Explanation of the operating elements
Operation
4
Operation
Explanation of the operating elements
Selection switch
RUN Automatic
mode
i
Standby (frost protection only)
burner OFF, pump OFF
W
1
Service 1 / Emerg-Mode (set value => °C
D
)
Burner ON, Pump ON*)
Modulation: Burner On, Air damper CLOSE
W
1 + Prog button => Relay Test (=>Rotary knob)
W
2
Service 2 / Emerg-Mode (set value => °C
D
)
H
1/2/11/Mod = 2: Burner 1+2 ON, HS1 Pump ON*)
H
1/2/11/Mod = 11: Burner 2 ON, HS2 pump ON*)
H
1/2/11/Mod = m: Burner ON, Air damper OPEN
BUS ID
bus identification (boiler number)
°C
D
in the case of fixed value: Flow / Return flow set
temperature in the case of control mode:
Maximum flow temperature
with cascade: Presettings via cascade
controller
°C
F
without
function
v
b
in the case of return flow temperature increase
using mixer:
Mixer dynamics [K for 100% control]
Modulation in cascade: Air damper activation
time
[s]
°C
D
in the case of return flow temperature increase:
min. return flow temperature
H
1/2/11/Mod
heat generator stages
(1=single stage, 2=two-stage, 11=2HS, m=modulating)
*) Pump ON > [°C
D
+5K v 65°C]; OFF < [°C
D
-5K v
55°C]
Rotary knob
•
Adjusting a set value
Button STL-test / Enter / Reset
STL-test (RT without effect) => By pressing > 1s
=>Burner on, for as long as button is pressed, display: HS-
Temp flashes (no function as mixer)
Enter (modify set values) => Selection of parameter for
adjustment (flashing); Save by pressing again
=> for temperature readouts: Display set value (for 2
seconds)
Reset: In order to reset the controller to the default setting,
keep the button pressed while defining the operating
voltage (display "
EE
") All user values will be lost during this
procedure! For this reason, please take a note of your own
parameters in this manual.
Settings via DIP switch (rear side)
1:
no function in V1
2:
no function in V1
3:
no function in V1
4:
no function in V1
5:
no function in V1
6:
Sensor selection: 5K NTC <-> 1K PTC