Assembly | 5
M2320121_en | Installation instructions Pellet boiler PECO 39
5.8.3 Assembly information for hose lines
R
R
R
R
R
< 0,5m
R > 30cm
< 0,5m< 0,5m
Please note the following with regard to the hose lines used in Froling vacuum discharge
systems:
▪ Do not kink the hose lines! Minimum bending radius = 30cm
▪ Lay the hose lines as straight as possible! Sagging lines can lead to so-called
“pockets”, which may cause problems with the pellet feed.
▪ Lay the hose lines in short sections away from walking areas.
▪ Hose lines are not UV-proof. Therefore: Do not lay the hose lines outdoors.
▪ Hose lines are suitable for temperatures up to 60°C. Therefore: Hose lines must not
come into contact with flue gas pipes or uninsulated heating pipes.
▪ Hose lines must be earthed on both sides to ensure that no static charge builds up as
a result of transporting the pellets.
▪ The suction hose to the boiler must be in a single section.
▪ The return-air line can be made up of several sections, but consistent potential
equalisation must be established throughout the line.
▪ For systems starting at 48 kW, only suction hoses with PU inlets are recommended
due to the increased load.
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