6.6
Electrical connections
6.6.1
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
6.6.2
Control unit
The table gives important connection values for the control unit.
Supply voltage
230 VAC/50 Hz
Main fuse value F1 (230 VAC)
6.3 AT
Fan
230 VAC
Danger of electric shock
The following components of the boiler are connected to a 230 V
power supply:
(Electrical connection for) circulating pump
(Electrical connection for) gas combination block 230 RAC
(Electrical connection of) fan
The majority of components in the control unit
Ignition transformer
Power supply cable connection
Various connections in the connection box
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 boiler is completely pre-wired.
Caution
Always order a replacement mains lead from Remeha. The
power supply cable should only be replaced by Remeha, or by
an installer certified by Remeha.
The switch must be easily accessible
Use an isolating transformer for connection values other than
those stated above.
The control panel and the connection box still need to be fitted. The PCBs
are also placed in the connection box.
Fig.22
Connectors from the control unit
CU-GH06 (front view)
AD-0000915-01
X07
X08
X10
X09
X11
X12
X06
X05
X04
X03
X02
X01
6 Installation
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