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4.3 How to mount door switches on double-door coolers
For double-door coolers, two door switches must be connected in
series.
Connect two door switches in series as follows:
1. Remove the two wires from one of the connectors. Be careful not to
damage the terminals.
2. Remove the white wire from the second connector.Again, be
careful not to damage the terminal.
3. Insert the white wire of the first cable into the connector of the
second cable ensuring that the terminal is in the correct orientation.
4. Connect the red wire from the first cable and the white wire from
the second cable together using a butt splice or similar.
The image on the right shows two door switches connected in series.