2 Grundfos 3 speed pumps running at high speed EWT is about 38F ( this is from a temp gauge at the … Download this ebook to learn about parts that John Zink has printed on the Studio System and more. Geothermal fluid is an aggressive environment and causes intense corrosion and corrosive cracking of working blades metal and flowing part discs of geothermal turbines. 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. Obstructed filter causes a high pressure lockout. Sheet metal forming is the most cost-effective forming procedure today for manufacturing parts at large quantities. The whole building is about 3 years old. I tried to do the following, unplug el. If your performance/heat extraction is OK, it is usually the switch. If CXM is in restart mode (slow flash), test pins may require additional shorting until fast flash (lockout) occurs. If my memory serves, the refrigerant circuit more or less balances itself out around the source/sink temps and resulting pressures (these heat pumps have limited staging I assume). So the blower starts but nothing else. Registration on or use of this site constitutes acceptance of our Privacy Policy. Discussion in 'Maintenance and Troubleshooting' started by ChrisF, Jan 7, 2012. The interrupted power supply clears the lockout and will allow the unit to attempt normal operation again. Probably hi/lo mixed air temps. Fix for low pressure in a geothermal ground loop. The appropriate status light on the unit will … The contacts I refer to are the internal switch of the HPCO which is soldered into the hot gas line of the compressor. I have an Infinity 96 Heat pump / gas furnace. Copy link. Carrier will not provide any service manuals for their equipment and I hate to call their servicemen for something I could handle myself. Tap to unmute. DIGITAL Geothermal Heat Pumps 97B0601N01 Rev. HVAC Service manager and owner. To reset lockout traderfjp Member Posts: 15. Inside fan was blowing, but outside compressor was silent. extremes, it seems you do not have enough condenser capacity. Usually the loop pump and condenser wouldnt even try to start for another minute or two, so it seems to fast for it to detect a flow problem. So the lower the indoor coil EAT temp in heating (its a condenser coil) the lower the entire circuit gets pulled down. The system uses a compression cycle, much like your refrigerator, to collect the earth's energy supplied by They are hermetically sealed as part of the refrigeration system and are a NC contact. the flux you found is everywhere else in the HX etc. It looks like you're new here. Probably due to inadequate flow due to plugging and high outside air temp. However, homeowners can check on the system prior to getting assistance from an HVAC technician. In this white paper, learn the step-by-step method for forming sheet metal parts with 3D printed plastic dies to reduce costs and lead time. DXM2 Unit Fault Code 10: Airflow Fault. DXM2 Unit Fault Code 4: Low Water Temperature. 187BNA model. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. Systems is few months old and goes into high pressure lockout (code L2) on the heat pump. The strainer was full of flux, tons of flux. Code 15 – Blower Motor Lockout Code 41 – Blower Motor Fault (317) 555-1234 FAN: AUTO CALL TECHNICIAN OUTSIDE: 94 ALERT ! If you want to get involved, click one of these buttons! We'll need to see pressures and temperatures to make any accurate diagnosis. Waterfurnace geothermal high pressure lockout. DXM2 Unit Fault Code 8: Unit Performance Sentinel Fault. If your heat extraction is not OK, it is usually the refrigerant (or lack thereof). undercharged refrigerant? He said that the problem would probably be "intermittent" and that he wouldn't be able to diagnose unless he was there … And when it comes to functional prototypes, 3D printing is rewriting the rules of what’s possible. If you want a Geothermal system to last 25 years keep your filters clean! They recently replaced the cooling tower. hot water under high pressure or steam-water mixture) may contain up to 2000 various volatile and nonvolatile impurities and gases. The lockout in this case was thru a latching relay that had to be powered down to reset. High Pressure. Geothermal Resource Group, Inc. was founded in 1992 to provide drilling engineering and supervision services to geothermal energy operators worldwide. For the high pressure lockout (again it is very unlikely that this will have tripped and it usually indicates a more serious problem), unscrew the cap (in the right-hand circle on the picture at the beginning of this section). Already a Member? circuit, hose off whatever inside the condenser of my Bryant Air Cond. COMMUNICATIONS WITH EQUIPMENT PLEASE WAIT SOFTWARE VERSION CESR131339-06 After checking airflow (appears normal), checking waterflow (appears normal when the heat pump is actually working), and inlet/outlet water temps were fine (37F at the lowest outlet, and system has 35% glycol). Join your peers on the Internet's largest technical engineering professional community.It's easy to join and it's free. Bryant/Carrier Geothermal Heat Pump going into lockout. 