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HEATING : MODULATING GAS BURNER 60 & 120 kW
MODULATING GAS (UNDER PATENT INPI May 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
Disengaging for
hand drive operation
Manual rotation
of the actuator
FLEXYII_WSHP-IOM-0909-E
Maximum opening
Minimum opening
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.
Actuator screw
Bearing surface of the
actuator's screw
Page 75
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