Charging Link (Filling Loop) - Bosch Worcester GREENSTAR CDi Series Instruction Manual

~ O R C E S T E R
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)