Installation
1
Installation and maintenance instructions for Buderus 500 - 24/S • 08/2006
11
Subject to modifications resulting from technical improvements!
Buderus • http://www.buderus-domestic.co.uk
z
Attach the manifold assembly to the wall (fig. 2, item 1).
z
Make the pipework connections to the manifold.
z
Attach the wall bracket (fig. 2, item 2).
z
Open the locking mechanism using a radiator key (fig. 3,
item 1). The radiator key is included in the delivery of the
boiler in the accessories bag.
z
Detach the casing of the condensing gas boiler (fig. 3).
z
Remove the polystyrene foam piece from the top of the
boiler.
z
Hang the condensing gas boiler onto the wall bracket
(fig. 2).
z
Connect manifold unions to the boiler.
1.5
Water circulation system
The central heating system should be installed in accordance
with
BS.6798
and, in addition, for smallbore and microbore
systems,
BS.5449
or EN 12823.
1.6
Pipe connections
Pipework from the boiler is routed downwards as standard, but
may be routed upwards behind the boiler using the wall
spacing frame (supplied with the boiler).
z
Connect pipes as shown in fig. 4. Ensure that all pipework
is routed so as to minimise any strain on the boiler fittings.
Buderus advises to use copper piping for the first 600 mm,
then it is allowed to switch to another approved pipe material.
1.6.1
Gas Supply
The gas installation must be installed in accordance with
BS.6891
.
The complete installation MUST be tested for gas tightness
and purged as described in
IGE/UP/1b
.
fig. 3
Remove casing
NOTE
If the boiler isn't connected to the pipework
immediately, place caps on the pipe connec-
tions.
fig. 4
Pipe connections
Key to fig. 7:
1:
CH flow
2:
Gas
3:
CH return
1
2
3
CAUTION!
Do not use galvanised radiators or pipes.
CAUTION!
Pipework from the meter to the boiler MUST be
of adequate size, generally at least Ø22 mm.