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ENGLISH
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Appendix A: Connecting to a Rain Sensor,
Pump Start or Master Valve
Rain Sensor and the Rain Sensor Bypass
Switch (sensor sold separately)
A rain sensor or other type of micro-switch weather sensor may be
connected to the sprinkler timer. The purpose of the sensor is to
stop watering when precipitation is sufficient.
CONNECTING A RAIN SENSOR
• Connect the rain sensor wires to the wiring terminal ports
(beige in color) labeled “Sensor” [See Figure A1]
Note: Refer to your rain sensor manual for specific wiring instruc-
tions.
• Place the sensor on/off switch to the “on” position to begin
operation.
RAIN SENSOR BYPASS
This sprinkler timer is equipped with a sensor override “on/off”
switch. This switch is for use during maintenance and repairs, so the
sprinkler timer can be operated even if the rain sensor is in active
mode.
IMPORTANT: If the rain sensor switch is in the “on” position and no sen-
sor is connected, the sprinkler timer will not operate. To resume sprinkler
timer operation place the switch in the off position
PUMP START & MASTER VALVE
This sprinkler timer allows a master valve or pump start relay to
operate whenever a station is on.
Note: If you are activating a pump from this timer, you must purchase a
Pump Start Relay.
From the pump start relay (or master valve); connect one wire to the
“Pump” terminal and the other wire to the “Common” terminal. [See
Figure A2]
Controller
Cycle Start Time
Irrigation Valve,
Automatic
Master Valve
Multiple Start Times
Overlapping Programs
Program (A, or B)
Rain Delay
Solenoid
Sprinkler Timer
Station
Valve
Watering Option
Watering Program
Zones
TERM DEFINITION
See sprinkler timer
The time the program begins watering the first station
Used in conjunction with sprinkler timers and are a convenient way of delivering water to lawns,
plants and gardens
A valve that prohibits water from reaching "Station Valves"
A feature that allows a program to be operated multiple times on the same day
When a "Start Time" is set before the previous program has completed
Consists of 1 or more "Start Time(s)," a "Watering Option" (Days of Week, Interval or Odd/Even Days)
and which stations will water
A feature that prevents the sprinkler timer from running its scheduled watering program for a
specific duration
The electrical part on an irrigation valve that opens and closes the valve
A device that is responsible for turning an automatic irrigation system on and off
An area where the irrigation is all controlled by a single control valve
See irrigation valve
Consists of Days of Week, Interval or Odd/Even Days use in programming
See program
See station
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