Access To The Instrument Box; Connection Options For The Standard Pcb - Cb-03 - DeDietrich EVODENS PRO Series Installation And User Manual

Fig.26

Access to the instrument box

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Fig.27
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Fig.28
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The boiler has a three-wire mains lead (lead length 1.5 m) and is suitable
for a 230 VAC/50 Hz power supply with a phase/neutral/earth system. The
boiler is not phase sensitive. The power supply cable is connected to the
X1 connector. A spare fuse can be found in the housing of the control unit.
The boiler has several control, protection and regulation connection
options. The standard PCB can be extended with optional PCBs.
5.8.2
The following is installed in the instrument box:
the standard PCB CB-03 with connector X3.
1. Unscrew the two screws located under the front housing by a quarter
2. Press the clips on the sides of the instrument box inwards slightly.
90 º
3. Tilt the instrument box forwards.
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AD-3001411-01
4. Press the clip on the side of the instrument box flap inwards slightly.
5. Open the instrument box flap.
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AD-3001412-01
6. Guide the relevant connection cable(s) through the round grommet(s)
7. Guide the relevant connection cable(s) through the instrument box via
8. Undo the strain relief clip(s) and feed the cable(s) underneath.
9. Connect the cables to the appropriate terminals on the connector.
10. Press the strain relief clip(s) firmly into place.
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11. Close the instrument box.
AD-3001414-01
5.8.3
The boiler is fitted with a connection PCB, to which various thermostats
and regulators can be connected.
Danger of electric shock
The following components of the boiler are connected to a 230 V
power supply:
Electrical connection to circulating pump.
Electrical connection to gas combination block.
Electrical connection to fan.
Control unit.
Ignition transformer.
Power supply cable connection.
Access to the instrument box
turn and remove the front housing.
The connector X3 on the CB-03 PCB is now accessible.
on the boiler's bottom plate.
the cable ducts provided.

Connection options for the standard PCB - CB-03

5 Installation
AMC Pro 39