We now have a NR-240A unit and we were excited to have problems behind us. To make sure that the model has this feature, you simply need to check to see if there is an ‘A’ at the end of the model number. I live in central Minnesota, in a rural area where until this summer I had not had access to Natural Gas. Note that the dip switches on the heater must be set properly. I quick call to Navien and they had me program a parameter which defines the length of the return line and now I'm golden. The user manual is wrong regarding automatic and timed circulation options. The NPE-240A is a result of their dedication to providing an effective and green water heating unit. Locate the po wer switch on the right side of the front panel . What are you dip switch settings? Jan 20- I've looked over a couple tankless heaters (Rheem and Navien), and one. The operations manuals above cover all Navien NPE-A and NPE-S series condensing tankless water heaters. Navien NR-20DU Manual; The Navien NPE-240A Manual Covers Entire NPE Series. Would press the control box, it would start and then go out. Navien’s NR-180A, NR-210A, NR-240A, NPE-180A, NPE-210A and NPE-240A models come with the ComfortFlow System. The factory settings are shipped incorrectly, and the circulation pump is not being used. I'm a licensed Home Inspector, Certified Master Inspector (CMI), and FHA 203k Consultant. This version of Navien NP-180 Manual compatible with such list of devices, as: NR-180, NR-210, NR-210A, NR-240, NR-240A Find helpful customer reviews and review ratings for Navien NR-240A. Also, you don't set the dip switches for external recirculation. It is counter to what is on the Navien site. Yesterday had a small outage and it took me almost 3 hours to get it working again. Navien NPE-240A Installation Manual Page: 26. So you’ll find the same info whether you’re looking for the Navien 240A manual, the Navien NPE-240S manual, Navien NPE-180A manual or similar. I understand that the pump could be on a timer, so on off hours the . Almost every time the power goes out, so,does not water heater. setting of the manifold pressure is done; • To complete the process, remove the tees and reattach the air-gas feedback tube (the thin tube running from the upper nipple at the burner plate to modulating gas valve) and the tube supplying the high pressure zone of the GPS; • Readjust the DIP switch settings to their normal position (switches #1 Many CR units (13,000) made in 2008 were recalled for potential safety issues. Navien tankless water heater problems are sometimes hard to comprehend, not to mention fix the heater on your own. They did not use a thermal expansion tank, I am guessing because the Navien already has an internal buffer tank. This model is an upgrade of the CR-240A. C. H. G. Condensate. The home we just purchased needs a new gas water heater. We are on well water and have a low flowing well. We seem to have to run hot water for a long time to get it hot. Navien NP-180 Service Manual. how to adjust the temperature of a Navien tankless water heater What it Means: Abnormality in DIP switch setting. Navien CR-240 water heater issues Navien corp. of America (made in South Korea) sells a product that is a work in progress. * The water heater has been factory set to allow a maximum temperature setting of [120 °F / 50 °C]. View online Service manual for Navien NPE-180A Water Heater or simply click Download button to examine the Navien NPE-180A guidelines offline on your desktop or laptop computer. Hello, I have a Navien NPE-240A tankless water heater. One of the plumbers I spoke with said Navien was far superior to Rinnai, but i'm somewhat undecided. Features * User-friendly, convenient, and quick touchpad data entry buttons The Navien boilers provide a range of setting options to control the system, with a wide rate of temperature and parameter options. ... Navien CR-240A-NG Not reliable, after $3,000 plus out of my pocket. Device Page. Simply unplugging the NR-20DU enables the scheduling function with the NaviLink app. Tankless water heaters, also called instantaneous water heaters instantly heat water on demand. Navien NPE-240A 199,000 BTU Condensing PremiumGas Tankless Water Heater. The Navien NR series is geared for the residential user. Is there a timer for the recirculation pump? Navien tankless water heater reviews have been in the US market for quite some time; they are a trusted brand when it comes to providing value for money products for the client. Navien boiler troubleshooting may turn out to be easier than you expected. Categories: Kitchen. Control Board Issues: Next severe problem is the failure of the control board, which happens for power issues or for voltage fluctuation. Remote controller functions include managing the recirculation timer and setting the water temperature. Navien tankless water heaters have been in the US market for quite some time, I recently installed the latest model in my own home. Watch Now. If you have any problems with your Navien heater, feel free to ask in the comment section! Will