Surge Tank: Difference between revisions

Surge Tank (view source)

Revision as of 11:27, 17 January 2022

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Matt Parnell

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-When the flow from the gutters is not sufficient (due to water level and/or a lack of waves), additional flow from the drain is required to maintain the surge tank level.  This is typically handled via a modulation valve on the drain inlet to the surge tank, controlled by a level monitoring mechanism (such as a float).  When a modulation valve is not present, flow much be restricted on the drain return and the pool level must be maintained to ensure some amount of gutter return is present.
 == Theory of Operation ==
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 == Troubleshooting ==
+When the [[Pool_Systems_Automation|automation system]] is operating properly, the surge tank is mostly self-sufficient.  However, the operator may still observe issues from time to time.
 === Low Water Level ===
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 When the surge tank is too low, this is typically due to one of more of the following reasons:
-* The pool water level is too low (when a drain return modulating valve is not present).  Fill the pool.
+* The pool water level is too low (the [[#Modulating Drain Valve|modulating drain valve]] is not present).  Fill the pool.
-* The drain return modulating valve is malfunctioning, if present.  Service the valve.
+* The [[#Modulating Drain Valve|modulating drain valve]] is malfunctioning, if present.  Service the valve and/or controls.
-* The main pump flow rate is too high.  Reduce the outlet flow rate (only after ensuring that other conditions are not present).
+* The main pump flow rate is too high.  Reduce the outlet flow rate as detailed [[Pool Main Pump Motor#Flow Adjustment|here]] (only after ensuring that other conditions are not present).
 When a drain return modulating valve is not present, it is important that the drain return is restricted (the valve is partially closed).  Otherwise, flow from the drain will potentially prevent adequate flow from the gutter return.  In an ideal case, the surge tank should always have a modulating valve on the drain return.