7-1
7. Basic operations and indications/settings
This chapter mainly covers the details of operations/indications/settings.
7.1
Operating the pump
7.1.1
Selecting the operation mode
Select an operation mode with the
Operation
Selector
switch on the operation panel.
Table 7-1 Selecting the operation mode
Manual
Auto
Stop
“Manual mode”
Allows the user to manually operate each pump.
For the procedures, refer to “6.1 Check items related to manual operation.”
Manual
Auto
Stop
“Stop mode”
The pumps do not run under any circumstances.
Manual
Auto
Stop
“Automatic mode”
Automatically starts and stops the pump(s) on detecting a preset pressure in
the discharge piping or a preset flow rate for use with the pressure
transmitter, flow switches, or other means.
Normally, select this mode.
The system enables the setting of “Manual mode” or “Automatic mode” one second after the indicator light
comes on.
7.1.2 Manual
operation
In the “manual mode,” you can start and stop each pump with the
Confirm
# 1
Manual
Back
# 2
Manual
switches on the operation
panel. You can also change the operation frequency of each pump with the
switches on the
operation panel.
c
While the pump is not running, you can start the pump by pressing the corresponding Manual switch.
d
While the pump is running, you can stop the pump by pressing the corresponding Manual switch.
7.1.3 Automatic
operation
As soon as the “automatic mode” is enabled, the system starts the automatic operation.
For the procedures, refer to “6.2 Check items related to automatic operation.”
Note
When a pump is running in either mode (manual or auto), the system turns on
the corresponding operation indicator light in steady or blinking light and
outputs the operation signal.