How can I see what each thermostat is requesting?

When a thermostat request arrives at the Arzel® panel it lights up its zone LED's to visually indicate the type of service that each zone is requesting. By simply looking at the board, you can readily see what type of service is requested by each zone. This will save technician time, and running up and down steps to see the thermostat position. This easily verifies actual thermostat request. The LED's also easily identify wiring or thermostat mix-ups.

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