If you've got a Worcester boiler that's overheating it could be caused by things such as a faulty fan, pump, blocked pressure release valves, or even a condensate blockage. 2. We've published lots of material about why your AC won't cool and why your heating system won't heat. Freeze Fault, Air Coil - Blocked Return Air. Geothermal Heating & Cooling Troubleshooting Change of Phase When a solid melts and becomes a liquid, we say it changes phase from a solid to a liquid. Available with either die cast brass or composite . Bosch Flo-Link Pressurized Flow Centers. The Fix: If the condensate goes outside and it's frosty, watch this video for advice, or simply pour a kettle of hot water over it. #2. We've saved the best (or perhaps the simplest?) Elevated Head Pressure Caused By Low Air Flow (in heating mode). In some cases, a dirty air filter will be the only problem with your geothermal system. Inspection: Check for blockage in the water coil. Try to reset your boiler, if the code still persists then you'll need to contact an electrician or your electricity provider. We're one of the only HVAC companies in the Atlanta area that knows how to work on geothermal systems! . We'll take a look at some of the most common geothermal heat pump problems you're likely to face. DXM2 Unit Fault Code 6: Condensate Overflow. If the motor doesnt start, replace the ECM motor. The water pressure inside that loop has to be sufficient for the water to get the heat to your home in an effective manner. For other gas or oil boilers then external condensate runs must be kept to a maximum of 3 metres and must be insulated. Question About ClimateMaster and Bosch Geothermal Heat Pumps Our builder was under contract to install a Bosch geothermal heat pump unit in our new house. However look at the EER, SEER, and COP to really compare. They are coming back tomorrow to drill a new well and install a new loop. The condensate overflow sensor must sense overflow level for 30 continuous seconds to be recognized as a CO fault. Reset power to breaker for 30 seconds. Geothermal systems can experience all of the same problems, which include: Bad blower fan motor Dead capacitors or bad contactors Refrigerant leaks Clogged condensate drain Simple issues like a tripped breaker, bumped disconnect switch, or dead batteries in the thermostat You may poop on a rock; You may wipe with your sock but Hows my work for a first year apprentice? When operating, there will of course be audible sounds coming from the unit itself, or even from the air ducts and water piping in your property. a. > Condensate Overflow Switches > Geothermal Extended Range (TXV) Ready * Rotary Compressor on sizes 1 and 1.5 ton, ** PSC motor on sizes . bAd linE (F12) The voltage is too low - it is below 240 volts. There are a number of reasons that can cause your geothermal system to provide low cooling or no cooling: The air filter in the heat pump is clogged - heat pumps work by transferring heat from one location to another; in order to do this, there has to be enough air flow in the system to allow . 1. For fan speed adjustment details, please refer to the product's manual (available for download The fan runs, but the compressor is not operating. Typically, we perform a visual analysis of all above-ground components to find any and all leaks. TBF the way he took out the pump on the washer was totally not as the Bosch instructions that may have taken me half a day. The Red fault light will flash to indicate fault status. Unlike more common air source heat pumps, geothermal systems use pumps to move water through a ground loop. a. Reddit and its partners use cookies and similar technologies to provide you with a better experience. And, for that matter, for the water to move heat out of your home during summer! 7738005068. Discussion in 'Maintenance and Troubleshooting' started by billynoah, Dec 12, 2016. Other times, it makes more sense just to replace it. Geothermal as an alternative to traditional heating and cooling. In this instance, your Bosch hot water heater will not operate and won't produce hot water until Bosch fault code 11 has been investigated and repaired. Check water valves and pumps for correct operation. Check 16 pin harness connection and continuity for each wire. He installed a ClimateMaster TEV038 instead. This video is courtesy of Bosch eAcademy, for more training resources please visit https://www.training.boschprohvac.us/ Check the water temperature, is it below 40 entering? Check for 24V between R & C on ECM board. Re: Diagnostic Codes. Home Service Get support Service Products Service Experience Bosch Bosch innovations Error Codes Your Dryer shows an error code on the display? Your geothermal system depends on water, so leaks are always a risk. Is The Thermostat Calling For Compressor To Operate And Is It Sending 24vac To The Heat Pump? Could any of you HVAC wizards give your input on things such as cost difference between the two, reliability, customer service/warranty, efficiency, etc.? Quiet Operation All panels are insulated with " thick, 1.5 lb./cu . c. In free-return applications, check that there is adequate space between the return air opening and walls (or other obstructions). b. a. But first. 