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Function
Control unit SG 513
Blink-code
x y y y y
No flame signal at end of safety time.
x x y y y
Unauthorised flame detected during the pre-ventilation/pre-ignition
time.
x x x y y
Air-pressure switch: Contact fails to close within defined time
period.
x x x x y
Air-pressure switch: Contact opens at startup or during operation.
y y x x x
Air-pressure switch not in rest position, e.g. due to fused contact.
y y y y x
Flame goes out during operation.
x x y y y — y y y y y
Manual safety shutdown (refer also to locking procedure).
Code
x
y
—
Required Input signals
Output signals
Temper. controller
Air-pressure switch
1
Activation of control unit, motor and SM
2
Testing of air pressure
3
End of pre-ventilation
4
Activation of transformer and end of
pre-ventilation phase
Press
button
"R"
for ...
... less than 9
seconds...
... between 9
and 13
seconds...
... more than 13
seconds...
Cause of malfunction
Note
Short light signal
Long light signal
Pause
Burner motor
Gas valve
Regulation
5
Activation of gas valve
6
Flame check
7
Activation of SM and gas valve, followed by burner
operation
0
Regulator shutdown - burner stopped
10 Malfunction mode
05/2005 - Art. Nr. 13 018 071A
The SG 513 gas control unit controls and monitors
the forced-draught burner. The microprocesso
... leads to ...
r-controlled program sequence ensures the
maximum consistency of the time periods involved,
regardless of fluctuations in the power-supply voltage
or ambient temperature. The design of the automatic
unit protects it from the effects of brownouts.
Unblocking or
Whenever the supply voltage drops below its rated
blocking of the
minimum level, the control unit shuts down - even if
no malfunction signal has been emitted. The control
control unit
unit switches itself back on again once the voltage
has returned to normal levels.
Delete the
Information system
statistics of the
The built-in visual information system keeps you
up-to-date regarding the causes of any safety
control unit
shutdown. The most recent cause of a malfunction
is logged, and the information can be reconstructed
No effect
on startup of the system - even if there has been a
on control unit
power failure in the meantime. In the event of a
malfunction occurring, the LED indicator in the
"Reset" button (R) lights up and stays permanently
lit until the fault has been acknowledged (i.e. until
the error has been cleared or the control unit fault
has been dealt with).
The light pauses every ten seconds to emit a
blink-code designed to indicate the cause of the
malfunction. It is possible, using the display
program (available as an accessory), to obtain
further in-depth information on the system's
operating and malfunction procedures.
Locking and unlocking the system
The automatic unit can be locked (corresponding to
a malfunction) and unlocked (cleared) by pressing
the "Reset" button (R), provided the system is
connected to the power supply.
If the button is pressed during normal or startup
mode, the device goes into malfunction mode. If
the button is pressed with the system in
malfunction mode, the automatic unit is
unblocked.
m
Always disconnect the power supply before
installing or removing the automatic unit. DO
NOT attempt to open the automatic unit, as
there are no user-serviceable parts inside.
Ignition transf.
Flame monitor
tlw Waiting period of air-pressure switch
tlk Opening time of servomotor and discharge of
pre-ventilation
tr
Shutting time of servomotor
tvz Pre-ignition time
ts
Safety valve
tv2 Minimum time between fuel valve 1 and 2
Servomotor (SM)
fault
Unblocking
EN
25
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