Pcbs - DeDietrich C 330 Series Installation, User And Service Manual

High-efficiency floor-standing boiler
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6 Installation
Fig.33
Open housing for PCBs
3
+
4
Fig.34
SCU-D4 control PCB
J7
42
6.5.6
The PCBs are positioned in the PCB housing behind the control panel.
2
4x
1
4
5
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J4
J6
J9
Alim
B
TS +
230 V - 50 Hz
N L
N
L
N
N
L
For connection options to the SCU-D4 control PCB:

PCBs

1. Unscrew the 4 lateral retaining screws in the control panel.
2. Remove the protective cover.
3. Open the front cover.
4. Use both thumbs to press the top of the control panel downwards a
little.
5. While maintaining some of the pressure you are applying to the top of
the control panel, use both hands to tip the casing forwards and
upwards.
Connection options for the SCU-D4 control PCB
J1
SCU-D4
J8
0-10V
S
AMB S AMBB S AMP A
+
-
4
3 2 1 2 1 2 1 2 1
B
A
S SYST
+
TA -
S ECS S EXT
N L
2
1 2
1 2 1 2 1 2 1 2 1
J2
J5
C
J10
S DEP C S DEP B
7600532 - v.11 - 13122018
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