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Siemens Building Technologies Basic Documentation RVA47.320 CE1P2379E
HVAC Products Description of the enduser settings 15.07.2002
3.13 Frost protection setpoint of the room
temperature
• Protects the building against frost
This function is ensured only when the heating plant operates properly!
This function prevents the room temperature from falling below the adjusted frost
protection setpoint.
1. Press the operating line selection buttons to select line 15.
2. Press the + / – buttons to adjust the frost protection setpoint of the room
temperature.
Setting range Unit Factory setting
4...TRRw °C 10
TRRw Reduced room temperature setpoint (setting on operating line 14)
This setting will change the frost protection setpoint of the room temperature.
In operating mode
, the room temperature is prevented from falling below a certain
level. This means that the frost protection setpoint of the room temperature
will be
maintained.
0 2 4 6 8 10 12 14 16 18 20 22 24 26
°C
2379Z17
Room temperature setpoint setting ranges
14 Setting "Reduced room temperature setpoint”
15 Setting "Frost protection setpoint of the room temperature”
3.14 Summer / winter changeover temperature
of the heating circuit
• Fully automatic operation throughout the year
• The heating will not be switched on when the outside temperature drops for short
periods of time
• Additional savings function
The summer / winter changeover temperature is the criterion for automatic summer /
winter changeover of the heating plant.
Benefit
Caution
Description
Setting
Effect
Frost protection for the
building
Benefit
Description
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