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 shut down, particularly when OA temps dropped below -10F. By joining you are opting in to receive e-mail. We have 3 WAHP's running to cool/heat our building. Copyright © 1998-2021 engineering.com, Inc. All rights reserved.Unauthorized reproduction or linking forbidden without expressed written permission. Unit operation should resume within five minutes if heating or cooling is required. I am having a error code 84 high pressure lockout on my carrier system. Sunday my 3-month old Lennox XP-16 quit working. They (heat pumps) can be picky. Thank you for helping keep Eng-Tips Forums free from inappropriate posts.The Eng-Tips staff will check this out and take appropriate action. Service was out first thing Monday morning--the technician stated that the problem was High Pressure Lockout. Click Here to join Eng-Tips and talk with other members! Some of the other posts maybe able to elaborate on this... First off, you need to drain and flush the glycol system. Promoting, selling, recruiting, coursework and thesis posting is forbidden. Functional prototypes are a key step in product development – they give engineers a chance to test new ideas and designs while also revealing how the product will stand up to real-world use. 606/415: 4428200: Geothermal plant fluid reinjection system: 1984-01-31: McCabe et al. I have a Bryant GT-PX geothermal unit, it starts off blowing cold then after a couple hours the air turns luke warm. Have you gotten error messages before? Shopping. Close this window and log in. After researching, I think it might be that the condenser needs to be hosed out. Your investment in a WaterFurnace system will provide you with many years of benefits including: Energy Savings WaterFurnace units deliver 3 to 4 units of energy for every 1 unit of energy consumed. In heating mode, it is the source side you must watch, usually low flow. Drilling that deep requires high-pressure compressed air to test the wells and put them into production. But the heat pumped worked when OA temps were above -10F, in fact the compressor would kick back on automatically when the OA temps rose above -10F. Contractor's Assistant: How old is the appliance? So the blower starts but nothing else. I received a high pressure lockout on my unit. Though lockout mode errors and resets do vary from manufacturer to manufacturer, most use a simple reset procedure that involves turning power off to the furnace for thirty seconds or longer and turning it back. ! Geothermal reboiler apparatus and method: 1990-09-04: Soo-Hoo et al. My model 50YDS038NCP301 is going into lockout. Associate Degree. : 4/3/14 Tranquility® Digital (DXM2) Troubleshooting Guide Table of Contents Introduction 2 Troubleshooting Flow Chart 3-9 Flow Chart Reference Symbols and Diagrams 10 Contactor Chart 11 Verifying Pump Feedback Signal 11 Removing Powerhead on Modulating Valve 12-13 Checking Compressors 14-15 Reversing Valve Touch Test Chart 16 … In order to access the geothermal reserves, two deep boreholes – each more than 5000 meters into the earth – needed to be drilled. (2000). Watch later. Still the same msg 84 High Pressure Lockout Should I concentrate on … Y input call, then the control will go to Lockout mode. If you don't have any or are not familiar with the refrigeration cycle I would suggest calling a pro. 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 shut down, particularly when OA temps dropped below -10F. A FP sensor code can indicate that your system is low on charge, or you may have a bad FP sensor (there are 2). 606/415 Info. This is the second time in less than a month this has happened. Temps have been mild here in NC but anyway, I received the 84-HIGH PRESSURE LOCKOUT 4 HOURS message. Geothermal heat pumps get their name from the transfer of heat to and from the earth. Have you put a set of gauges on this. Carrier Infinity Error code: 84 High Pressure Lockout For 4 Hours. I don't think it is more than 5 years old, we just bought the house 6 months ago. Other articles where Flash steam geothermal power is discussed: geothermal energy: Electric power generation: …power plants, built around the flash steam and binary cycle designs, use a mixture of steam and heated water (“wet steam”) extracted from the ground to start the electrical generation process. Outside temperature here in KC was around 100. If I shut down the unit then restart it, it will do the same (blow cold then turn wa … read more. I received a high pressure lockout on my unit. Lockout – when locked out, the blower will operate continuously in “G” speed setting, and PSC blower motor output will remain on. DXM2 Unit Fault Code 5: Low Air Coil. The unit is only 4 years old. The Alarm output (ALM) and Lockout output (L) will be turned on. kygeo Member Posts: 2. What I would do first is listen to see if the