Toro Rain Sensor Connection
Installation of the Toro TWRS rain sensor or TWFRS rain/freeze sensor sensor is recommend for best results.
Note: If a rain sensor is NOT connected, the Sensor switch must be in the BYPASS position. If the Sensor switch is placed in the ACTIVE position without a rain sensor connection, the controller will be placed in a rain hold mode, and all operation will be suspended. The following screen will be displayed:
Aug 08 2007 10:58:42am
RainSwitch M:
1.Remove one of the auxiliary wiring access plugs rom the bottom of the cabinet and insert the rain sensor connection cable.
2.Connect the Brown and White wires to the Ran Sensor terminal block as follows: Lift the terminal block lever, insert the bare wire, then secure the wire by pushing the lever down.
3.Connect the Red 24 VAC wires to the 24 VAC transformer wire terminal block.
4.Refer to rain sensor user guide for complete setup and operating information.
Note: When the rain sensor is active, the screen shown above will be displayed. To bypass rain sensor operation at any time, place the Sensor switch in the Bypass position.
Rain
24 VAC
White
Brown
Red
Red
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