Installing The Oil Supply As A Single Line System - Viessmann Vitoladens 300-C Installation And Service Instructions Manual

Installing the oil supply as a single line system

A
Fig. 15
Fuel oil filter with automatic air vent valve
A
B Foot valve
Important: Install a single line fuel oil filter R
grade max. 40 m) and a fuel oil air vent valve in the
µ
oil supply.
We recommend:
■ Automatic fuel oil air vent valve with filter: FloCo-
Optimum-K (filter grade 5
Vitoset pricelist.
For replacement during maintenance work:
■
Microtec MC-18 oil filter element (filter grade 5
For part no., see Vitoset pricelist.
For low tanks:
If the suction head or the max. pipe length is greater
than specified in the following table, install an oil feed
pump with intermediate tank in the immediate proxim-
ity of the boiler.
B
(filter
⅜
m); for part no. see
µ
m).
µ
Max. pipe length for suction line with
(internal)
Suction head H in m
+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
Installation sequence
4 mm
7
Max. line run in m
100
95
89
83
77
71
64
58
52
46
40
33
27
21
15
9
—
21