12 Culligan® Smart Controller (GBE) for Softeners and Filters
12 Cat. No. 01021161
24 V Transformer
The Smart Controller is powered by a 24 VAC/100 VA transformer. If there are multiple controls in the system being
installed, each controller will require its own transformer. It is recommended that the transformer be plugged into a
dedicated 120V circuit.
CAUTION! Connecting 24 V to the 2.5 V connection on the circuit board will damage the circuit
board.
CAUTION! To eliminate the possibility of polarity issues, carefully follow the wiring details shown
in Figure 13.
1. Connect one wire from the 24 V cable to the outermost 24 VAC transformer screw terminal (see Figure 13). The
other end of the wire should be connected to one of the 24 V terminals on the Smart Controller circuit board
(Figure 13) by way of the white connector.
2. Repeat the process for the other 24 V power supply wire attaching the second wire to the opposite terminal on
the transformer and next to the other wire connected to the 24V pins on the Smart Controller board.
Figure 13. Transformer and Smart Controller circuit board.
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