Table of Contents
Advertisement
6.11.2 Gravity supply line
Make sure that the hoses to the pump supply
and return line are installed correctly.
CAUTION
Install the hoses where they cannot be stepped on or come into
contact with hot surfaces of the boiler.
During the installation, hoses must not be
stressed with twisting.
Periodically clean the tank filter.
ATTENTION
Make sure that the nozzle has no filter.
Only for oil with max. viscosity up to 7°E/50°C.
Pump priming:
loose the tap of the vacuometer plug and wait for the oil flow.
H: Difference in the pipes height
L: Total length of the suction tube
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.
6.12
Pump pressure
The pump pressure is referred to all three nozzles operating. The
pump pressure increases automatically when two nozzles are
operating and becomes higher with only one nozzle.
Suggested pressure:
–
Light oil: 25 bar
–
Heavy oil: 28 bar (transformation kit)
Rated nozzles deliveries are listed on the table.
A tolerance of ±5% concerns the real delivery against the rated
one.
The pump leaves the factory set at 25 bar.
Installation
H
meters
0
0,5
1
1,5
2
19
GB
L meters
1
ø 1
/
"
ø 1
4
5
10
8
15
11
20
14
25
17
30
1
/
"
2
Tab. I
D2735
Fig. 14
20184179
Advertisement
Table of Contents
