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Form #44201150
-30- Sept
2010
Remove hole
plug.
Use screwdriver for
pressure adjustment
at govenor.
25 mbar
+
-
Fig. 32
d.
Upon obtaining the correct burner setting pressure switch off the electricity supply to the appliance, remove
the screwdriver, replace the plug into the upper surface of the control box door and open the door. Remove
the manometer tube from the RIGHT (Gas OUT) Control Valve test nipple and screw in the test nipple sealing
screw. Close the control box door and secure with the two toggle latches.
FLAME SUPERVISION
a.
To check the operation of the flame supervision equipment, run the appliance normally, turn off the gas
supply at the gas isolation valve and observe that the amber neon indicator remains illuminated.
b.
After a purge period of 10 seconds (minimum) the solenoid valves and the ignition spark electrode will be re-
energized and with the gas still turned off, the ignition control will go to "lockout" condition after a further 12
seconds (maximum). Amber neon indicator extinguished.
c.
Switch off the electricity supply to the appliance for a period of 10 seconds before attempting to re-ignite the
burner. (see Section 13.0).
Содержание PHS 25
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