Condensate Pipework - Bosch Worcester GREENSTAR 12i System Instruction Manual

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CONDENSATE PIPEWORK

INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER BOSCH GREENSTAR 12i System/24i System
CONDENSATE PIPEWORK
CONDENSATE PIPEWORK:
• The condensate pipe must be a minimum of
22mmØ plastic pipe.
• The condensate pipework must fall at
least 50mm 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. 75mm) such as a sink/washing
machine waste or discharge direct into a vent
stack (E) 450mm min. above pipe invert, or
into a gulley (D) below ground but above the
water level.
• Use waterproof pipe insulation in exposed
positions and for external pipework.
I M P ORTANT: Ensure t here are no
blockages in the pipe run.
1 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 - 22mmØ plastic condensate pipe
D - Gulley
E - Internal soil and vent stack
F - Serviceable waste trap (75mm min)
G - 300mm x 100mmØ sealed plastic tube
H - Ground level
J - Drainage holes 50mm from base of tube
(12mmØ at 25mm centres) facing away from
building
K - Limestone chippings
8 716 107 375a (02/05)