Bathrooms; Plumbing Manifold; Connections - Worcester Greenstar 25Si Compact Installation, Commissioning And Servicing Instructions

PRE-INSTALLATION

4.6.4 Bathrooms

Please check the IP rating of any control to be used on this appliance.
Only certain controls can be fitted when the appliance is inside of the
shaded area.
An appliance with blanking panel or controls that do not change the IP
rating can be installed in zone 2.
Additional RCD (Residual Current Device) protection may be required.
Consult the latest version of BS7671 (IET wiring regulations).
Radius 600mm
Fig. 14 Bathroom installations
[2*] Without the end wall, zone 2 must extend 600mm from the bath
4.7

PLUMBING MANIFOLD

4.7.1 CONNECTIONS

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 four pre-formed copper water pipes.
Part number: 7 716 192 713.
1 2 3
Fig. 15 Pipe dimensions
18
6720646608-124.3Wo
4 5 6 7
2 3
1
2 3
Fig. 16 Plumbing manifold
No. Function
1 Condensate drain
2 CH Flow
3 DHW Outlet
4 Gas
5 DCW Mains In
6 PRV drain
7 CH Return
Table 8 Key to figures 15 & 16
Heating System 22mm compression fittings
DHW 15mm 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 Si Compact
5 7
4 5 6 7
From left Diameter of
case edge pipe
33mm 22mm
65mm 22mm
130mm 15mm
195mm 22mm
260mm 15mm
291mm 15mm
325mm 22mm
ErP - 6 720 813 278 (2015/07)