Bosch Appliances 28i junior Boiler User Manual


 
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) 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.
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
IMPORTANT: Ensure there are no
blockages in the pipe run.
CONDENSATE PIPEWORK
INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER GREENSTAR 24 i junior/28 i junior
8 716 107 336b (11/05)
11
PRE -
INSTALLATION