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If the Soft Start has been deselected the display shows:
P
where: LS = means low speed mode is selected.
After starting, a LS appears on the right bottom corner of the
following displays:
S
P
1
N
and when the pump reaches the low speed value, display reverts to
N
With normal LOW SPEED operation, the pump will run at about 2/3
of its nominal speed and achieves a base pressure somewhat higher
than the standard specifications. If the gas load becomes higher, the
controller output frequency and voltage start to decrease
automatically, and the Turbo-V pump is slowed down in proportion
to the gas load until it reaches about 4 KRPM.
If the LOW SPEED mode is selected after normal operating condition
is reached, the display shows:
A
Turbo-V 700HT Controller User Manual / 87-900-877-01 (F)
U
M
P
R
S
T
A
R
T
O
F
T
S
[
-
-
-
U
M
P
I
2
X
X
O
R
M
A
L
X
X
O
R
M
A
L
2
8
P
P
R
O
A
X
X
Technical Information
E
A
D
Y
:
B
U
T
T
T
A
R
T
-
-
-
-
-
S
S
T
A
K
R
P
M
O
P
E
R
K
R
P
M
O
P
E
R
K
R
P
M
C
H
I
N
G
K
R
P
M
17
Use
P
U
S
H
O
N
L
S
O
N
-
-
]
L
S
R
T
I
N
G
L
S
A
T
I
O
N
L
S
A
T
I
O
N
L
S
L
S
L
S
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