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Old 05-01-16, 09:10 AM   #5
Xringer
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In other pictures, it seems like two sensors were copper and one was black encapsulated.
U12A Universal air conditioner control system with PCB, wall mounted control and remote control

The "instructions" are just a couple of pictures..
The 4-way valve on my Sanyo is 230vac.. So, it seems like you should be able to use a step-down transformer. See Ebay..
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