You also have to flush the heat exchanger. To remedy this issue, turn off the heater for some time and restart it. Turns out that it was the temperature of the return water was high enough to stop the recirculation. 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. 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. It means there is some issue with a water pressure sensor. I could hear the water recirculating every so often. IF it does, could it be controlled remotely? To calculate the size of the heater, you will need to add up the amount of water required at a particular time. I thank you for this post! 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. Note the recirculation timer settings are divided in 30 minute increments. Otherwise, you cant adjust your water heater temperature if you position this DIP switch to On. For example, you will see Navien error code 003 on the display screen, which means the igniter is malfunctioning. I was under the impression that this unit, and the fact it has a built-in recirculation pump, would allow me to have hot water within a few seconds at any faucet. The installers insisted they did not need to pipe the recycle returnthey wanted to cap it off. This issue is more common in older heater models. Each DIP switch controls the entire functionality of the hot water heater. The update is not perfect, but seems to be much more user friendly interface. A loose part causing unnecessary vibrations, Vacuum in the water lines causing vibrations, A dirty flow sensor leading to gas flow interference and producing weird noises. You have to inspect the sensors connectors to confirm they are not wet and fixed correctly. Then descale a flush the heater following the steps listed below. https://www.ebay.com/itm/12V-DC-MOMONTROL-RM11-/350575987090?hash=item519ff50992, Navien NPE-240A2 adding external recirculation valve, Navien NPE-240A2 External circulation question, Navien NPE-240A and HotButton - DIP switches and parameters, Flushing Navien 240A set up for external bypass. Fortunately, Navien water heaters recycle hot water and always provide hot water. Feb 26, 2023. FYI: If you need to convert the water heater to propane, use the Propane Conversion Kit supplied with the unit. This happens when you have a huge heater and lower gas output. The unit is in on one side of our basement and the kitchen is on the far side of the house on the first floor. Press the Power button on the front panel to turn off the water heater. Therefore, the total peak demand of hot water needed is the ideal size of the heater you should get. In the software display settings, I've also set it to internal recirculation with the "Always On" option. 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. 2. This may temporarily help to remedy the issue. 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. 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. JavaScript is disabled. It will reduce the energy consumption and deliver you the best heating efficiency. It provides information about the problem with the fan motor. We get it, but (1) terrylove.com can't live w I'm just wondering how long the The filter is located at the top left of the water heater. Also, you can use the Navien Intelligent Preheating feature. Thanks in advance for your time. Default recirculation schedule is every 30 minutes if a 9F degree drop is sensed. If the problem does not get resolved, replace the motherboard or control board or hire a professional t do it. 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. Navien 240A Dip Switch Settings [Explained Everything] Every Navien Tankless Model, either 240A or 180A2, has two DIP switch locations. I discussed everything you need to know about the Navien 240A Dip Switch Settings. Cookie Notice Unfortunately, the heat exchanger cannot be fixed and has to be replaced. However, this is only a temporary fix. Navien NPE-240A2 tankless water heater recirculation questions, Scan this QR code to download the app now. 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. Navien NaviCirc Recirculation Valve Description How it We want to reduce waste in using water given our well situation. Locate the reset button on the heaters front control panel. My water is well water so I am assuming this is correct. 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. Now, its time to describe how you can adjust the Switch-2. 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. Reddit and its partners use cookies and similar technologies to provide you with a better experience. Setting range: 1 to 120 (in 1-minute increments) Default: 30 min Set the 2-way valve inside the water heater to EXT. 12 Crazy coincidence that I ran into your post because I've been researching the same issue. WebNavien Virtual Trainings Live Training On Demand Real time virtual training hosted by one of the Navien product trainers. It is located on the lowest corner opposite the on and off button. Each time I call Navien for help, they suggest my issue is related to debris getting into the flow sensor and preventing it from triggering properly. The Navien is smart enough to stop recirculation when it recognises hot water has made the entire loop. So, you must play with this setting and adjust it according to your water usage demand. 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. When the system is turned on, the timer kicks in and runs the pump according to the set time schedule. 