The Armstrong Design Envelope pump vs. variable speed drive mounted on a wall - white paper
The Armstrong Design Envelope IVS pump is a unique solution available with integrated controls up to 350HP / 250kW. Configuring a pumping solution to use integrated controls has many advantages over a traditional pump controlled by a variable frequency drive mounted on a wall. These advantages include:
- Selections save energy and cost.
- Impeller trim saves energy and cost.
- Superior Control.
- Smaller size motor and control.
- Wiring VFD mounting bracket savings.
- Harmonic distortion
- Emission and immunity requirements.
- Reflected wave voltage.
- Envelope selection reduces risk and cost.
- Energy metering Capability.
- Saves wall space.
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