When using the default auto learning mode with the NRCR the unit will automatically adjust the recirculation schedule based on the usage. It does this by remembering when you use hot water and if you don’t use hot water during a remembered time for 3 days, it will remove that…
Customize your NRCR settings The NRCR has a pre-run feature that will start running the recirculation pump ahead of the scheduled hour. Whether you use the auto learning mode or choose to set your own times with the optional commercial remote or wifi adapter, the default setting is 15 minutes…
Customize Your NRCR Settings The NRCR auto learning program will flag any hot water use that is 3 seconds or longer meaning just about any hot water use will be remembered. However this can be adjusted if you find that too sensitive. Let’s say you only want the NRCR to…
Below are a collection of videos that will show you how to set up the different recirculation modes of the NRCR. Auto Learning Mode (Default out of the box setting): Schedule Mode (RC-9018M Remote and Remote Cord Required) Title 25 On Demand Mode: Recirculation Always ON: Recirculation Always OFF:
If you’re installing a new NRCR and want to make sure things get off to a great start or if your newly installed NRCR is experiencing 63 error codes or noises during recirculation you may need to purge air from the plumbing. Follow the steps in this video to learn…
EC93 or Error Code 93 An error code 93 relates to neutralizer1 life cycle and indicates it has reached the end of its effective lifespan. Performance of the unit may be reduced until the neutralizer is replaced and reset procedure followed (included with the new part). The built-in neutralizer does…
EC92 or Error Code 92 An error code 92 relates to neutralizer1 life cycle and is the first warning that it’s near the end of its effective life. The built-in neutralizer has a life cycle and does need to be replaced periodically. The neutralizer will need to be replaced and…
EC91 or Error Code 91 An error code 91 means incorrect gas type. For new installs: Verify the unit is provided the correct gas type. Verify the unit is installed according to the guidelines found in the installation manual either included with the unit or downloaded from our support site…
EC90 or Error Code 90 A 90 error code indicates a combustion abnormality. This means that the mixture of fuel and air is off from specification and is resulting in poor quality combustion. To simplify it, the unit is either struggling to move air in or out of the unit…
EC73 or Error Code 73 The 73 error code indicates a circuit board setting issue. It is triggered by the following conditions: Any changes made to the dipswitches or jumper wires inside the unit should be done with the unit disconnected from power. If you received a replacement circuit board…