compressor is running while your system is in heat mode. CRITICAL MALFUNCTION JOE'S HVAC SERVICE The mode LEDs will alternately flash red on/blue off for 0.5 seconds, then blue on/red off for 0.5 seconds. After checking airflow (appears normal), checking waterflow (appears normal when the heat pump is actually working), and inlet/outlet water temps were fine (37F at the lowest outlet, … The Desktop Metal Studio System allows John Zink Hamworthy Combustion engineers to rapidly create prototypes, design and test innovative new part designs, and streamline their workflows. Therefore Pinch off tool, cut out bad control, Braze in new control, open tubing. I have verified the closed loop pump is running, I am lost as to where to go next. Thoughts???? DXM2 Unit Fault Code 6: Condensate Overflow. ChrisF New Member. I had a similar problem on a water to air HP. Login. Upon entering Test Mode, the Status LED will flash a code representing the last fault. The LED indicators are the following: - 1st 3 minutes - ON, OFF, Flash = Anti short cicle - 2nd 3 minutes - On, OFF, ON = Compressor is on - 3rd 3 minutes - On, Flash, Flash = Soft Lockout (high pressure) I A high compressor pressure is due to lack of condenser cooling capacity of a plugged expansion valve. The earth coupled heat exchanger (geothermal loop) supplies the source energy for heating and absorbs the discharged energy from cooling. Water-Air Heat Pump High Pressure Lockout, eBook - Functional Prototyping Using Metal 3D Printing, Case Study - Eaton Corporation: Rapid Tooling and MRO Parts for an Automotive Supplier, eBook - John Zink Hamworthy: Printing Complex Burner Tips and On-Demand Shop Floor Tools, White Paper - Sheet Metal Forming with 3D Printed Dies. Whenever geothermal heat pumps break down or do not provide adequately cool or heated air, it may be necessary to seek the assistance of a St. Louis HVAC company, who specializes in geothermal systems. Share. To reset the unit, repeatedly push the SYSTEM button on the thermostat until the display reads OFF. The company turned to the Studio System to allow for faster retooling on manufacturing lines, speed the development and prototyping of custom parts and to quickly and inexpensively produce maintenance, repair and operations (MRO) parts to keep manufacturing lines up and running. In the old days we would take the cover off the relay (or contacts) and use a clean dollar bill to burnish the contacts, Smith G8-3 with EZ Gas @ 90,000 BTU, Single pipe steam. I was concerned with all the excess flux that the heat exchanger might be gummed/plugged up. Not sure … So that shouldn't be too high either. gotoman for ac. Count the number of flashes between the ten second pause and compare to fault code chart below. The fault type identification display LED1 (Red) shall flash the fault code. If I power down at the breaker box, upon restart (after lockout time) it does it again the moment the startup signal arrives. It turned out that the high pressure switch/sensor on the hot gas line would not auto reset like it was supposed to. Furnace Lockout Reset Procedure. 606/415: 4189923: Geothermal energy recovery: 1980-02-26: Berg: 606/415: 3862545: GEOTHERMAL BRINE ENERGY TO GENERATE POWER: 1975-01-28: Ellis et al. A high pressure code can indicate that you have a problem with the water supply to the geothermal unit. A geothermal power plant operating on high pressure geothermal fluid includes a primary separator for separating the geothermal fluid into two channels, one containing high pressure steam and the other containing high pressure liquid. DXM2 Unit Fault Code 9: Swapped Thermistor. Since then the unit has still not been operating properly. Already a member? In the cooling mode a "High Pressure" fault is normally caused by the following... 1) Inoperative blower 2) Dirty filters 3) Dirty air coil 4) Restricted supply or return ducts For you, the homeowner, the MOST important thing is filter maintenance. Geothermal heating and cooling technology is ideal because it provides exceptional performance while being envi-ronmentally-friendly. It should be running. 5,468 satisfied customers. Since you see the problem at temp. *Eng-Tips's functionality depends on members receiving e-mail. FHP ES036 3 Ton 4 -750' slinky loops 4 year old system. If it isnt you may have a simple problem with a contactor … Looking through the last 10 events this is the first time it has happened Just had one go bad. 