DOMUSA TEKNIK EVOLUTION EV 20 HFC, Installation And Operating Instructions Manual

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3
2 CONTROL ELEMENTS
12 14 15 13 16
11
18 17
11. Digital display:
This is the boiler functioning display, on which
all the operating information, settings and
values appear. In standard operating mode
(default display), the actual boiler temperature
is shown. If any malfunctioning should occur,
the corresponding alarm code will appear on
the digital display.
12. Boiler temperature touch button:
This is used to select the boiler setpoint
temperature. If
oFF
is selected, the heating
function is disabled. To select the desired
temperature, simply place your finger on the
"
+ " or " - " symbols on the touch button to
increase or decrease the desired boiler
temperature.
13. MODE touch button:
When this button is touched the different
boiler temperatures appear on the digital
display.
14. ON touch button:
If you place your finger on this button for 1
second the boiler will switch on or off.
15. RESET touch button:
If the boiler is in lock-out mode as the alarm
has been triggered, touch the RESET button to
reset the lock-out and restore functioning. If
you are modifying any of the settings or
browsing the user menu, you may touch the
RESET button to exit the menu WITHOUT
SAVING and return to the previous menu level.
16. DHW temperature touch button:
This button can be used to select the desired
domestic hot water temperature (only if a DHW
tank is connected to the boiler). If
oFF is
selected, the DHW function will be disabled. To
select the desired temperature, simply place
your finger on the "
+
" or "
-
" symbols on the
touch button to increase or decrease the
desired DHW temperature.
17. Boiler safety thermostat:
This is a cut-out mechanism to ensure the
boiler temperature does not exceed 110ºC.
18. Fume safety thermostat:
This safety thermostat operates when the
temperature of the combustion products
exceeds 110ºC, in order to protect the
polypropylene duct.