Control PCB menu: (optional) control PCBs can be read out.
The outside temperature sensor is connected.
The room temperature sensor is connected.
The burner output level (1 to 5 bars, with each bar representing 20% output)
The heat pump is switched on.
-
Day display
Central heating operation is switched off.
DHW operation is switched off.
The solar boiler is on and the heat level of the boiler displayed.
Displaying the system water pressure.
The holiday program is enabled.
Frost protection operation is enabled.
Central heating operation is enabled.
DHW operation is enabled.
Displaying the selected PCB.
The three-way valve is connected.
The circulation pump is turning.
ECO mode operation is enabled.
Switch the appliance off then on again.
3.2
Expansion board description
The expansion board SCB-01 has the following features:
0–10 V connection for a PWM system pump
Two potential-free contacts for status notification
Important
If the boiler is fitted with the SCB-01 board, then this is automat
ically recognised by the automatic control unit of the boiler.
On removing this board, the boiler will show an error code. To
prevent this error, carry out an auto-detect immediately after re
moving this board.
For more information, see
Carrying out an auto-detect, page 18
Fig.2
SCB-01 expansion board
AD-0000660-01
Status
Nc C No
Status
Nc C No
+
0
0 -10
SCB-01
3 Description of the product
8
7667004 - v.01 - 12072017
