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Appendix - Accessories (optional)
OUTPUT POWER REGULATOR KIT RWF 40
With the modulating operation, the burner continually adapts the
power to the request for heat, ensuring great stability for the pa-
rameter controlled: temperature or pressure.
Parameter to control
Temperature
Pressure
POTENTIOMETER KIT
Depending on the servomotor fi tted to the burner, a three-pole
potentiometer (1000 ) can be installed to check the position of
the servomotor.
Burner
RL 28-38-50/M
EXTENDED HEAD KIT
"Standard head" burners can be transformed into "extended
head" versions, by using the special kit. The kits available for the
various burners, giving the original and the extended lengths, are
listed below.
Burner
RL 28/M
RL 38/M
RL 50/M
DEGASSING UNIT
It may occur that a certain amount of air is contained in the fuel
sucked up by the pump.
This air may originate from the fuel itself as a consequence of de-
pressurisation or air leaking past imperfect seals.
In double-pipe systems, the air returns to the tank from the return
pipe; in single-pipe systems, the air remains in circulation causing
pressure variations in the pump and burner malfunctions.
For this reason, we advise installing a degassing unit near the
burner in single-pipe installations.
Degassing units are provided in two versions:
Degassing unit characteristics
Burner output
Fuel pressure
Ambient temperature
Fuel temperature
Attachment connectors
(without filter)
Attachment connectors
(with filter)
Appendix - Accessories (optional)
Range
- 100...+ 500°C
0...2.5 bar
Probe with output
4...20 A
0...16 bar
Code
3010109
Code
3010120
3010121
3010122
80 kg/h max
0.7 bar max
40 °C max
40 °C max
FF G 1/4 tank side
FM G 3/8 conic burner side
FF G 3/8 tank side
FM G3/8 conic burner side
Two components should be ordered:
•
the output regulator to install on the burner
•
the probe to install on the heat generator
Probe
Type
Code
PT 100
3010110
3010213
3010214
SPACER KIT
If burner head penetration into the combustion chamber needs
reducing, varying thickness spacers are available, as given in the
following table.
Burner
RL 28-38-50/M
HEAD KIT FOR REVERSE FLAME CHAMBER
In certain cases, the use of the burner on reverse flame boilers
can be improved by using an additional cylinder.
Standard
Burner
head (mm)
RL 28-38/M
RL 50/M
CONNECTION FLANGE KIT
A kit is available for use where the burner opening on the boiler
is of excessive diameter.
Burner
RL 28-38-50/M
SOUND PROOFING BOX
If noise emission needs reducing even further, sound-proofing
boxes is available.
Burner
RL 28-38-50/M
31
GB
Output power regulator
Type
RWF40
Code
3010095
Extended
head (mm)
319
429
319
429
Code
3010138
Average
noise
Box type
reduction
[dB(A)]
C1/3
10
Code
3010212
Code
3010178
3010179
Code
3010403
20033316
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