Freeze Protect Behavior & Question #1057
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We're finally getting cold enough at night for freeze protection circuit to kick in shortly before sunrise. Hopefully, the current cold snap will end soon & the freeze protection won't kick in much longer. I don't shut down the pool so the "normal" schedules don't get modified in the winter, even though I don't bother to heat the pool and use the pool until March, typically. The last two mornings, freeze protection kicked in for an hour or two & then the air temperature was sufficient to turn it off. On my pool, freeze protection kicks in when there's a reported air temperature about 35.4 F. I assume, but have not verified, it turns off when the air temperature sensor reports something warmer than 34.5 F, although it may be a bit warmer. In any event, this week the freeze protection has turned on around 6:00 AM and turned off shortly after 8:00 AM. My pool is scheduled to turn on the filter pump at 8:00 AM. And that's where my question & challenge lie. It appears that if freeze protection turns off shortly after 8:00 AM, it turns off the filter pump to my pool. I don't know just when after 8:00 this occurs, however. Under these conditions, or really any time the filter pump is scheduled to be on, I don't want freeze protection to turn off the pump. Is there something I need to do to prevent the freeze protection circuit from turning off the pump during "normal" operation of the pool? Thanks for your help! |
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Schedules are only evaluated at the start and end times. So if freeze protection runs until 8:01 and then ends it will turn off the pump. The schedule that starts at 8am can't control anything that happens after this. The same effect would happen if the schedule does turn on the pump at 8am and then you manually turn off the circuit at 8:01. The only solution here is to start the pump later in the morning or have a second schedule that also turns the pump on, but later in the morning (eg 8:30 or 9am). There is no control to tell freeze protection to leave the pump running. |
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Thank you for the explanation. I thought that might be the way it worked. Just have to hope for warmer weather soon. It seemed odd that freeze protection turned off about the time the pool was scheduled to turn on. Happened again this morning. EZ fix, just turn the pool back on. :-) |
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Schedules are only evaluated at the start and end times. So if freeze protection runs until 8:01 and then ends it will turn off the pump. The schedule that starts at 8am can't control anything that happens after this. The same effect would happen if the schedule does turn on the pump at 8am and then you manually turn off the circuit at 8:01.
The only solution here is to start the pump later in the morning or have a second schedule that also turns the pump on, but later in the morning (eg 8:30 or 9am).
There is no control to tell freeze protection to leave the pump running.