Access To The Expansion Box - DeDietrich EVODENS PRO Series Installation And User Manual

5 Installation
Fig.35 Connecting an outdoor sensor
Tout
Fig.36 Connecting an outdoor sensor
Tout
Fig.37 Connecting the calorifier sensor/
thermostat
Tdhw
Fig.38

Access to the expansion box

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42 AMC Pro
1. Connect the plug from the outdoor sensor to the Tout connector.
For more information, see
Setting the heating curve, page 0
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Frost protection combined with outdoor sensor
The central heating system can also be protected against frost in
combination with an outdoor sensor. The radiator valve in the frost-
sensitive room must be open.
Important
For boilers with an SCB-10 PCB, the outdoor sensor must be
connected to the SCB-10 PCB.
1. Connect the plug from the outdoor sensor to the Tout connector.
The frost protection works as follows with an outdoor sensor:
If the outdoor temperature in lower than -10°C: heat demand from the
boiler and the pump starts working.
If the outdoor temperature is higher than -10°C: no heat demand from
the boiler.
Important
The outdoor temperature threshold for frost protection can be
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changed with parameter AP080.
Connecting the calorifier sensor/thermostat
A calorifier sensor or thermostat can be connected to the Tdhw terminals
of the connector. Only NTC 10 kΩ/25°C sensors can be used.
Important
For boilers with an SCB-10 PCB, the calorifier sensor/thermostat
must be connected to the SCB-10 PCB.
1. Connect the two-wire cable to the Tdhw terminals of the connector.
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5.8.4
If there is no space in the boiler's instrument box to install an (optional)
expansion PCB, install the PCB in the electronics expansion box This is
available as an accessory.
1. Unclip the housing cover.
2. Remove the cover.
x3
3. Install the expansion PCB in accordance with the instructions
supplied.
The following is installed in the expansion box:
the SCB-10 PCB.
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Access to the expansion box
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