baltur BTG 15P Manuel D'installation, Utilisation Et Entretien page 38

LME 21... GAS BURNER CONTROL DEVICE
E
N
G
L
I
S
H
Legend
AL Error message (alarm)
AS Unit fuse
BV... Fuel valve
EK... Remote lockout reset button (internal)
ION Ionization probe
FS Flame signal
FSV Flame signal amplifier
GP Gas pressure switch
H Main switch
K1...5 Internal relays
LP Air pressure switch
LR Load controller
M Fan motor
NT Power supply
R Control thermostat / pressurestat
SB Safety limit thermostat
STB Safety limit thermostat
Si External fuse
Equipment or
programmer
LME 21.430 A2 BT
Safety Preventilation
time time
s s
3 40
t Time
W Limit thermostat / pressure switch
Z Ignition transformer
A Start command (switching on by «R»)
B-B´ Interval for establishment of flame
C Operating position of burner reached
C-D Burner operation (generation of heat)
D Controlled shutdown by «R»
• Burner will immediately be shut down
• Burner control will immediately be ready for new startup
I Cam I actuator
t1 Prepurge time
t3 Preignition time
t3n Postignition time
t4 Interval between ignition «Off» and release of «BV2»
t10 Specified time for air pressure signal
TSA Ignition safety time
tw Waiting time
Post Opening time
Pre- -
ignition ignition 1st flame valve
and the 2nd flame valve
s s
2 2
14 / 20
0006080895_200903
time travel
opening
damper
s s
11 12
time travel
closing
damper
s
12