Bell & Gossett 193 TECHNOVAR VARIABLE SPEED PUMP CONTROLLER AND INTEGRATED AJUSTABLE FREQUENCY DRIVE - Manual (Page 43)

Operating Instruction
43
9 Parameters of the main menu
After connection of the Technovar unit to the power supply the following possible
displays become visible.
SW-Ver: VOG 120
Date: xxxx
The current software version with the date of
programming is displayed for about three seconds.
The following two displays are depending on the selected mode:
a) Active MODE = Controller:
1. ITT INDUSTRIES
XX.X psi
This window is mentioned several times in the
Operating Instructions as 1
st display at Mode Controller
Continue by pressing the -button
2. REQUIRED VALUE 1
X.XX psi
Set the desired set pressure with either or
and then briefly press the -button.
If several pumps are connected via the RS-485 interface, one pump must be ready for
operation when the set pressure is changed, otherwise the set value will not be accepted by
the follow-up pumps. Afterwards the new required pressure has to be saved in all pumps.
If you want to change to Required Value 2 you have to close the external contact,
connected to X1/10-X1/14.
After closing this contact, the display changes from Required value 1 to
2.1 REQUIRED VALUE 2
ADC-X XX.X psi
In this window, there is shown the condition of
the second Required value.
ADC-X: This parameter shows you the source of the external or internal value
XX.X Bar: shows the actual value of the Required Value 2.
Continue by pressing the -button
b) Active MODE = Actuator:
1. ITT INDUSTRIES
Frequency XX.X Hz
This window is mentioned several times in the
Operating Instructions as 1
st display at the Mode
Actuator.
Continue by pressing the -button
2. REQUIRED VALUE 1
X.XX psi
Set the desired set pressure with either or
and then briefly press the -button.
If several pumps are connected via the RS-485 interface, you have to set this parameter on
each pump!