Boiler Assembly
6
23
We reserve the right to make any changes due to technical modifications!
Boiler Installation and Maintenance Manual SB735 • Issue 10/2003
Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de
6.10
Neutralization Equipment and Water
Controls Installation
D
NOTICE
Observe the separate installation instructions
for the installation and maintenance of the
neutralization system (part of the standard
delivery of the neutralisation system).
z
Push the siphon delivered onto the pipe connector on
the flue gas collector and tighten the union nut on the
siphon.
z
Connect the drain hose to the connector (Fig. 27,
Item.
1) of the condensate drain (Siphon) (Fig. 27,
Item.
2) using a hose clip. When using Ø 1
½
“
pipe
remove the tee piece on the siphon with a saw.
J
NOTICE!
Generally, the condensate should be routed to
the boiler via the flue pipe. Where this is
impracticable, use only stainless steel or plastic
tee pieces in the separate feed hose pipe.
z
Secure furnished supply manifold and gasket to
upper water connection (VK connection in (Fig. 1,
page 6)).
z
Install furnished relief valve in supply manifold and
pipe discharge full port to nearby floor drain.
z
Install low water cut-off and aquastat (s) in available
¾“ manifold tappings.
z
Install pressure and temperature gauge in
½
“
tapping.
z
Plug any unused tappings.
z
Refer to section 6.4 when installing Logamatic
control. Plug sensor port M (Fig. 1, page 6) with
¾“
plug when
not
using a Logamatic control.
J
NOTICE!
Lower return connection RK1 (Fig. 1, page 6)
must
always
be used for connecting heating
systems return. Connect coldest return zone(s)
to RK1 for maximum efficiency. Connect higher
temperature return zone(s) to RK2 (Fig. 1,
page 6) if called for by engineering firm / design.
If the RK2 connection is
not
used, close it off
with a blanking flange.
Fig. 27
Condensate
Item. 1:
Connection for a drain hose
Item. 2:
Siphon
Item. 3:
Clean-out cover
3
1
2
