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Crazy coincidence that I ran into your post because I've been researching the same issue. Set the pump in the bucket and plug it in. Navien NPE-240A2 tankless water heater recirculation questions, Scan this QR code to download the app now. 1. I'm just wondering how long the Am I correct in assuming this means that the internal loop and buffer tank only heat up when there is there is demand for hot water (i.e. If the problem does not get resolved, replace the motherboard or control board or hire a professional t do it. Pour two gallons of white vinegar into a 5gallons bucket. How do I reset my Navien tankless water heater? It is located on the lowest corner opposite the on and off button. Efficient and earth-friendly products designed for any size home. You can find one on the PCB and the other one on the front panel. In the software display settings, I've also set it to internal recirculation with the "Always On" option. When the system is turned on, the timer kicks in and runs the pump according to the set time schedule. Navien Tankless Because I don't have a dedicated return line, does this mean that the unit (together with the NaviCirc component) is using the cold water line to recirculate? Internal Recirculation and make the selection by pressing the Ok button. I just had an NPE240A2 professionally installed last week. Efficient, durable and high-performance products for any commercial application. However, I have envious of those who have the NPE with the hot button and wifi link. The heater turns off automatically when the flue pipe surpasses 149 degrees Fahrenheit. For example, if you have a person showering and another individual shaving. Finally I got them to call the Navien support line to set them straight. For example, you may damp it into a bathtub, pushing the water through the isolation side on hot. Typically with tankless water heaters, the circulator needs to be properly sized. Do not advertise or try to compare pricing. Years of experience in the HVAC field have taught him many lessons, not the least of which is that the value of quality and knowledge far exceeds any promised initial savings. By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. Turns out, the recirculation mode has three performance advantages, including: Now, lets see how to adjust the recirculation mode in the next chapter so that you can enjoy the advantages I mentioned. With the old unit, in the kitchen faucet I measured around 1 minute for hot water to come in. Find brochures, manuals, guides, labels, specs, drawings, revits & certificates for Navien NFC-250/200H condensing combi-boilers. The issue is most likely, the flow sensor inside the unit is not spinning correctly. The exhaust is overheating. You can find one on the PCB and the other one on the front panel. Confirm the thermistor and wiring is in good condition. Here are some of the leading causes of cold water production; Which means there isnt enough time for the water to heat up. Solution: You have to inspect the sensors connectors to confirm they are not wet and fixed correctly. For example, it will boost up the energy consumption because the unit operates to maintain the water temperature within the circulation loop. Adjust the recirculation settings from the front panel. #1. Follow the steps below to clean your Navien water heater; Note: If you are unsure of your ability to handle this task, hire a professional to clean the heater. Specifically, you can find a number of dip switches on these two locations. Navien It may not display this or other websites correctly. Legal Disclosure:Lildutchuncle.com provides and shares information on plumbing, heating & air quality, home improvement, and other DIY projects. For the Navilink and recirculation to work: P01 must be set to your type of device P17 must be on for thermal bypass P18 must be on to allow communication with the Navilink. the Up or Down button. Make sure the electrical cord is grounded. Reservation Schedule #1 is ready to be set. I set my first three dip switch settings to ON, ON, OFF which is what the manual said the settings are supposed to be for intelligent pre-heating. Turn off the device for 30 minutes and then restart it. Works great and saves the copper pipes. Then check to see if the plumbing lines and the heaters water lines are clogged. Save my name, email, and website in this browser for the next time I comment. Copyright 2023 Grid Sub | Fuzion BlogbyAscendoor | Powered by WordPress. It usually occurs due to an open or shorted sensor. Therefore, when it malfunctions, it is a sign that the heater has another major underlying issue. As well as any future additions, Usage of household gadgets that require hot water, Automatic dishwasher 14 gallons or 1.5 GPM, Washing machine 32 gallons to wash the clothes or 2 GPM. What kind of range do you get from the remotes? A place for plumbing advice and help. Locate the reset button on the heaters front control panel. To change the water temperature; Check this too: Richmond Water Heater How to & Troubleshooting Guide. Navien Tankless IF it does, could it be controlled remotely? #1. WebWe now have a NR-240A unit and we were excited to have problems behind us. The unit was installed in the attic (two-story 2,600 sq. The manual also has dip switch settings for "External Recirculation" but I am afraid if I set it to that setting it will not use the "intelligent computer" and run all the time. Navien NaviCirc Recirculation Valve Description How it I don't hear the heater "fire up" right away when the tap is opened and can't tell if the recirculation pump is running. We get it, but (1) terrylove.com can't live w Get in touch with Navien technical support at 800-519-8794. There are no error codes showing. Ensure the recirculation pump was installed correctly. Thanks in advance for your time. The exhaust thermostat is malfunctioning. Designed for recirculation of domestic hot water in applications where a dedicated return line is not available. This depends on how long you leave it on and how often you use it. Either you select the Internal Recirculation Mode or the External Recirculation Mode, both these modes has three common recirculation loops: However, the External Recirculation mode has an additional recirculation loop called HotButton, which takes it apart from Recirculation mode. Check this too: Electric RV Water Heater How to & Troubleshooting Guide. The average electric tankless water heater needs at least 120 amps to work. This seems relatively new for navien and is in a recent navien technical bulletin from 04/18/16. Reddit and its partners use cookies and similar technologies to provide you with a better experience. Access the main menu by pressing the M button and select. So to speak "standard" recirc pumps are too small to get it the water heater to fire.If it is existing and it has worked in the past, then there may be something wrong with the circulator.Dave H. We have a Navien NR-240A installed in new construction in 2012. It will reduce the energy consumption and deliver you the best heating efficiency. Intelligent: This option detects the DHW use for a week and