CIB Unigas Idea LO400 G-.TN.M.RU.A Инструкция по эксплуатации онлайн [45/48] 361353
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CIB Unigas Idea LO400 G-.TN.M.RU.A Инструкция по эксплуатации онлайн [45/48] 361353

CIB Unigas Idea LO400 G-.TN.M.RU.A Инструкция по эксплуатации онлайн [45/48] 361353
SIEMENS OIL BURNERS AUTOMATIC CONTROLLER SIEMENS
LMO14 - LMO24 - LMO44
The LMO... burner controls are designed for the start-up and supervision
of single- or 2-stage forced draught oil burners in intermittent operation.
Yellow-burning flames are supervised with photoresistive detectors
QRB..., blue-burning flames with blue-flame detectors QRC...
In terms of housing dimensions, electrical connections and flame
detectors, the LMO... are identical to the LOA... oil burner controls.
Preconditions for startup
z Burner control is reset
z All contacts in the line are closed
z No undervoltage
z Flame detector is darkened, no extraneous light
Undervoltage
z Safety shut-down in the operating position takes place should the
mains voltage drop below about AC 165 V
z Restart is initiated when the mains voltage exceeds about
AC 175 V
Time supervision oil pre-heater
If the oil pre-heater’s release contact does not close within 10 minutes,
the burner control will initiate lock-out.
Controlled intermittent operation
After no more than 24 hours of continuous operation, the burner control
will initiate an automatic safety shut-down followed by a restart.
Control sequence in the event of fault
If lock-out occurs, the outputs for the fuel valves and the ignition will
immediately be deactivated (< 1 second).
Lock-out
In the event of lock-out, the LMO... remains locked (lock-out cannot be
changed), and the red signal lamp will light up. This status is also maintai-
ned in the case of a mains failure.
Resetting the burner
Whenever lock-out occurs, the burner control can immediately be reset.
To do this, keep control the lock-out reset button depressed for about 1
second (< 3 seconds).
Ignition program with LMO24.113A2
If the flame is lost during «TSA», the burner will be reignited, but not later
than at the end of «TSAmax.». This means that several ignition attempts
can be made during TSA (refer to «Program sequence»).
Limitation of repetitions
If the flame is lost during operation, a maximum of 3 repetitions can be
made. If the flame is lost for the 4th time during operation, the burner will
initiate lock-out. The repetition count is restarted each time controlled
switching on by «R-W-SB» takes place.
Operation
Lock-out reset button «EK...» is the key operating element for
resetting the burner control and for activating / deactivating the
diagnostic functions.
The multicolour «LED» is the key indicating element for both
visual diagnosis and interface diagnosis.
s Red
l Yellow
o Green
Key
m Off
l Yellow
o Green
s Red
Diagnosis of cause of fault
After lock-out, the red fault signal lamp remains steady on.
In that condition, the visual diagnosis of the cause of fault according to the
error code table can be activated by pressing the lock-out reset button for
more than 3 seconds.
During the time the cause of fault is diagnosed, the control outputs are
deactivated.
z Burner remains shut down
z Fault status signal «AL» at terminal 10 is activated
The diagnosis of the cause of fault is quit and the burner switched on
again by resetting the burner control.
Press lock-out reset button for about 1 second (< 3 seconds).
Connection diagram and internal diagram
LMO14
Cause Response
After a mains failure Restart
After voltage has fallen below the
undervoltage threshold
Restart
In the event of a premature, faulty
flame signal during «t1»
Lock-out at the end of «t1»
In the event of a premature, faulty
flame signal during «tw»
Prevention of start-up, lock-
out after no more than 40
seconds
If the burner does not ignite during
«TSA»
Lock-out at the end of TSA
In the event the flame is lost during
operation
Max. 3 repetitions, followed
by lock-out
Oil pre-heater’s release contact does
not close within 10 min.
Lock-out
EK
Colour code table
Status Colour code Colour
Oil pre-heater heats,
waiting time «tw»
lllllllllll Yellow
Ignition phase, ignition
controlled
lmlmlmlmlml Yellow-off
Operation, flame o.k. oooooooooooo Green
Operation, flame not o.k. omomomomomo Green-off
Undervoltage lslslslslsl Yellow-red
Fault, alarm sssssssssss Red
Output of fault code (refer
to Fault code table)
smsmsmsmsm Red-off
Extraneous light prior to
burner start-up
osososososo Green-red
Interface diagnosis ssssssssssssss Red flicker light
Error code table
Blink code Possible cause
2 blinks **
No establishment of flame at the end of TSA
z Faulty or soiled fuel valves
z Faulty or soiled flame detector
z Poor adjustment of burner, no fuel
z Faulty ignition
3 blinks *** Free
4 blinks **** Extraneous light on burner startup
5 blinks ***** Free
6 blinks ****** Free
7 blinks *******
Too manny losses of fleme during operation
(limitattion og the number of repetitions)
z Faulty or soiled fuel valves
z Faulty or soiled flame detector
z Poor adjustment of burner
8 blinks ******** Time supervision oil pre-heater
9 blinks ********* Free
10 blinks ********** Wiring error or internal error, output contacts

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