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10. Operating the Boiler
10.1 Using the Front Panel
The front panel allows you to adjust the temperature and view the operating status or error codes. Remove the protective sheet from the
front panel before using it.
10.1.1 Icons and Digital Display
The icons and digital display on the front panel provide important
information required for the boiler's operation. Refer to the following
table for detailed information.
a
c
e
g
i
k
40
Operating the Boiler
Outdoor temperature
compensation (OTC)
Displayed when the outdoor
temperature compensation (OTC) is
enabled.
System fault
Displayed when a system fault is
detected.
Schedule programming mode
Displayed when the boiler's schedule
programming operation is set.
Central heating demand
Indicates the central heating
demand is present.
Central heating set temperature
When the central heating
temperature is set: Displays the
currently set central heating
temperature.
When the central heating
temperature is not set: Displays the
current supply water temperature.
Outdoor temperature
Displays the outdoor temperature.
c
b
a
g
i
k
Combustion
b
Displayed when the burner is
combusting.
Anti-freeze
d
Displayed when the boiler is operating
in anti-freeze mode.
DHW preheat
Displayed when the DHW preheat
feature is enabled.
f
DHW demand
h
Indicates that DHW demand is present.
DHW set temperature
When the DHW temperature is set:
Displays the currently set DHW
temperature.
When the DHW temperature is not set:
j
Displays the current supply water
temperature when using the DHW
thermostat.
Displays the current DHW tank
temperature when using the DHW sensor.
System pressure
l
Displays the internal water pressure of
the boiler system.
d
e
f
h
j
l
DHW
DHW
preheat
Intelligent
DHW
DHW
preheat
preheat
(Always on)
(Weekly)
DHW
preheat off
(Eco mode)
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