Navien CH-180, User'S Operation Manual

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Setting up the way of control of hot water
Select which one will be used to control hot water temperature, supply water tem-
perature or return water temperature.
Please turn off the power of Remote
Controller by pressing ON/OFF button. If the program and heating button are
pressed simultaneously for 3 seconds,
supply water (or return water) heating
icon flickers.
At this time if the heating button is
pressed, the icon is changed to return
water (or supply water) Leave the dial alone and the display will
automatically save the savings and
return to the “OFF” state.