Details about Function Parameters
113
Number of auxiliary pumps:
These are pumps working only at a line frequency.
Startup mode of auxiliary pumps:
“0” means direct startup. It is suitable for only pumps of a
smaller power (30kW and below). “1” means startup by soft starter. A pump of a larger capacity
must not be directly started at a line frequency; rather, a soft starter is required and digital output
or relay output must be configured to control the startup/shutdown of the soft starter. Refer to the
table of definitions of digital output functions on Page 58.
CAUTION: The number of main pumps and auxiliary pumps must be configured
according to the number of relays. The inverter has 5 inbuilt relays and expansibility allows
for11 relays in all (Main pumps + Auxiliary pumps
≤
5). When the total number of main pumps
and auxiliary pumps exceeds 5, the number of auxiliary pumps=5
－
Number of main pumps
(The system configures the main pumps as a priority. For example, if there are 2 main pumps
and 2 auxiliary pumps, the serial number of the main pumps will be #1 and #2 and the serial
number of the auxiliary pumps will be #3 and #4).
Sleeping and sleeping pump options:
Pumps with a smaller capacity than the main pump are
used as the sleeping pump. If the water consumption is very small, the sleeping pump is a more
energy-saving option. Refer to the description of the sleeping function on Page 75.
Drainage pump option:
A liquid level detector or transducer is installed for the wastewater pool
to control the operation of the drainage pump.
Refer to the application cases in Chapter X
PID lower limit options:
When “0: operation shut down” is selected, if a single pump is
operating at a lower frequency limit but the feedback value is still greater than the set value, the
pump will stop operation. In some cases, the shutdown of all pumps is not allowed. Even if a
single pump is working at a lower frequency limit but the feedback value is still greater than the
set value, “1: operation maintained” must be set.
Fault action options:
Several action options are provided. If 1 or 2 is selected, in the case of an
inverter fault or an external fault, the pump already working at a line frequency will be
maintained in operation. When the contactor detects a fault, this function will be ineffective.
F8-02
Fault and PID Lower Limit Options
Factory
Setting
s
00
Modification
×
Units digit: PID lower limit options
0: Operation shutdown 1: Operation maintained
Setting
Range
Tens digit: Fault action options
0: All pumps are shut down and in fault status
1: The pump in line frequency operation resumes operation after a fault reset
2: The pump in line frequency operation are on standby after a fault reset
F8-03
Clean Water Pool/Waste Water
Pool Level Signal Options
Factory
Settings
00
Modification
○
Summary of Contents for SB200 Series
Page 4: ......
