Worcester Greenstar 25Si Compact - Pre-Installation (Continued); 4.7 Plumbing Manifold

PRE-INSTALLATION
Greenstar Si Compact
ErP
- 6 720 813 278 (2015/07)18
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).
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
• 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.
Fig. 15 Pipe dimensions
Fig. 16 Plumbing manifold
Use the fittings supplied in the Hardware literature pack.
Further guidance on pipe routing can be found printed
on the boiler template (supplied with the boiler).
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2*
Radius 600mm
1
2
1
2
2
1
600mm
600mm
600mm
2250mm
2250mm
2*
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No. Function
From left
case edge
Diameter of
pipe
1 Condensate drain 33mm 22mm
2CH Flow 65mm 22mm
3 DHW Outlet 130mm 15mm
4Gas 195mm 22mm
5 DCW Mains In 260mm 15mm
6PRV drain 291mm 15mm
7CH Return 325mm 22mm
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)
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1
2
3
4
5 6
7
2
3
5
7