Functional description of the electronic charging device - EL
Instructions:
The electronic charging regulator EL is designed for manual and weather - and residual heat -
dependent charging of the heat accumulators.
The controller can recognize and process the following control signals:
AC: 37/40 % ED, 68/72 % ED, 80 % ED PS, 80 % ED NS
DC: 0,91 - 1,43 V
PS = Positive disturbance behaviour. Working range between 0% ED and 80% ED
NS = Negative disturbance behaviour. Working range between 2% ED and 80% ED
For direct connection.
❍ Connection of the core probe (thermocouple)
Connect the positive cable to the R + terminal and the negative cable to the G- terminal.
❍ Connection of the setpoint potentiometer (potentiometer)
Connect the designated cable of the setpoint to terminal P1. Connecting the DC control voltage
[0.91 V - 1.43 V] Connect the positive cable to the D + terminal and the negative cable to the D-
terminal on the charge controller
❍ Connection of the DC control voltage [0.91 V - 1.43 V]
Connect the positive cable to the D + terminal and the negative cable to the D- terminal on the
charge controller.
When an increased voltage is connected, e.g. 230V, the controller is irreparably damaged.
The AC control voltage is connected directly to the terminals A1 / Z1, A2 / Z2 of the heat
accumulator.
Manual charging of the heat accumulators is only possible with the factory setting of the DIP switches.
Danger:
For green and white thermocouple, the positive
conductor is green.
Coding switch
❍ Selection of the control signal (40% ED, 68%
ED, 80% ED NS, 80% ED PS, etc.) with the DIP
switches from No. 6 to No. 8,
Row S2
Before commissioning, make sure that the control
signal of the charge control and of the support
controller is identical
Default:
AV (230V) 80%
ED -PS
Switch number /
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