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Effect
Important settings
Note
Benefit
Description
Setting
Effect of temperature
setting
34/166
Siemens Building Technologies
HVAC Products
By pressing the respective button, d.h.w. heating is switched on or off.
•
D.h.w. heating OFF - button dark.
D.h.w. is not being heated. Frost protection remains active, however, and prevents
the storage tank temperature from falling below a certain level
•
D.h.w. heating ON - button illuminated.
The d.h.w. is heated according to the settings made
The following settings affect d.h.w. heating:
•
Time switch program d.h.w. heating (lines 29...35)
•
Nominal d.h.w. temperature setpoint (line 13)
•
Reduced d.h.w. temperature setpoint (line 120)
•
Release of d.h.w. heating at the nominal setpoint (line 121)
•
Assignment of d.h.w. heating (line 123)
•
D.h.w. heating (line 124)
•
Type of d.h.w. demand (line 125)
The d.h.w. values that can be adjusted on the controller apply to both d.h.w. heating by
the controller and d.h.w. heating by a BMU supplied by Landis & Staefa. Some BMUs
of other manufacture also support this function.
3.3
Nominal room temperature setpoint
•
Straightforward setting of the required nominal room temperature setpoint
The heating system uses 3 different setpoints that can be adjusted:
• The nominal room temperature setpoint described here
• The reduced room temperature setpoint (setting on line 14)
• The frost protection setpoint of the room temperature (setting on operating line 15)
The nominal room temperature setpoint is preadjusted with the setpoint knob. It is
located on the controller front for direct access by the user.
Setting range
8...26
0
2
4
6
Room temperature setpoint setting ranges
14
Setting "Reduced room temperature setpoint"
15
Setting "Frost protection setpoint of the room temperature"
When the nominal room temperature setpoint is active, the rooms will be heated
according to the adjustment made with the setpoint knob.
Effect in the various operating modes:
Basic Documentation RVA47.320
Description of the enduser settings
Unit
°C
8
10
12
14
16
Factory setting
20
18
20
22
24
26
CE1P2379E
15.07.2002
2379Z17
°C
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