Plumbing Manifold - Worcester GREENSTAR 35 CDi Installation, Commissioning And Servicing Instructions

3.8

PLUMBING MANIFOLD

NOTICE:
▶ IF FITTING OPTIONAL INTEGRAL DIVERTER VALVE
install the pipe work as shown in figure 17 (also
see additional information in the document
supplied with the diverter valve kit).
▶ If no diverter valve is fitted install the pipe work as
shown in figure 18.
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Fig. 17 With optional integral diverter valve
[1] Central heating flow 22mm
[2] Cylinder flow 15mm
[3] Mains gas supply 22mm
[4] Cylinder return 15mm
[5] Central heating return 22mm
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CONNECTIONS:
Heating system: 22 mm compression fittings
DHW: 15 mm compression fittings
Gas: 22 mm compression fittings
Use the fittings supplied in the Hardware pack.
PREPLUMBING
With the plumbing manifold installed, pipe work can be installed to the
valves on the manifold.
The valves can be closed enabling CH system to be tested. The boiler can
be installed at later date.
RUNNING PIPES BEHIND THE BOILER
If the boiler pipes are to be run behind the appliance ensure that the
pipes pass close to the wall as shown in the diagram opposite, and within
the pipe guide.
Alternatively an optional pre-bent pipe kit can be purchased, part
number 7 716 192 651.
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Fig. 18 Without optional diverter valve
PRE-INSTALLATION
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