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6 Commissioning
6.4.5 Switch-off Test
WARNING!
Checking the safety-related parameters by means of a switch-off test
You must check the safety-related parameters of the F300K to ascertain whether they are set
in accordance with the requirements for the furnace to be monitored and to ensure compliance
with the relevant standards.
Check the parameters for adherence to the flame failure detection time
(FFDT) by means of switch-off tests in the relevant performance range and the relevant
modes of the furnace.
Make the flame go out. To do this, you have to shut off the fuel supply of the burner mon-
itored by the F300K (preferably using the quick-action valve).
Check after the flame goes out that the signal for closing the
safety shut-off device within the necessary timescale is triggered.
NOTICE
Check beforehand that the parameter for the flame failure detection time (FFDT) is set cor-
rectly on the display of the F300K (siehe Fig. 6-25 Main menu).
You have to carry out this switch-off test for every single operating mode.
Fig. 6-25 Main menu
1 Safety time
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