SBM XFR Series Installer's Instructions page 21

 Gas-tightness test :
= open
= close
Nitrogen or dry air
P
1,5 x
G
Local regulation may apply.
 First start-up
a) Nitrogen or dry air at 1.5 times more pressure than gas operating pressure P
b) Turn off the nitrogen or dry air supply and wait 15 minutes.
c) Check the pressure gauge after 2 hours (must stay fixed).
d) If not, detect leaks with a foaming product, fix them and repeat the
operation
Solenoid valve
Pressure gauge
a) Preliminary checks :
* check calibration of control unit fuses.
* ground fault breaker operation ("TEST" button).
b) Initial settings :
* main valve closed.
* heaters valves open.
* ground fault breaker set to "ON".
* thermostat or programmable controller set to correct temperature setting
(see the technical instruction of the heating control module).
c) Ignition
* open the main gas valve.
* Put the ignition switch on "I / ON"
* run a full sensor heating cycle and check :
. ignition cycle length (45 seconds maximum).
. ignition and shut-down of heaters according
to temperature settings.
G
21