BALTIC R410A-IOM-0708-E Page 88
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.
Fig. 75
Fig. 78
Bearing surface of the
actuator’s screw
Manual rotation of the
actuator
Disengaging for hand drive
operation
Maximum opening of the actuator
Minimum opening of the actuator
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