Gas Type Changeover - MBM BRG78A Manual De Uso E Instalación

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. h)
1. Close the cut-off cock upstream the
machine.
2. Demount if necessary, the plugs in
order to avoid to damage it during the
injector replacement (Fig. 2).
3. Unscrew the nut and demount the
pilot injector (the injector is hooked to
the compression fitting).
Replace the pilot injector (Fig. 1) with
the one corresponding to the selected
gas according to what reported in the
reference Table (see Gas reference
Table).
4. Screw the nut with the new injector.
THE PRESENT MANUAL IS PROPERTY OF THE MANUFACTURER. ANY REPRODUCTION, EVEN PARTIAL, IS PROHIBITED.

GAS TYPE CHANGEOVER

5. Reassemble the plug.
6. Turn on the pilot burner to check
whether there are no gas leakages.
REPLACEMENT
INJECTOR - see SECT. IMAGES
- REF. i) / 1. Close the cut-off cock
upstream the machine.
2. Unscrew the injector (Fig. 3)
3. Replace the injector (Fig. 1) with
the one corresponding to the selected
gas according to what reported in the
reference Table (see Gas reference
Table).
OF PILOT
4. Screw the new injector.
ADJUSTMENT OF MAIN BURNER
- see SECT. IMAGES - REF. i)
For primary air adjustment:
1. Unscrew the locking screw (Fig. 1).
2. Where required set the distance (X)
mm of the bushing corresponding to
the selected gas (see Gas reference
Table).
- 15 -
Make sure there are no gas le-
aks
OF
Make sure there are no gas le-
aks
Block the bushing with the
screw and put a tampering de-
tecting seal on it
6.
EN
BURNER