Additional Features For Cascade Systems - Navien NR-20DU Manual

Additional features for Cascade systems

Standby feature before On/Off
This feature allows the system to stand by until the
Power is switched to On or Off.
"WAIT" is displayed while the entire Cascade water
heater is powered ON or OFF.
This is applied to models with Cascade
Note
systems only.
System info on the Slave panel
When the remote controller is connected to the
wrong panel, its ID is displayed on the LCD display
as an error. In this case, you cannot control or
change the settings.
Connect the remote controller to the Master panel
correctly.