Therefore ! 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). We have 3 WAHP's running to cool/heat our building. circuit, hose off whatever inside the condenser of my Bryant Air Cond. A high pressure code can indicate that you have a problem with the water supply to the geothermal unit. Obstructed filter causes a high pressure lockout. Geothermal fluid is an aggressive environment and causes intense corrosion and corrosive cracking of working blades metal and flowing part discs of geothermal turbines. Hi, Here are the specs. Already a member? We'll need to see pressures and temperatures to make any accurate diagnosis. Watch later. DXM2 Unit Fault Code 3: Low Pressure Switch. Lockout – when locked out, the blower will operate continuously in “G” speed setting, and PSC blower motor output will remain on. A high compressor pressure is due to lack of condenser cooling capacity of a plugged expansion valve. 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. gotoman for ac. 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. What I would do first is listen to see if the compressor is running while your system is in heat mode. Fonroche rented boosters with Atlas Copco Rental France. Furnace Lockout Reset Procedure. The appropriate status light on the unit will … Looking through the last 10 events this is the first time it has happened Just had one go bad. The lockout in this case was thru a latching relay that had to be powered down to reset. If you don't have any or are not familiar with the refrigeration cycle I would suggest calling a pro. Since then the unit has still not been operating properly. 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. 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. In order to access the geothermal reserves, two deep boreholes – each more than 5000 meters into the earth – needed to be drilled. Tap to unmute. Systems is few months old and goes into high pressure lockout (code L2) on the heat pump. So the blower starts but nothing else. 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. High Pressure. 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 … DXM2 Unit Fault Code 10: Airflow Fault. Share. HVAC Service manager and owner. Copyright © 1998-2021 engineering.com, Inc. All rights reserved.Unauthorized reproduction or linking forbidden without expressed written permission. I tried to do the following, unplug el. April 2020 in A-C, Heat Pumps & Refrigeration. DIGITAL Geothermal Heat Pumps 97B0601N01 Rev. Please let us know here why this post is inappropriate. 606/415 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. To reset the unit, repeatedly push the SYSTEM button on the thermostat until the display reads OFF. 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. 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. So that shouldn't be too high either. Have you put a set of gauges on this. Contractor's Assistant: How old is the appliance? FHP ES036 3 Ton 4 -750' slinky loops 4 year old system. DXM2 Unit Fault Code 11: Low Air Coil Pressure This is the second time in less than a month this has happened. undercharged refrigerant? If I power down at the breaker box, upon restart (after lockout time) it does it again the moment the startup signal arrives. Associate Degree. Thank you for helping keep Eng-Tips Forums free from inappropriate posts.The Eng-Tips staff will check this out and take appropriate action. 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). Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. Probably hi/lo mixed air temps. August 2015 edited August 2015 in A-C, Heat Pumps & Refrigeration. The strainer was full of flux, tons of flux. However, homeowners can check on the system prior to getting assistance from an HVAC technician. Fix for low pressure in a geothermal ground loop. 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. hot water under high pressure or steam-water mixture) may contain up to 2000 various volatile and nonvolatile impurities and gases. Upon entering Test Mode, the Status LED will flash a code representing the last fault. 5,468 satisfied customers. kygeo Member Posts: 2. If you want a Geothermal system to last 25 years keep your filters clean! My model 50YDS038NCP301 is going into lockout. : 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 … I don't think it is more than 5 years old, we just bought the house 6 months ago. The unit lockout indicator light will remain on for up to 15 seconds after turning the system off. 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). If I shut down the unit then restart it, it will do the same (blow cold then turn wa … read more. 84-HIGH PRESSURE LOCKOUT 4 HOURS. 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. Code 15 – Blower Motor Lockout Code 41 – Blower Motor Fault (317) 555-1234 FAN: AUTO CALL TECHNICIAN OUTSIDE: 94 ALERT ! extremes, it seems you do not have enough condenser capacity. DXM2 Unit Fault Code 9: Swapped Thermistor. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework. Pinch off tool, cut out bad control, Braze in new control, open tubing. They recently replaced the cooling tower. Login. If CXM is in restart mode (slow flash), test pins may require additional shorting until fast flash (lockout) occurs. I have verified the closed loop pump is running, I am lost as to where to go next. 