DHC 23
Programming switch
Service switch
Push and turn knob
SERVICE BY THE HEATING SPECIALIST
Overview of operating parameters DHC 23-3
q
Turn programming switch into auto position.
w
Different values can be displayed by turning the service switch into the positions
0 ... F (see Table).
e
The parameters can then be changed with the aid of the push and turn knob.
Position Operating parameter
0
Time
1
Day, month or year
2
Max. flow setpoint
3
Night setpoint
4
Frost protection limit
5
Heating characteristic slope
6
Building construction
for optimization
0 = optimization off
1 = light construction
2 = medium construction
3 = heavy construction
7
Valve actuator M1 running time
8
Valve actuator M2 running time
9
Max. inlet temperature in
WW heat exchanger (VF
A = 10
District heating valve minimum lift
B = 11
Maximum district heating return
temperature in heating mode
C = 12
Onset point of floating district
heating return temperature limitation
D = 13
Reset time
E = 14
Controller gain
F = 15
(not used)
Range
0:00...23:59
1990...2089
30 ... 120°C
0...20°C
-10... 1 5°C
0.4...4.5
0, 1, 2, 3
10... 1 800 s
10... 1 800 s
)
40...90°C
1
0...30 %
40...90°C
-20... 1 0°C
1...30 min.
}
M 1
1...30%/K
Basic setting
current time
current date
90°C
10°C
2°C
1.6
0
120 s
30 s
90°C
0 %
90°C
10°C
3 min.
3 %/K
21