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Building Technologies Basic documentation LMV37.4... CC1P7546en
7 Basic unit LMV37.4 17.12.2018
Heavy oil direct start
When firing on heavy oil, input X9-04 is used for the heavy oil direct start signal.
Parameter 286 can be used to define the time of the evaluation; parameter 287 to define
the maximum waiting time for heavy oil circulation.
No. Parameter
286
Oil: Evaluation of heavy oil direct start
0 = only start signal in phase 38
1 = evaluation in phase 38…62
287 Oil: Maximum time until heavy oil start signal
Error
code
Diagnostic
code
Meaning for the LMV37.4
23 2 Heavy oil direct start
For the input, a repetition counter can be parameterized. Here, it is possible to set the
number of errors that are permitted until lockout occurs (refer to subsection Repetition
counter).
No. Parameter
195
Repetition limit heavy oil direct start
1 = no repetition
2...15 = 1...14 number of repetitions
16 = constant repetition
Recharging time:
End of Shutdown phase
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