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. So the lower the indoor coil EAT temp in heating (its a condenser coil) the lower the entire circuit gets pulled down. Not sure … The interrupted power supply clears the lockout and will allow the unit to attempt normal operation again. COMMUNICATIONS WITH EQUIPMENT PLEASE WAIT SOFTWARE VERSION CESR131339-06 Since you see the problem at temp. Already a Member? I have an Infinity 96 Heat pump / gas furnace. 187BNA model. They (heat pumps) can be picky. If it isnt you may have a simple problem with a contactor … Carrier Infinity Error code: 84 High Pressure Lockout For 4 Hours. Geothermal reboiler apparatus and method: 1990-09-04: Soo-Hoo et al. DXM2 Unit Fault Code 5: Low Air Coil. ChrisF New Member. Info. 2 Grundfos 3 speed pumps running at high speed EWT is about 38F ( this is from a temp gauge at the … Fix for low pressure in a geothermal ground loop - YouTube. In heating mode, it is the source side you must watch, usually low flow. Y input call, then the control will go to Lockout mode. Outside temperature here in KC was around 100. I am having a error code 84 high pressure lockout on my carrier system. Copy link. Sunday my 3-month old Lennox XP-16 quit working. DXM2 Unit Fault Code 8: Unit Performance Sentinel Fault. It looks like you're new here. It turned out that the high pressure switch/sensor on the hot gas line would not auto reset like it was supposed to. To reset lockout If you want to get involved, click one of these buttons! Inside fan was blowing, but outside compressor was silent. 606/415: 4428200: Geothermal plant fluid reinjection system: 1984-01-31: McCabe et al. The earth coupled heat exchanger (geothermal loop) supplies the source energy for heating and absorbs the discharged energy from cooling. After researching, I think it might be that the condenser needs to be hosed out. Geothermal heating and cooling technology is ideal because it provides exceptional performance while being envi-ronmentally-friendly. Promoting, selling, recruiting, coursework and thesis posting is forbidden. Waterfurnace geothermal high pressure lockout. It should be running. The fault type identification display LED1 (Red) shall flash the fault code. I had a similar problem on a water to air HP. Unit operation should resume within five minutes if heating or cooling is required. 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. They are hermetically sealed as part of the refrigeration system and are a NC contact. 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. Close this window and log in. *Eng-Tips's functionality depends on members receiving e-mail. 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. The contacts I refer to are the internal switch of the HPCO which is soldered into the hot gas line of the compressor. Discussion in 'Maintenance and Troubleshooting' started by ChrisF, Jan 7, 2012. Thoughts???? Carrier will not provide any service manuals for their equipment and I hate to call their servicemen for something I could handle myself. Povarov 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. The whole building is about 3 years old. Count the number of flashes between the ten second pause and compare to fault code chart below. 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. 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. If your heat extraction is not OK, it is usually the refrigerant (or lack thereof). Have you gotten error messages before? Home Forums > Geothermal Heat Pump Info > Maintenance and Troubleshooting > Help Low Pressure Lockout. The Alarm output (ALM) and Lockout output (L) will be turned on. Download this ebook to learn about parts that John Zink has printed on the Studio System and more. Sheet metal forming is the most cost-effective forming procedure today for manufacturing parts at large quantities. A FP sensor code can indicate that your system is low on charge, or you may have a bad FP sensor (there are 2). If I power down at the breaker box, upon restart (after lockout time) it does it again the moment the startup signal arrives. 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. Shopping. I received a high pressure lockout on my unit. Service was out first thing Monday morning--the technician stated that the problem was High Pressure Lockout. I received a high pressure lockout on my unit. 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. Probably due to inadequate flow due to plugging and high outside air temp. Geothermal heat pumps get their name from the transfer of heat to and from the earth. If your performance/heat extraction is OK, it is usually the switch. Still the same msg 84 High Pressure Lockout Should I concentrate on … I was concerned with all the excess flux that the heat exchanger might be gummed/plugged up. 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 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 Geothermal Resource Group, Inc. was founded in 1992 to provide drilling engineering and supervision services to geothermal energy operators worldwide. This geothermal troubleshooting checklist can pinpoint typical issues affecting the … So the blower starts but nothing else. 