Enertech Bentone BG 450 M, Инструкция по установке и обслуживанию

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suffi cient fan pressure.
The gas is ignited. The ionization electrode indicates a fl ame.
The ignition spark goes out. The safety time expires. If there is no fl ame or if for some reason the fl ame disappears
A1 = LMG
GP
R/W
L N
br bl rt sw
sw rt Q1 = AGQ 2...
QRA
1 11 12 2
172 425 60 15-01
3 (5)
During the time the cause
of the fault is diagnosed,
the control outputs are
deactivated.
– The burner remains shut
down
– Exception: fault status
signal «AL» at terminal 10
The burner is switched on
only after a reset is made.
– Press lockout reset but-
ton for 0.5...3 seconds
ELECTRIC EQUIPMENT
Control diagnosis under fault conditions and lockout indication
Gas burner control: LMG ...
Diagnosis of cause of fault
After lockout, the red fault LED is steady on. For reading the cause of fault, refer to
the blink code given in the following table:
Connecting signal amplifi er
Error code table
Blink code Possible cause
2 x
•• •
No establishment of fl ame at the end of «TSA»
– Fault or soiled detector electrode
– Fault or soiled fuel valves
–
Poor adjustment of burner
3 x
••• • Air pressure monitor does not close
– «LP» faulty
–
«LP» incorrectly adjusted
– Fan motor does not run
4 x
•••• • Air pressure monitor does not open or extraneous light on
burner startup
– «LP» faulty
–
«LP» incorrectly adjusted
5 x
••••• • Extraneous light during pre-purging
– Or internal device fault
7 x
••••••• •
Loss of fl ame during operation
–
Poor adjustment of burner
– Faulty or soiled fuel valves
– Short-circuit between detector electrode and ground
8...17 x
••••••••
.................
••••••••••
••••••• • Free
18 x
••••••••••
•••••••• • Air pressure monitor opens during pre-purging or operation
–
«LP» correctly adjusted
–
Four times loss of fl ame during operation (LMG25)
19 x
••••••••••
••••••••• • Faulty output contact
– Wiring error
– External power supply on output terminal
20 x
••••••••••
•••••••••• • Internal device fault
AL
FS
Red LED on
LED on (waiting time≥10 s)
Fault
Press lockout reset button
for > 3 s
Blink code Off
Blink code
Approx.
3 s