Operating the Boiler 51
10.3.2 Adjusting the DHW Temperature
WARNING
Before adjusting the water temperature, carefully read “To
prevent burns:” on page 5. Water above 52°C can cause
instant scalding or severe burns.
To adjust the water temperature:
1. In normal operation mode, press the menu button (
)
twice.
The DHW demand icon blinks on the screen.
2. Press the Plus button ( ) or the Minus button ( ) until
desired temperature appears on the display. You can adjust
the temperature while the display is flashing. Once the
display stops flashing, the temperature setting is stored.
Note
●
Take note of the original water temperature in case
you want to restore it to the default.
●
The default DHW temperature range is 30°C to
65°C.
●
The boiler will retain your settings during a power
outage.
●
The DHW temperature cannot be adjusted, when
the Heat Demand function is set to OpenTherm.
10.4 Resetting the Boiler
If an error message appears, you can try resetting the boiler to
resolve the problem. To reset the boiler, press the Power button
(
).
If resetting the boiler does not solve the problem, refer to the
Troubleshooting section of this manual or contact a Technical
Assistance Service.
10.5 Setting the CH Heat Demand
To set the boiler’s CH Heat Demand, press the Menu button (
)
and the Plus button ( ) simultaneously for 5 seconds. “dmnd”
will be displayed for 2 seconds, and CH Heat Demand setting
mode will begin.
Press the ECO button (
). The CH Heat Demand blinks on the
screen. Then, press the Plus button ( ) or the Minus button
( ) to set the CH Heat Demand. Press the ECO button (
) to
save the value.
1. Navien Thermostat
2. Panel
3. OpenTherm
4. CH thermostat
5. Switched Live
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