SBM XFR Series Installer's Instructions page 22

d) Injection pressure p
* The injection pressure of each heater p
corresponding tables §1.2 page 4.
* Procedure :
. Unscrew the pressure test point screw (2 or 3 turns)
. Connect a pressure gauge (adapted to the value to be measured) to
the pressure test point.
. If value differs than the theorical value from table
check the supply pressure and the cleanness of the gas filters.
. Remove the pressure gauge.
. Re-tighten the pressure test point screw.
Do not forget to re-tighten the pressure test point screw.
Injection pressures must be set while
e) Tightness of heater connection
* for each heater, check gas tightness with a foaming product, from the output
of the individual valve to the injector.
check
i
all the heaters are
must be set to the value indicated in the
i
Inlet pressure p
(pressure point)
running.
i
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