be replacing with a conventional hot water tank. Put the water heater c over back on and secure it with the . Gas. ELECTRICAL DIAGNOSTIC POINTS 30 4.6. When I initially tested, the Navien pump was shutting off after only 15 seconds. NaviLink functions … The Navien NR-20DU is a wired remote control for Navien's NPE series tankless water heaters. KEY COMPONENTS DESCRIPTION 33 4.6.1. ... i have a navien nr-240a (ng) it is flashing a code of 038E and then 12.00 ... My Navien Model: NPE-240A is throwing a E.594 Code! 1. We're sold on going tankless as we loved our previous Rinnai 98IN. Post navigation Cold W ater. Download NaviLink manual here Detailed list of NaviLink functions for each Navien heater type. Domestic . ... at least that was my experience. -Navien has proprietorship of the parts in the water tank so parts need to be ordered from Navien – time delays and higher than normal cost for replacement parts – Navien technicians on their support line will only tell the homeowner to ‘switch the power off, wait 30 secs, then turn it on”. The house is set up with recirculation, though I am not sure where in the house the "T" on the system is located. Everything seems to be installed properly but their recirculation is not working as intended. Navien has been pushing the boundaries of efficiency for 25 years. 10. Since there is no standing vessel of hot water that requires periodic firing, tankless water heaters are generally among the more efficient options for … A world leader in this category is Navien. Navien NPE-240-A Tankless Gas Water Heater utilizes regular 1/2 gas line, comes with ultra-condensing efficiency, dual stainless steel heat exchangers, front panel command center, both NG or LP field Gas convertibility, and advanced preheating technology. My Navien tankless water heater (model 240A) stopped working all the sudden. Go through all of the programming settings. Topics covered include dip switch settings, temperature setting, diagnostics and parameters. I've been conducting home inspections for 17 years. The Navien NPE-240A is QUIET, efficient, and cost less than $0to have installed by a . Hubert Miles. PCB 33 4.6.2. The internal bypass is set for internal circulation, but on the bank of 8 dip switches the #4 dip switch must be turned on and the #5 switch left off to enable the circulation pump. Factory Setting of Dip Switch 65 Completing the Install 66 Wiring Diagram 66 Ladder Diagram 67 Wiring Information 68 Components Diagram & Parts List 70 Service 79. I am waiting to hear back from Navien, but in the meantime, I would definitely appreciate any help! Navien NR-240A. However, we have had repeated issues with the heat level of our domestic water. Features that are important to … My 6-year-old NR-240A quit on the weekend with E038. ... We set the DIP switches correctly (1, 3-10 off, 2 on) but pump won’t run. 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. They were also equipped with faulty PCB's. Just follow these simple instructions and fix your boiler on your own! The Navien NR series is geared for the residential user. 4 screws. We have a Navien NR-240A installed in new construction in 2012. In colder climates, the unit has a maximum flow rate of 6 GPM. and switch the system off. We have a Navien NPE-240A boiler and an electric (not connected) hot water tank acting as the storage tank. How to Fix: Call technical support (800-519-8794). Without the recirculation pump, hot water is typically about seconds longer to reach full. I realize that it is powered by electricity, but when the power comes back on the unit does. ©Navien America Inc. 2010CH series service Manual 1 Version 1.0 Contents REVISIONS 5 NAVIEN WARRANTY 6 HANDLING OF THIS MANUAL 8 ABBREVIATION AND DEFINITION 9 ... DIP SWITCH SETTINGS 26 4.4. Similar to the Navien NR-210A, the NR-240A is a tankless hot water heater that has a built-in circulating pump and buffer tank except that this model delivers 11 gallons per minute at 45oF rise. I wanted to double check the rest of the my DIP switch settings after finding that the installer had us set to … See in later posts! In fact, it's pretty slick because the Navien automatically shuts the pump off when the return line water temp reaches 90 degrees F. Ask question. To access higher temperature settings through the optional remote controller, follow the below steps. Download Service manual of Navien NP-180 Water Heater for Free or View it Online on All-Guides.com. The latest addition to their tankless collection They keep themselves updated with the latest technological trends to ensure optimal benefits for the recipients. It allows you to manage your water heater from anywhere at home. Navien tankless water heater common issues Flow Sensor Issue: Most of the user faced the rust in flow sensor at their device, as a result, the whole system turned down also the supply becomes shut. WIRING DIAGRAM 29 4.5. Numerous other problems forced the company to discontinue the CR line and replace it with the NR model. Navien … Go through all of the programming settings.