7.0
Commissioning the Appliance - Page 32
7.1 Commissioning the Appliance
disconnect the filling loop. Check for water leaks.
2. Purge away air from the supply pipe at the gas service
3. Ensure that the electrical supply is isolated.
4. Check the electrical supply for earth continuity, polarity,
5. Turn the gas service cock to the ON position and check
for gas soundness up to the gas valve.
valve (there is no need to completely remove this screw to
obtain a pressure reading) and connect a pressure gauge
7. Turn the boiler thermostat control knob fully anti-
clockwise to the OFF position marked 0 (Fig. 79).
any external controls to the ON position.
9. Turn the boiler thermostat knob fully clockwise.
seconds, the ignition spark will commence.
11. The sparking will continue until the pilot light is
the pilot flame.
12. Check that both the main burner and the pilot are alight
lights should also be illuminated.
13. Should this sequence not occur, then refer to the
finding section of these instructions.
NOTE: The
sealed and therefore non-adjustable.