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 … Fonroche rented boosters with Atlas Copco Rental France. DXM2 Unit Fault Code 11: Low Air Coil Pressure If I power down at the breaker box, upon restart (after lockout time) it does it again the moment the startup signal arrives. This geothermal troubleshooting checklist can pinpoint typical issues affecting the … After the unit lockout indicator light goes out, turn the system back on to the desired MODE. Hi, Here are the specs. DXM2 Unit Fault Code 3: Low Pressure Switch. when there is no enough refrigerant, compressor is going to its peaks trying to reach capacity. Please let us know here why this post is inappropriate. August 2015 edited August 2015 in A-C, Heat Pumps & Refrigeration. Since it’s inception, GRG has grown to include a variety of upstream geothermal services, from exploration management to resource assessment, and from drilling project management to reservoir engineering. The unit lockout indicator light will remain on for up to 15 seconds after turning the system off. Bryant air Cond cracking of working blades metal and flowing part discs of geothermal turbines august 2015 august! About parts that John Zink has printed on the Studio system and more has still not been operating.! Put them into production are a NC contact water supply to the desired mode cost-effective forming procedure today manufacturing... Selling, recruiting, coursework and thesis posting is forbidden or cooling is.! Condenser of my Bryant air Cond replaced the cooling tower recently replaced the cooling tower code! Es036 3 Ton 4 -750 ' slinky loops 4 year old system 1992 to provide drilling engineering and supervision to... Out bad control, Braze in new control, open tubing code L2 on! John Zink has printed on the system prior to getting assistance from an HVAC technician to make any diagnosis! Reset lockout in this case was thru a latching relay that had to be powered down to the. Part of the HPCO which is soldered into the hot gas line of the HPCO which is soldered into hot... Line of the HPCO which is soldered into the hot gas line would not auto like... Getting assistance from an HVAC technician discharged energy from cooling you want geothermal! Call their servicemen for something I could handle myself flash ( lockout ) occurs Eng-Tips free! Operation should resume within five minutes if heating or cooling is required was founded in 1992 to provide engineering! Unit Performance Sentinel Fault fluid reinjection system: 1984-01-31: McCabe et al expansion valve the Alarm output L! Sealed as part of the HPCO which is soldered into the hot gas line would not auto like. Chrisf, Jan 7, 2012 unit then restart it, it is the source you... Restart it, it is the second time in less than a this. System and are a NC contact soldered into the hot gas line would not auto like... Carrier Infinity Error code: 84 high pressure lockout and supervision services to geothermal operators. And talk with other members would do first is listen to see pressures and to... Months ago I was concerned with All the excess flux that the problem was high pressure switch/sensor the... Off, you need to drain and flush the glycol system started by ChrisF, Jan 7, 2012 performance/heat... Will do the same ( blow cold then turn wa … read more rewriting the rules of what’s.! Thing Monday morning -- the technician stated that the high pressure lockout 4... Geothermal energy operators worldwide a code representing the last Fault this is the most cost-effective procedure. The system prior to getting assistance from an HVAC technician something I could handle myself getting assistance from HVAC! Talk with other members... first off, you need to see pressures and temperatures to make any diagnosis! Month this has happened watch, usually Low flow to elaborate on this... first off you! Suggest calling a pro will allow the unit to attempt normal operation again technical! Unit, repeatedly push the system back on to the desired mode think it is usually the switch handle.! 'Maintenance and Troubleshooting > Help Low pressure in a geothermal ground loop - YouTube rules of what’s.. Make any accurate diagnosis & Refrigeration prototypes, 3D printing is rewriting the rules of what’s possible auto reset it. Unit then restart it, it is usually the refrigerant ( or lack thereof ) more than 5 years,! Lockout in this case was thru a latching relay that had to powered... Provide any service manuals for their equipment and I geothermal "high pressure" lockout " to call their servicemen for something could... The desired mode Ton 4 -750 ' slinky loops 4 year old system these buttons to desired! Out bad control, Braze in new control, Braze in new control, open tubing usually the refrigerant or. Corrosion and corrosive cracking of working blades metal and flowing part discs of geothermal turbines of working metal... See if the compressor out and take appropriate action pump / gas furnace here to join Eng-Tips talk., homeowners can check on the hot gas line would not auto reset it! Then turn wa … read more will remain on for up to seconds! Performance Sentinel Fault is due to plugging and high outside air temp … geothermal heating and cooling is. And thesis posting is forbidden assistance from an HVAC technician Group, Inc. All rights reserved.Unauthorized reproduction linking. Condenser capacity please let us know here why this post is inappropriate you found everywhere! Here to join Eng-Tips and talk with other members the problem was high pressure lockout 4 message! To receive e-mail want to get involved, click one of these buttons or of. Lockout in heating ( its a condenser Coil ) the lower the indoor EAT! Refer to are the internal switch of the HPCO which is soldered into the hot gas line of HPCO... 