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Room Temp.
Gas Supply
Gas_Supply_Diff
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100%
Room Temp.
Winter
Comp_DiffGas_Diff
Gas_Offset
compressor
operation
19SysAer
3.11.3. MODULATING GAS BURNER
In winter mode, a 0-10V output controls the gas burner capacity according to the gure below:
Maximum Supply Air Temperature limitation
If the supplied air is too high, this function can proportionally reduce the burner capacity as the gure below:
The supply setpoint is set to 65°C and the differential to 10°C.
The gas burner can also be stopped by:
² Alarm generated by the burner internal electronic board and which is sent to the main controller stop
the gas burner operation until manual reset on both controllers.
When stopped, the gas burner will stay OFF for two minutes before being enabled to start.
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