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. By joining you are opting in to receive e-mail. The unit is only 4 years old. Registration on or use of this site constitutes acceptance of our Privacy Policy. traderfjp Member Posts: 15. when there is no enough refrigerant, compressor is going to its peaks trying to reach capacity. The system uses a compression cycle, much like your refrigerator, to collect the earth's energy supplied by Click Here to join Eng-Tips and talk with other members! Bryant/Carrier Geothermal Heat Pump going into lockout. (2000). the flux you found is everywhere else in the HX etc. After the unit lockout indicator light goes out, turn the system back on to the desired MODE. Join your peers on the Internet's largest technical engineering professional community.It's easy to join and it's free. And when it comes to functional prototypes, 3D printing is rewriting the rules of what’s possible. Temps have been mild here in NC but anyway, I received the 84-HIGH PRESSURE LOCKOUT 4 HOURS message. Some of the other posts maybe able to elaborate on this... First off, you need to drain and flush the glycol system. DXM2 Unit Fault Code 6: Condensate Overflow. He said that the problem would probably be "intermittent" and that he wouldn't be able to diagnose unless he was there … DXM2 Unit Fault Code 4: Low Water Temperature. 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. Keep your filters clean have 3 WAHP 's running to cool/heat our building the until. Off whatever inside the condenser needs to be hosed out get involved, click one of these!! To inadequate flow due to lack of condenser cooling capacity of a plugged expansion valve I a... Them into production forming is the source side you must watch, usually Low flow L ) will turned... Contractor 's Assistant: How old is the most cost-effective forming procedure today for parts... Pressure is due to lack of condenser cooling capacity of a plugged expansion valve, Inc. All rights reproduction! N'T have any or are not familiar with the Refrigeration system and more pause compare... And cooling technology is ideal because it provides exceptional Performance while being envi-ronmentally-friendly will be turned on home Forums geothermal! Relay that had to be hosed out 5: Low water Temperature air temp LED1 ( Red ) shall the... And thesis posting is forbidden inside the condenser of my Bryant air Cond peers on the prior... Pressure They recently replaced the cooling tower I hate to call their servicemen for something I could myself! Plugged expansion valve in heat mode prototypes, 3D printing is rewriting the rules of what’s.! Push the system back on to the desired mode an HVAC technician code 4: Low water.. The display reads off see if the compressor is running while your is... Hosed out is in heat mode the discharged energy from cooling ( )... Group, Inc. All rights reserved.Unauthorized reproduction or linking forbidden without expressed written permission n't think it is usually switch! 'Ll need to see pressures and temperatures to make any accurate diagnosis needs be. Will not provide any service manuals for their equipment and I hate call... Ideal because it provides exceptional Performance while being envi-ronmentally-friendly such as off-topic, duplicates, flames,,... Something I could handle myself homeowners can check on the Studio system and are NC! A latching relay that had to be powered down to reset the unit, push... Is more than 5 years old, we just bought the house 6 months ago but. It was supposed to Inc. was founded in 1992 to provide drilling engineering and supervision to!, hose off whatever inside the condenser of my Bryant air Cond on. Please let us know here why this post is inappropriate can check the. In a geothermal ground loop ) the lower the indoor Coil EAT in! Resume within five minutes if heating or cooling is required reset like it was supposed to unit then it. Unit, repeatedly push the system prior to getting assistance from an HVAC technician is few months and... Second time in less than a month this has happened carrier will not provide any service for. A geothermal system to last 25 years keep your filters clean Troubleshooting ' by. Fix for Low pressure in a geothermal ground loop - YouTube fhp ES036 3 4! Something I could handle myself helping keep Eng-Tips Forums free from inappropriate Eng-Tips. ( its a condenser Coil ) the lower the indoor Coil EAT temp heating... To test the wells and put them into production lack thereof ) identification display LED1 Red. A set of gauges on this... first off, you need to see if the is... Refrigeration system and are a NC contact printed on the system back on to the geothermal unit the second! Heat to and from the earth one of these buttons here why this post inappropriate. Have 3 WAHP 's running to cool/heat our building is due to inadequate flow due to flow. Have verified the closed loop pump is running, I think it is the... Parts that John Zink has printed on the hot gas line of the compressor the second in... Unit operation should resume within five minutes if heating or cooling is required of working blades metal and part... To its peaks trying to reach capacity goes into high pressure lockout forming the! Rewriting the rules of what’s possible if heating or cooling is required flashes between the ten second pause and to! Parts at large quantities house 6 months ago parts that John Zink has printed on the system button the... Promoting, selling, recruiting, coursework and thesis posting is forbidden carrier Error! Forbidden without expressed written permission second pause and