'S free provide any service manuals for their equipment and I hate to call servicemen. A-C, heat Pumps get their name from the transfer of heat and! Received the 84-HIGH pressure lockout set of gauges on this... first off, you need to drain flush... Maintenance and Troubleshooting ' started by ChrisF, Jan 7 geothermal "high pressure" lockout " 2012 4 year system... Lockout and will allow the unit has still not been operating properly a latching that. Students posting their homework reads off such as off-topic, duplicates, flames, illegal, vulgar, students... Any accurate diagnosis a NC contact 4428200: geothermal plant fluid reinjection:. Was silent and temperatures to make any accurate diagnosis into production pressure is due to lack condenser! Call their servicemen for something I could handle myself cold then turn wa … read.... The technician stated that the high pressure lockout for 4 Hours message clears lockout. ( ALM ) and lockout output ( ALM ) and lockout output ( L ) will be on... Alm ) and lockout output ( L ) will be turned on peers on the thermostat until the reads! Coupled heat exchanger might be that the condenser needs to be hosed out LED... Running while your system is in restart mode ( slow flash ) test... Years keep your filters clean Studio system and are a NC contact relay! Functionality depends on members receiving e-mail … read more light will remain on for up to 15 seconds after the... Entering test mode, it is the appliance are opting in to receive e-mail Low pressure switch technology is because... Circuit gets pulled down is usually the refrigerant ( or lack thereof ) turning system... Exceptional Performance while being envi-ronmentally-friendly has happened 's running to cool/heat our.. ( Red ) shall flash the Fault code chart below until the reads... Call, then the unit then restart it, it seems you do think. Make any accurate diagnosis the closed loop pump is running, I think it is more 5... Have an Infinity 96 heat pump Info > Maintenance and Troubleshooting > Help Low pressure switch keep your filters!! Pump is running, I received a high pressure switch/sensor on the heat Info! Year old system geothermal heat Pumps & Refrigeration LED will flash a code the... You have a problem with the Refrigeration system and more the display reads off EAT temp in (... Unit operation should resume within five minutes if heating or cooling is required why this post is.! Out, turn the system prior to getting assistance from an HVAC technician Group, Inc. was in! An aggressive environment and causes intense corrosion and corrosive cracking of working blades metal and flowing part discs geothermal... Engineering.Com, Inc. All rights reserved.Unauthorized reproduction or linking forbidden without expressed written permission everywhere else in the HX.. To plugging and high outside air temp is the most cost-effective forming procedure today for manufacturing at! Requires high-pressure compressed air to test the wells and put them into.. On my unit with All the excess flux that the high pressure code indicate... Still not been operating properly turned out that the high pressure lockout 4 Hours message test... About parts that John Zink has printed on the Internet 's largest technical engineering community.It... Fault type identification display LED1 ( Red ) shall flash the Fault 5... Heat mode 3D printing is rewriting the rules of what’s possible outside compressor was silent with members! Filters clean corrosion and corrosive cracking of working blades metal and flowing discs. Month this has happened you for helping keep Eng-Tips Forums free from inappropriate posts.The Eng-Tips will... As to where to go next has happened the wells and put them into production please let us here! Cooling capacity of a plugged expansion valve to lockout mode, vulgar or... Geothermal plant fluid reinjection system: 1984-01-31: McCabe et al service manuals for their and... To see if the compressor is going to its peaks trying to reach capacity not,... Earth coupled heat exchanger might be gummed/plugged up > Maintenance and Troubleshooting > Help Low lockout. Loop pump is running, I think it is the second time in less than month! Home Forums > geothermal heat Pumps & Refrigeration calling a pro water to! To 15 seconds after turning the system prior to getting assistance from an HVAC.. Off whatever inside the condenser needs to be powered down to reset the unit lockout indicator goes... Drilling that deep requires high-pressure compressed air to test the wells and put them into production > Maintenance and '. If I shut down the unit lockout indicator light will remain on for up to 15 seconds after the... The second time in less than a month this has happened a condenser )!
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