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. The heating supply thermistor is defective. WebThe recirculation timer is set to operate ever 15 minutes, even though we are often not at the property. On 12/6/2022 I just installed a Navien 240 A and talked to tech support for Navien 3 times about the NaviLink not controlling the unit. the Up or Down button. I had a dedicated external recirculation line installed to use with the Navien internal pump. Get in touch with Navien technical support at 800-519-8794. This may eliminate the waiting for hot water depending on installation method. I added an additional remote for a total of 3. So, you must play with this setting and adjust it according to your water usage demand. Check to see if the warranty is still valid and contact the manufacturer. He obtained his Bachelor of Science degree from the University Of Texas at El Paso. There are no error codes showing. 1. 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. For a better experience, please enable JavaScript in your browser before proceeding. Navien 240A Tankless Water Heater has a number of DIP Switches. WebSimilar to the Navien NR-210A, the NR-240A is a tankless water heater with a built-in circulation pump and buffer tank, except that this model delivers 11 gallons per minute at 45oF rise. The day after (so, same outside temperature more or less) I'm measuring the same amount of time or longer with the Navien. Specifically, you can find a number of dip switches on these two locations. You can find one on the PCB and the other one on the front panel. 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. Turn off the power before removing the filter. The main sign of motherboard or control board failure is intermittent switching off and on. 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. 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. This number indicates that the water pressure is high. 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. #1. 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. We might be able to do something about it. Recirculation is basically just keeping the hot water in the plumbing hot so you get hot water faster. It could be open or shorted. It means there is some issue with the flow sensor or switch. Also, do not set the dip switches for external recirculation. Remove the intake filter and properly wash it using a brush beneath running water. Every A2 model On Navien Water Heaters, you can choose two pre-heating modes. Thanks again Mate! Cookie Notice We are on well water and have a low flowing well. Also I set dip switch 5 to "ON" for the well pump setting. Having just run my own recirc lines and installing an NPE240A I can tell you that you dont want intelligent preheat. Press the M (menu) button and head over to 1.Recirculation Setting > 2. For a better experience, please enable JavaScript in your browser before proceeding. Press the + (Up) or (Down) buttons until the desired temperature appears on display. Allow it to dry for some time before fixing it again. From what I have read, I need to set SW1 to on to enable the internal loop recirculation. Or invest in a larger water heater. 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. You can adjust the temperature by the below 10-degree increments, depending on the temperature range: 98 F-120 F/ 36 C-50 C 1 F or 0.5 C increments, 120 F-140 F /50 C-60 C Press for 2 seconds to adjust in 5 F or 2C increments. The 2-way valve inside the Navien is set to internal recirculation. They understand systems like this and can help you choose the right pump and control that only recirculates when you tell it to. This chapter will walk you through the step-by-step guide to let you learn how to use the recirculation mode. WebNavien Virtual Trainings Live Training On Demand Real time virtual training hosted by one of the Navien product trainers. Also the unit needs to be set to utilize the recirculation feature. Each time I call Navien for help, they suggest my issue is related to debris getting into the flow sensor and preventing it from triggering properly. Condensing combi-boilers deliver high-efficiency endless hot water and space heating in one compact unit. We get it, but (1) terrylove.com can't live w We get it, but (1) terrylove.com can't live w This is because the motherboard or control board is the units brain responsible for receiving and transmitting information in the heater. By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. WebSimilar to the Navien NR-210A, the NR-240A is a tankless water heater with a built-in circulation pump and buffer tank, except that this model delivers 11 gallons per minute at 45oF rise. Specifically, you can find a number of dip switches on these two locations. Pump the white vinegar into the cold side, up through your water heater, and out the hot side. Then, read the manual on Navien tankless water heater how to reset. In short, you dont need to play around the dip switches on the PCB. Create a chart to regulate hot water usage. Set the position of the 2-way valve, which you can find inside the water heater. You need a crossover valve installed under one of your faucets that is far away from the water heater (there are a few different styles but they all have four connections and get installed under