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Set-up
Setting the pressure
To set up the EBC22, do the following:
Step
Action
1
Follow the procedure on page 22 for changing the operating function into pressure-controlled regulation of an
Exodraft supply air fan, (
operating function 3).
2
Follow the procedure page 18
for setting the required pressure in the boiler room. The procedure is the same as for
setting a chimney draft.
The only difference is that the
symbol is shown in the display on completion of step 1. Set the pressure in accor
-
dance with locally applicable requirements.
Commissioning
Commissioning of the EBC22 must be carried out so that the supply air fan ensures correct pressure in the
room.
Do as follows
Step
Action...
1
Provisional setting of the pressure in the boiler room
•
Press
to go to Menu 1.
•
Press
•
Press
or
to adjust the value until the required pressure is shown in the display
•
Press
to confirm the set point.
•
To save the set point: Press
again within 5 seconds.
•
Press
to return to the operation screen.
2
Start the boiler system at max. output.
3
Check that the control system regulates to the set point.
4
Check the safety monitoring.
5
•
If appropriate, simulate error conditions by switching off the supply air fan.
•
Burner is switched off (diode switches off) and the alarm diode illuminates.
6
After completing the commissioning, check the start-up function by restarting the
system.
For the set point values, please refer to the data for the boiler in question. However, ± 5 Pa can be considered typical.
Some systems require a special start-up procedure following safety shut-down. Follow this procedure
before pressing the
button.
Содержание EBC22
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