5
Boiler installation
Logano GB125 BE US/CA - Technical specifications are subject to change without prior notice.
27
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 (
Æ
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.
Fig. 20 Bleeding the heat exchanger
1
Bleed valve on heat exchanger (secondary heat
exchanger)
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.
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
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).
7
1
3
2
4
6
5
