7-4
7.4
Indications on the display
The items described in Table 7-4 can be displayed, through display switching procedures.
For the procedures, refer to each section shown in the “Reference page” column.
Table 7-4 List of display items
Display item
Description
Priority Category
Reference
page
Interlocking in
operation
This item shows that the system is currently
suspended by an interlock signal received from
an external source.
This message appears only when the interlock
function is activated.
c
Basic
information
7-5
Alarm appearing
Displays the code of a generated alarm.
This message appears only when an alarm
occurs.
If multiple alarms occur at the same time, the
displayed codes are switched every two seconds.
d
Basic
information
7-5
Freeze-proofing
underway
[This item appears only for freeze-proof
models.]
This message appears only when the
freeze-proofing cycle is in progress.
e
Basic
information
7-5
Pressure in discharge
piping
Displays the pressure in the discharge piping.
Unit of indication: Head meter [m
䡡
H
2
O]
f
Basic
information
7-5
Number of starts time
of the unit
Displays the number of starts of the unit on the
previous day.
The counter starts when the power is turned on.
When the counter exceeds 999, the indication
shifts.
-
Basic
information
7-5
Power voltage
Displays the power voltage detected in the
inverter section.
Unit of indication: [V]
-
Basic
information
7-5
Alarm log
Displays up to five incidents of the latest alarms.
-
Basic
information
7-5
7-6
Operation frequency
Displays the operation frequency of each pump
during automatic operation.
Unit of indication: Hertz [Hz] <with one decimal
place>
-
Pump
information
7-6
Preset frequency
Displays the preset frequency of each pump
during manual operation.
Unit of indication: Hertz [Hz] <in increments of 1
Hz>
-
Pump
information
7-7
Operation current
value
Displays the operation current value of each
pump.
Unit of indication: Ampere [A] <With one decimal
place>
-
Pump
information
7-6
7-7
Cumulative operation
time of the pump
Displays the cumulative operating period of each
pump.
Unit of indication: Hours
When the time exceeds 999 hours, the indication
shifts.
-
Pump
information
7-6
Cumulative number of
starts of the pump
Displays the cumulative number of starts of each
pump.
When the counter exceeds 999, the indication
shifts.
-
Pump
information
7-6
When the indication shifts, a dot “.” is inserted after the digit of thousands or millions.