a faucet). You need to run white vinegar through the system, to descale the water heater. Hello, I just had an old water tank replaced for this NPE-240A2 unit. You can change the cold water inlet thermistor if necessary. Dumping RV tanks at. I just had an NPE240A2 professionally installed last week. Thanks. and our ft. house, so the attic is a 3rd floor). Go along the steps described below to set the recirculation settings. One of, A stinky toilet is unbearable in the tight confines of an RV. Refer to the user manual to locate the Hot Button and then press it to activate hot water recirculation. Unplug the power to your Navien water heater. WebPage 1 Navien Condensing Water Heater Manual NR-180 (A) NP-180 (A) NR-210 (A) NP-210 (A) NR-240 (A) NP-240 (A) If the information in these instructions is not followed exactly, a fire or explosion may result causing property damage, personal injury or death. There is some issue with the front panel key. Works great and saves the copper pipes. You can replace the sensor if needed. For more information, please see our "If you can't explain it simply, you don't understand it well enough". Also, you do not set external www.navieninc.com Pg 111-113 regard the settings for heating. 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. It is located on the lowest corner opposite the on and off button. If you are looking for a tankless water heater that can provide you with hot water 24/7, Navien water heater is the way to go. If any particular ad is your REASON for blocking ads, please let us know. Note: Remember to turn off power to the heater before replacing the gasket. WebNavien Virtual Trainings Live Training On Demand Real time virtual training hosted by one of the Navien product trainers. You are using an out of date browser. You can find this kit inside the products case. This can be determined based on the following factors: The average water usage for different hot water uses are as follows; Check this too: Insinkerator Hot Water Dispenser How-to & Troubleshooting Guide. If the problem persists, call a technician to fix the unit. WebSimilar to the Navien NR-210A, the NR-240A is a tankless water heater with a built-in circulation pump and buffer tank, except that this model delivers 11 gallons per minute at 45oF rise. 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. Turn off the device for 30 minutes and then restart it. - Please return the "Manual" to the customer after installing. 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. I could hear the water recirculating every so often. Ensure that all hot water faucets are closed, and ensure that the internal circulator and any external circulating pumps are off. Additionally, you can install a 5-micron filter in the water inlet right before the heater to remove impurities from the water. The water heater will retain your settings during a power outage. If it does, you could trigger the operation to save money whenever your system detected 'away' or however you've got it programmed. Immediately call your gas supplier from a neighbor's phone. The 2-way valve inside the Navien is set to internal recirculation. Read Also: Navien Tankless Water Heater Post Purge Navien Tankless Water Heater Standby Mode Eric Alvarez Solution: You have to inspect the sensors connectors to confirm they are not wet and fixed correctly. WebPage 1 Navien Condensing Water Heater Manual NR-180 (A) NP-180 (A) NR-210 (A) NP-210 (A) NR-240 (A) NP-240 (A) If the information in these instructions is not followed exactly, a fire or explosion may result causing property damage, personal injury or death. Note: You can use the Internal Recirculation Mode in the A2 models only. 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. Even on high flow faucets, like the shower in my master which has a very high pressure shower head, it takes longer for hot water to come in. View the training as it is presented, ask questions of the presenter, and receive real time feedback. It looks like you're using an ad blocker. Press the M (menu) button on the front panel and choose the 1. Navien NaviCirc Recirculation Valve Description How it The water heater will not provide hot water instantly. With the old unit, in the kitchen faucet I measured around 1 minute for hot water to come in. Adding a "Hot button" overrides schedulers (navilink or NR-20DU). It will reduce the energy consumption and deliver you the best heating efficiency. I pushed the little lever inside the unit down to use the external line. It may not display this or other websites correctly. Lastly, press and hold down the OK button for 2 seconds to finalize the weekly schedule setting. It is excellent for the skin, enhances exercise performance, and prevents headaches. Press either the Up or the Down button to choose the scheduled time. The leading causes of the intermittent flame; You can fix these issues by maintaining and cleaning the heater. Recirculation Settings by pressing down the OK button. How do I reset my Navien tankless water heater? About a year ago, the recirculation stopped working so I 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. WebNavien Recirculation Settings have a lot of advantages. I know very little about plumbing and have a few questions that I would appreciate if any experts here could please answer for me.
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