I have 2 temp controllers one is the standard plug and play johnson. the other is a dayton that looks similar to the johnson except the temp probe is a small coil mounted to the controller body and it has no cord. I opened the johnson thinking I would just copy how it was wired but the relays are different. the johnson is a 2 wire relay with case ground where the dayton is a 3 wire relay with case ground. I plan on using a 16 amp extension cord to wire the dayton which is rated at 16 amps also. The house circuit is standard 15 amp so I'm not worried about burning anything. The connectors in the dayton are labeled red, blue, and yellow. The plate inside the cover states:
opens red to blue on increase
red-common
blue-opens high
yellow-opens low
they way I have this figured is that the common from the freezer and the extension cord both go to red. The line from the freezer goes to either blue or yellow and the line from the extension cord goes to the connector not used by the freezer line. I think this will work but I don't understand the opens hi and low part, and not sure it matters since its AC. can anyone help me on this?
opens red to blue on increase
red-common
blue-opens high
yellow-opens low
they way I have this figured is that the common from the freezer and the extension cord both go to red. The line from the freezer goes to either blue or yellow and the line from the extension cord goes to the connector not used by the freezer line. I think this will work but I don't understand the opens hi and low part, and not sure it matters since its AC. can anyone help me on this?