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4.16 Making the electrical connection
This section explains how to install a Bosch CFB controls
series control unit and a temperature sensor set.
DANGER: Risk to life from electric shock!
B Electrical work must only be carried out
by registered electricians in possession
of the necessary qualifications.
B Before opening the appliance, isolate all
poles of the mains power supply and
secure against unintentional reconnection.
B Please observe all installation instructions.
4.16.1 Installing the control unit
Fig. 51 shows the control unit and front cover hood "A"
from behind.
B Loosen both screws on the terminal cover. Lift off the
terminal cover.
Putting the control unit in place
B Fit the control unit at the front by inserting the hooks
into the oval holes in the front boiler cover.
B Pull the control unit forwards and then tip back.
The flexible hooks must latch into the rectangular
openings at the rear of the front boiler cover.
B Screw the base of the control unit on the left and right
of the cable duct on the front boiler hood using two
self-tapping screws.
7
6
5
Fig. 51 Installing the control unit
1
Terminal cover
2
Flexible hook
3
Rectangular openings in the front boiler cover
4
Locking tabs
5
Oval holes in front boiler cover
6
Cable duct
7
Front boiler cover
UNI 7000 F
1
2
4
3
6 720 648 663-40.1T
Making the power supply connection
NOTICE: Appliance damage through
damaged capillary tubes.
B Ensure that the capillary tubes are
neither kinked nor squashed when
uncoiling and routing them.
B Route the capillary tubes through the cable duct and
unroll to the required length.
B Feed capillary tubes to the boiler test ports.
B Feed each sensor into the corresponding sensor well
and secure it with its sensor holder (detailed view in
Fig. 52 has been turned through 180°).
B Screw cable entry (see detailed view
the left and right of the boiler rear panel.
Make a secure electrical connection to
EN 50165 or the relevant international
installation standards and local regulations.
Installation | 33
Fig. 53) on
6 720 803 940 (2010/03)
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