1. Bosch Pressurized and Non-Pressurized flow centers are built for easy installation and are available in a wide variety of combinations. About Bosch Thermotechnology in North America Bosch Thermotechnology is a leading source of high quality heating and cooling systems in North America. If it is wet, this may mean that the pressure relief valve is faulty. LINK, Please refer to this service bulletin for further details of how to clean the water coil; If the motor starts, replace the ECM Interface Board. Water Heating & Filtration. It does have a trap filling program, which will kick in if you turn the boiler off for a few minutes then turn it back on again. Open 25 sec.) This error means what it says, it's detecting moisture in the overflow. The easiest way to explain this is that there can't be a lot of heat transfer to the air when there's, you know, not a lot of air moving through the system. If no voltage is present from G to C, please review thermostat or thermostat wires. Low Water Temperature a. Low (or no) Water Flow Through The Coil a. a. If there is any pin that doesn't have continuity, change the harness. Mark Custis Not soon. Reasons Your Geothermal System May Not Be Cooling. (y=1,2; e.g. Sunny Sussex. Stuff happens. ENERGY STAR certified for . DXM2 Unit Fault Code 5: Low Air Coil. Bosch Heat Pump SV Model: i Series The i Series SV Model is a cost-effective single stage water source heat pump that is designed for residential and commercial retrofits as well as new . For prices and detailed information, please, give us a call: 1 888 205 7766 For the trade only. E05 There is a wash arm diverter circuit in main control board fault/error. Bosch-FHP Geothermal BP models: BP012 - 1 TON BP018 - 1.5 TON BP024 - 2 TON BP030 - 2. . Geothermal systems still contain many of the same components as typical HVAC systems and can experience exactly the same problems. Monitor loop temperatures. The condensate overflow sensor must sense overflow level for 30 continuous seconds to be recognized as a CO fault. Bosch Geothermal SM Model Rev C. The SM Model is our premium, high efficiency, residential water source heat pump, available in sizes of 2 to 6 tons to suit your needs. A condensate line should be vented after the internal trap if more then 6' horizontal run. On the ECM Interface board set the adjust pin to test while verifying that G to C has 24 volts. Get in touch Contact our outstanding service - before and after the purchase. 1. HERE). We make an effort to be clear and accurate based on the information provided by Bosch/FHP. When the pressure falls outside of the manufacturer-specified range, the system just won't heat or cool properly. I hear noises when the heat pump Is running. The beauty of geothermal HVAC systems is that they heat your home in winter by extracting heat from the ground. 7738005069. Freeze Fault, Air Coil - No (Or Low) Air Flow. Industry Professional Forum Leader. Move FAN switch to ON at thermostat. Turn the power off to the unit on the breaker panel, correct the wiring issue, then turn the power back on. 3. The fact that they come standard with the 10 year parts and labor is fantastic. Therefore, the control will go into lockout mode once the FP2 fault has occurred. This is the WSHC(X) Series (C-PSC , X-ECM Motors) Horizontal Water Source Heat Pump. Ensure that thermostat is on and is calling for "Y". DXM2 Unit Fault Code 8: Unit Performance Sentinel Fault. Check refrigerant pressure with your gauge set. I'm having issues with a Bosch geothermal that is kicking out a condensate code . DXM2 Unit Fault Code 10: Airflow Fault. Bosch Inverter Ducted Split System 2.0: The second generation Bosch inverter heat pump has top ratings of 20.5 SEER, 14 EER and 10.5 HSPF. Consult the blower performance table in the product manual. There are NO blinks on the UPM board's LED. ..They were back out today and determined that one of the loops had a manufacturing defect and were not able to push anything through it. (1) Please go to . This indicates that an "Evaporator Freeze Condition" has been detected. Fast closing valves were used when installing the unit. The light indicates it is a water flow problem. This is what will appear on your boiler. This indicates that a "Condensate Overflow Fault" has been detected. HOWEVER, only 5 years on the labor is not acceptable since you were under contract for a unit with a 10 year part and labor warranty. DXM2 Unit Fault Code 11: Low Air Coil