The A2 is the upgrade that started shipping in March 2021. Designed for recirculation of domestic hot water in applications where a dedicated return line is not available. Circulation pumps can wreck havoc on your lines if you run them constantly due to friction at bends causing pinhole leaks. Crazy coincidence that I ran into your post because I've been researching the same issue. FYI: If you need to convert the water heater to propane, use the Propane Conversion Kit supplied with the unit. a faucet is open) and no recirculation is occuring? When the system is turned on, the timer kicks in and runs the pump according to the set time schedule. Pour two gallons of white vinegar into a 5gallons bucket. Given the highly critical reviews of the NaviLink app on the Apple iOS App Store, I am reluctant to buy until I can verify that 1) re-enabling schedules using the NaviLink app is easy to do and 2) we can use the NaviLink app to activate the CP on-demand (in other words, the app does, indeed, have a software-based button). First, you need to consider Things to consider when sizing the busiest usage period or peak time. I bought the remote PB you referenced above and the specs on it say it uses 12 VDC, but I couldn't find anywhere whether the 12 V supplied by the Navien board is either AC or DC. WebNavien Recirculation Settings have a lot of advantages. Navien NPE-240A2 tankless water heater recirculation questions, Scan this QR code to download the app now. The update is not perfect, but seems to be much more user friendly interface. What I am going to discuss in this article is-. The estimated annual operating cost of the Navien tankless water heater, based on the yearly estimated residential use per US Energy Department test criteria, is $191. To remedy this, you can take the two clamps off the sensor, pull it out and clean it. Depending on the age of your Navien NPE-A model, he did you a favor. It worked perfectly. Every A2 model On Navien Water Heaters, you can choose two pre-heating modes. Was I wrong to think that? Cookie Notice Turn off the power before removing the filter. Also the unit needs to be set to utilize the recirculation feature. Note: You can use the Internal Recirculation Mode in the A2 models only. For example, it will boost up the energy consumption because the unit operates to maintain the water temperature within the circulation loop. Thank you for posting. Also, check the filters to see if they are clean. Find brochures, manuals, guides, labels, specs, drawings, revits & certificates for Navien NFC-250/200H condensing combi-boilers. Examine and wash the intake air filter underneath running water using a toothbrush. Also, check the feeder valve and pressure relief valves activity. 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. We get it, but (1) terrylove.com can't live w Navien 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. It is located on the lowest corner opposite the on and off button. Navien If required, replace the thermistor. He obtained his Bachelor of Science degree from the University Of Texas at El Paso. Navien Tankless Water Heater How to & Troubleshooting Guide NAVIEN NR-20DU USER MANUAL 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". We don't tend to provide any plumbing advice or any advice that should come from a certified professional. The exhaust thermostat is malfunctioning. You can find two DIP switches on the front panel of this Navien Tankless Water Heater. 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. Recirculation is basically just keeping the hot water in the plumbing hot so you get hot water faster. #1. WebNavien npe-240a settings We have a Navien NR-240A installed in new construction in 2012. Navien Tankless here are some problems that you may have to deal with in the future or have experienced already primarily found in older Navien heater models; Though not a common occurrence, it is still essential to know how to identify these issues. Adding a "Hot button" overrides schedulers (navilink or NR-20DU). Navien Recirculation Settings On the App, the Enable button appears and is highlighted and now controls the times I have programmed for on/off. It means there is some issue with a water pressure sensor. Older Navien heater models are prone to flow sensor issues. You are using an out of date browser. We want to reduce waste in using water given our well situation. Each DIP switch controls the entire functionality of the hot water heater. Remove and clean the cold air intake filter. The water heater will retain your settings during a power outage. This happens when you have a huge heater and lower gas output. Works great and saves the copper pipes. We get it, but (1) terrylove.com can't live without ads, and (2) ad blockers can cause issues with videos and comments. It clips on the side of the PCB board without screws and then you connect a ribbon cable to the PCB. It tells you about the abnormality of the external tank thermistor. Adjust the recirculation settings from the front panel. Condensing combi-boilers deliver high-efficiency endless hot water and space heating in one compact unit. For example, you