Gas Pressure / Gas Rate
Remove the inlet testing screw located
at the bottom RHS of the gas valve and
connect a suitable manometer.
Press RESET and MODE simultaneously, wait until the circle is complete then release LO will be displayed on the screen
for HI (maximum power) push and hold the DHW (+) then HI will be displayed wait 45 seconds to stabilize then test
the dynamic inlet pressure.
Put the boiler into SERVICEMAN by carrying out the following:
Step 4
4-1 4-2
4-3 4-4
5
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