Electrical Connections; General; Recommendations; Control Unit - DeDietrich C 330 Series Installation, User And Service Manual

6.5

Electrical connections

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Caution
The pipes must be flue gas-tight and corrosion-resistant.
The air supply pipe must be smooth and deburred.
Connect the pipes so that they are stress-free.
Maximum bracket spacing for vertical pipes is 2 m.
Maximum tilt of vertical pipes is 20 mm per meter.
The pipes must not rest on the boiler or air supply adapter.
Fit the horizontal parts sloping down towards the air supply
outlet.
Use a bracket at each connection for horizontal pipes.
6.5.1

General

Important
For connections for the C 630 ECO boiler: the properties
described and the instructions apply to each boiler module.
6.5.2

Recommendations

Warning
Electrical connections must always be made with the power
supply disconnected and only by qualified installers.
The boiler is completely pre-wired. Never change the internal
connections of the control panel.
Always connect the boiler to a well-earthed installation.
Establish the electrical connections in accordance with:
The instructions of the current standards.
The instructions of the wiring diagrams supplied with the boiler.
The recommendations in this manual.
Separate the sensor cables from the 230 V cables
Caution
Outside the central heating boiler: Use 2 cables spaced at least
10 cm apart.
6.5.3

Control unit

The table gives important connection values for the control unit.
Tab.27 Connection values for control unit
Supply voltage
Main fuse value F2 (230 VAC)
Fuse value F1 (230 VAC)
Fan
6 Installation
230 VAC/50 Hz
10 AT
2 AT
230 VAC
37