Bell & Gossett 193 TECHNOVAR VARIABLE SPEED PUMP CONTROLLER AND INTEGRATED AJUSTABLE FREQUENCY DRIVE - Manual (Page 50)

Operating Instruction
50
10.13 Sensor – Adjust
SENSOR_ADJUST?
Out of range
Zero point adjustment of the transmitter
Depressurise the system and press buttons +
simultaneously. After adjustment "adjusted" appears on the display. If “out of range” is shown
on the display, no adjustment is possible
Press on the Technovar to change to
10.14 Sensor - Curve
SENSOR-CURVE
Linear
Function of the input signal (4...20mA) of the
Technovar to the actual measured value.
Application:
linear:Pressure control, differential pressure control, level, temperature and flow control
(inductive or mechanical).
quadratic: Flow control with an orifice plate together with a differential pressure transmitter.
Press on the Technovar to change to
10.15 Setting of the measuring range
SENSOR RANGE
20mA = 362,6 psi
Setting the end value of the measuring transmitter,
e.g. 362 psi = 20mA of the pressure transmitter
Adjustable range: 20 mA = 100%; corresponds to the possible adjustable ranges:
PSI: 2.9 to 1450; GAL/MIN: 9 to 10560
FT: max 3345 ft. 0 to100 %; without unit: max 1000;
Press on the Technovar to change to
10.16 Operation Mode
MODE:
Controller
Select with the and buttons
If only one TECHNOVAR pump is in operation set the Controller. If more than one pump work
together via the RS485 interface (follow-up pump control), the Multicontroller must be set
with the buttons or .
Synch. Controller:
The Synchronous Controller mode is working in the same way like the Multicontroller. The
only difference is, that all pumps in the multipump system are running at the same frequency.
Actuator: