4-266
Group 23 Pump & HVAC Function Parameters
23- 00 Function Selection
Range
【0】: Disable
【1】: Pump
【2】: HVAC
【3】: Compressor *1
*1: It is new added in inverter software.
Select function of pump or HVAC via parameter 23-00. This function is enabled if PID control mode (10-03)
is enabled. Function of pump or HVAC affects PID target value and if parameter group 23 are enabled.
When 23-00=1, LCD keypad switches automatically the main screen monitoring (16-00) to operating
pressure setting (12-74), the sub-screen monitoring 1 (16-01) to pressure feedback value (12-75) and
sub-screen monitoring 2 (16-02) to output frequency (12-17).
When 23-00=2, LCD keypad switches automatically the main screen monitoring (16-00) to flow meter
target setting (12-77), the sub-screen monitoring 1 (16-01) to flow meter feedback (12-71) and sub-screen
monitoring 2 (16-02) to output frequency (12-17).
When 23-00=3, selection of main frequency command source (00-05) can be set except PID mode and
V/F curve is limited to F (01-00). Middle output voltage (01-07) is automatically set to the half of maximum
output voltage and parameter 01-00 will be hidden.
Notes:
- Refer to the setting value of parameter 23-05 for the display of LED keypad.
- When the control mode 00-00≠0 ((V/F mode), the selection of 23-00=1 (Pump) or 3 (Compressor) is
disabled. (It is new added in inverter software V1.4.)
Remarks 3: 23-00 and 24-00 are interlocked. If selecting function selection 23-00, then you
cannot select
Pump Control Function Selection 24-00. Vice versa. (V1.51 Newly Added)
23- 01 Setting of Single & Multiple Pumps and Master & Alternative
Range
【0】: Single Pump
【1】: Master
【2】: Slave 1
【3】: Slave 2
【4】: Slave 3
Set the inverter as the Master or Slave 1~3 via parameter 23-01. Refer to Fig.4.4.111 for the functional
process of dual pump start to enable multiple pumps in parallel. It is required to reconnect to write in the
parameter after it is set.
23- 02
Operation Pressure Setting
Range
【0.10 ~ 650.00】PSI
Set the pressure value depending on the pressure transmitter of pump system after setting 10-00 to 0
(keypad given).
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