Adding a "Hot button" overrides schedulers (navilink or NR-20DU). WebThe recirculation timer is set to operate ever 15 minutes, even though we are often not at the property. Does the thing have a 'vacation' mode? While you may have a general understanding of the listed electrical issue above, you should not attempt to handle any electrical work unless you are a licensed electrician. He has a good standing reputation for superior skills in heating, air conditioning, hot water tanks, and indoor air quality systems. WebNavien npe-240a settings We have a Navien NR-240A installed in new construction in 2012. If necessary, replace them all. The following screenshot will show you the DIP switch location on the front panel: These switches are- Switch 1 and Switch 2. With the old unit, in the kitchen faucet I measured around 1 minute for hot water to come in. It generally controls the Temperature Lock. High-efficiency condensing and non-condensing tankless water heaters offer endless hot water and reduce gas usage. 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. Examine and clean the filter in a cold water inlet. For more information, please see our Then, read the manual on Navien tankless water heater how to reset. Every A2 model On Navien Water Heaters, you can choose two pre-heating modes. Attach the water supply to support recirculation. Once the display stops flashing, the temperature setting is stored. Examine the thermistors condition and pump wiring connectors. It usually occurs due to an open or shorted sensor. If so, what size/model is it? 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. First, open and close the pressure relief valve, which is located near the units outlet. An open or shorted sensor causes this issue. WebNAVIEN TANKLESS WATER HEATER RECIRCULATION SET UP WITH DEDICATED RECIRCULATION LINE. The heating supply thermistor is defective. It clips on the side of the PCB board without screws and then you connect a ribbon cable to the PCB. Feb 26, 2023. In the software display settings, I've also set it to internal recirculation with the "Always On" option. Examine and confirm the pressure sensor and wiring are in good condition. And the heater has been set to recirculation mode. This depends on how long you leave it on and how often you use it. It will reduce the energy consumption and deliver you the best heating efficiency. 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. It can occur due to an open or short sensor. https://www.navieninc.com/products/npe-240a/downloads#search, NaviLink Timer Schedule not being followed, Navien NPE-240A2 adding external recirculation valve. Locate the reset button on the heaters front control panel. Press the + (Up) or (Down) buttons until the desired temperature appears on display. This may require chasing the supply lines. Specifically, you can find a number of dip switches on these two locations. Place the filter assembly back into the water heater and secure it with the screw. But you shouldnt change it until you convert the unit for propane use because gas type configuration is factory default. 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. Reddit and its partners use cookies and similar technologies to provide you with a better experience. It is located on the lowest corner opposite the on and off button. So, you must play with this setting and adjust it according to your water usage demand. It looks like you're using an ad blocker. It tells you about the improper operation of the flow sensor. Open the service port on the host side and the isolation valve on the cold side, pushing water through the system. It looks like you're using an ad blocker. Your observation about the Enable/Disable selection saved the day! Setting range: 1 to 120 (in 1-minute increments) Default: 30 min Set the 2-way valve inside the water heater to EXT. 12 We are on well water and have a low flowing well. Follow the gas supplier's. 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). Shut off the appliance for half an hour and then restart. Get in touch with Navien technical support at 800-519-8794. Also I set dip switch 5 to "ON" for the well pump setting. Cookie Notice WebNAVIEN TANKLESS WATER HEATER RECIRCULATION SET UP WITH DEDICATED RECIRCULATION LINE. I don't know the best place to post this, but i happened to be fiddling around in the NaviLink app on Feb. 1 and it asked to update. This is because the motherboard or control board is the units brain responsible for receiving and transmitting information in the heater. Note the recirculation timer settings are divided in 30 minute increments. 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. 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. 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. What kind of range do you get from the remotes? Press the Power button on the front panel to turn on the water heater. Remove the inlet filter and wash it under the running water with the help of a brush. Is the cable harness compatible? Resources | Partners Login | Become an NSS |Certifications |Parts List | Technical Support | Careers |Global Network |Warranty, All contents copyright Navien Inc. | About Navien |Contact Us | Terms of Use |Privacy Policy |CCPA |Notices, You accept the use of cookies as described in our, Designed and optimized for use with Navien NPE-A Series water heater models, Automatically blocks circulation when the hot water temperature within the valve is about 95F (35C), Compatible with the Navien HotButton Kit for demand-type recirculation systems, Ultra-high efficiency condensing tankless water heaters, High efficiency non-condensing tankless water heaters, Benefits of Tankless Water Heaters | Navien, Problem Solved: Gandy Installations Saves Customer Enough Space for a Refrigerator. For example, you may damp it into a bathtub, pushing the water through the isolation side on hot. 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 comprehensive guide helps to make the operation and repair of your heater easier. www.navieninc.com Pg 111-113 regard the settings for heating. It means there is some issue with the OT-remote controllers operation. 2. The NaviCirc recirculation valve works best if installed under the furthest accessible fixture away from the water heater. A place for plumbing advice and help. You might want to verify if the Navien was installed and programmed for utilizing the "internal" or "external" recirc function. Unplug the power to your Navien water heater. If you are unsure of whether the recirculation pump was correctly installed, contact Navien technical center or the NSS agent who installed the heater. 