~ORCESTER
INSTALLATION & SERVICING INSTRUCTIONS
FOR
WORCESTER BOSCH GREENSTAR
30CD,/40CD'
Conven\1onal
Bosch
Group
6 720 614 556a (2007/07)
FILLING
THE
SYSTEM
Ensure all system and boiler drain points are
closed.
2 For sealed systems fill the system using a
WRAS
approved filling loop
to
a pressure
of
1 bar.
3 Vent all radiators and primary side
of
the
hot
water cylinder.
4 Refill the system
up
to
1 bar.
GAS
SUPPLY
~
Open
gas
cock
on the boiler and purge the
gas
supply to the boiler ensuring that the
room is
well ventilated.
~
Test gas supply for soundness as described
in
BS
6891.
FILLING
THE
SYSTEM
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