Power Connection; Electrical Connection - Wolf CGB-75 Installation And Technical Manual

General notes
The installation must be carried out by a
licensed electrical contractor. Observe electrical
regulations and those of the local power supply
utility.
Terminal box
The control, regulating and safety equipment are fully wired
and tested.
Combi boiler power supply
In the case of a permanent connection, provide the power
supply via a mains isolator (e.g. fuse, heating system
emergency stop), which ensures at least 3 mm contact
separation for all poles. Power cable, flexible, 3x1.0 mm² or
rigid, max. 3x1.5 mm².
Installation information, electrical connection
Isolate the system from the power supply before opening the
casing.
Pivot the control unit to the side.
Unclip the terminal box from the holder.
The terminal box can be mounted on the wall to the right or
left of the boiler.
Open the terminal box.
Insert the strain relief into the holes provided.
Strip approx. 70 mm off the power cable insulation.
Push the cable through the strain relief and secure the strain
relief.
Terminate the appropriate cores at the Rast-5 plug.
Push the inserts back into the terminal box casing.
Push the Rast-5 plugs back into the correct positions.
L.h. option
18

Electrical connection

230 V AC/50 Hz
Terminal box, factory-set
The power supply terminals are 'live' even when
the ON/OFF switch has been switched OFF.
Z A1
L1 N L1 N L1
L1 N
N L1 N L1
3 3 3
Power supply Programmable
output
230 V AC/50 Hz/
max. 200 VA
External pump (on site)
230 V AC/50Hz/max. 300 VA
F 3.15 A
Rast-5 plug
Strain relief
1 2
1 2 1 2
2 2 2
Programmable Outside
input temperature
zero volt sensor
BUS
(controller, radio clock, AF with radio
clock, receiver, outside radio sensor)
R.h.
option
30 62 555_0709