Bosch Worcester Greenstar 8000 Series Installation And Maintenance Instructions Manual page 34

Installation
Hanging the appliance
▶ Ensure that top and side panels are removed.
▶ Fit the sealing washers to service valves.
▶ Hang the appliance on to the wall mounting frame by the centre hook.
▶ Unlock the condensate trap and pull it forwards ( Fig. 90).
▶ Check the positioning of the sealing washers on the pipe
connections.
▶ Tighten the union nuts on the pipe connections starting with the CH
return on the right.
It is recommended the lifting operation is carried out by 2 people,
observing all precautions for safe lifting of heavy objects
Do not lift by the top case panel. There are two handling holes
incorporated into the inner casing left and right in the lower section of
the appliance.
2.
Fig. 47 Hanging the boiler
5. Make connections between the boiler and the pre-plumbing manifold
and the pre-plumbing manifold and the system pipes.
▶ Connect the gas supply to the boiler gas cock 22mm compression.
▶ Connect cold water in and DHW out to the boiler's 15mm
compression connectors.
▶ Connect the CH flow and CH return pipes to the boiler's 22mm
compression connections.
▶ Connect the condensate discharge pipe work to the boiler's
condensate outlet connections.
Fitting the drain pipe on the heating pressure relief valve
1.
Fig. 48 Fitting the pipe on the (heating) pressure relief valve
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1.
0010023675-001
2.
3.
0010023577-001
Fitting the condensate pipework
▶ Secure the pipe to the wall at the last joint.
▶ Ensure the pipe protrudes through the wall frame by 25mm.
▶ If exiting through the wall, to run externally, the pipe must have a 3°
fall and be increased to a 32mm insulated pipe.
25mm
Fig. 49 Fitting the condensate pipes to the mounting plate
Condensate connection
Never terminate or discharge into any open source, including; sink,
bath, shower, bidet, toilet etc.
Any external condensate pipe work of an excessive run should be
protected with weather resistant insulation to help prevent freezing.
▶ Ensure that the condensate drain is 22mm diameter plastic pipe. It
must fall at least 52mm per metre towards the outlet.
▶ Refer to Fig. 50, condensate connection:
▶ Align the installation side plastic pipe work through the pre-plumbing
manifold.
▶ Connect the installation side plastic pipe work to the end of the
condensate hose.
▶ Push the plastic pipe work inside the condensate hose at least
25mm.
Fig. 50 Condensate connection
Greenstar 8000 Style – 6720883855 (2019/01)
0010023670-001