Connecting The Fuel Supply - Buderus Logano GB125/22 BE Installation And Service Instructions Manual

Warning: Health risk from contaminated do-
mestic water.
V Always observe the regulations and stand-
ards applicable in your jurisdiction for the
prevention of contamination of drinking
water (e.g. by water from heating sys-
tems).
V Bleed secondary heat exchanger using the bleed
valve [1].
V Slowly fill the heating system. Observe the pressure
gauge.
V Check the connections and pipework for leaks.
V Bleed the system via the radiator bleed valves (if appli-
cable).
V Top with water if the pressure drops as a result of
bleeding the system.
V Fit the safety valve (
Fig. 16, page 24).
V When no leaks are found, remove pressure and unin-
stall the plugs. Install relief valve and open valve to
expansion vessel.
5.6

Connecting the fuel supply

V 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.
V Inspect the existing oil line and replace if necessary.
Check swing direction on burner door and reverse
door swing if desired.
V Drill 4 holes in the jacket panel using the Tigerloop
mounting bracket (Fig. 21, [7]) as a template.
V Secure mounting bracket to boiler side panel.
V 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] in the
outlet of the Firomatic valve [3].
V Install the Firomatic in Tigerloop.
V Install the vacuum gauge in its adapter [6] and screw
into the oil line feeding the burner.
V Connect the return oil line from the burner using the
G3/8" x 1/4" NPT adapter [5] back to the oil filter.
V Secure oil filter assembly to the mounting bracket.
V Attach oil lines.
V Check entire oil line assembly for leaks.
Logano GB125 BE US/CA - Technical specifications are subject to change without prior notice.
Fig. 20 Bleeding the heat exchanger
1 Bleed valve on heat exchanger (secondary heat
exchanger)
5
Fig. 21 Tiger loop oil filter
1 Flare-NPT adapter (3/8" NPT)
2 1/4" x 3/8" NPT adapter
3 FiroMatic valve
4 Oil filter (Tiger loop)
5 NPT adapter (G 3/8" (60) x 1/4" NPT)
6 Vacuum gauge
7 Mounting bracket
5
Boiler installation
7
1
3
2
6
4
27