Why is my heater light flashing?

A flashing supply light on any APS or EUR-5A control indicates a missing or broken High Temperature Limit sensor. This sensor is required to make the EUR-5A controller to work. The sensor is not polarized and must be connected to pins 1 and 2. Refer to figure 9 in the...

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What are the BEMC connections for?

BEMC stands for Building Energy Management Computer, which can be used to remotely monitor and control the EUR-5A controller. These connections are made to pins 10 through 16. The following diagram will aid in making these connections. See page 9 of EUR-5A manual....

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