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Siemens Building Technologies
Basic Documentation LMV5...
CC1P7550en
HVAC Products
18 Addendum 3: Variable speed drive (VSD) module
13.08.2004
18.2 Differences to LMV51.200... and LMV51.000... /
LMV51.100
6.3.1 Menu structure
Selection of 1) will take you to:
S e l e c t i o n m e n u « G a s S e t t i n g s »
Only the data associated with the currently active type of fuel can be parameterized.
S p e c i a l P o s i t i o n s
1)
C
u
r
v
e P
a r
a
m
2)
L
o
a
d L i
m
i t s
3)
A
u
x
A
c t
u
a t
o
r
4)
Selection of 1) (
Home Pos, Prepurge Pos
...), 3) and 4) will take you to the standard
parameterizations of the specified parameters.
Selection of 4) will take you to:
S t a n d a r d p a r a m e t e r i z a t i o n « A u x i l i a r y A c t u a t o r »
Here, the function of the auxiliary actuator can be separately selected for each type of
fuel: deactivated / activeDamper / VSD active.
A
u
x
A
c t
u
a t
o
r
C u r r : d e a c t i v a t e d
N e w : V S D a c t i v a t
With «VSD active», the VSD takes the place of the auxiliary actuator (menus «Aux Ac-
tuator», «Auxiliary»). The available setting values reach from 0 to 100 %.
6.3.2 Changes when setting ratio control via manual control
The system extrapolates the VSD to a minimum speed of
10 %
and a maximum speed
of 100 %.
100 %
90°
7550d07e/0704
Pos.
Load
0 %
0°
AUX
FUEL
AIR
Igni
tio
n
=
lo
w fi
re
Change of load / position resulting from an automatically entered point
Special functions
Curve settings for
electronic ratio control