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Connecting the Power Source (cont.)
Connecting (optional) Rain Sensor
A rain sensor is a remote sensing device that can be
connected directly to your ECXTRA to interrupt auto-
matic watering operation during rain.
A sensor bypass switch is provided to enable the sensor
operation to be turned On and Off as needed.
When the rain sensor detects rain, it signals the ECXTRA
to suspend all watering operations. The “No Watering”
symbol will appear in the upper right corner of the dis-
play until the sensor drys out and automatically resets.
The
symbol will then disappear and timer operation
will resume as programmed.
1.
Route the two sensor wires from the device into the
timer housing through the access hole provided.
2.
Remove the plastic piece from the Sensor terminal
connectors. Connect the two sensor wires in any order.
MANUAL
START
ON
NEXT
OFF
6
5
3. Set the Sensor Configuration Switch (6) to NC
(Normally Closed) or NO (Normally Open) operation
as required by the type of sensor connected.
Note: Refer to the instructions provided with the rain
sensor to determine NO or NC switch type and for
additional installation and operating information.
4. Set the Sensor Bypass Switch (5) as required:
ENB
(enable) allows the rain sensor to interrupt watering;
DIS (disable) bypasses the rain sensor input.
IMPORTANT: Do not use the ENB switch position
with the NC switch position unless a Normally Closed
rain sensor is connected. Watering operation will be
suspended if this condition occurs.
13
BATTERY
MANUAL
START
ON
NEXT
OFF
PROGRAMS
B
CA