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UPSTREAM DYNAMIC
PRESSURE CONTROL / See gas
inlet pressure detection.
INJECTOR PRESSURE
CONTROL
If the measured pressure is
lower than the 20% compared
to the entry pressure, suspend the
installation and contact the authori-
zed customer care service
If the measured pressure is hi-
gher than the entry pressure, su-
spend the installation and contact the
authorized customer care service
REPLACEMENT
BURNER INJECTOR - see SECT.
IMAGES - REF. l)
Close the shut-off valve upstream of
the equipment.
MODEL 700
1. Remove the lower panel
2. Disassemble the burner body
3. Disassemble the plug to avoid da-
maging it while replacing the injector
(Fig. 1/B).
4. Unscrew the nut and remove the
pilot injector (the injector is attached
to the double cone).
5. Replace the pilot injector (Fig.1/A)
with that which corresponds to the se-
lected gas as indicated in the Refe-
rence table.
6. Tighten the nut with the new injector.
7.Reassemble the plug.
8. Ignite the pilot burner to make sure
there are no gas leaks.
THE PRESENT MANUAL IS PROPERTY OF THE MANUFACTURER. ANY REPRODUCTION, EVEN PARTIAL, IS PROHIBITED.
GAS TYPE CHANGEOVER
MODEL 900 /
• Remove the insulation protection panel.
• Unscrew the nut and the pilot injector.
• Replace the pilot injector (Fig.1/A)
with that which corresponds to the se-
lected gas as indicated in the Referen-
ce table.
• Tighten the nut with the new injector.
• Ignite the pilot burner to make sure
there are no gas leaks.
REPLACEMENT
INJECTOR - see SECT. IMAGES
- REF. m) / 1. Close the cut-off cock
upstream the machine.
2. Unscrew the injector (Fig. 3)
3. Replace the injector with the one
OF
PILOT
corresponding to the selected gas
according to what reported in the re-
ference Table.
4. Screw the new injector.
ADJUSTMENT
THERMAL RANGE - see SECT.
IMAGES - REF. n)
In the provided models, the reduced
thermal range is obtained with the "si-
zed" by-pass minimum screw (Fig. 2),
screwed hard (see Gas Table).
Open the cut-off cock upstream the
machine
- 15 -
OF
Make sure there are no gas le-
aks
OF
In case of screw replacement
put a tampering detecting seal
on it at the end of the detection
process
6.
EN
BURNER
MINIMUM
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