31
52
50
51
11
-
SYSTEM BYPASS IN HEATING PROGRAM
System bypass can be set either with or without anti-
freeze protection.
This setting is useful during winter cleaning, mainte-
nance work, or when you are away in summer, etc. The
unit works simply as a clock and room thermometer.
With anti-freeze protection
11.1-
Press twice on button (fig. 51).
The symbol confirms the selection.
The display will show the previously set anti-freeze tem-
perature, which can be changed with the button or
(fig. 52).
The default setting is 6 °C.
Any temperature can be chosen between 2 °C and 35 °C,
and it will be maintained until further adjustments are
made or until a different operating mode is selected. In
ANTIFREEZE mode, control will be exclusively differential.
If you attempt to set a temperature of less than 2 °C, you
will go to SYSTEM BYPASS OPERATION without anti-freeze
protection; the activation of the symbol confirms the
selection.
The indication of the set temperature is
. After
about 5 seconds from the last operation, the room tem-
perature appears.
If you set an anti-freeze temperature below the calibra-
tion value (default value of 0 °C, see chapter 15), the
anti-freeze protection is never activated (e.g. calibration
+2.5 °C, anti-freeze temperature 2 °C). With calibration at
TH350 EN 05_08.indd 31
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30-05-2008 8:20:53
