Piping The Boiler - Buderus Logano plus GB312 Applications Manual

2 6 |

6 Piping the boiler

6.1 Connecting central heating supply
• Fit and seal the heating system supply pipe to the
threaded fl ange supplied.
• Insert the seal in the fl ange joint and tighten the bolts
evenly.
• Boiler warranty is null and void unless the check valve is
properly installed and maintained in conjunction with supply
manifold
VK
1
6 3
Fig. 17 Fitting the B-kit and supply pipe
1 Pressure relief valve
2 Supply pipe (external with NPT thread)
3 Pressure/temperature gauge
4 Threaded flange - 2½" NPT female
5 Check valve (observe direction of flow
6 Gasket
VK Boiler supply
B-Kit Parts list
Quantity Description
1 Supply Manifold
4 2½" Pipe Size Gaskets
1 Check Valve
1 Pressure and Temperature Gauge
1 Relief Valve - 50psi
Nuts - ⅝"
12
Bolts - ⅝" x 2½" L
8
Bolts - ⅝" x 5" L
4
Washers - ⅝"
24
12 Lock Washers
Technical specifi cations are subject to change without prior notice
2½"
5 4 NPT
2
Note:
Flow Direction
Arrow
7 747 010 720-04.1RS
)
6.2 Fitting the heating system return
• Fit and seal the heating system return pipe to the
threaded fl ange supplied.
• Insert the seal in the fl ange joint and tighten the bolts
evenly.
RK
1 4
Fig. 18 Fitting the return pipe
1 Boiler return
2 Return pipe (external with NPT male thread)
3 Threaded flange - 2½" NPT female
4 Gasket
RK Boiler return
6.3 Installing the DHW Tank
A DHW Tank shall be piped as a separate zone of heat.
(See piping and wiring schematics).
6.4 Installing the condensate drain
Notes on condensate drainage.
• The condensate that forms in the boiler
and possible in the flue pipe must be prop-
erly drained away from the boiler.
• The condensate which forms in the flue
pipe can be drained via the boiler (install
flue pipe with downward slope towards
the boiler).
• Make sure that drainage of the conden-
sate into the public sewer system con-
forms with the applicable national
regulations.
• Also observe any applicable local regula-
tions.
Logano plus GB312 applications manual | 04.2008
GB312 Applications Manual
2½"
NPT
2
3
7 747 010 720-81.1RS