Bosch Worcester GREENSTAR 12i System Instruction Manual page 60

Flow 22mm
B
Flow 22mm
15
PLUMBING MANIFOLD
Gas Supply (alternative from above appliance) 22mm
Cylinder Return
15mm
Mains Gas
Supply 22mm
Cylinder
Return 15mm
INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER BOSCH GREENSTAR 12i System/24i System
CH Return 22mm
A
CH Return 22mm
PLUMBING MANIFOLD
CONNECTIONS:
Heating System: 22mm compression fittings
Gas:
Cylinder Return
Use the fittings supplied in the Lit/Hardware
pack and the Optional Diverter Valve Kit.
• Before the wall mounting frame is fitted to the
wall you must first assemble the service valve
(A) included in the Optional Diverter Valve Kit
and secure to the wall mounting frame as
shown with the two screws (B) supplied.
• If the boiler pipes are to be run behind the
appliance ensure that the pipes pass through
the slot in the yellow plastic guide (C). This is
fitted to the boiler frame.
Further guidance on pipe routing can be
found printed on the boiler template
(supplied with the boiler).
NOW R ETU R N TO TH E MAIN
IN STR UCTION S PAG E 16 TO
CONTINUE INSTALLATION.
C
8 716 107 375a (02/05)
22mm compression fittings
15mm compression fittings