Trianco EuroTrader 50/90 User, Installation, Commissioning & Servicing Instructions page 21

FIG 10
50/90 &
100/125
Oil Pipe Connections
The burner is supplied for use with a one pipe oil sup-
ply system. If used on a two pipe system, it is necessary
to fit the by-pass plug in the oil pump.
50/90
50/90
It is essential that for reliable operation and a condition
of the guarantee that an oil filter with a maximum mesh
of 70ppm is fitted in the oil pipe from the tank to the
burner, as close to the boiler as possible but NOT inside
the boiler casing. A fire valve MUST also be fitted in the
oil supply line, preferably where it enters the building.
18