Bathrooms; Plumbing Manifold; Connections - Worcester 27i System Compact Installation, Commissioning And Servicing Instructions

PRE-INSTALLATION

3.6.4 BATHROOMS

A boiler fitted with an FW100 controller may only be installed outside
the shaded area.
A boiler with any other timer fitted (or blanking panel) can also be
installed in zone 2.
Additional RCD (Residual Current Device) protection may be required.
Consult the latest version of BS7671 (IEE wiring regulations).
2* Without the end wall, zone 2 must extend 600mm from the bath
Radius 600mm
Fig. 13 Bathroom installations
3.7

PLUMBING MANIFOLD

3.7.1 CONNECTIONS

• If the boiler pipes are to be run behind the appliance ensure that the
pipes pass either side of the expansion vessel as shown in figure 15.
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 three pre-formed copper pipes and a cross
bonding strip. Part number: 7 716 192 712.
• To cover the pipework under the boiler, down to the counter top, an
optional Worcester accessory "Below boiler pipe cover" can be used.
Part number: 7 716 192 608
1 2
Fig. 14 Pipe dimensions
14
6720646608-124.2Wo
3 4 5
2
1
2
Fig. 15 Plumbing manifold
# Function
1 Condensate
2 CH Flow
3 Gas
4 Pressure Relief Valve
5 CH Return
Table 5 Key to figures 14 & 15
Heating System 22mm compression fittings
Gas 22mm compression fittings
Condensate 22mm rubber push fit connector
PRV 15mm (fittings not supplied)
Use the fittings supplied in the Hardware literature pack.
Greenstar i System Compact - 6 720 807 726 (2013/05)
5
5
3 4
From left Diameter of
case edge pipe
33mm 22mm
65mm 22mm
195mm 22mm
291mm 15mm
325mm 22mm