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. I could hear the water recirculating every so often. WebNavien recirculation works by using a pump to send hot water from the water source to the farthest fixture, such as the shower, that results in one or two short waits until hot water arrives from a tap. Remove the screw that secures the air intake filter and then remove the filter. 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. The problem The amount of time for hot water to come in has actually increased compared to when I had the tank water heater. The heater turns off automatically when the flue pipe surpasses 149 degrees Fahrenheit. Then re-insert the filter and screw it back in place. Learn more about our products for home owners. Press the reset button to reset your device. It tells you about the abnormality of the external tank thermistor. 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. 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. Inspect the water feeder valve, water pressure, and water pressure relief valve. You can adjust the temperature while the display is flashing. 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. IF it does, could it be controlled remotely? Connect a regular garden hose to the hot side service valve. WebNavien recirculation works by using a pump to send hot water from the water source to the farthest fixture, such as the shower, that results in one or two short waits until hot water arrives from a tap. Check to see if the water valves are open. Once you make the propane conversion, you can adjust the Switch 1 on the front panel. We are on well water and have a low flowing well. 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. Press the reset button to reset your device. Feb 26, 2023. Navien NaviCirc Recirculation Valve Description How it How do I reset my Navien tankless water heater? Also the unit needs to be set to utilize the recirculation feature. The error code E736 informs about the issue in cascade communication, and error code E740 indicates that the outdoor temperature sensor is not working correctly. 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. What about adding the NaviLink WiFi board and controlling it from your phone anywhere? The house is set up with recirculation, though I am not sure where in the house the "T" on the system is located. Though we share resources, information, and educational guide on plumbing & DIY projects, the content here is not a substitute for professional guidance. Fortunately, Navien water heaters recycle hot water and always provide hot water. Error Code E480 It tells you about the abnormality of the external tank thermistor. 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. they have an accessory called the HotButton (PZZZ-00046). Maybe the new NPE is more efficient than the NR. 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. 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. 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. You can change the tank thermistor if needed. 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. Change the thermistor if needed. The average electric tankless water heater needs at least 120 amps to work. WebNavien Recirculation Settings have a lot of advantages. Navien NPE-240A dip switch settings help please, Scan this QR code to download the app now. You can find this valve inside the water heater. This is how to set up Navien Tankless water heater for recirculation in Residential applications. 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. Make sure there are no loose connections. When the heat exchanger starts to crack, it creates a gap that can escape toxic exhaust gasses. How Do the Front Panel Dip Switches Work: First off, lets discuss how the Switch 1 on the front panel functions. Create a chart to regulate hot water usage. You can find one on the PCB and the other one on the front panel. I have an NR240A for about 10 years now. Also, do not set the dip switches for external recirculation. The unit was installed in the attic (two-story 2,600 sq. Solution: You have to inspect the sensors connectors to confirm they are not wet and fixed correctly. Find brochures, manuals, guides, labels, specs, drawings, revits & certificates for Navien NFC-250/200H condensing combi-boilers. First, you need to consider Things to consider when sizing the busiest usage period or peak time. In short, you dont need to play around the dip switches on the PCB. Also I set dip switch 5 to "ON" for the well pump setting. It allows you to choose the time in 30 minutes intervals. We get it, but (1) terrylove.com can't live without ads, and (2) ad blockers can cause issues with videos and comments. Ensure you hire a certified service agency to install the conversion kit, maintaining Naviens instructions and all applicable codes & requirements. With the NPE-A2 units built-in pump, water circulates through the NaviCirc to preheat the hot water lines, using the cold supply line as the return line back to the water heater. 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. However, I highly recommend you to not fine-tune with these DIP switches. The house is set up with recirculation, though I am not sure where in the house the "T" on the system is located.We seem to have to run hot water for a long time to get it hot. Any other comments/recommendations for a Navien tankless newbie are welcome! The cold water inlet one thermistor is defective. Why Does My RV Toilet Smell When Flushed? Adding a "Hot button" overrides schedulers (navilink or NR-20DU). Press the Power button on the front panel to turn off the water heater. No Live Trainings are currently scheduled, to view previously recorded trainings visit the On Demand link In the software display settings, I've also set it to internal recirculation with the "Always On" option. We might be able to do something about it. Navien nr-180(a); np-180(a); nr-210(a); np-210(a); nr-240(a); np-240(a) condensing water heater, If the information in these instructions is not followed exactly, a fire or. "If you can't explain it simply, you don't understand it well enough". This may eliminate the waiting for hot water depending on installation method. 1. Therefore, when it malfunctions, it is a sign that the heater has another major underlying issue. The filter is located at the top left of the water heater. Otherwise, you cant adjust your water heater temperature if you position this DIP switch to On. I've attached images below. An open or short thermistor can be the root cause of this problem. I have not adjusted any other parameters 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. http://us.navien.com/Engineers_Features_Benefits/ComfortFlow_Technology/. WebNavien Recirculation Settings have a lot of advantages. How to use the recirculation modes on a Navien Water Heater? You are using an out of date browser. Note: You must set up the Time Settings in the Configuration menu to choose these options. 