Pressure. https://www.geoexchange.org/forum/threads/new-geo-flo-gpm-circulation-pump-noise.7022/, http://www.waterfurnace.com/literature/geolink/im1547ew.pdf, http://www.climatemaster.com/downloads/Common_Issues_with_Geothermal_Heat_Pumps.pdf, (You must log in or sign up to reply here. The Bosch gas hot water fault code 11 signifies that there is a fault with the unit's ignition. Fan module protection. Please refer to this service bulletin for a description of the water quality requirements for our water source heat pump products; Seems like a lot of work that one would think could have been avoided and / or caught earlier on but at least it's getting taken care of. a. Freeze Fault, Air Coil - Low Refrigerant. The UPM board's LED is blinking FOUR times. Check High voltage at ECM motor harness circuit. Geothermal Flow Centers from Bosch At a glance Simple and fast installation Eliminate the possibility of leaks Available in pressurized and non-pressurized options Benefits Why Bosch Flow Centers? b. a. Test Mode - CO Fault in Memory. Check 16 pin harness connection and continuity for each wire. Unfortunately, a blocked condensate pipe is one of the more common Worcester Bosch boiler faults particularly in winter, if the pipe is exposed to the elements. EA is most likely a frozen condensate, there's not so much dirt in that trap that it would . a. Check the duct work for blockages or damage. If you have one of the following gas hot water heaters: Bosch Electronic Highflow 17e, 21e, 26e Bosch Highflow Condensing C21 or C26 One of the fault codes that you may come across is an error code 11. In this change, the bonding between the atoms or molecules changes. a. Read This First, What Every Property Manager Should Know About HVAC, The Best Time of Year to Get a Whole-House Dehumidifier, Not enough heat in winter or cooling in summer, Rooms suddenly aren't heating or cooling evenly, Visible water leaks from system components, Weird smells or noises coming from the equipment, Simple issues like a tripped breaker, bumped disconnect switch, or dead batteries in the thermostat. Try to reset your boiler, if it doesn't reset then then contact Worcester Bosch or BOXT. The fan runs, but the compressor is not operating. With those points out of the way, here are five of the most common issues we see with geothermal heat pumps. This requires energy. geothermal heat pumps are perhaps the best examples of smart technologies growing in demand and shaping the future of Bosch. . Dirty air filters starve your HVAC system of air. 1. Condensate Overflow = Code 7. The BP model comes equipped with the quality and innovative technology that only Bosch can . If this happens, your boiler would display a fault code which could be . In either case, if your heating system keeps losing pressure you should do one of the following to get advice or help: Contact your installer or local Worcester Accredited Installer Call our Contact Centre on 0330 123 9339 How do I find out if there is a problem with my boiler? If so, check that the "FREEZE 1" resistor on the UPM board has been cut to set the unit to antifreeze mode. We're trying to decide if it's worth holding him to the contract or if the substitution isn't that bad after all. Luckily, we don't usually see water spewing out from these systems. 1Hd stands for slave unit 1 error) 3 times of PL protection in 100 minutes. NOTE: During testing, Motor access panel should be closed. All electrical conduit, water lines, and duct work connection to the unit should be flexible, as this will help prevent noises and vibrations from being transferred from the unit to the structure. Product Documents Spec Sheet Spec Sheet 2023 PV Heating & Air All rights reserved That's usually all that's involved. If not resolved, call Bosch Customer Support at 1-800-944-2904 for assistance. Home Forums > Geothermal Heat Pump Info > Maintenance and Troubleshooting > High pressure fault in heating. Expert advice on water quality and water filtering & heating systems. Check High voltage at ECM motor harness circuit. b. You have to "break" some bonds to go from a solid to a liquid. Geothermal. 15 Feb 2021. Also, your sump could back up into the drain pan if the vent is sealed. 