Riello LMV5 Series Commissioning Instructions page 33

Loss-of-flame test
Safety limit thermostat
test
7.4 TÜV (German technical inspection association)
test
The TÜV test function may only be performed by authorized staff.
It is possible to activate
the loss-of-flame test, and
the safety limit thermostat test
The loss-of-flame test is triggered manually with the AZL5... and produces an interrup-
tion of the flame signal.
Using safety shutdown «Loss of flame», the LMV5... must shut the burner down.
Activation of the safety limit thermostat test negates the internal controller and tempera-
ture limiter function.
The setpoint and the temperature limiter switch-off threshold will be ignored.
The burner will be switched on and the load automatically set to the following adjustable
level.
Here, it is possible to set the load level that shall be approached in modulating opera-
tion:
Parameter SLT-TestloadMod
Here, it is possible to set the load stage that shall be approached in multistage opera-
tion:
Parameter SLT-TestloadStg
After a safety shutdown by safety limit thermostat locking or by a manual selection the
safety limit thermostat test can be deactivated again.
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