Wolf CGB-75 Assembly And Operating Instructions Manual page 19

Changing a fuse
Isolate the condensing boiler from the power
supply prior to changing a fuse. The ON/OFF
switch on the boiler does not provide separation
from the power supply.
Danger through 'live' electrical components.
Never touch electrical components or contacts
as long as the condensing boiler has not been
isolated from the power supply. Danger of death.
DHW cylinder sensor connection
- When a cylinder is to be connected, the blue socket of the
cylinder sensor must be connected to the blue plug of the
control unit.
- Observe the cylinder installation instructions.
Connection, external heating circuit pump (on site)
(230 V AC max. 300 VA)
Insert the cable glands into the terminal box. Insert and secure
the connecting cable through the cable gland.
Connect the pump 230 V AC to terminals L1 and N and
.
The pump is activated when there is demand in heating, DHW
or frost protection mode.
Connection output A1 (230 V AC; 200 VA)
Insert the cable glands into the terminal box. Insert and secure
the connecting cable through the cable gland. Connect the
connecting cable to terminals L1, N and
The parameters for output A1 are described in the table on
the following page.
3062555_201507
Electrical connection
Figure: Terminal box cover open
Figure: Blue plug, cylinder sensor connection
Figure: Connection, heating circuit pump
.
Figure: Connection output A1
Fuse
Blue plug
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