Hardware configuration
Install the hardware components according following instructions:
1. Place the 0-10 volts device at the appropriate position according
packed instructions.
Electrical connections
1. Connect the wires to the 0-10 volts device.
2. Guide the wiring towards the electrical connections of the appliance.
3. Connect the input signals to terminals 1 and 2 (0-10V) of the
connector.
Settings
Depending on the requirements the following parameters need to be
checked and adjusted.
Tab.69 Parameter settings
Code
Display text
Advice
EP014
SCB func. 10V PWMin
Set this to the correct mode. Control based on temperature (1) or heat output
(2).
EP030
Min Setp Temp 0-10V
Set the minimum temperature setpoint.
EP031
Max Setp Temp 0-10V
Set the maximum temperature setpoint.
EP032
Min Setp Power 0-10V
Set the minimum heat output setpoint.
EP033
Max Setp Power 0-10V
Set the maximum heat output setpoint
EP034
Min Setp Volt 0-10V
Set the minimum voltage setpoint.
EP035
Max Setp Volt 0-10V
Set the maximum voltage setpoint.
9.2.6
Setting the heating curve
When an outdoor temperature sensor is connected to the installation, the
relation between the outdoor temperature and the central heating flow
temperature is controlled by a heating curve. This curve can be adjusted
to the requirements of the installation.
1. Select the tile of the zone you want to configure.
2. Press the button to confirm the selection.
3. Use the rotary knob to select Control strategy.
4. Press the button to confirm the selection.
5. Use the rotary knob to select the setting Outdoor Temp. based or
Outdoor & room based.
6. Press the button to confirm the selection.
The option Heating Curve appears in the Zone setup menu.
7. Use the rotary knob to select Heating Curve.
8. Press the button to confirm the selection.
A graphic display of the heating curve is shown.
9. Adjust the following parameters:
Tab.70 Settings
A
Slope:
Slope of the heating curve:
Floor heating circuit: slope between 0.4 and 0.7
Radiator circuit: slope at approximately 1.5
B
Max:
Maximum temperature of the heating circuit
C
Base:
Ambient temperature setpoint
D
xx°C ; xx
°C
Relationship between the heating circuit flow
temperature and the outdoor temperature. This
information is visible throughout the slope.
Fig.87
Connecting 0-10 volts with
expansion PCB
AD-4000004-02
Status
1
2
3
4
+
0-10V
-
Fig.88
The heating curve
AD-3001402-01
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11:20
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...
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D
B
A
C
9 Installer instructions
78
C 340 / C 640
7762666 - v.02 - 29092020
