Nortek Reznor FSE 100, Installation, Commissioning, Servicing

Page: 30 / 53

PAGE 26 Reznor, FSE, Installation Manual, EN 2020-02, D301160 Iss H
Figure 16. Burner oil pump details 40
- 175 gravity feed from the bottom of
the tank
WARNING
Before starting the burner make
sure that the return pipeline is not
clogged. Any obstruction would
cause the pump seals to break
Note: All burners are despatched
suitable for gravity feed installations
H(m) L metres
8mm I.D 10mm I.D
0.5 10.0 20.0
1.0 20.0 40.0
1.5 40.0 80.0
2.0 60.0 100.0
Table 7 – Dimensions burner 40-175
gravity feed
The pump suction should not exceed a
maximum of 4 metres. Beyond this limit gas
is released from the oil. Oil lines must be
completely airtight.
The return line should terminate within the
oil tank at the same level as the suction
line; in this case a non return valve is not
required.
The return line should terminate within the
oil tank at the same level as the suction
line; in this case a non return valve is not
required. Should, however, the return line
terminate over the fuel level, a non return
valve is essential. This solution, however, is
less safe than the previous one, due to the
possibility of leakage in the valve.
Priming the pump: start the burner and
await priming. Should lock-out prior to
arrival of the fuel, wait at least 20 seconds
before repeating the operation
Figure 17. Burner oil pump details 40 -
175 suction feed
H(m) L metres
8mm I.D 10mm I.D
0.0 35.0 100.0
1.0 30.0 100.0
1.0 25.0 100.0
1.5 20.0 90.0
2.0 15.0 70.0
3.0 8.0 30.0
3.5 6.0 20.0
Table 8 – Dimensions burner 40-175
suction feed
Filler
Maximum 4
metres
Burner