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~ORCESTER
INSTALLATION
&
SERVICING
INSTRUCTIONS
FOR
WORCESTER
BOSCH
GREENSTAR
30COi/40CDI
Conven\1onal
6
720
614 556a (2007/07)
Bosch
Group
CONDENSATE PIPEWORK
CONDENSATE PIPEWORK:
The
condensate pipe must be a minimum of
22mm0
plastic pipe.
The condensate
pipework
must
fall
at
least
50
mm
per
metre
towards
the
outlet
and
should
take
the
shortest
practicable route.
The
pipework must follow one of the options
shown opposite into
an
internal serviceable-
trap
(min.
75
mm)
such
as
a sink/washing
machine) and discharge direct into a vent
stack
(E)
min.
450
mm
above pipe invert or
into a
gulley (D) below ground but above
the water
level.
Wherever possible the condensate dis-
charge pipe work should
be
routed and ter-
minated internally. Should this not be possi-
ble,
and the only available route is external,
the following conditions should be
observed:
Pipe work length should be kept to a
minimum and the route as
vertical
as
possible.
Where pipe work could be subjected to
extreme
cold or wind chill, a weather
proof
insulation should be used.
Alternatively the condensate pipework
could
be
increased to a minimum
32
mm
without the requirement to insulate.
IMPORTANT:
Ensure
there
are
no
block-
ages
in
the
pipe
run.
Internal
sink/washing
machine
drain
2 Internal
waste
drainage
system
3
Soil/vent
stack
4 External
drainage
system
5 External
condensate
absorption
point
A - Condensate from boiler
B-
Sink
C-
22
mm
0 plastic condensate pipe
D-
Gulley
E - Internal soil and vent stack
F
- Serviceable waste trap (75
mm
min)
G-
300
mm
x 100
mm
0 sealed plastic tube
H
- Ground level
J - Drainage holes
50
mm
from base of tube
(12
mm
0 at 25
mm
centres) facing away
from
building
K - Limestone chippings
CONDENSATE PIPEWORK
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