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by msrocks
Thu Jun 06, 2019 6:52 pm
Forum: Help and Advice
Topic: EWC ST 2D zone one wont shut off until zone 2 does
Replies: 5
Views: 12412

EWC ST 2D zone one wont shut off until zone 2 does

Hi, I have a EWC ST 2D controller and a Honeywell 50061478-004 thermostat our oil guy installed in the winter. Now with the AC running, the first floor-zone 1 will keep running until upstairs zone 2 shuts off. The first floor is set to 74, and at 70 degrees it is still running. I'm not sure if it is...