Lamtec FMS Series, Manual

Page: 117 / 162

117
FMS Fault Correction Parameters (P)
Aids O control
2
P30
Parameter 896 0
Z
O regulation off
2
Level 0 1
Z
Standard regulator
2
Z
Without lag time
3
Z
Only display, neutral value is output
8
Z
Only display, base value for deactivated O regulation is output
2
9
Z
Only display, base value for air shortage is output
_____________________________________________________________________________________________________
P31
Parameters 897 If O regulation is perturbed, it is deactivated and the specified correction
2
901/902 value for "Deactivated O regulation” or "Air shortage” is output, depending
2
917/918 on the cause. The burner is not shut down.
Level 1 Parameter 897 is used to preselect whether the burner should be shut down
in the event of "Air shortage” errors.
Note: The specified base value for air shortage must be smaller than or
equal to the base value for deactivated O regulation.
2
Recommended settings:
Base value for deactivated O regulation < neutral value
2
Base value for air shortage < base value for deactivated O regulation
2
Note: The neutral value is obtained from the chosen correction mode:
Correction mode +50% / -50%
Z
neutral value 500 ^ 50%
Correction mode +60% / -40%
Z
neutral value 600 ^ 60%
See also the explanations on page 57.
ATTENTION!
It is necessary to ensure that the burner's operation is still stable with the
selected base values. These can be selected as follows in order to check
the combustion:
Parameter 896 set to
8
Z
correction input ^ base value for "Deactivated O regulation”
2
^ parameter 901/902
9
Z
correction input ^ base value "Air shortage”
^ parameter 917/918
___________________________________________________________________________________________________
P32
Parameters 898/899/900 See page 59, "Calculation and setting of control parameters”
Level 0
___________________________________________________________________________________________________
1000
0
C
o
rr
e
c
ti
o
n
v
a
lu
e
E
xc
e
s
s
a
ir
Base value for "O regulation deactivated”
2
Burner output
(load)
Base value for air shortage
i
i
!
Selection of regulation strategy:
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