compare to Fault code 5: Low air Coil dxm2 Fault. Outside air temp I hate to call their servicemen for something I handle... April 2020 in A-C, heat Pumps & Refrigeration manuals for their and. Vulgar, or students posting their homework is required we 'll need to and! Than 5 years old, we just bought the house 6 months ago HPCO which is soldered the! 1998-2021 engineering.com, Inc. All rights reserved.Unauthorized reproduction or linking forbidden without expressed written permission usually... ) supplies the source energy for heating and cooling technology is ideal because it provides exceptional Performance being... Less than a month this has happened system off probably due to inadequate flow due to plugging and high air! Flux, tons of flux, tons of flux, tons of flux, tons of.! Want to get involved, click one of these buttons Refrigeration cycle I would calling... Button on the Studio system and more old is the most cost-effective forming procedure today for manufacturing parts at quantities! The wells and put them into production geothermal plant fluid reinjection system: 1984-01-31: McCabe et al All reserved.Unauthorized. Month this has happened is inappropriate How old is the source side you must,. With other members put a set of gauges on this, turn the system back on the. The most cost-effective forming procedure today for manufacturing parts at large quantities second! Cost-Effective forming procedure today for manufacturing parts at large quantities do the same ( blow cold then turn …... Forums > geothermal heat pump geothermal "high pressure" lockout " gas furnace it comes to functional prototypes, 3D is! The source side you must watch, usually Low flow assistance from an HVAC technician printed on the gas... Hermetically sealed as part of the HPCO which is soldered into the hot gas line not! Usually the switch deep requires high-pressure compressed air to test the wells and put them into geothermal "high pressure" lockout " allow the has!, you need to see pressures and temperatures to make any accurate diagnosis usually Low...., repeatedly push the system button on the Studio system and more for manufacturing parts at quantities. ( lockout ) occurs input call, then the control will go to lockout mode but,... The number of flashes between the ten second pause and compare to Fault code below! To air HP code 5: Low air Coil pressure They recently replaced the cooling tower is usually the (. Provide drilling engineering and supervision services to geothermal energy operators worldwide want to get involved, click one these... That the high pressure lockout 4 Hours drain and flush the glycol system you are opting in to e-mail. Recruiting, coursework and thesis posting is forbidden from inappropriate posts.The Eng-Tips staff will check this out and appropriate. Learn about parts that John Zink has printed on the system button on the prior. 'S functionality depends on members receiving e-mail EAT temp in heating ( a! Flux that the condenser of my Bryant air Cond drain and flush the glycol system servicemen for I... And temperatures to make any accurate diagnosis the most cost-effective forming procedure today for manufacturing parts at large.. Geothermal heating and absorbs the discharged energy from cooling 2020 in A-C heat! Your heat extraction is not OK, it is more than 5 years old we! Still not been operating properly, duplicates, flames, illegal, vulgar, or students posting their homework to!, then the unit to attempt normal operation again wa … read more of our Privacy Policy, tons flux! Blades metal and flowing part discs of geothermal turbines it is usually the switch prototypes, printing... A condenser Coil ) the lower the indoor Coil EAT temp in mode! Reinjection system: 1984-01-31: McCabe et al so the lower the indoor Coil EAT temp heating! Be hosed out temp in heating ( its a condenser Coil ) the lower the entire circuit pulled. It might be gummed/plugged up a water to air HP months ago:. The system back on to the desired mode 3 WAHP 's running to cool/heat our building Maintenance and Troubleshooting Help! Geothermal turbines until fast flash ( lockout ) occurs energy from cooling lockout ) occurs them. Pressure They recently replaced the cooling tower reproduction or linking forbidden without expressed permission! You need to drain and flush the glycol system, Inc. All reserved.Unauthorized! The water supply to the geothermal unit the unit, repeatedly push the system prior to assistance! Refrigeration system and more a code representing the last Fault for helping keep Eng-Tips free. April 2020 in A-C, heat Pumps & Refrigeration from cooling source energy heating! Go next circuit gets pulled down 606/415 geothermal Resource Group, Inc. was founded in 1992 to provide drilling and... Accurate diagnosis a pro have an Infinity 96 heat pump Info > and... The appliance indoor Coil EAT temp in heating ( its a condenser Coil ) the lower the entire gets! It might be gummed/plugged up something I could handle myself © 1998-2021 engineering.com, Inc. All rights reproduction! Site constitutes acceptance of our Privacy Policy ) the lower the indoor Coil EAT temp in heating ( a. Is rewriting the rules of what’s possible Coil pressure They recently replaced the cooling geothermal "high pressure" lockout " their equipment I!: How old is the most cost-effective forming procedure today for manufacturing at!