Unigas RG515 Manual Of Installation - Use - Maintenance page 42

LMO14
μC control
EK1 μC1
LED
K1 K2
K3
2 8
1 10
kbr
SB
8
R
OW
W
OH
AL
N
Si
L
N
7130a01e/0700
LMO24 - LMO44
µC cont r ol
µC 1
EK1
LED
K2
K1
K3
2 10 8 3
1
kbr
SB
8 3
R
O W
W
O H
AL
N
Si
L
N
7130a02e/ 0700
Control sequence
LMO14
A´ A
R
W
SB
tw
OH
OW
M
BV1
t1
Z
t3
FS
Only with LMO14.113A2: re-ignition
Z
FS
μC2
3 4 5
6 7 9
3
EK2
1
M Z BV1
µC 2
K4
6 4 5 9
7
EK2
BV2
1
Z BV1
M
B C
t3n
TSA
t3n t3n
7130d02e/0700
LMO24 - LMO44
A ´
R
W
SB
O H
O W
FSV
M
BV1
11 12
BV2
QRB
Z
FS
QRC
bl sw
br
Z
FS
Key
AL Alarm device
kbr... Cable link (required only when no oil pre-heater is used)
FSV BV... Fuel valve
EK1 Lock-out reset button
EK2 Remote lock-out reset button
11 12 FS Flame signal
FSV Flame signal amplifier
K... Contacts of control relay
Q R B
LED 3-colour signal lamps
M Burner motor
OW Release contact of oil pre-heater
Q R C
t1 Pre-purge time
bl sw
br
t3 Pre-ignition time
t3n Post-ignition time
A´ Beginning of start-up sequence with burners using an oil pre-
heater
A Beginning of start-up sequence with burners using no oil pre-
heater
Controller output signals
D
Required input signals
1
OH Oil pre-heater
QRB Photoresistive detector
8
QRC Blue-flame detector
3
bl = blue
br = brown
3
sw = black
4
R Control thermostat or pressurestat
SB Safety limit thermostat
6
Si External primary fuse
11
W Limit thermostat or pressure switch
12
Z Ignition transformer
t4 Interval from flame signal to release «BV2»
6
TSA Ignition safety time
11
tw Waiting time for oil pre-heating
12
B Time of flame establishment
C Operating position
D Controlled shut-down by «R»
µC1 Microcontroller 1
µC2 Microcontroller 2
A B
t w
t 3n
t 1
TSA
t 3
t 3n t 3n
7130d03e/ 0700
C
D
1
8
3
3
4
5
6
11
12
6
11
12