will see Navien error code 003 on the display screen, which means the igniter is malfunctioning. they have an accessory called the HotButton (PZZZ-00046). Navien NaviCirc Recirculation Valve Description How it Navien Plug n play (after removing front panel to access the plug). Navien Recirculation Settings JavaScript is disabled. I agree with Spacecowboy-- The information I have refers to external recirculation with cold water line return, but I expect the settings would be the same with a dedicated return line. When the system is turned on, the timer kicks in and runs the pump according to the set time schedule. #1. #1. An open or shorted sensor causes this issue. You can change the tank thermistor if needed. It means there is some issue with the flow sensor or switch. This number indicates that the water pressure is high. 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. This seems relatively new for navien and is in a recent navien technical bulletin from 04/18/16. I have an NR240A for about 10 years now. This may require chasing the supply lines. IF it does, could it be controlled remotely? 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. We want to reduce waste in using water given our well situation. It is located on the lowest corner opposite the on and off button. Cookie Notice WebTankless water heaters CAN be used to help solve lag time issues on a home, eliminating most of the wait time for hot water, but it depends on the piping. Here are some of the leading causes of cold water production; Which means there isnt enough time for the water to heat up. Every A2 model On Navien Water Heaters, you can choose two pre-heating modes. The number of bathrooms, tubs, dishwashers, and washers. Solution: You have to inspect the sensors connectors to confirm they are not wet and fixed correctly. From what I have read, I need to set SW1 to on to enable the internal loop recirculation. 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. High-efficiency condensing and non-condensing tankless water heaters offer endless hot water and reduce gas usage. The error code E445 tells about the defect of the bypass mixing valve. It does not appear to be that much different. Wiring for navien nfc-250 combi-boiler Also I set dip switch 5 to "ON" for the well pump setting. He has a good standing reputation for superior skills in heating, air conditioning, hot water tanks, and indoor air quality systems. Also, it will get hot water to you quickly depending on the length and size of branch lines off the recirc loop. 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. We might be able to do something about it. Navien Tankless You have to inspect the sensors connectors to confirm they are not wet and fixed correctly. The heater turns off automatically when the flue pipe surpasses 149 degrees Fahrenheit. I added an additional remote for a total of 3. What could be the cause of this problem? However, the unit comes equipped with a standard 120V appliance cord and operates between 200 and 300 watts. https://www.amazon.ca/dp/B0752P57ZG/ref=as_li_ss_tl?keywords=ewelink+module&language=en_US&ie=UTF8&sr=8-1&linkCode=gs2&linkId=7b93392fcd98392bd94c34a45a30dfb2&tag=twhomeshow07-20. With the old unit, in the kitchen faucet I measured around 1 minute for hot water to come in. Legal Disclosure:Lildutchuncle.com provides and shares information on plumbing, heating & air quality, home improvement, and other DIY projects. Note: You must set up the Time Settings in the Configuration menu to choose these options. This is a condensing tankless water heater and an absolute brute of a machine that boasts of features like a 10.1 Gallon per minute maximum outflow. We get it, but (1) terrylove.com can't live w Navien 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. Without further ado, lets get started right here. It is excellent for the skin, enhances exercise performance, and prevents headaches. Then, you can change the tank thermistor if needed. Setting range: 1 to 120 (in 1-minute increments) Default: 30 min Set the 2-way valve inside the water heater to EXT. 12 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. This is a condensing tankless water heater and an absolute brute of a machine that boasts of features like a 10.1 Gallon per minute maximum outflow. No Live Trainings are currently scheduled, to view previously recorded trainings visit the On Demand link The Intelligent preheating on Navien Water Heater is a self-learning process that you can enable by turning on the DIP switch on the front panel. First, open and close the pressure relief valve, which is located near the units outlet. I have not adjusted any other parameters When the system is turned on, the timer kicks in and runs the pump according to the set time schedule. So, its indispensable for you to learn about the DIP Switch Settings to make it easy to run the unit. Understanding navien recirculating water heater ruralowner member posts: Source: circulationpumpitoshima.blogspot.com. But you may need to flush the unit every six months if you live in a hard water area or operate the unit at a higher temperature setting. Locate the reset button on the heaters front control panel. Navien Tankless Water Heater Standby Mode, Rinnai Tankless Water Heater Not Getting Hot Enough [Solved], Basement Watchdog Battery Alarm Add Distilled Water, Basement Watchdog Battery Alarm [Corroded Terminals Or Bad Battery], Basement Watchdog Pump Was Activated Alarm. Connect a regular garden hose to the hot side service valve. About a year ago, the recirculation stopped working so I The error code E441 informs about the open thermistor or short circuit problem. Note the recirculation timer settings are divided in 30 minute increments. 