SubDrive/MonoDrive Connect
MonoDrive
The MonoDrive is designed to convert a conventional 1/2 hp (0.37 kW), 3/4 hp (0.55 kW)
or 1.0 hp (0.75 kW) pump system to a variable speed constant pressure system by simply
replacing the 3-wire control box and pressure switch. Maximum pump output using the
MonoDrive is similar to the performance achieved using a conventional control box.
Therefore, the pump selection criteria are the same as if a control box were used. Please
refer to the pump manufacturer's literature for details of the pump selection procedure.
If a pump and motor, as described above, are already installed in the system and the
well system components are in good working order, no further system upgrades are
required. However, if the existing pump and motor have not been properly chosen, or if the
components of the well system are not in good working order, the MonoDrive cannot be
used to correct the problem or extend the life of aging components.
Failure to match the configuration to the rating of the pump and motor may trigger
erroneous faults. See the Basic Set-up section of this manual for DIP switch information
and settings.
MonoDriveXT
The MonoDriveXT is designed to convert a conventional 1.0 hp (0.75 kW), 1.5 hp (1.1 kW)
or 2.0 hp (1.5 kW) pump system to a variable speed constant pressure system by simply
replacing the 3-wire control box and pressure switch. Maximum pump output using the
MonoDriveXT is similar to the performance achieved using a conventional control box.
Therefore, the pump selection criteria are the same as if a control box were used. Please
refer to the pump manufacturer's literature for details of the pump selection procedure.
If a pump and motor, as described above, are already installed in the system and the
well system components are in good working order, no further system upgrades are
required. However, if the existing pump and motor have not been properly chosen, or if the
components of the well system are not in good working order, the MonoDriveXT cannot be
used to correct the problem or extend the life of aging components.
Failure to match the configuration to the rating of the pump and motor may trigger
erroneous faults. See the Basic Set-up section of this manual for DIP switch information
and settings.
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