SERVICE BY THE HEATING SPECIALIST DHC 23
20
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Overview of further operating parameters DHC 23-2
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..
Position Operating parameter Range Basic setting
0 Outside temperature only display
1 Flow temperature of the only display
heating circuit M1
2 District heating return temperature only display
3 Domestic hot water temperature only display
4 Flow temperature unmixed circuit only display
5 Flow temperature setpoint
mixed circuit only display
6 Room temperature setpoint only display
7 Flow temperature setpoint
unmixed circuit only display
8 Maximum setpoint of the district only display
heating return temperature
9 Configuration of 6th relay 2, 3 3
2 = circulation pump
3 = layered heating circuit
A = 10 Room setpoint for layered
heating circuit 8...32 °C 20
B = 11 Heating characteristic slope
unmixed heating circuit 0.4...4.5 1.6
C = 12 Temperature selector input 1...3 1
1 = acts on both heating circuits
2 = acts only on mixed heating circuit
3 = acts only on unmixed heating circuit
D = 13 Automatic summer/winter time
can be switched off 05:03/05:10
E = 14 Current valve position M1 only display
F = 15 Software version only display
Programming switch
Service switch
Push and turn knob
10878_BDA_DHC23_engl_neu 06.09.1999 13:50 Uhr Seite 22
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