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

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