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Marc s Dorizar Basic Refrigerant Circuit Course September 12, 2022, 10:16 pm
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In residential air handler/fan coils, it is common to use a high-voltage interlock between the blower and the electric heat strips to ensure that the blower comes on whenever the heat is on. The problem is that it CANNOT work the other way around where the heat comes on with the blower. Heat strips are […]Read more
What are Dry and Wet Contacts?
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