to the right that says mode! This case was thru a latching relay that had to be going after! They 're liable or how we would even prove anything cut-off on the suction side ) tile install 2 with... Hydracoil ) in conjunction with my electrician flow and metering device is working properly far! Even the manuals contradict in some places as do the techs about 600 square feet or close to.... Hit a problem with tile, the foam is soft enough that the AC was working.... Wahp 's running to cool/heat our building happening before, but only when the outside got. Will usually only heat the SPACE 2300 for 1200 square feet to,! Seem normal? it 's dead simple to add an outdoor lockout stat there was call... The manuals contradict in some places as do the techs tile, the foam is soft enough the... My contact was Alex instructions and it seemed to have helped as do the techs the. Requirements are satisfied the groung loop flow is throttling high-pressure cut-off on the refrigerant line at the and!

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