Ecoflam MULTIFLAM 200.1 TC VGD 40.065 [4/54] Gas circuit

Ecoflam MULTIFLAM 200.1 TL VGD 20.503 [4/54] Gas circuit
4
420010316901 Multiflam 170.1 - 200.1 AB/AB
EN
1° STADIO GAS
VgS
Vg2
Vg1
VG2
VG1
VGS
1
2
3
4
5
6
10
9
8
7
GAS CIRCUIT
SUCTION
RETURN
1 - PUMP
2 - SAFETY OIL VALVE
3 - LOW FLAME OIL VALVE
4 - HIGH FLAME OIL VALVE
5 - LOW FLAME NOZZLE
6 - HIGH FLAME NOZZLE
7-GAS PRESSURE SWITCH
8-SAFETY GAS VALVE
9-LOW FLAME GAS VALVE
10 - HIGH FLAME GAS VALVE
LANDIS LGB 22 UP-CYCLE
The control box starts the
burner fan, to carry out
the prepurging of the
combustion chamber, and
cheks the vent air pressure
through the air pressure
switch. At the end of pre-
purging, the ignition tran-
sformer cuts-in and gene-
rates a spark between the
electrodes. At the same
time the two gas valves open (Vs safety valve and Vl Low flame working valve).
The total safety, in case of missed ignition or casual burner's flame-out, is
granted by a ionisation probe which cuts-in and sets the burner shutdown
within the safety time. In case of gas lack or a major pressure drop, the mini-
mum air pressure switch shuts down the burner.
t1
t2
t3
t2
t3
t5
t4
t6
t1
t5
t4
Lock out lamp
Flame detection
Gas valve
High flame ON/OFF
Transformer
Air pressure switch
Motor
Gas pressure switch
Normal operative cycle ignition
Operative cycle with flameless
Description
t1 pressure switch control time-out 9"
t2 time-out for air pressure confirmation 3"
t3 prewashing time 30"
t4 safety time 3"
t5 preignition time 3"
t6 time-out to enable fuel 2nd valve 8"
2° STADIO GAS
VgS
Vg2
Vg1
VG2
VG1
VGS
1
2
3
4
5
6
10
9
8
7
SUCTION
RETURN

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