Hit Products HDC Controller - Manual (Page 6)

6
Remove lower cover.
Route the 2 wires from the sensor to the bottom of
the controller and connect one each wire to the two
“RS” terminals.
If the “RAIN SENSOR” switch on the front of the
faceplate is in the “ON” position and no sensor is
connected. The display will show a flashing “SEN-
SOR” and no irrigation will occur. To override the
problem when no sensor is connected-always leave
the “RAIN SENSOR” switch on the front panel in
the “OFF” position.
1)
2)
3)
SENSOR WIRING
A rain sensor or any other type of normally closed
micro-switch sensor may be used in conjunction
with this controller. Sensor activation will interrupt
controller output.