Copy link. The lockout in this case was thru a latching relay that had to be powered down to reset. They (heat pumps) can be picky. My model 50YDS038NCP301 is going into lockout. 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. Sheet metal forming is the most cost-effective forming procedure today for manufacturing parts at large quantities. High Pressure. I have a Bryant GT-PX geothermal unit, it starts off blowing cold then after a couple hours the air turns luke warm. *Eng-Tips's functionality depends on members receiving e-mail. What I would do first is listen to see if the compressor is running while your system is in heat mode. They are hermetically sealed as part of the refrigeration system and are a NC contact. The interrupted power supply clears the lockout and will allow the unit to attempt normal operation again. Geothermal reboiler apparatus and method: 1990-09-04: Soo-Hoo et al. 84-HIGH PRESSURE LOCKOUT 4 HOURS. ! August 2015 edited August 2015 in A-C, Heat Pumps & Refrigeration. Probably hi/lo mixed air temps. Download this ebook to learn about parts that John Zink has printed on the Studio System and more. 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 it isnt you may have a simple problem with a contactor … 606/415 If your performance/heat extraction is OK, it is usually the switch. circuit, hose off whatever inside the condenser of my Bryant Air Cond. traderfjp Member Posts: 15. Thank you for helping keep Eng-Tips Forums free from inappropriate posts.The Eng-Tips staff will check this out and take appropriate action. However, homeowners can check on the system prior to getting assistance from an HVAC technician. Geothermal heat pumps get their name from the transfer of heat to and from the earth. Looking through the last 10 events this is the first time it has happened Info. The contacts I refer to are the internal switch of the HPCO which is soldered into the hot gas line of the compressor. Fonroche rented boosters with Atlas Copco Rental France. Copyright © 1998-2021 engineering.com, Inc. All rights reserved.Unauthorized reproduction or linking forbidden without expressed written permission. If I shut down the unit then restart it, it will do the same (blow cold then turn wa … read more. Y input call, then the control will go to Lockout mode. It looks like you're new here. Share. extremes, it seems you do not have enough condenser capacity. Service was out first thing Monday morning--the technician stated that the problem was High Pressure Lockout. DXM2 Unit Fault Code 3: Low Pressure Switch. The strainer was full of flux, tons of flux. Tap to unmute. The appropriate status light on the unit will … Obstructed filter causes a high pressure lockout. (2000). And when it comes to functional prototypes, 3D printing is rewriting the rules of what’s possible. 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. 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 kygeo Member Posts: 2. Geothermal heating and cooling technology is ideal because it provides exceptional performance while being envi-ronmentally-friendly. After the unit lockout indicator light goes out, turn the system back on to the desired MODE. Still the same msg 84 High Pressure Lockout Should I concentrate on … HVAC Service manager and owner. Geothermal fluid is an aggressive environment and causes intense corrosion and corrosive cracking of working blades metal and flowing part discs of geothermal turbines. Join your peers on the Internet's largest technical engineering professional community.It's easy to join and it's free. Already a member? Outside temperature here in KC was around 100. Systems is few months old and goes into high pressure lockout (code L2) on the heat pump. I have an Infinity 96 Heat pump / gas furnace. Already a Member? 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. 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. A FP sensor code can indicate that your system is low on charge, or you may have a bad FP sensor (there are 2). We'll need to see pressures and temperatures to make any accurate diagnosis. To reset lockout If you want a Geothermal system to last 25 years keep your filters clean! By joining you are opting in to receive e-mail. Close this window and log in. A high compressor pressure is due to lack of condenser cooling capacity of a plugged expansion valve. 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. Geothermal Resource Group, Inc. was founded in 1992 to provide drilling engineering and supervision services to geothermal energy operators worldwide. Unit operation should resume within five minutes if heating or cooling is required. Bryant/Carrier Geothermal Heat Pump going into lockout. Some of the other posts maybe able to elaborate on this... First off, you need to drain and flush the glycol system. 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 … 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. Lockout – when locked out, the blower will operate continuously in “G” speed setting, and PSC blower motor output will remain on. Thoughts???? 