Lamborghini Caloreclima EM 9/2-E Notice D'installation Et D'entretien page 34

Legenda
CM Air actuator connector
EC Control electrode
F Fuse
FA Anti-interferencs filter
IG Main switch
MA Control box terminal board
MB Burner motor
MS Air servocontrol terminal board
MV Detachable terminal
PA Air pressure switch
PGm Minimun gas pressure switch
TC Boiler thermostat
TS Safety thermostat
Tmf 2nd stage modulation thermostat
(if present)
TR Ignition transformer
VP Main work valve
VS Safety valve
OPERATING CYCLE
Necessary 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
MB Burner motor
MT Air servo control
PA Air pressure switch
TR Ignition transformer
V1-V2 1st/2nd stage gas valve
EC Control electrode
TMF Modulation thermostat
UK
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T11 Air shutter opening time, from 0 to max
TW Begins with the closure of the thermo-
static 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.
T2 Safety time, within which the flame signal
must reach the EC electrode. It lasts for 3 se-
conds.
T4 Interval between the opening of the V1
gas valve and the opening of the second sta-
ge V2. It lasts for 8 seconds.
T5 Air shutter closing time and program zero-
setting time.
T12 Time in which the air shutter shifts to the
start-up position.
M