Surge Tank: Difference between revisions
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Matt Parnell (talk | contribs) |
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=== Modulating Drain Valve === | === Modulating Drain Valve === | ||
The modulating valve utilizes a motorized actuator to turn a butterfly valve on the drain return. The term "modulating" implies that the valve can be fully open, fully closed, or operating at a point in-between. | |||
==== Motorized Actuator ==== | ==== Motorized Actuator ==== | ||
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* The motor has an internal thermal trip set at 135 °C. | * The motor has an internal thermal trip set at 135 °C. | ||
* Terminals are sized for #22 AWG to #14 AWG. | * Terminals are sized for #22 AWG to #14 AWG. | ||
This actuator has been purchased as of January 2022 and is awaiting installation. | |||
Previously, a Bray 70-24-0201SVH-BBU was recommended. However, 24V operation, the internal 4-20 mA controller, and the battery backup unit (BBU) all add unnecessary cost. | |||
==== Valve ==== | ==== Valve ==== | ||
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This actuator has been purchased as of January 2022 and is awaiting installation. | |||