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    How to Wire a Pump Start Decoder

    H2O 2-Wire Decoders

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    Note

     If the pump start decoder is not pre-programmed you will need to program it at the controller BEFORE wiring.

    For instructions on how to program a pump start valve decoder, read: Programming a Pump Start Decoder for the WeatherTRAK 2-wire Controller


    1.  Connect the red and black wires on the decoder to the red and black wires from the 2-wire path that connects to the controller. It is critical that polarity be maintained.

    2.  Connect the gray wire from the Pump Start decoder to one wire from the 24VAC transformer.

    3.  Connect the other wire from the transformer to the relay.

    4.  Connect the white wire with the black stripe from the Pump Start decoder to the common wire on the relay.

    5.  Cap the gray wire with the black stripe.

    Warning

    The decoder wires must not have electrical contact with the soil or water. All connections must use DBR/Y-6 or equivalent moisture-resistant connectors. Install all connections correctly. Damage to the system will occur if these specifications are not followed.




    NOTE: The common wires cannot be shared between different decoders.