4-285
23-45 Given Modes of Flow Meters Feedback
Range
【0】: Disable
【1】: Analog Input
【2】: Pulse Input
23- 46 Maximum Value of Flow Meters
Range
【1~50000】GPM
23- 47
Target Value of Flow Meters
Range
【1~50000】GPM
23-00=2: HVAC
HVAC is enabled when the source of main frequency command (00-05) is set to 5 (PID given) and
PID mode is enabled (10-03).
23-45: Given Modes of Flow Meters Feedback
Modes of flow meters feedback is given by analog input (AI) or pulse input (PI) and flow meter
(12-71) displays feedback value. Refer to the instruction of parameter 23-05 for PID display.
23-46: Maximum Value of Flow Meters
Maximum value of flow meters is the maximum value set by the target value of flow meters for HVAC
system.
23-47: Target Value of Flow Meters
This function sets the target value of flow meters for HVAC system depending on the setting of
10-00 to 0 (PID target value source is set by keypad.)
23- 60
HVAC Unit Display (only for LCD)
Range
【0】: GPM
【1】: FPM
【2】: CFM
【3】: GPH
When 23-00=2, the LCD keypad dispays the unit upon the setting value by parameter 23-60 and unit
display of parameters 12-71,12-77,23-46,23-47 is switched at the same time.
23-48 Maximum Flow Value of Feedback
Range
【0.01~99.00】%
It is convenient for user to limit the maximum flow value depending on the different situations. When flow
feedback value is higher than the maximum flow value, the inverter will display warning signal and then
stops.
23- 49 Maximum Flow Warning Time of Feedback
Range
【0~255】Sec
When flow feedback is higher than the maximum flow limit, warning time of high flow starts to count. If the
flow feedback is lower than the maximum flow limit during counting time, the warning time will recount and
the inverter will display the warning signal of HFPb when the warning time ends.
23- 50 Maximum Flow Stop Time of Feedback
Range
【0~255】Sec
When the warning signal of high flow occurs and flow feedback is higher than maximum flow limit, stop
time of high flow starts to count. If flow feedback is lower than maximum flow limit during counting time, the
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