Xylem IM098 AQUAVAR Model 56 Controller - Manual (Page 34)

Boost The stated value determines the
course of the V/f-curve. Setting of the motor
starting voltage in % of rated voltage. Settings
of 0 – 25% of maximum output voltage are
possible. However, care should be taken that
settings are kept as low as possible so that the
motor does not become thermally overloaded.
Operation of the minimum frequency
If you have selected F –> 0 the frequency will
go down to the selected minimum frequency. Then
the inverter will run for the selected time, after this
time the AQUAVAR Model 56 Controller will
automatically stop.
With the selection F –> F
min
you can not run the
pump below the set minimum frequency. In the
controller actuator and multicontroller mode
the pump will never run below the set
minimum frequency (the pump will only stop
with the external on/off terminals or in case of
a failure).
F
min
Time After running the pump for this
selected time, the pump will stop, if parameter
12.6.5 is set on F => 0.
To enter or leave the submenu press the ➔ key longer than 3 seconds.
Submenu Controller To enter this menu you
have to press the key, to leave the menu,
press and hold the ➔ key longer than three sec.
Window – % This value indicates the max.
variation of the outgoing pressure
(ref. Ramp window). Possible setting: between
0% – 100% of required pressure.
Operator Custom Features and Displays
29
➔
BOOST
CONFIG. F
min
F ➔ F
min
F
min
Time
5 s
SUBMENU
CONTROLLER
WINDOW
10%