Connection To The Flue - Ferroli Pegasus LN 2S Serie Mode D'emploi, Installation Et Entretien

Any additional sensitive elements of the system's control and safety
devices, temperature sensor, pressure switch, thermostat bulb, etc.,
must be located on the delivery pipe within 40 cm. of the rear wall of
the boiler casing (see Fig. 7).
Key
A System delivery
B System return
C 40 cm max.

2.6 Connection to the flue

The diameter of the flue connection pipe must not be less than that of the connection on the anti-backflow device.
Starting from the anti-backflow device it must have a vertical section at least 50 cm long. Current standards must
be complied with regarding the dimensioning and installation of the flues and connection pipe.
The diameters of the anti-backflow device collars are given in the table of fig. 2.
32
Cod. 3540G310 - 03/2007 (Rev. 02)
Pegasus LN 2S
A
C
B
fig. 7
EN