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Siemens Switzerland Ltd User manual RVS61.843 CE1U2355en_02
HVAC Products 6 The settings in detail 23. November 2007
To assure this function, following must be observed:
• A room sensor must be connected
• The ”Room influence“ setting must be between 1 and 99
• There should be no thermostatic radiator valves in the reference room (mounting
location of room sensor) (If such valves are present, they must be set to their fully
open position).
ECO functions
Line no. Operating line
HC1 HC2 HC3P
730 1030 1330 Summer/winter heating limit
732 1032 1332 24-hour heating limit
The summer / winter heating limit is used to switch the heating on and off in the course
of the year, depending on temperature conditions. In Automatic mode, switching on / off
takes place automatically, so there is no need for the user to do this manually. By
changing the setting, the respective periods of time will be shortened or extended.
Increase: Winter operation will start
earlier
Summer operation will start
later
Decrease: Winter operation will start
later
Summer operation will start
earlier
• The function is not active in operating mode ”Continuously nominal temperature“
• The display will show ECO
• To give consideration to the building’s thermal dynamics, the outside temperature is
attenuated
Example:
SWHG Summer/winter heating limit
TAged Attenuated outside temperature
T Temperature
t Days
Summer/winter heating
limit
ON
17
T
SWHG
TAged
°C
OFF
t
2358Z08
SWHG
+1 °C
SWHG
-1 °C
16
18
19
20
501015
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