Eberspächer HYDRONIC B 4 W SC Instruction Manual - page 21
21
a
8
b
Installation
3
Fuel feed point with T-piece from the fuel supply line
from the tank fitting to the vehicle engine
Fuel feed pipe from tank connection – insert
T-piece before the fuel pump in the fuel feed pipe.
Fuel return pipe to the tank connection.
Dosing pump
T-piece, 8-6-8
Fuel filter – only necessary for contaminated fuel.
Fuel hose, 5 x 3 (di = Ø 5 mm)
Fuel pipe, 6 x 2 (di = Ø 2 mm)
Fuel pipe, 4 x 1.25 (di = Ø 1.5 mm)
Fuel hose, 5 x 3 (di = Ø 5 mm),
approx. 50 mm long
Fuel hose, 3.5 x 3 (di = Ø 3.5 mm),
approx. 50 mm long
To the engine, mechanical fuel or injection pump.
Possible pipe lengths
Intake side
Pressure side
a = max. 2 m
b = max. 4 m for petrol
b = max. 6 m for diesel
Fuel supply for petrol heaters
Installation position of the T-piece
Use the installation positions shown in the diagram
when inserting a T-piece.
Direction of flow from the fuel tank
Direction of flow to the vehicle engine