Lamborghini Caloreclima 310 PM/M-E Notice D'installation Et D'entretien page 39

DIAGRAM OPERATION MODULATION TWO STAGES
Input signals
Output signals
A Begin start up
B Flame present
B-C Operation
C
Control stop
C-D Air shutter closure + post-purge
TC-PG Thermostats/Gas pressure switch line
T1 È il tempo di preventilazione.
T11 Air shutter opening time, from 0 to max.
TW Begins with the closure of the thermostatic line or the PG. The PA must be in the rest position. This is the
waiting and self-test time.
T10 Begins when the motor starts up and with the prepurge phase, within which the PA air pressure switch must
give the go-ahead.
T1 Pre-purge time.
T3 Pre-ignition phase, it ends when the gas valve opens.
T2 Safety time, within which the flame signal must reach the EC electrode.
T4 Interval between the opening of the gas valve and the opening of the second stage.
T6 Air shutter closing time and program zero-setting time.
T12 Time in which the air shutter shifts to the start-up position.
MB Burner motor
PA Air pressure switch
TR Ignition transformer
VE Gas valve
TMF Thermostat modulation flame
EC
Control electrode
MT Air servo control
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