606/415: 4428200: Geothermal plant fluid reinjection system: 1984-01-31: McCabe et al. 187BNA model. In heating mode, it is the source side you must watch, usually low flow. The system uses a compression cycle, much like your refrigerator, to collect the earth's energy supplied by 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). Promoting, selling, recruiting, coursework and thesis posting is forbidden. gotoman for ac. 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). 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. If I power down at the breaker box, upon restart (after lockout time) it does it again the moment the startup signal arrives. It should be running. 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. Login. Watch later. 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. Drilling that deep requires high-pressure compressed air to test the wells and put them into production. So the blower starts but nothing else. hot water under high pressure or steam-water mixture) may contain up to 2000 various volatile and nonvolatile impurities and gases. Registration on or use of this site constitutes acceptance of our Privacy Policy. 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. He said that the problem would probably be "intermittent" and that he wouldn't be able to diagnose unless he was there … COMMUNICATIONS WITH EQUIPMENT PLEASE WAIT SOFTWARE VERSION CESR131339-06 Carrier Infinity Error code: 84 High Pressure Lockout For 4 Hours. Contractor's Assistant: How old is the appliance? ChrisF New Member. Therefore The unit is only 4 years old. 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. I received a high pressure lockout on my unit. Furnace Lockout Reset Procedure. The earth coupled heat exchanger (geothermal loop) supplies the source energy for heating and absorbs the discharged energy from cooling. Not sure … Inside fan was blowing, but outside compressor was silent. Shopping. So the lower the indoor coil EAT temp in heating (its a condenser coil) the lower the entire circuit gets pulled down. The Alarm output (ALM) and Lockout output (L) will be turned on. DXM2 Unit Fault Code 11: Low Air Coil Pressure DXM2 Unit Fault Code 5: Low Air Coil. Count the number of flashes between the ten second pause and compare to fault code chart below. Have you gotten error messages before? Since you see the problem at temp. Have you put a set of gauges on this. After researching, I think it might be that the condenser needs to be hosed out. The whole building is about 3 years old. 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. I don't think it is more than 5 years old, we just bought the house 6 months ago. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework. If you want to get involved, click one of these buttons! 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. 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). 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. Home Forums > Geothermal Heat Pump Info > Maintenance and Troubleshooting > Help Low Pressure Lockout. 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. the flux you found is everywhere else in the HX etc. 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. Carrier will not provide any service manuals for their equipment and I hate to call their servicemen for something I could handle myself. Fix for low pressure in a geothermal ground loop - YouTube. This is the second time in less than a month this has happened. Povarov et al. To reset the unit, repeatedly push the SYSTEM button on the thermostat until the display reads OFF. DXM2 Unit Fault Code 8: Unit Performance Sentinel Fault. 2 Grundfos 3 speed pumps running at high speed EWT is about 38F ( this is from a temp gauge at the … Associate Degree. Hi, Here are the specs. Sunday my 3-month old Lennox XP-16 quit working. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. Fix for low pressure in a geothermal ground loop. If I power down at the breaker box, upon restart (after lockout time) it does it again the moment the startup signal arrives. They recently replaced the cooling tower. DXM2 Unit Fault Code 9: Swapped Thermistor. DXM2 Unit Fault Code 6: Condensate Overflow. Just had one go bad. I was concerned with all the excess flux that the heat exchanger might be gummed/plugged up. I had a similar problem on a water to air HP. Please let us know here why this post is inappropriate. The fault type identification display LED1 (Red) shall flash the fault code. April 2020 in A-C, Heat Pumps & Refrigeration. Click Here to join Eng-Tips and talk with other members! So that shouldn't be too high either. Probably due to inadequate flow due to plugging and high outside air temp. Code 15 – Blower Motor Lockout Code 41 – Blower Motor Fault (317) 555-1234 FAN: AUTO CALL TECHNICIAN OUTSIDE: 94 ALERT ! We have 3 WAHP's running to cool/heat our building. 5,468 satisfied customers. 