Connecting The Fuel Supply; Bleed Off Condensate - Buderus Logano GB125 BE Installation And Maintenance Instructions Manual

WARNING: Health risk from contaminated
domestic water!
B Always observe the regulations and
standards applicable in your jurisdiction
for the prevention of contamination of
drinking water (e.g. by water from heating
systems).
B Bleed heat exchanger using the purge valve [1].
B Slowly fill the heating system. Observe the pressure
gauge while filling.
B Check the connections and piping to make sure they
are watertight.
B Bleed the system via the radiator purge valves (if
applicable).
B Top up with water if the pressure drops as a result of
bleeding the system.
B Installing the safety valve (
B When no leaks are found, remove pressure and
uninstall the plugs. Install safety valve and open valve to
expansion vessel.
5.6

Connecting the fuel supply

B Install the oil line per local code.
The furnished Tigerloop oil filter must be installed on the
outside of the boiler using the supplied mounting bracket.
B Inspect the existing oil line and replace if necessary.
Check swing direction on burner door and reverse
door swing if desired.
B Use the mounting bracket [7] as a drill template and
drill 4 holes in the jacket panel.
B Secure the mounting bracket [7] to boiler side panel.
B For a 3/8" oil line, install a 3/8" flare x 3/8" NPT adapter
[1] in the inlet and a 1/4" x 3/8" NPT adapter [2]
between the oil filter [4] (Tigerloop) and the Firomatic
valve [3].
B Install and seal the FiroMatic valve on the oil filter
(Tigerloop) [4].
B Install the vacuum gauge in its adapter [6] and screw
into the oil line feeding the burner.
B Connect the return oil line from the burner using the
G 3/8" x 1/4" NPT adapter [5] back to the oil filter.
B Secure oil filter assembly to the mounting bracket.
B Attach oil lines.
B Check entire oil line assembly for leaks.
5.7

Bleed off condensate

Logano GB125 BE US/CA - Subject to technical modifications.
Fig. 16, page 22).
Installing the boiler
Fig. 20 Bleeding the heat exchanger system
1 Purge valve on the heat exchanger system
Fig. 21 Oil filter (Tigerloop)
1 Flare-NPT adapter (3/8" NPT)
2 1/4" x 3/8" NPT adapter
3 FiroMatic valve
4 Oil filter (Tigerloop)
5 NPT adapter (G 3/8" (60) x 1/4" NPT)
6 Vacuum gauge
7 Mounting bracket
Ensure that the siphon and piping are
installed that fluids drain away freely, and
backup into the boiler is prevented.
5
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