Bosch Greenstar 12i Service Manual download pdf (Page 20)

PRE-INSTALLATION

6 720 644 743b (2011/08)

3.7 PLUMBING MANIFOLD

3.7.1 CONNECTIONS

Use the fittings supplied in the Hardware literature pack.

• If the boiler pipes are to be run behind the appliance

ensure that the pipes pass through the slot in the

white cardboard guide. This is fitted to the frame.

• For further ease of fitting, an optional Vertical Pre-

piping Assembly kit is available, comprising five

pre-formed copper pipes and an earth bonding strip.

Part number: 7 716 192 570.

• To cover the pipe work under the boiler, down to the

counter top, an optional “Below boiler pipe cover”

can be used.

Part number: 7 716 192 608

Fig. 20 Pipe dimensions

Fig. 21 Plumbing manifold

WARNING: IF FITTING AN OPTIONAL

INTERNAL DIVERTER VALVE

B Refer to the “Greenstar Optional Integral

Diverter Valve” installation instructions.

Heating System 22mm compression fittings

Gas 22mm

Tab. 19

Further guidance on pipe routing can be

found printed on the boiler template

(supplied with the boiler).

12345

6720644743-25.1Wo

# Function

From left

case edge

Diameter

of pipe

1CH Flow 70 mm 22 mm

2Gas 200 mm 22 mm

3CH Return 330 mm 22 mm

4Condensate 35 mm 22 mm

5 Pressure Relief Valve 367 mm 15 mm

Tab. 20 Key to figures 20 & 21

6720644743-10.2Wo

1 2 ... 15 16 17 18 19 20 21 22 23 24 25 ... 71 72

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Bosch Greenstar 12i Service Manual Page 20