WEG CFW11 Applications Manual page 29

Parameters Description
5.3.2 Minimum Output Pressure
This parameter group allows the user to configure the minimum output pressure detection for pump protection
activated by the CFW11 frequency inverter.
P1044 – Minimum Output Pressure
Adjustable 0.0 to 300.0
Range:
Properties: CFG
Access groups via HMI:
Description:
This parameter defines the minimum pressure value of the system to enter the minimum pressure condition.
In addition to the pressure, to enter a minimum pressure condition, the pump speed must be equal the
maximum speed. This condition is to avoid the interference of the voltage control, which can cause the system
pressure not to reach the minimum value, the solar radiation can be not enough to reach this value, without
involving a fault.
P1045 – Minimum Fault Pressure Time (F761)
Adjustable 0 to 3600 s
Range:
Properties: CFG
Access groups via HMI:
Description:
This parameter defines the time with the active minimum pressure condition, to generate the minimum
pressure fault (F761).
NOTE!
The system will stop if a fault message is generated. The value of this parameter at "0" disables
the fault.
5.3.3 Maximum Output Pressure
This parameter group allows the user to configure the maximum output pressure detection for pump protection
activated by the CFW11 frequency inverter.
P1046 – Maximum Output Pressure
Adjustable 0.0 to 300.0
Range:
Properties: CFG
Access groups via HMI:
Description:
This parameter defines the minimum pressure value of the system to enter the maximum pressure condition.
P1047 – Maximum Fault Pressure Time (F763)
Adjustable 0 to 3600 s
Range:
Properties: CFG
Access groups via HMI:
Description:
This parameter defines the time with the active maximum pressure condition, to generate the maximum
pressure fault (F763).
SPLC
SPLC
SPLC
SPLC
Application Default Setting: 0.0
Application Default Setting: 0 s
Application Default Setting: 10.0
Application Default Setting: 0 s
Solar Pump Drive | 29