7
x
Heat cell with gas burner
1. Switch the ROTEX GCU compact off and then on again.
2. Set the rotary switch to the
"Configuration"
position.
An overview is displayed.
3. Use the rotary switch to select the
"Lambda-Gx"
level.
An overview is displayed.
4. Use the rotary switch to select the parameter [100%
Calibration] and confirm.
An overview is displayed.
5. Use the rotary switch to select the parameter [Drop Io-base]
and confirm.
Calibration running. After calibration is complete, an
adjustment range of -5 to +10 is displayed.
6. Connect the flue gas analysis device to the test adapter for
the flue gas pipe.
7. Use the rotary switch to adjust the parameter [Drop Io-base]
so that the flue gas values lie in the target value range.
8. Confirm the changes with a brief push of the rotary switch.
Calibration is finished.
Burner starts without problems: No further measures are
required.
Burner start still has faults: Check the starting output of
the burners and adjust as necessary.
Checking, adjusting the burner starting output
The setting of the parameter [Corr power start] is directly asso-
ciated with the structural design.
1. Set the rotary switch to the
"Configuration"
position.
An overview is displayed.
2. Use the rotary switch to select the
"Lambda-Gx"
level.
An overview is displayed.
3. Use the rotary switch to select the parameter [Corr power
start] and confirm.
Current value is displayed.
4. Use the rotary switch to adjust the parameter [Corr power
start].
5. Confirm the changes with a brief push of the rotary switch.
6. Switch the ROTEX GCU compact off and then on again.
7. Generate a burner demand (e.g. heating operation).
Burner starts without problems: Recheck the flue gas val-
ues in accordance with chap. 7.3.3. No further measures
are required if the flue gas values lie within permissible
limits. Enter the performance change in the operating
manual and confirm with your signature.
Burner start still has faults: Readjust the starting output
and adjust the gas volume as necessary.
Adjusting the gas volume at the burner start
The gas volume at burner start can be set up by adjusting the pa-
rameter [Corr qGas start].
1. Set the rotary switch to the
"Configuration"
position.
An overview is displayed.
2. Use the rotary switch to select the
"Lambda-Gx"
level.
An overview is displayed.
3. Use the rotary switch to select the parameter [Corr qGas
start] and confirm.
Current value is displayed.
4. Use the rotary switch to adjust the parameter [Corr qGas
start].
5. Confirm the changes with a brief push of the rotary switch.
6. Switch the ROTEX GCU compact off and then on again.
7. Generate a burner demand (e.g. heating operation).
Burner starts without problems: Recheck the flue gas val-
ues in accordance with chap. 7.3.3. No further measures
are required if the flue gas values lie within permissible
limits.
The burner start still has faults: See chap. 10.
For
starting problems after
a
replacement
of the
safety gas
control block
:
The starting configuration of the safety gas control block can be
adjusted for the first burner start by setting the parameter [CL -
Offset CES].
1. Set the rotary switch to the
"Configuration"
position.
An overview is displayed.
2. Use the rotary switch to select the
"Lambda-Gx"
level.
An overview is displayed.
3. Use the rotary switch to select the parameter [CL - Offset
CES] and confirm.
Current value is displayed.
4. Use the rotary switch to adjust the parameter [CL - Offset
CES].
5. Confirm the changes with a brief push of the rotary switch.
6. Switch the ROTEX GCU compact off and then on again.
7. Generate a burner demand (e.g. heating operation).
Burner starts without problems: Recheck the flue gas val-
ues in accordance with chap. 7.3.3. No further measures
are required if the flue gas values lie within permissible
limits.
Burner start still has faults after multiple corrections: see
chap. 10.
If there are
noise problems
(such as whistling, humming), ad-
justing the starting parameters described above (starting output,
gas volume burner start) may help.
Disruptive noise caused by resonance can also be reduced effec-
tively using a silencer (see chap. 4.2).
7.3.5 Setting ignition and ionisation electrodes
The electrodes are optimally configured at the factory.
After the replacement or for maintenance purposes, it may be
necessary to check the electrode spacing and adjust where nec-
essary (for dimensions, see fig. 7-5, test dimensions bold).
After the electrodes have been replaced or adjusted, the burner
must be restarted, and the function, leak-tightness of the elec-
trode flanges and the burner settings have to be checked (see
chap. 7.3.3).
CAUTION!
Ignition electrodes can break with cold deformation.
●
Dismantle the burner before adjusting the electrodes and
make the electrodes glow by using a solder lamp.
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