Hitecsa ADISA ADI CD 105, Technical Manual Of Installation, Use And Maintenance

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ADI CD Boiler – Technical Manual
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11.2 External control signal 0…10 V to regulate start-up and power modulation of each boiler
Each boiler can receive and process an external signal 0…10 V.
The external signal 0…10 V will transmit to the boiler a set-up temperature value.
The signal 0…10 V must be connected to the terminals shown inside the boiler.
The linear characteristic is defined by 2 fixed points. The setting uses 2 pairs of
parameters for function value and voltage value
(F1/U1 and F2/U2).
Voltage
0,15V U1=0V U2=10V
Flow
temperature
setpoint
F2=85ºC
F2=65ºC
These are the predefined 0...10 V values in configuration :
These are the setpoints that we get from 0...10 V demand:
Voltage (V) Setpoint (ºC)
1 22
2 29
3 36
4 43
5 50
6 57
7 64
8 71
9 78
10 85
Line nr. predefined
F1 Function value 1 5954 150 (15ºC)
F2 Function value 2 5956 850 (85ºC)
U1 Voltage value 1 5953 0
U2 Voltage value 2 5955 10