18
■■
Overview of further operating parameters DHC 23-1
q
Turn programming switch into position.
w
Further parameters can be displayed and changed by turning the service switch
into the positions 9....D.
e
The parameters can then be changed with the aid of the push and turn knob.
Programming switch
Service switch
Push and turn knob
Position Operating parameter
Range
Basic setting
0
Outside temperature
only display
1
Flow temperature
only display
2
District heating return temperature
only display
3
Domestic hot water temperature upper*
only display
4
Domestic hot water temperature lower*
only display
5
Domestic hot water charging temperature*
only display
6
Room temperature setpoint
only display
7
Flow temperature setpoint
only display
8
Maximum setpoint of the district
only display
heating return temperature
9
Layered domestic hot water
storage tank switching
-10...20 K
0°C
difference* WW1 and WW2
A = 10Switching difference for*
0
...10
K
1 K
domestic hot water pump run-on
B = 11
Maximum district heating return
40...90°C
90°C
temperature with sole domestic
hot water charging
C = 12
Absolute priority
0 min.
0 min.
time interruption of hot water priority
1...30 min.
parallel mode
40
D = 13
Automatic summer/winter time
05:03/05:10
E = 14
Current valve position
M1
only display
F = 15
Software version
* Only for layered domestic hot water storage tank operation
SERVICE BY THE HEATING SPECIALIST
DHC 23
10878_BDA_DHC23_engl_neu 06.09.1999 13:50 Uhr Seite 20
