Extended functions
7
Logamatic 4321/4322 - Technical specifications are subject to change without prior notice.
40
7.13 Setting the warm weather shut down (WWSD) temperature
In addition to the outdoor temperature, your control panel considers the ability of
the building to store heat and its thermal insulation (creating from these the
"Adjusted outdoor temperature", Æ Fig. 15). After a delay, it automatically
changes over between summer and winter mode.
Summer mode
Heating operation is switched off if the "Adjusted outdoor temperature" exceeds
the factory-set changeover threshold of 63 °F (17 °C).
Summer mode is identified on the display with the icon.
DHW heating remains operational.
Press "Day mode" if you want to heat at short notice although the system is in
summer mode.
The heating system returns to automatic summer mode if you press "AUT".
Fig. 15 Current and adjusted outdoor temperatures compared
1 Current outdoor temperature
2 Adjusted outdoor temperature
x Time
y Temperature
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