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5.14
Pump
5.14.1 Technical data
Pump
Burner
Min. delivery rate at 30 bar pressure (1400)
Min. delivery rate at 40 bar pressure (2000-
3000-4500)
Delivery pressure range
Max. suction depression
Viscosity range
Maximum heavy oil temperature
Max. suction and return pressure
Pressure calibration in the factory
5.14.2 Priming pump
Before starting the burner, make sure that the tank
return line is not clogged.
Obstructions in the line could cause the sealing
ATTENTION
organ located on the pump shaft to break.
In order for self-priming to take place, the cap 4) on the
pump (Fig. 20) must be loosened to bleed off the air
contained in the suction line.
Start the burner by closing the remote controls. As soon as
the burner starts, check the direction of rotation of the fan
blade.
The pump can be considered to be primed when the heavy
oil starts coming out of the cap 4).
Close the burner and tighten the cap 4).
The time required for this operation depends upon the diameter
and length of the suction tubing.
If the pump fails to prime at first start-up and the burner locks out,
wait approx. 15 seconds, reset the burner, and then repeat the
start-up operation. And so on.
After 5 or 6 starting operations allow 2 or 3 minutes for the
transformer to cool.
Do not light the flame sensor in order to prevent the burner
lockout; the burner locks out in any case about ten seconds after
its start.
The above-mentioned operation is possible
because the pump is already full of fuel when it
leaves the factory.
ATTENTION
If the pump has been drained, fill it with fuel
through
the
3)(Fig. 20) prior to starting; otherwise, the pump
will seize.
Whenever the length of the suction piping
exceeds 20-30 meters, the supply line must be
filled using a separate pump.
ENNE/EMME
kg/h
bar
cm Hg
cSt
°C
bar
bar
opening
on
the
vacuometer
Installation
TA3C4010-5
TA4C4010-7
ENNE/EMME
1400
2000
540
730
7 - 40
7 - 40
30
30
4 - 800
4 - 75
140
140
5
5
25
25
3
1
5
Key (Fig. 20)
1
Suction line
2
Return line
3
Vacuometer connection
4
Pressure gauge connection
5
Pressure adjustment
23
GB
NVBHRPDC
ENNE/EMME
3000
1000
15 - 40
-
4 - 500
140
9
25
5
4
3
1
2
NVBHRMDC
ENNE/EMME
4500
1500
15 - 40
-
4 - 500
140
9
25
Tab. I
20177687
2
4
Fig. 20
20176605
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