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. Working well so far. You can change the tank thermistor if needed. The error code E445 tells about the defect of the bypass mixing valve. This happens when you have a huge heater and lower gas output. I know very little about plumbing and have a few questions that I would appreciate if any experts here could please answer for me. explosion may result causing property damage, personal injury or death. Here is the final install. 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. You can change the tank thermistor if needed. Also, do not set the dip switches for external recirculation. Also, it will get hot water to you quickly depending on the length and size of branch lines off the recirc loop. Is there a link that I can find this parameter table at? 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. Find brochures, manuals, guides, labels, specs, drawings, revits & certificates for Navien NFC-250/200H condensing combi-boilers. And this guide will inform you about the DIP switches, their location, and how you can use them. Remove and clean the cold air intake filter. For example, you will see Navien error code 003 on the display screen, which means the igniter is malfunctioning. Get in touch with Navien technical support or a professional heater repairman. Was I wrong to think that? Generally, you should flush a Navien Tankless Water Heater once a year. The water heater will retain your settings during a power outage. The setup is correct and the only two settings you need are P.12 for recirculation time and P.16 for length of recirculation line from farthest point in the house. However, we have had repeated issues with the heat level of our domestic water. Crazy coincidence that I ran into your post because I've been researching the same issue. My water is well water so I am assuming this is correct. If the issue persists, contact your original installer or an NSS to service the sensor. Also I set dip switch 5 to "ON" for the well pump setting. In the software display settings, I've also set it to internal recirculation with the "Always On" option. - Please return the "Manual" to the customer after installing. Set the position of the 2-way valve, which you can find inside the water heater. Works great and saves the copper pipes. Now, its time to describe how you can adjust the Switch-2. I have the newest version pcb since I just bought the tankless. Eventually, I want to run a return line from the kitchen area back to the hot water heater and that should significantly reduce the delivery time, since all the faucets feed off the line that leads to the kitchen. www.navieninc.com Pg 111-113 regard the settings for heating. It is located on the lowest corner opposite the on and off button. Without further ado, lets get started right here. Recirculation is basically just keeping the hot water in the plumbing hot so you get hot water faster. If your system displays this code, you need to confirm the water pressure is within good ranges. Reservation Schedule #1 is ready to be set. Adjust the recirculation settings from the front panel. Confirm the thermistor and wiring is in good condition. WebRecirculation valve for use with NPE-A series tankless water heaters Designed for recirculation of domestic hot water in applications where a dedicated return line is not available. Setting range: 1 to 120 (in 1-minute increments) Default: 30 min Set the 2-way valve inside the water heater to EXT. 12 Protect the water supply and water heating equipment with eco-friendly water treatment solutions. Navien Recirculation Settings have a lot of advantages. 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. Place a bucket underneath it to catch any water that drains when you remove the filter. Is this normal? I have had my professionally installed NPE-240A for about 8 months now and like it, but do experience longer times to get hot water to all the taps. 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. It shows that the heating return thermistor is not working correctly. Navien 240A Tankless Water Heater has a number of DIP Switches. FYI: If you need to convert the water heater to propane, use the Propane Conversion Kit supplied with the unit. The exhaust is overheating. 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. Once the tank is thoroughly drained, clean the base of the heater. 800-556-7556 or see HarryEklof.comFull Naivien information including dealer and Rep locators is available at www.navieninc.com Press either the Up and the Down button to switch between any of these recirculation settings: 3. Go along the steps described below to set the recirculation settings. 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. It means there is some issue with the flow sensor or switch. 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). Dumping RV tanks at. The water heater will not provide hot water instantly. Using a corrosion-free flow sensor made of stainless steel is a better option. It will reduce the energy consumption and deliver you the best heating efficiency. About a year ago, the recirculation stopped working so I The 180A is its smaller sibling while this is succeeded by the 240A. From what I have read, I need to set SW1 to on to enable the internal loop recirculation. Note the recirculation timer settings are divided in 30 minute increments. Each DIP switch controls the entire functionality of the hot water heater. I recall it was p23 but it was definitely larger than p20. www.navieninc.com Pg 111-113 regard the settings for heating. Hello, You might want to talk with the folks at ACT, 714-668-1200 www.gothotwater.com. If the problem persists, call a technician to fix the unit. Navien tankless water heater error codes, their meaning, and fixes Feb 26, 2023. Allow it to dry and then fix it back. Navien Tankless Water Heater How to & Troubleshooting Guide, Elkay Water Fountain Troubleshooting and How-to Guide, Electric RV Water Heater How to & Troubleshooting Guide, Richmond Water Heater How to & Troubleshooting Guide, Insinkerator Hot Water Dispenser How-to & Troubleshooting Guide, Brita Water Filter Troubleshooting & How to Guide. Default recirculation schedule is every 30 minutes if a 9F degree drop is sensed. It means the circulation pump is not working correctly. Start by turning off the service valves and removing the hoses.

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