22
SERVICE BY THE HEATING SPECIALIST DHC 23
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 flow only display
4 Flow temperature only display
5 Return 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 Reset time * 0...1800 s 0 s
A = 10 Controller gain 0.1...30.0%/K 10.0 %/K
B = 11 Maximum district heating
return temperature only for
domestic hot water charging 40...90°C 90°C
C = 12 Valve actuator M2 configuration 0, 1, 2 2
0 = modulating (2-10V)
1 = 3-point
2 = both parallel
D = 13 Automatic summer/winter time
can be switched off 05:03/05:10
E = 14 Valve position only display
F = 15 Absolute priority 0 min. 0 min.
time interruption of hot water priority 1...30 min.
parallel mode 40
* < 1 s only P control no I component
■■
Overview of further operating parameters DHC 23-3
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
}
M 2
Programming switch
Service switch
Push and turn knob
10878_BDA_DHC23_engl_neu 06.09.1999 13:50 Uhr Seite 24
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