3605 Clearview Pkwy Atlanta, GA 30340 If not resolved, call Bosch Customer Support at 1-800-944-2904 for assistance. Condensate Overflow = Code 6. The Bosch Group has been a leading global supplier of technology and services in the areas of Automotive, Industrial Technology, Consumer Goods and Building Technology for over 100 years. We created an overview with all error codes for your dryer. Sometimes, we can repair the pump. This signifies a mains power fault or that the power has been interrupted during a lockout. Location. Options: . Is joining the exhaust and intake a thing?? E03 There is a main control board relay fault/error. The fan runs, but the compressor is not operating. Description of Operation LED Alarm Relay Normal Mode On Open Normal Mode w/UPS warning On Cycle (Closed 5 sec. It may also be advisable to increase the pipe diameter to 32mm. This pipe vents harmful gases from your property. HERE). Discharge temperature protection. I've designed systems for all the OEM'S and WF is the best. PART NUMBER 8733904579. For further details on all of the points below, please refer to the product's manual (available for download HERE ). The UPM board's LED is blinking SIX times. F13. ive seen it a Press J to jump to the feed. Geothermal systems in the Great Basin, USA, are controlled by a variety of fault intersection and fault interaction areas. Cause error The cause error is a three-digit number that is usually found in the information menu. Do you think there is any valid argument I can present to the GC that would convince them to replace the pump or would that be on me? For this, you will need a fully qualified technician to replace this part on your Highflow Condensing gas hot water heater. 3. Knowing when and how to reset them can be daunting, as the faults may still be operative. Will the labor and materials cost pay for itself in a reasonable amount of time? LP, Condensate & Freeze detection, over/under voltage faults along with communicating thermostat capability for complete fault detection text at the thermostat. Check for 24V at G & C (should be the same as R & C) terminals on ECM board. Check the drain line and pan for blockages, inadequate trapping, or double-trapping. Open circuit indicates that the coil has failed. Fill the water heater tank with water and than press ENTER to stop the alarm and POWER when the tank is full of water. What should be checked? a. Compressor current protection. Energy Recovery Ventilator (ERV) Services. Hi, The fault light has come on my geothermal Water Furnace system. The Bosch Group has been a leading global supplier of technology and services in the areas of Automotive, Industrial Technology, Consumer Goods and Building Technology for over 100 years. Geothermal systems can experience all of the same problems, which include: Your geothermal system is unique because of how it uses the ground for heat generation and removal. Only professionals who are qualified to work on such equipment should do so. This indicates that a "Condenser Freeze Condition" has been detected. Geo-Meter Mechanical (Variable Area) Flow Meter Tool. If the system is old and has had several problems, replacing your geothermal heat pump might be the most economical option. Common fault 3: Boiler failing to ignite This may indicate that the contactor is not energizing. c. Inspect air coil for dirt or debris clogging. Replace the fast closing valves with a slow-close type instead. Low pressure protection. Then we replace the leaky gaskets or any other corroded hardware. Check water valves and pumps for correct operation. Check the water temperature, is it below 40 entering? DXM2 Unit Fault Code 9: Swapped Thermistor. b. Heat Pump & Air Conditioning Systems Overview, Water-to-Air Geothermal Heat Pump Systems, Water-to-Water Geothermal Heat Pump Systems, Product Approvals, Certifications, Recalls & Regulatory Info. The experts from Bosch Home Appliances are here to help. To access this you need to press the spanner/return button on your boiler. In free-return applications, check that there is adequate space between the return air opening and walls (or other obstructions). If possible, reduce the water temperature or increase the water flow rate. What could they be, and can I reduce them? Geothermal Heat Pump: Climatemaster. Check for blockages or damage to the air ducts and grilles. By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. This is why you carry wire on your service vehicle. And make sure you have adequate antifreeze protection. Features CE Model Cabinet Cabinetry is constructed using white pre-painted, galvanized steel for a sleek appliance aesthetic. Cost is higher, but indoor climate control is superior. > Field Install Internal Electric Heat Packages (5kw-20kw) > Field Install EMS Relay > Field Install Pump/Valve Relay. Worcester Bosch Fault error The fault error is an alphanumeric code that will indicate the fault group. a. Can the heat pump's fan speed be adjusted? If it has, go change the filter right away. If pipework is not sufficiently sized and insulated, freezing of the condensate may occur. Discussion in 'Maintenance and Troubleshooting' started by Mark Custis, Feb 12, 2014. b. Ohm out the contactor coil. He installed a ClimateMaster TEV038 instead. If your Worcester Greenstar boiler suffers from EA errors and you need it repaired please contact me through contact section on this web site. a. a. Please refer to the manual for correct installation guidelines. Geothermal HVAC