27
3061344_201509
Filling the siphon /
Checking the gas supply pressure
Filling the siphon
- Remove the siphon.
- Fill the siphon with water.
- Install the siphon.
Fig.: Siphon
Siphon
Checking the gas supply pressure
• Switch OFF the ON/OFF switch. Close the gas shut-off
valve.
•
Remove the differential pressure gauge, and reseal the
test port with its plug
.
• Open the gas shut-off valve.
• Check the test nipple for gas leaks.
• Complete the enclosed notice and affix to the inside of the
casing.
• Close the boiler.
Fig.: Shut-off valves
Flow shut-off
valve
Return shut-
off valve
Gas shut-off
valve