Lamborghini Caloreclima EM 9/2-E Notice D'installation Et D'entretien page 38

OPERATING CYCLE
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 pre-
purge phase; it lasts for 3 seconds, within which the
PA air pressure switch must give the go-ahead.
T1 Pre-purge time, which lasts for at least 30 seconds,
ending when the transformer starts up.
T3 Pre-ignition phase, it ends when the gas valve
opens. It lasts for 3 seconds.
LME EQUIPMENT
The release pushbutton on the equipment is the main component for accessing all the diagnostic functions (activation and
deactivation) as well as for releasing the control and checking device. The release pushbutton has a multicoloured led
which indicates the state of the control and checking device during operation and when the diagnostic function is in use.
EQUIPMENT STATE INDICATORS
Description
Condition
Standby, other intermediate states
Ignition stage
Correct operation
Incorrect operation, current level of
flame detector below permitted minimum
Drop in voltage
Burner lock out
Fault (see table)
Stray light before burner ignition
Rapid flashing for diagnostics
A
B
B-C
C
TMF
C-D
TC-PG
MB
PA
TR
V1°-V2°
EC
MT
T2 Safety time, within which the flame signal must
reach the EC electrode. It lasts for 3 seconds.
T4 Interval between the opening of the V1 gas valve
and the opening of the second stage V2. It lasts for
8 seconds.
T6 Air shutter closing time and program zero-setting
time.
T12 Time in which the air shutter shifts to the start-up
position.
Colour sequence
No light
Yellow, flashing
Green
Green, flashing
Alternating yellow red
Red
Red, flashing
Alternating green red
Red, rapid flashing
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Necessary input signals
Output signals
Begin start up
Flame present
Operation
Control stop
High/low flame thermostat
Air shutter closure + post-purge
Thermostats/Gas pressure switch line
Burner motor
Air pressure switch
Ignition transformer
1st/2nd stage gas valve
Control electrode
Air servo control