Setting The Heating Curve - DeDietrich C 340 Series Installation And User Manual

9 Installer instructions
Fig.87 Connecting 0-10 volts with
expansion PCB
Status
0-10V
-
+
4 3 2 1
Tab.69 Parameter settings
Code Display text
EP014 SCB func. 10V PWMin
EP030 Min Setp Temp 0-10V
EP031 Max Setp Temp 0-10V
EP032 Min Setp Power 0-10V
EP033 Max Setp Power 0-10V
EP034 Min Setp Volt 0-10V
EP035 Max Setp Volt 0-10V
Fig.88 The heating curve
11:20 ... ..... .... ...... .... ...... ....
A
...... ...
B
... ....
... ...
C
.... ...
.... .....
........ ...................
78 C 340 / C 640
AD-4000004-02
Advice
Set this to the correct mode. Control based on temperature (1) or heat output
(2).
Set the minimum temperature setpoint.
Set the maximum temperature setpoint.
Set the minimum heat output setpoint.
Set the maximum heat output setpoint
Set the minimum voltage setpoint.
Set the maximum voltage setpoint.
D
AD-3001402-01
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.
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:
B Max: Maximum temperature of the heating circuit
C Base: Ambient temperature setpoint
D xx°C ; xx Relationship between the heating circuit flow
°C temperature and the outdoor temperature. This
information is visible throughout the slope.
Floor heating circuit: slope between 0.4 and 0.7
Radiator circuit: slope at approximately 1.5
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