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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 = 10 Switching 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
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