systems present a neat solution for regulating the temperature in your home. Our builder was under contract to install a Bosch geothermal heat pump unit in our new house. And finally, does over pumping present any issue other than energy waste? Learn more Residential Delivery Add to Cart Add to Wish List Compare this Product Availability: In Stock Brand: Bosch Product Code: SM036-1CS SKU: SM036-1CS Product views: 602 Share: CXM is non-Functional Off Open Fault Retry Slow flash Open Re: Diagnostic Codes. For further details on all of the points below, please refer to the product's manual (available for download To Reset --> Cycle Power to the board or unit This article was: Helpful | Not helpful Report an issue Article ID: 160 Last updated: 16 Dec, 2022 Revision: 4 Views: 1375 Comments: 0 Prev Next FHP Our team will diagnose the problem with your geothermal heat pump and apply the best fix for your long-term comfort. High temperature protection of condenser. a. Check "Y" connection from thermostat, and ensure that there is 24vac across "Y" and "C" terminals in heat pump when thermostat is calling. Ditch both Bosch and Climate Master. Mostly because I've installed many of them with very happy customers and the Bosch line is new (at least in the U.S.) and hasn't been put to the test yet. If no voltage is present, ensure that high voltage is present to the unit. Press question mark to learn the rest of the keyboard shortcuts. Moved into a home this fall and had a Geothermal heating system installed. A little trick the EPA doesn't want you to know about. 1. By accepting all cookies, you agree to our use of cookies to deliver and maintain our services and site, improve the quality of Reddit, personalize Reddit content and advertising, and measure the effectiveness of advertising. 3. To clear the Bosch fault code 92 the neutraliser will need to be replaced. a. 18,359. All you have to do is clean or replace it per the manufacturer's guidance. 2. After all, a ground source system heat pump has several components not found in most HVAC setups. What should be checked? Slave unit malfunction. Unit Has Been Connected With Solid Installation Hardware Instead Of Flexible Hardware. Of course, . They are built in anticipation of fault-triggers from an unstable environment, which causes them to lock. Call us today to get your estimate. Here are some common indicators that something's wrong with your geothermal heat pump system: And if the system just isn't cooling or heating at all, well, that's obviously a problem. Besides being incredibly efficient, especially during the winter, they also last a whole lot longer than a typical split heat pump system. The fan runs, but the compressor is not operating. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact us Creators . Indoor Air Quality. How do you end up with improper ground loop pressure? Thanks in advance! Condensate pipework will be in white, grey or black plastic and around 21mm or 35mm in size. For 208/230V at L1 & L2 (black and white wire), for 265/277V at L1 & N (must be within 10%). Well, the subterranean loop tends to expand over time, so you might need a professional to add a small amount of water to keep things balanced. Product Documents Spec Sheet Spec Sheet b. a. Unit Not Mounted On A Full Anti-Vibration Pad. I'm moving away from new appliances to . We know that a New Geothermal drains it's condensate properly, but with use our "Things" undergo a transition from working well to working not so well. We found a chap who has repaired our dryer for 50 and a new pump on our washer for 85 both Bosch. You probably have an overflow due to a clog so you need to check the entire flow path from the pan to the floor drain to make sure the water is flowing properly. To me that would be what he needs to match. An evaporator freeze may only occur in cooling mode when the air coil is now on the low pressure side of the refrigeration operation. The information you need to be sure your family is breathing healthy. Adjust the unit's mounting location to avoid physical contact with any part of the building's structure. Find a local guy who repairs all these items. No fault assigned to code 4 5 Invalid: No fault assigned to code 5 6 Condensate Overflow: Blocked Drain Moisture on Sensor: Poor Drainage Clogged Air Filter: Restricted Return Airflow 7 Over / Under Voltage: Voltage Too High Voltage Too Low: 8 Invalid No fault assigned to code 8: 9 Invalid No fault assigned to code 9: 10 ECM Low RPM If possible put some pipe insulation on condensate pipework. A subreddit for Heating, Ventilation, & Air Conditioning Technicians. Aurora uses the Modbus communication protocol to communicate between modules. If no voltage is present, ensure that high voltage is present to the unit. FD 231. Rely on our helpful generator research . Geothermal Heat Pump: Waterfurnace. What