Webasto Air Top Evo 40 Einbauanweisung Seite 72

Air Top Evo 40 / Air Top Evo 55
Intake side:
D : Inner diameter of the fuel line = 2 mm.
1
H : Fill level (tank above fuel pump) [m]
1
S : Fill level (tank under fuel pump) [m]
1
l : Length of fuel line [m]
1
Pressure side:
D : Inner diameter of the fuel line = 2 mm.
2
H : Height difference heater - fuel pump
2
(Heater above fuel pump) [m]
S : Height difference heater - fuel pump
2
(Heater below fuel pump) [m]
l : Length of fuel line [m]
2
Fill level (tank above fuel maximum permissible fuel pressure at
pump) H [m] extraction point , p
1
H = 0
1
<1
0 < H
1
<2
1 < H
1
Fill level (tank below fuel maximum permissible fuel pressure at
pump) H [m] extraction point , p
2
0 <H <1,3
2
[bar]
1
<+0,5
-0,1 < p
1
<+0,4
-0,1 < p
1
<+0,3
-0,1 < p
1
[bar]
1
<+0,5
-0,1 < p
1
Parameter
Length of intake line l [m]
1
Length of delivery line l [m]
2
Length of intake line l + Length of delivery line l
1
Height difference heater - fuel pump
(Heater above fuel pump) H [m]
2
Height difference heater - fuel pump
(Heater below fuel pump) S [m]
2
6.5.2. Line design
Only steel and plastic lines made of light and temperature-resistant PA11 or
PA12 (e.g. Mecanyl RWTL) and in accordance with EN 73378 may be used
as fuel lines.
6.5.3. Connecting 2 fuel lines with a hose
The correct connection of fuel lines with a hose is shown in Fig. 12.
Ensure there are no leaks!
Fig. 12 Pipe / hose connection
1)
Hose clamp
Fuel
Value
max. 5
max. 10
[m] max. 12
2
max. 3
max. 1
67