COMPACT CONTROL DEVICE OF VALVE SEAL VPS 504
By request a seal control to install onto the set MULTIBLOCK
may be provided.
SETTING THE AIR PRESSURE SWITCH
The air pressure switch has to lock the burner in case of lack of combustion air.
It will be set at about 15% lower than the value of the air pressure in the burner
when this is at the nominal capacity with working at the first flame, checking
that the value of CO is lower than 1%.
SETTING THE GAS PRESSURE SWITCH (MIN.)
The minimum gas pressure switch has to prevent the starting of the burner or stop it when it is working. If the gas
pressure is not the minimum, it must be set at 40% lower than the value of the gas pressure obtained during working
at maximum flow rate.
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