should be checked? The company was founded in Stuttgart, Germany, in 1886 and today has more than 300 subsidiaries in over 150 countries. b. It is a Bosch SM024 Greensource Cdi Model. Has it been awhile? I need some input. Check pressure drops to determine flow. The UPM board's LED is blinking THREE times. It's more common to see a slow leak develop - a leak that doesn't cause problems at first, but will cause problems once enough water has escaped from the system. a. For 208/230V at L1 & L2 (black and white wire), for 265/277V at L1 & N (must be within 10%). I'm having issues with a Bosch geothermal that is kicking. $5,640.00 Buy in monthly payments with Affirm on orders over $50. d. Check duct work for obstructions (including if dampers are closed or blocked). I've also found that the specs on the ClimateMaster appear to closely line up with the Bosch CE035, so I suppose that would be the Bosch system they would have installed if they stuck to the contract. If you are not a member of the trade, please post in our Q&A sub, r/hvacadvice. 2. We can help. Bosch -FHP Geothermal CE models: CE025 - 2 TON CE035 - 3 TON CE049 - 4 TON CE061 - 5 TON CE071 - 6 TON Electrical Characteristics: 208-230/1/60. Low (or no) Water Flow Through The Coil. Bosch SM036-CS 3 Ton Geothermal Heat Pump Bosch SM036-CS 3 Ton Geothermal Heat Pump Loading. Check fan motor for correct operation. Hose Kit w/3-way Valve for Non-Pressurized Flow Centers. Safety Notice - This is a high voltage product and contains refrigerant. 3. Been one hell of a year for this small contractor Was practicing soldering on a condenser and this now I know why my pressing machine didn't work as it should. It's very much not unique in other aspects. Ensure that all ductwork and grilles are correctly sized for the unit's air flow. b. Condensing Gas Boilers Singular Wall Boiler Type Spare Parts Diagram Download Download (PDF 1.3 MB) Greenstar Wall Boiler Type Spare Parts Diagram Download Download (PDF 3.3 MB) Greenstar Floor Boiler Type Spare Parts Diagram Download Download (PDF 4.3 MB) Greenstar Boiler Type Spare Parts Diagram Download Download (PDF 2.6 MB) Greenstar Boiler When questioned, our builder said he did it because the ClimateMaster is more efficient due to their internal variable flow system. The control board in these WSHPs has a Green status light and a Red fault indication light. Check wiring to ensure that there is 24vac across the contactor coil. When a fault occurs a Bosch hot water error code will blink on the status monitor of the water temperature remote controller. It needs to be recharged by a professional so that you can keep feeling comfortable inside your house. DXM2 Unit Fault Code 12 . Privacy Policy, We're one of the only HVAC companies in the Atlanta area that knows how to work on geothermal systems, Not All Variable Speed HVAC Systems Are Created Equal, Thinking About Going All Electric? Have installed a few Bosch's since then. Elevated Head Pressure Caused By High Water Temperature Or Low Water Flow Rate (in cooling mode). 1. What I have determined is that Bosch has a better warranty (10 year parts and labor as opposed to ClimateMaster's 10 year parts and 5 year labor). Check the condensate pan to see if the water level is high. 1. The Unit Is Physically Touching A Wall Or Other Part Of The Building. Flo-Link double O-Ring fittings eliminate the possibility of leaks and simplify installation. The company offers tankless, point-of-use water heaters, Never attempt DIY hot water heater repairs, if you are unqualified to do so, as this is extremely dangerous, not to mention it could void your . However, their ability to do so depends on water inside a ground loop absorbing all of that heat and moving it to your home. I've installed FHP's who was then bought out by Bosch. We are a full sevice heating, air conditioning, and geothermal experts providing services in Solon, Cedar Rapids, Iowa City, North Liberty, & Coralville! If the pump stops working, neither the water nor the heat it contains can circulate throughout the system. There are any number of fault codes your boiler can generate that relate to this issue including D1 286, E5 218, E5 332, E9 219 and E9 224. Is the heat pump connected to a closed loop with antifreeze? There are multiple motor types that are available when the customer is selecting the specifications for the LV heat pump, and all but one of them do offer fan speed adjustment (the 575v PSC motor option is single-speed only). The company was founded in Stuttgart, Germany, in 1886 and today has more than 300 subsidiaries in over 150 countries. ). Are there water quality requirements that must be followed? Therefore, the control will go into lockout mode once the FP2 fault has occurred. Condensate overflow will be monitored at all times. Thanks Doc. Those are your efficiencies and if