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. WebThe recirculation timer is set to operate ever 15 minutes, even though we are often not at the property. Can I swap out the mainboard in the NR240A to an NPE240A board to get all that features? However, this is only a temporary fix. Navien Thanks again Mate! There are no error codes showing. is this recirculation pump just recently installed? It will reduce the energy consumption and deliver you the best heating efficiency. I too have the NPE-240A, and this is what was explained to me. Is this normal? 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. Change the thermistor if needed. Then I searched and discovered your posting. Inspect the water feeder valve, water pressure, and water pressure relief valve. To Reset Navien Tankless Water Heater? Admirable - Please return the "Manual" to the customer after installing. Works great and saves the copper pipes. 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. Flush the vinegar out of your water heaters. Hello, You might want to talk with the folks at ACT, 714-668-1200 www.gothotwater.com. I think it's 100F. Navien Recirculating Water Heater The problem The amount of time for hot water to come in has actually increased compared to when I had the tank water heater. Did you mount the contact switch next to the Navien? Every A2 model On Navien Water Heaters, you can choose two pre-heating modes. Close the cold and hot water inlet valves and then drain the water heater. If you can post a picture of your setup it would really help. You also have to flush the heat exchanger. In the software display settings, I've also set it to internal recirculation with the "Always On" option. We are on well water and have a low flowing well. Nr/np series tankless gas water heater (179 pages), Npe series condensing water heaters (171 pages), Ncb-e condensing water heaters (157 pages), Manual will be automatically added to "My Manuals", Water Heater Navien NP-180 Service Manual, Water Heater Navien NR-180 Installation Manual, Water Heater Navien NR-180(A) Installation Manual, Water Heater Navien NR-180(A) Owner's Operation Manual, Water Heater Navien NR-180 Quick Installation Manual, Water Heater Navien NR Series Service Manual, Water Heater Navien NPE-180A Installation Manual, Water Heater Navien NPE-180A Service Manual, Water Heater Navien NPE-180A Operation Manual, Water Heater Navien NPE-240A Installation Manual, Water Heater Navien NPE-210A Operation Manual, Water Heater Navien NCB-150E Service Manual, Water Heater Navien NPE-32AWE Installation Manual, Page 8: Accessories And Optional Accessories, Page 45: Cascade Connection And Set-Up Procedure. This on-demand water heater has a lower carbon footprint, is energy efficient, and has a longer lifespan. Get in touch with Navien technical support at 800-519-8794. However, we have had repeated issues with the heat level of our domestic water. There are no error codes showing. Navien NPE-240A dip switch settings help please I'm just wondering how long the (for. Lastly, press and hold down the OK button for 2 seconds to finalize the weekly schedule setting. Always On: It will repeat DHW recirculation. It allows you to choose the time in 30 minutes intervals. Navien NaviCirc Recirculation Valve Description How it - Do not store or use gasoline or other flammable vapors and liquids in the vicinity. Do not touch any electrical switch: do not use any phone in your building. You can find this valve inside the water heater. My unit is a replacement for an existing electric tank recirc loop system. Space-saving high-efficiency condensing boilers provide the ultimate home heating and comfort experience. Feb 26, 2023. Though we share resources, information, and educational guide on plumbing & DIY projects, the content here is not a substitute for professional guidance. There are no error codes showing. Reservation Schedule #1 is ready to be set. Navien To change the water temperature; Check this too: Richmond Water Heater How to & Troubleshooting Guide. Navien 240A Dip Switch Settings [Explained Everything], Navien Tankless Water Heater Standby Mode, Navien Temperature Lock [Explained Everything], Navien Tankless Water Heater No Hot Water [5 Easy Solutions], Basement Watchdog Battery Alarm Add Distilled Water, Basement Watchdog Battery Alarm [Corroded Terminals Or Bad Battery], Basement Watchdog Pump Was Activated Alarm. Navien 240A Dip Switch Settings [Explained Everything] Every Navien Tankless Model, either 240A or 180A2, has two DIP switch locations.