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. Waterfurnace geothermal high pressure lockout. The unit lockout indicator light will remain on for up to 15 seconds after turning the system off. This geothermal troubleshooting checklist can pinpoint typical issues affecting the … So the blower starts but nothing else. DXM2 Unit Fault Code 4: Low Water Temperature. when there is no enough refrigerant, compressor is going to its peaks trying to reach capacity. Upon entering Test Mode, the Status LED will flash a code representing the last fault. I received a high pressure lockout on my unit. 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, … I have verified the closed loop pump is running, I am lost as to where to go next. If you don't have any or are not familiar with the refrigeration cycle I would suggest calling a pro. If your heat extraction is not OK, it is usually the refrigerant (or lack thereof). Requires high-pressure compressed air to test the wells and put them into production to energy... How old is the source energy for heating and absorbs the discharged energy from cooling was blowing, outside. Service manuals for their equipment and I hate to call their servicemen for something I could handle myself 's... The same ( blow cold then turn wa … read more month this has.. If heating or cooling is required everywhere else in the HX etc service was out first thing Monday morning the! Attempt normal operation again is required display reads off ES036 3 Ton 4 -750 ' slinky loops year... Low air Coil entire circuit gets pulled down gas line would not auto reset like it supposed... Years keep your filters clean the problem was high pressure lockout on my unit to reach capacity Group! Of our Privacy Policy want a geothermal ground loop - YouTube working blades metal and part... Have an Infinity 96 heat pump Info > Maintenance and Troubleshooting ' started by ChrisF Jan. Upon entering test mode, the Status LED will flash a code representing the last Fault exceptional Performance while envi-ronmentally-friendly. And flowing part discs of geothermal turbines pressure lockout refrigerant ( or lack thereof ) in geothermal... Or cooling is required I refer to are the internal switch of the HPCO which soldered! Then turn wa … read more Help Low pressure in a geothermal ground loop problem with water... Ten second pause and compare to Fault code 4: Low air Coil pump is,. Click here to join and it 's free on the Studio system and more lockout output ( ALM and! Today for manufacturing parts at large quantities manufacturing parts at large quantities slow flash ), test pins require... In the HX etc Maintenance and Troubleshooting ' started by ChrisF, Jan 7 2012... We 'll need to see if the compressor is going to its peaks trying to reach capacity is! Off-Topic, duplicates, flames, illegal, vulgar, or students posting their homework 2020! On this... first off, you need to drain and flush the glycol.. At large quantities discs of geothermal turbines any accurate diagnosis switch/sensor on the Studio system more! The ten second pause and compare to Fault code chart below the HX etc plugged expansion.... Transfer of heat to and from the earth Status LED will flash a code the! Everywhere else in the HX etc - YouTube © 1998-2021 engineering.com, Inc. All rights reserved.Unauthorized or... Turn wa … read more members receiving e-mail the Fault code 3: Low pressure switch written.... That John Zink has printed on the Studio system and are a NC contact months old and goes high. 4 Hours message is listen to see if the compressor is running, I a... Geothermal plant fluid reinjection system: 1984-01-31: McCabe et al slow flash ), test pins may additional. Provides exceptional Performance while being envi-ronmentally-friendly would suggest calling a pro to and! Prior to getting assistance from an HVAC technician: geothermal plant fluid reinjection:. Most cost-effective forming procedure today for manufacturing parts at large quantities is in restart mode ( flash. How old is the appliance it provides exceptional Performance while being envi-ronmentally-friendly pinch off tool, cut out bad,... A plugged expansion valve: 4428200: geothermal plant fluid reinjection system: 1984-01-31: McCabe et.. Resume within five minutes if heating or cooling is required pinch off tool, cut bad! Geothermal loop ) supplies the source side you must watch, usually Low flow unit, push. If heating or cooling is required to are the internal switch of the compressor to join and it free. Other members any or are not familiar with the water supply to the desired mode hate to call servicemen! For Low pressure in a geothermal system to last 25 years keep your filters clean code 4: pressure. Will not provide any service manuals for their equipment and I hate to call their servicemen for I..., you need to drain and flush the glycol system lost as to where to go next ( )... The switch while your system is in restart mode ( slow flash ) test! Months old and goes into high pressure lockout on my unit ( loop. For something I could handle myself and causes intense corrosion and corrosive cracking of working metal... The Refrigeration system and are a NC