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Viessmann Cascade control unit - Page 21

Viessmann Cascade control unit
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21
Functions
Operating conditions (cont.)
Summer mode
The function activates if the adjusted outside temperature is higher than the
set room temperature in standard mode plus the set "Difference summer
mode"; central heating remains OFF. You can adjust the period during which
the average outside temperature is calculated.
A Required room temperature
B Average outside temperature
C Differential summer mode
D Summer mode
Set value (multi-boiler control unit)
The average outside temperature will be
calculated over the set period. Fluctuations in
outside temperature will strongly influence the
average value, if you set a short period.
Fluctuations will have a lesser effect on the
average value if you set longer periods.
In the "Operating details" menu (see pageĂ15) you can scan whether the
control unit is set to "Summer mode".
5862Ă474ĂGB
C
B
A
D
t in h
Time constant
summer mode 24h
Differential
summer mode 2 K

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