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8.5.2 Terminal strip connections
Turn the vent key through a quarter rotation to undo the boiler door
lock ( fig. 38, see detailed picture).
Push the fastener down ( fig. 38) and open the boiler door.
Fig. 38 Open the boiler door
Undo 1 screw to release the cover over the electrical connections
and pull the cover upwards ( fig. 39).
Fig. 39 Pull up the cover over the electrical connections
The terminal strip in the boiler ( fig. 40) has a number of terminals to
connect internal and external electrical components. The listing below
shows which components must be connected to which terminals
( section 7.5.4, page 36).
Fig. 40 Terminal strip
[A] Low-voltage connections
[B] 230 V connections
8.5.3 Routing the cable through the boiler
Route the cable for the low-voltage connections through the hole on
the left [1].
Route the cable for the 230 V-connections through the hole on the
right [2].
Attach the cable for the 230 V-connections using the strain relief
clamps [3].
Fig. 41 Routing the cable
8.5.4 Description of the terminal strip connections
Connect all components to the relevant terminals.
If uncertain how to connect controls to this appliance,
first contact the Worcester technical helpline on
0330 123 3366 or your supplier.
6 720 648 726-038.1TD
6 720 648 726-039.1TD
DANGER: Danger of fatal accident due to electric shock.
Items 1 – 6 are low-voltage connections and items
7 – 10 are 230 V-connections ( fig. 42).
Please be aware that there may be a voltage on items
7 – 10 (230 V), when power is supplied to the boiler.
AB
PK PS PZ
Mains
230 V
RC WA EV
FA FW DWV
6 720 648 726-040.1TD
3
2
1
6 720 648 726-041.1TD
26


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