~ORCESTER
Bosch
Group
0
INSTALLATION
&
SERVICING
INSTRUCTIONS
FOR
WORCESTER
BOSCH
GREENSTAR
25CDV30CDV37CDci42CD•
6
720
613
700a
(2006/11)
CHARGING
LINK
(FILLING LOOP)
In
order
to
fill or flush the system prior
to
the
boiler being hung, you must use your re-usable
System Filling
Kit-
Part Number 7716 192 282.
~
Fully close the isolating valves on both the
DHW
inlet and
CH
return connections.
~
Check
that the gas and water connections
are tight.
~
1.1
Unscrew the blanking plugs from both
the
DHW
inlet and
CH
return connections.
~
Place the filter inside the inlet side
of
the
Charging Link ensuring that the
filter mesh
is inside the
inlet.
~
Fit the Charging Link assembly onto the
DHW
inlet and
CH
return connections.
~
Do not insert the Charging Key at this stage.
~
1.2 Ensure that the Charging Link is pushed
in
fully
to
the
stop
tabs on both sides
of
the
Charging Link.
~
Fit
two
M4
screws
complete with washers
to
each
of
the
two
connections.
NB:
It is
not
possible to
access
the third
screw
hole so
this can be
left.
~
Do not attempt to turn the brass hexagon
connectors.
~
1.3 Ensure that the white plastic Control
Screw
on the Charging Link is turned fully
into its closed position, see diagram (1.3).
~
Open
the isolating valves on both the
DHW
inlet and
CH
return connections.
~
Insert the Charging Key initially aligning the
arrow on the key with the "unlock" symbol
on the Charging Link body. Ensure that the
key is inserted
fully and turn to the "lock"
position.
Check
that the key is secure, see
diagram (1.3).
~
To
fill the system from the
DHW
inlet turn
the
white
plastic Control
Screw
on the
Charging Link
to
the fully
out
position.
~
Once
the system has been filled turn the
white
Control
Screw
to its closed position
and then remove the Charging Key by
turn-
ing
back
to
its "unlock" position and with-
drawing.
Store
the Charging Key
in
the clip
provided on the inside
of
the
bottom
panel.
CHARGING LINK (FILLING LOOP)
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