Pool Boiler Temperature Controller: Difference between revisions

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== User's Guide ==
== User's Guide ==
The temperature of the boiler's manifold is shown as the largest value on the display, in degrees Fahrenheit.  A graphical bar below the measured shows the value relative to the typical minimum and maximum operating thresholds.


=== Operating States ===
=== Operating States ===
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==== Normal Operation ====
==== Normal Operation ====
The simulated screen captures below show various operating conditions that the user may encounter.  The measured temperature and thresholds shown may vary.


During normal operation, no user intervention is required.
During normal operation, no user intervention is required.


The OP1 and OP2 beacons at the top of the display indicate that both [[#Stage 1| Stage 1]] and Stage 2 heat are enabled.
The <tt>OP1</tt> and <tt>OP2</tt> beacons at the top of the display indicate that both [[#Stage 1| Stage 1]] and [[#Stage 2| Stage 2]] heating are enabled.  At this time, no feedback is provided to the temperature controller to identify if either stage is active; external conditions/faults may prevent firing stages.
 
==== No Stage 2 ====
 
The boiler temperature is greater than the [[#Stage 2| Stage 2]] threshold, and [[#Stage 2| Stage 2]] is disabled as a result.
 
The [[#Stage 2| Stage 2]] threshold is the temperature value to the right of the <tt>Stg2</tt> identifier on the display, and should typically be set to TBD.
 
If this state is active, it may be desirable to adjust the recirculation valve positions.  Since operating only in [[#Stage 1| Stage 1]] produces less heat, the ability to heat the pool is reduced.  This is primarily an issue where the amount of heat loss in the pool exceeds the capability of [[#Stage 1| Stage 1]] heating (i.e. the pool cools faster than it can be heated).  Consult with [[Board_Building_and_Grounds Building and Grounds]] if needed to properly adjust the valve positions.


=== Changing Thresholds ===
=== Changing Thresholds ===
=== Other Buttons ===
The "A/MAN" and "RUN/HOLD" buttons are not presently active.  Pressing either button has no effect upon operation.


== Theory of Operation ==
== Theory of Operation ==

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