View online or download Navien CR-2Installation Manual. Manuals and User Guides for Navien NR-240A. We have Navien NR-240A manuals available for free PDF download: Service Manual, Operation Installation .
Ultra condensing efficiency; Dual stainless steel heat exchangers; Low NOx emissions (≤ 20ppm); SCH 4 3” PVC venting up to 100′; Cascading . GPM, Natural Gas, Tankless Water Heater with Recirculation Pump 0. For Potable Water Heating and Space.
Please see the installation manual for detailed multiple unit installation. Where: CR: Residential Model CC: Commercial Model. Apr 20- I Components Diagram Parts List.
I Components Diagram Parts List. Aug 20- Switch #selects unit type between CR and CC:. Close the manual shut off valve on the cold water line;.
Improper BTU selection on DIP switches (i.e.: CR-1but set for CR-240);.
