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During normal operation, the modulation probe installed on the
boiler measures any variation demands and automatically adjusts
the fuel and combustion air flow rate by starting the air/gas flow rate
modulation servomotors, modulating the output.
This causes the air/gas output control system to balance the amount
of heat supplied to the boiler with the amount it gives off during use.
If a flame does not appear within three seconds from the opening of
the gas valves, the control equipment will lockout (shutting down the
boiler completely and showing the corresponding error message on
the display).
To "unlock" the equipment, press the RESET button for about half a
second.
DETAIL OF BUTTERFLY VALVE FOR GAS FLOW REGULATION
BY MEANS OF SERVO MOTOR
A) Butterfly gas valve position reference index
B) Gas modulation servomotor
Содержание TBG 45 ME
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