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ENGLISH
OPERATING CYCLE
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 star-
ts 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
seconds.
Necessary input signals
Output
signals
A
Begin start up
B Flame
present
B-C Operation
C Control
stop
TC-PG
Thermostats/Gas pressure switch line
MB Burner
motor
PA
Air pressure switch
TR Ignition
transformer
EC Control
electrode
MT
Air servo control
EM 12-E EM 18-E
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 star-
ts 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
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.
Necessary input signals
Output
signals
A
Begin start up
B Flame
present
B-C Operation
C Control
stop
TMF
High/low flame thermostat
C-D
Air shutter c post-purge
TC-PG
Thermostats/Gas pressure switch line
MB Burner
motor
PA
Air pressure switch
TR Ignition
transformer
V1°-V2° 1st/2nd stage gas valve
EC Control
electrode
MT
Air servo control
EM 18/2-E
Содержание EM 12-E
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Страница 21: ...21 ITALIANO...
Страница 39: ...39 ENGLISH...
Страница 57: ...57 FRAN AIS...
Страница 75: ...75 DEUTSCH...
Страница 93: ...93 ESPA OL...
Страница 100: ...100 2 4 3 4 fi fi 5 fi 1 fi fi fi fi fi fi fi fi EM 12 E fi 2 4 6 10 EM 18 E fi 102 16 4...
Страница 104: ...104 3 sec 3 sec LME 10 Y KEYH LME led...
Страница 109: ...109 fi fi fi fi fi fi CO2 CO fi fi fi fi fi 1 2 3 4 5 fi fi fi fi fi fi fi fi fi fi 4 5 1 2 3...
Страница 110: ...110 1 A B A B 2 fi A B C A B C fi 3 fi A fi fi A...
Страница 111: ......