Filling Loop - Worcester Greenstar Heatslave 12/18kW User Instructions & Customer Care Manual

GREENSTAR HEATSLAVE 12/18 - 18/25 - 25/32
8 716 106 253c (11.07)
OPERATING THE APPLIANCE
FILLING LOOP: Sealed systems only
A filling loop is a set of manually operated valves
and a flexible pipe that allow water to be added
to the system when the valves are opened. This
device must be WRAS approved. To comply with
local water authority by-laws the flexible pipe
should only be connected when topping up the
system and disconnected when not in use.
Should the sealed system pressure within your
system have dropped to below 0.5 bar (shown
on the pressure gauge) you will need to increase
this to ensure your boiler continues to run
without problems.
Your installer should have informed you where
to find the filling system and instructed you in
its use.
Should this have been overlooked you can
increase the pressure by following these
instructions:
1. The boilers integral pressure gauge should be
visible from the filling link.
2. Connect the flexible hose across the two
valves, one leading from the boiler and the other
from the mains supply. The connecting nuts need
only to be hand tight.
3. Slowly open both valves ensuring that water
does not leak from either end of the flexible
hose.
4. You will start to hear water passing across the
hose and valves and the grey needle on the
pressure guage will rise.
5. When the needle rises between 1 and 1.5 bar
close both valves, the needle should now remain
fixed.
6. The hose should then be disconnected from
at least one valve, a small amount of water will
emit from the hose, this is normal. If water
continues to issue from the hose the valve has
not been fully closed or is passing. If it is
passing you will need to contact your installer to
resolve the problem.
OPERATING THE APPLIANCE
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