HEATING SYSTEM CONTROL
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Room temperature – coloured marking
The room temperature on the start
screen is shown in three dierent
colours. The colours have the fol-
lowing meaning:
Colour Meaning
Orange Heating
Heating operation active. The room is
heated to the desired room tempera-
ture.
Blue Cooling (optional: for heat pumps
only)
Cooling operation active. The room is
cooled to the desired room tempera-
ture.
Grey Inactive
Heating/cooling operation inactive.
LED operating status
An LED indicator is additionally attached on the left of the
control module. This displays the operating status and
can light up in the following three colours:
Colour Meaning
Green Correct operation
General information or warnings may
be displayed on the control module.
You as the customer do not need to
do anything, however! Heating ope-
ration is continued.
Orange Blocking
The heat generator has been tem-
porarily blocked because of an error.
Contact Hoval customer service if the
blocking leads to inadvertent cooling
down of the heating system.
Red Locking
The heat generator sent a critical er-
ror and has been locked for safety
reasons. The heat generator cannot
continue to operate. Contact Hoval
customer service!
Brightness sensor
LED indicator
Touchscreen
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