Plumbing Manifold; Connections - Worcester GREENSTAR 24i Junior Installation Instructions Manual

PRE-INSTALLATION
3.7

PLUMBING MANIFOLD

3.7.1

CONNECTIONS

Heating System 22mm compression fittings
DHW 15mm compression fittings
Gas 22mm compression fitting
Tab. 16
Use the fittings supplied in the Hardware literature pack.
• If the boiler pipes are to be run behind the appliance
ensure that the pipes pass through the slot in the
white cardboard guide (A). This is fitted to the boiler
frame.
Further guidance on pipe routing can be
found printed on the boiler template
(supplied with the boiler).
• For further ease of fitting, an optional Vertical Pre-
piping Assembly kit is available, comprising five
pre-formed copper pipes and an earth bonding strip.
Part number: 7 716 192 570.
• To cover the pipe work under the boiler, down to the
counter top, an optional "Below boiler pipe cover"
can be used.
Part number: 7 716 192 608
6 1 2
Fig. 16 Pipe dimensions
20
3 4 5 7
1 2 3
6
1
2
Fig. 17 Plumbing manifold
# Function
1 CH Flow
2 DHW Outlet
3 Gas
4 Domestic Cold Mains In
5 CH Return
6 Condensate
7 Pressure Relief Valve
Tab. 17 Key to figures 16 & 17
6 720 644 741a (2010/10)
4 5
7
6720643895-11.1W
3
4
5
From left Diameter
case edge of pipe
70 mm 22 mm
135 mm 15 mm
200 mm 22 mm
267 mm 15 mm
330 mm 22 mm
35 mm 22 mm
367 mm 15 mm