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Outdoor thermostat + Pump end switch
northlakes
Member Posts: 95
I’ve got a system circulator on a Hydronic/mod-con boiler system that I’d like to run constant-on during cold temps, due to a pipe run in the floor near a garage door.
In addition to controlling the circulator from the pump ES on the ZVC, I’d like to have an outdoor thermostat that provides a secondary path for the system circulator to run. Both switches may be closed at the same time, (below target temp AND call for heat, and this will often be the case on cold days.) The idea is to save some electricity in the shoulder seasons.
Does this circuit design seem right?
Does this circuit design seem right?
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Comments
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Jamie Hall said:Will it work? What powers the outdoor thermostat and RIB? I don't see a power source.0
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There’s a perimeter loop on the bottom floor with no zone valve and so yes it stays heated anytime there’s a call for heat in any zone. Not ideal but guessing previous owners pulled a valve out when the pipe froze at some point. hot_rod said:If you run it constantly and another zone calls for heat, won’t you be dumping heat to the garage?
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mattmia2 said:That would work. You might want to look closely at the manual of the boiler, some have freeze protection settings that might do this for you using the sensor for the ODR.0
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