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