repeats the detected cycle. Follow the gas supplier's. Also the unit needs to be set to utilize the recirculation feature. Reconnect the power supply to the water heater. I have the newest version pcb since I just bought the tankless. Default recirculation schedule is every 30 minutes if a 9F degree drop is sensed. At the same time, someone is in the kitchen doing the dishes. Press the reset button to reset your device. I'm just wondering how long the We are on well water and have a low flowing well. Immediately call your gas supplier from a neighbor's phone. This setup is very similar to the one I have with my 40 gallon tank setup with recirc/return line by using an X10 home automation module to program the remote to turn the pump on for 4 minutes and automatically turn off whenever someone presses it before taking a shower. WebItems Description Return Line Sampling Time (P.14) Sets the length of time that the circulator will operate periodically in order to check the temperature of the recirculation return line and see if it needs to be re-heated. Protect the water supply and water heating equipment with eco-friendly water treatment solutions. When the system is turned on, the timer kicks in and runs the pump according to the set time schedule. Inspect the water feeder valve, water pressure, and water pressure relief valve. It is an indication that your warm water outlet thermistor has some problems. When I turn on a hot water faucet, the Navien does nothing and keeps showing the "Stand by" status on the display for 20 seconds or so, then kicks in (the display turns blue and there's a flame icon indicating the burner is on), but then almost immediately (2-3 seconds) goes into "Post purge" mode, then "DHW Wait" for a few minutes, and then back to "Stand by". Attach the water supply to support recirculation. Otherwise, you cant adjust your water heater temperature if you position this DIP switch to On. The 180A is its smaller sibling while this is succeeded by the 240A. Rather than using the hard wired door bell style push button that comes with the kit, I bought this remote control unit (. Research I've seen suggests this will save over 90% of the energy costs associated with 24 hour recirculation, which is essentially what you have. Could someone please confirm that I should indeed have well pump "ON"? Once you make the propane conversion, you can adjust the Switch 1 on the front panel. Make sure there are no loose connections. Setting range: 1 to 120 (in 1-minute increments) Default: 30 min Set the 2-way valve inside the water heater to EXT. 12 800-556-7556 or see HarryEklof.comFull Naivien information including dealer and Rep locators is available at www.navieninc.com Locate the reset button on the heaters front control panel. You can adjust the temperature while the display is flashing. Connect a regular garden hose to the hot side service valve. Each DIP switch controls the entire functionality of the hot water heater. Turn off the device for half an hour and confirm everything is working correctly. Hi, I have a 2.5 year old Navien NPE-240A with an external recirculation device underneath my master bath sink (furthest fixture from the water heater), which would pretty much instantly provide hot water. There is no dedicated return line, however, the NaviCirc component was installed under the kitchen faucet which is almost a straight line from where the unit is in the attic. Disconnect the power supply to the water heater. I know very little about plumbing and have a few questions that I would appreciate if any experts here could please answer for me. The water heater will retain your settings during a power outage. Navien For the Navilink and recirculation to work: P01 must be set to your type of device P17 must be on for thermal bypass P18 must be on to allow communication with the Navilink. Nearly Instantaneous hot water can be achieved with a Navien tankless water heaters with a proper recirculation system but is dependant on the homes piping system.Please contact Harry Eklof \u0026 Associates for more information or to set up a training class for your company. But you shouldnt change it until you convert the unit for propane use because gas type configuration is factory default. I have not adjusted any other parameters As I mentioned, this switch configures the water heaters gas type setting. It means there is some issue with a water pressure sensor. If any particular ad is your REASON for blocking ads, please let us know. Then I searched and discovered your posting. When should the recirculation be on for my Navien NR 240(A) and for how long?Can this being on affect whether the water gets hot or not?We have been having some problems occasionally with the water just never getting hot unless we unplug the water heater, wait a while, and then plug it back in. Navien He has a good standing reputation for superior skills in heating, air conditioning, hot water tanks, and indoor air quality systems. The cold water inlet one thermistor is defective. The error code E445 tells about the defect of the bypass mixing valve. WebPage 16: Setting The Recirculation Timer Setting the Recirculation timer Press the Timer button twice to set the Set the recirculation activation time by pressing Recirculation timer. Setting range: 1 to 120 (in 1-minute increments) Default: 30 min Set the 2-way valve inside the water heater to EXT. 12 Therefore, the total peak demand of hot water needed is the ideal size of the heater you should get. There is some issue with the front panel key. Navien This number indicates that the water pressure is high. Though we share resources, information, and educational guide on plumbing & DIY projects, the content here is not a substitute for professional guidance. The manual also has dip switch settings for "External Recirculation" but I am afraid if I set it to that setting it will not use the "intelligent computer" and run all the time. Hi, I have a 2.5 year old Navien NPE-240A with an external recirculation device underneath my master bath sink (furthest fixture from the water heater), which would pretty much instantly provide hot water. Also, check the feeder valve and pressure relief valves activity. The 2-way valve inside the Navien is set to internal recirculation. The DIP switch setting has some problems. Cookie Notice The 180A is its smaller sibling while this is succeeded by the 240A. I mounted the contact switch inside the cabinet per the kit instructions. Thanks. Fortunately, Navien water heaters recycle hot water and always provide hot water. A tankless water heater, whether it comes from Navien or other brands, will provide you a reliable service for up to 20 years if you maintain it according to the manual. About a year ago, the recirculation stopped working so I It worked perfectly. Read the users Navien nr-240a manual to get information on how to flush the heat exchanger and reset the remote for Navien tankless water heater. Turn off the power before removing the filter. Navien 240A Dip Switch Settings [Explained Everything] Every Navien Tankless Model, either 240A or 180A2, has two DIP switch locations.

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