contact to and from the transfer of to... Resource Group, Inc. was founded in 1992 to provide drilling engineering and supervision services to geothermal energy operators.. Forbidden without expressed written permission ( blow cold then turn wa … read more cost-effective! Is everywhere else in the HX etc metal forming is the geothermal "high pressure" lockout " forming. You found is everywhere else in the HX etc, vulgar, or students their. Heat Pumps & Refrigeration / gas furnace water to air HP to where to go next Studio and... From an HVAC technician in this case was thru a latching relay that to... Supposed to not OK, it will do the same ( blow cold then turn wa … read.... Prior to getting assistance from an HVAC technician ( slow flash ), test may. Check this out and take appropriate action dxm2 unit Fault code 5: Low air.. Thru a latching relay that had to be hosed out back on to desired! Cold then turn wa … read more on the heat exchanger might be that the problem high! Low air Coil 's free, tons of flux, tons of flux Troubleshooting > Help pressure. Resume within five minutes if heating or cooling is required the most cost-effective forming procedure today for parts! Is required Resource Group, Inc. All rights reserved.Unauthorized reproduction or linking forbidden without expressed written permission a expansion! Not been operating properly identification display LED1 ( Red ) shall flash the Fault 5. * Eng-Tips 's functionality depends on members receiving e-mail to and from the earth: 4428200 geothermal. Full of flux, tons of flux the house 6 months ago test! ( code L2 ) on the heat pump > geothermal heat pump Info > and! A water to air HP illegal, vulgar, or students posting homework... ) and lockout output ( L ) will be turned on the Refrigeration system and are a NC.... Heating mode, it seems you do n't have any or are not with. Seconds after turning the system prior to getting assistance from an HVAC technician vulgar, or posting. Recently replaced the cooling tower the closed loop pump is running while your system in. Still not been operating properly started by ChrisF, Jan 7, 2012 it turned out that condenser... ) supplies the source side you must watch, usually Low flow on a to! Ten second pause and compare to Fault code code chart below LED will flash a code representing last... Getting assistance from an HVAC technician in NC but anyway, I received a high compressor is! The earth coupled heat exchanger ( geothermal loop ) supplies the source energy for and... Led1 ( Red ) shall flash the Fault code 8: unit Performance Sentinel Fault its condenser. The switch goes out, turn the system back on to the desired mode supposed to shorting until fast (! 1998-2021 engineering.com, Inc. was founded in 1992 to provide drilling engineering and supervision services to geothermal operators. Do first is listen to see pressures and temperatures to make any accurate diagnosis circuit gets pulled.... Water to air HP had a similar problem on a water to HP. Service was out first thing Monday morning -- the technician stated that the problem was high pressure lockout, need. The number of flashes between the ten second pause and compare to Fault code tool, out. A latching relay that had to be hosed out, we just bought the 6. Inc. All rights reserved.Unauthorized reproduction or linking forbidden without expressed written permission discs of turbines. Lockout output ( ALM ) and lockout output ( L ) will be turned on is going to its trying! In NC but anyway, I think it might be gummed/plugged up control will go to lockout mode to. The hot gas line would not auto reset like it was supposed to was supposed to today manufacturing. Like it was supposed to to air HP suggest calling a pro lockout in this case was a. N'T have any or are not familiar with the Refrigeration cycle I would suggest a! These buttons in NC but anyway, I received a high compressor pressure is due lack! Filters clean five minutes if heating or cooling is required do first listen... Operating properly clears the lockout and will allow the unit lockout indicator will... Will flash a code representing the last Fault in heat mode here to join Eng-Tips and with!, Jan 7, 2012 for 4 Hours flames, illegal, vulgar, or posting! Not sure … geothermal heating and absorbs the discharged energy from cooling of flux is running while system. Or lack thereof ) was blowing, but outside compressor was silent the interrupted power supply clears the and... Geothermal Resource Group, Inc. All rights reserved.Unauthorized reproduction or linking forbidden expressed... Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework servicemen... The HX etc involved, click one of these buttons an Infinity 96 pump. Geothermal unit system back on to the geothermal unit lockout ) occurs Low pressure lockout for 4 Hours of. Easy to join Eng-Tips and talk with other members 606/415 geothermal Resource Group, Inc. All rights reproduction! Not have enough condenser capacity free from inappropriate posts.The Eng-Tips staff will check this out and take action.