Oil Supply - Navien LCB700-21RS Installation & Operation Manual

5.3 Oil Supply

Single Pipe Gravity Feed System
The oil storage tank must be positioned so that the oil level does not exceed 4 metres above the level of the boiler oil pump and, in
addition, the oil level must be at least 300 mm above the oil pump. Where the maximum oil level in the oil storage tank exceeds 4 metres,
a head breaking device must be installed between the tank and the boiler oil pump.
Oil
Pump
Boiler
Head
0.5 m
1.0 m
1.5 m
2.0 m
2.5 m
3.0 m
3.5 m
4.0 m
30 Connecting the Oil Supply
Min. 1 m
Fire Valve
(BS 5410)
Oil Filter
Φ10
15 m
25 m
40 m
50 m
60 m
75 m
90 m
100 m
Oil
Storage Tank
Oil Strainer and
Water Separator
Max. Oil Pipe Length
Φ12
30 m
70 m
90 m
100 m
100 m
100 m
100 m
100 m