Bell & Gossett 193 TECHNOVAR VARIABLE SPEED PUMP CONTROLLER AND INTEGRATED AJUSTABLE FREQUENCY DRIVE - Manual (Page 39)

Operating Instruction
39
...... = f
max
If Manual control is selected, the parameter REQUIRED VALUE will change to Manual
control LOCAL, where the actual frequency and the actual value is displayed (according to
the JOG-MODE in the submenu).
Now the frequency can be changed with the and buttons, and the speed of the pump
will change with the fasten ramps1 and 2. After selecting the right frequency, it can be
saved with the standard SAVE-parameter.
After a supply failure, the pump will then run with this selected frequency (depending on
the parameter AUTO-START).
In the first window, the actual frequency is displayed. The frequency can be changed
between the set minimum and maximum frequency. (CONFIG. FMIN is not active in this
mode!).
Attention Driving the pump in a not allowed speed range can damage the motor or the
Technovar-head!
Press the button five times and you reach SUBMENU
Seq. Control
Hold down the button for 3 seconds until the display
changes to
ACTU. VALUE INC.
5 psi
ACTUAL PRESSURE INCREASE (=LIFT VALUE):
This value, together with the fall value (ACTUAL VALUE DECREASE) determines the
increase of the required value after starting of the following pumps (see example)