48
GB
4)
PG
Pt
Pe
Pv
Connect the gas pressure gauge to the inlet PV in order to measure gas pressure downstream from the ramp (see
pressure/flow curves).
After having electrically connected the burner as per the ELECTRICAL CONNECTIONS paragraph, connect the
low/high flame switch Tmf to the terminal block so that you can use it to get the high and low flame burner levels.
You must be able to have a high or low flame available during adjustment.
Tmf
Connect the instrument for combustion analysis, the pressure gauge for gas
pressure to the combustion head and the low/high flame switch.
Connection diagram for temporary high/low
switch, to be used during adjustment (remove
after adjustments and connect a flame modu-
lation thermostat if necessary or reconnect the
brindge).