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Useful Tips
Overview of Controls and Indicators
Changing Room Temperature
F
psi
SERV
In case a separate external room
temperature controller (thermostat) is
installed, the desired room temperature
will be adjusted using this device.
Make adjustments using the appropriate
operating instructions only.
(continued)
Legend
Display value or fault code
Heating mode (pump on)
Burner in operation
Actual burner firing rate
Boiler water temperature in °F
(combined with display value)
Fault
System pressure (combined with
display value)
Emissions test activated (only for
licensed professional heating
contractor)
Please also note:
lf thermostatic radiator valves are installed
in the room where the control is installed
they must be fully open.
In case the room temperature setting on
the separate room temperature controller
is not sufficient to achieve the desired
room temperature (e.g. during a
particularly cold winter), the boiler water
temperature can be adjusted accordingly
using the boiler water temperature
selector dial tr.
9
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