they are comparable I would stick with the climate-master. Foam insulation stops condensation, and a high impact polystyrene cabinet prevents rust over time. (Condensate fault - check drain pan and trap for restriction). Don't be left in the dark. It uses a sensor, so either there really is water, or the sensor/board has an issue Ask Your Own HVAC Question There is moisture in the tray that runs along the base of the condenser I'll put panel back on and send you a photo HVAC Technician: Tamar D Bosch Geothermal Water Source Heat Pumps. Waterfurnace is superior in every way. The loop consists of (2) 150' vertical wells. Leaks in the loop are pretty rare, so that's not usually the reason why you'd need to address ground loop pressure. Quick Take-Aways - The Best Model for You. A condenser freeze may only occur in heating mode when the water coil is now on the low pressure side of the refrigeration operation. after 4 british gas engineers have been looking for the issue causing the ea error code on my worcester bosch 29cdi boiler, and the last british gas final solution was to drill a hole at the. LINK, Bosch Thermotechnology Corp. 2023, all rights reserved. Be careful emptying that, there's quite a bit of water there and if you get it wrong it can get into the PCB. Create an account to follow your favorite communities and start taking part in conversations. On really cold days, the ground is a lot warmer than the air outside, so geothermal systems can heat extremely efficiently. The HP will lock out while the sump water will continue to overflow into the unit. for last! Test contactor with 24vac across "R" and "C". urthbuoy, Jan 7, 2012. If he efficiencies are comparable, I would probably be okay with it. Condensate overflow will be monitored at all times. Here in Atlanta, we've seen geothermal systems that have been in use for 25 years or more! This is also a 56dB unit at its quietest. It may be the condensate trap is blocked and the boiler needs to be serviced. Bosch Thermotechnology Corp. 2023, all rights reserved, Heat Pump & Air Conditioning Systems Overview, Water-to-Air Geothermal Heat Pump Systems, Water-to-Water Geothermal Heat Pump Systems, Product Approvals, Certifications, Recalls & Regulatory Info. DXM2 Unit Fault Code 4: Low Water Temperature. I have a WF unit with an ECM blower. With geothermal HVAC systems, some of the problems are pretty unique. Ensure air is out of the circulating pumps. Pump is Geo Flow UP26-116 - same as what's shown in this thread: https://www.geoexchange.org/forum/threads/new-geo-flo-gpm-circulation-pump-noise.7022/ - same installer?). Generators. Sealing your current "vented" pipe would invite siphoning in some circumstances. Understanding the specific geometry of the structures most conducive to broad-scale geothermal circulation is crucial to both the mitigation of the costs of geothermal exploration (especially drilling) and to the identification of geothermal systems that have no surface . Each module contains the logic to control all features that are connected to the module. When your geothermal heat pump is struggling to keep you comfortable, always think back to the last time you changed out your air filter. You may have poor fluid flow and/or low temperatures in the loop fluid. Front flush ports allow easy access during installation. When questioned, our builder said he did it because the ClimateMaster is more efficient due to their internal variable flow system. Mount the unit on a suitable anti-vibration pad. This packaged solution can individually replace your old system or be used for a new installation. Condensing boilers, like all modern ones including those made by Worcester Bosch, have a condensate pipe. We also need to check the system pressure in case enough water leaked out to throw things out of balance. If there is any pin that doesnt have continuity, change the harness. Personally I think that climate-master is a better unit. But that doesn't mean geothermal heating and air conditioning systems are invincible. This technical bulletin is meant to assist servicing contractors that may be experiencing units faulting on code 6 (condensate overflow protection) and upon inspection, the condensate tubing, both internal and external of the unit, are found to be free of restriction and are of proper size and slope away from the unit towards the drain. Most people with geothermal heat pumps love them. I haven't been able to find much information online about the differences between the two units. When you hire us, you get unmatched expertise and a dedication to honest, quality service that's hard if not impossible to come by among most heating and AC contractors in this area. > Condensate Overflow Switches > TXV (Extended Range for Geothermal Applications) > 75VA Transformer. 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