Installation Of Boiler Drain (Included In B-Kit); Installation Of System Components - Buderus Logano GB125/22 BE Installation And Service Instructions Manual

5.4.2

Installation of boiler drain (included in B-Kit)

V Seal boiler drain to connection EL.
Install a fill connection in the supply piping to
the boiler.
5.4.3

Installation of system components

See the installation diagram for installation of the heating
system components.
For more installation examples refer to Chapter 10,
page 51.
Caution: Risk of system faults from exces-
sive flue gas temperature.
The boiler drain connection (EL) must never
be used for any other purpose than to drain
the boiler heat exchanger.
For draining of the secondary heat exchanger
system, install a boiler drain at the lowest
point of the piping.
Logano GB125 BE US/CA - Technical specifications are subject to change without prior notice.
EL
RK
Fig. 17 Installation of boiler drain
RK Return
EL Drain
Fig. 18 Installation diagram
1 Pressure relief valve
2 Pressure/temperature gauge
3 Ball valve
4 Air eliminator (in main supply)
5 Heating pump
6 Flow check valve (back flow preventer)
7 Expansion tank
8 Automatic feed valve
9 Flow check valve (back flow preventer)
10 Purge station
11 Water supply
VK Supply
EL Drain
RK Return
5
Boiler installation
7 747 019 141-15.1RS
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