11
20094184
GB
Installation
5.6
Burner assembly
BF application
In case of applying
BF
(Fig. 7), the air supply takes place by
means of a flexible hose connected to the air intake
(A)
.
This
component can be supplied separately.
5.7
Hydraulic systems
5.7.1
Pump
The pump is designed to allow working with two pipes.
In order to obtain one pipe working it is necessary to unscrew the
return plug 2)(Fig. 8), remove the by-pass screw (3) and then
screw again the plug (2).
CAUTION
The temperature of the incoming air must not
exceed 70°C.
WARNING
For correct BF application, the burner must be in-
stalled on an appropriate BF boiler.
A
Fig. 7
Explosion danger due to fuel leaks in the pres-
ence of a flammable source.
Precautions: avoid knocking, attrition, sparks and
heat.
Make sure the fuel interception tap is closed be-
fore performing any operation on the burner.
WARNING
The fuel supply line must be installed by qualified
personnel, in compliance with current standards
and laws.
WARNING
Before starting the burner, make sure that the tank
return line is not clogged.
Obstructions in the line could cause the sealing
organ located on the pump shaft to break.
WARNING
The suction plug 1) is made of plastic. Once
removed, it must not be used again.
In single-pipe installations, the plug in the re-
turn line 2) must be totally in steel.
Key (Fig. 8)
1
Gas oil suction line
2
Return line plug
3
By-pass screws
4
Manometer connection
5
Pressure adjuster
6
Vacumeter connection
7
Gas oil solenoid
8
Auxiliary pressure test
points
WARNING
Check periodically the flexible pipes conditions.
If necessary, install a filter on the fuel supply line.
Fig. 8
7
6
5
4
3
2
1
8
D9630
Summary of Contents for RDB 2.2R BG 15 kW
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