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Bosch Greenstar ZWBR 7-25 A 23 Installation And Servicing Instructions page 11

Wall mounted condensing boiler for central heating and mains fed domestic hot water
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Fig. F4. Flue Components.
Turret
Clamp
Fig. 9. Wall mounting assembly.
Support
Lugs
Manifold
Assembly
The fitting of this flue system is described later in the installation
process.
Instructions for fitting other flue systems are packed with the
relevant flue kit.
NOTE: The 125mm diameter horizontal flue system to be
used for lengths between 2m and 8m requires a
clearance of 365mm above the appliance casing.
Check that the position chosen for the appliance is satisfactory.
Unpack the appliance.
A wall mounting plate and manifold assembly are supplied in a
separate pack to allow the pre-installation connection to the
system and flushing.
(If wall mounting assembly is not assembled).
Fix the wall mounting assembly together using the screws
supplied to secure the top and bottom cross-members. Refer to
Fig.9.
Ensure that the top section has the support lugs facing upwards
and outwards.
Flue
Turret
Terminal Assembly
Wall Mounting
Plate
Extension Air Duct
Extension Flue Duct
Fig. 10. Marking the position of the side flue
opening.
Centre line of
flue/air duct
H
Centre
line of
flue
opening
and
appliance
Appliance
Standard Horizontal Flue
Alternative Horizontal Flue
Fig. 11. Manifold connections.
20
30
65
Central
Domestic
heating
hot
flow
water
Valve
clips
Wall mounting manifold plate
11
Duct Clamp
Wall Sealing Plates
Drilling point for
flue duct opening
115
(44mm/meter)
Top of the
wall
mounting
frame
H mm
88
250
200
10
65
65
65
Cold
water
inlet
Gas
2.5¡
1 in 22
Central
heating
return

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This manual is also suitable for:

Greenstar zwbr 11-25 a31Greenstar zwbr 7-25 a23

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