IOM – FLEXY II – 1007 – E Page 60
MOD U L ATI N G GAS (U N D ER PATEN T I N PI May 2004)
The actuator
The actuat or rec eiv es an inf orm at ion 0-10V f rom the
regulation f or the positioning of the air shutter; then the
actuator transmits its position to the printed-board which
will order t he v alv e.
Check position and operation of the actuator
STARTING UP THE GAS BURNER
Purge the pipe-work near t he connection on t he ignit ion
control Valve for a f ew 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 s t art of t he gas burner m ust be done at high heat
injection.
of the actuator
hand driv e operation
: MODULATING GAS BURNER 60 & 120kW
Actuator screw
the actuator’s screw
Max im um opening
Minim um opening
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