Without the recirculation pump, hot water is typically about seconds longer to reach full. Except the short range for hot water valves in the showers. #4. Navien NPE-240A Manuals Manuals and User Guides for Navien NPE-240A. Go through all of the programming settings. So, in other words, I need to turn shower valve almost all the way on to start the hot water. Try lower temperatures; it also benefits your electricity bill! We have 12 Navien NPE-240A manuals available for free PDF download: Service Manual, Installation Manual, Operation Manual, Quick Installation Manual, User Manual, Conversion Manualline, Brochure & Specs I finally have my Navien NPE 240 A scheduling working, but I want to tweak the parameter settings to try and get the hottest water to my farthest fixture and keep it hot during the scheduled recirculation times. Navien NR-240A Manuals Manuals and User Guides for Navien NR-240A. Exclusive built-in recirculation system included on all NPE-A models. The buffer tank eliminates the âcold water sandwichâ effect and issues of minimum flow rates commonly found in other tankless water heaters. I am dealing with a Navien NR-180P used with a plain insulated storage tank to act as a capacitor in the system. In this case, youâd better have a contractor come to check the heater for you! Other minor problems This leaves us a very small range to adjust hot water when taking a shower. Navien NPE240A- Navilink,Navilink App, Recirculation settings And Parameters: Jan 15, 2020: Tankless Water Heater Forum: UPS for Outdoor Mounted Navien NPE240A? #5. The Navien NPE-240A is QUIET, efficient, and cost less than $0to have installed by a . Generally, this happens because users have set the temperature too high. I have had The Navien NPE240A for about two years now and the unit has worked flawlessly, but it has taken me a while to get my recirculation settings working and recirculation parameters dialed in. When should the recirculation be on for my Navien NR 240(A) and for how long? There is an existing circ system independent of the Navien heater (It is a 180P not A). Try as I might, this engineer with a BSME cannot completely decipher the Korean-English translation in the manual for dip switch settings. Navien NPE 240Aâ Navilink recirculationâsome customer insights. Navien ComfortFlow® is the first and only system that incorporates a built-in insulated buffer tank and recirculation pump. The Navien NR series is geared for the residential user. We installed a Navien 240S natural gas in our house, and it is working fine. I want to tweak the Parameters a bit to minimize a cold water sandwich. We have been having some problems occasionally with the water just never getting hot unless we unplug the water heater, wait a ⦠Can this being on affect whether the water gets hot or not? No other settings in the R&D information menu were adjusted. Water is too hot. We have 6 Navien NR-240A manuals available for free PDF download: Service Manual, Operation & Installation Manual, Installation Manual, Owner's Operation Manual, Quick Installation Manual View online or download Navien NP-240A Installation Manual My question is about what the right settings are in the 240A for the 2-way valve and the dip switches knowing that I want recirculation and that I now have recirc valves installed (with no external pump). Navien NP-240A Pdf User Manuals. One other possibility is that there is a problem with your recirculation mode. Also, you don't set the dip switches for external recirculation.