• 56 • BALTIC-IOM-0412-E / Service manual
Modulating gas (under patent inpi mai 2004)
The actuator
The actuator receives an information 0-10v from the regulation for
the positioning of the air shutter; then the actuator transmits its
position to the printed-board which will order the valve.
Check position and operation of the actuator
Starting up the gas burner
Purge the pipe-work near the connection on the ignition control
valve for a few seconds.
• check that the unit's treatment fan blower is running.
• set the control to “on” this will priorities the gas burner.
• increase the set temperature (room set point temperature) to a
temperature higher than the actual room temperature.
The start of the gas burner must be done at high heat injection.
Minimum opening of the actuator
MODULATING GAS BURNERS
Disengaging for
hand drive operation
Bearing surface
of the actuator’s
screw
Manual rotation of
the actuator
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