Viessmann VITOLADENS 300-W Technical Manual page 50

Design information
Sizing the oil line
Suction head H in m max. cable length in m when the suction
line has the following diameter:
+4.0
+3.5
+3.0
+2.5
+2.0
+1.5
+1.0
+0.5
0.0
-0.5
-1.0
-1.5
-2.0
-2.5
-3.0
-3.5
-4.0
5
VIESMANN
50
(cont.)
6x1 mm 8x1 mm
100 100
95 100
89 100
83 100
77 100
71 100
64 100
58 100
52 100
46 100
40 100
33 100
27 100
21 100
15 75
9 44
— 12
A total pressure drop of 0.35 bar is assumed, based on fuel oil EL with
6.0 cSt (DIN 51603-1) including 1 shut-off valve, 1 foot valve and 1 fuel
oil filter.
VITOLADENS 300-W/VITOLADENS 333-F