Manually depress the spindle at
the top of the Wireless Rain-Clik
Fig. 5
B. Is the rainfall actually hitting the
Wireless Rain-Clik™? Check for obstructions to
rainfall such as overhangs, trees or walls.
Adjustments and Operation
Operation Check to Verify Correct Wiring
Turn on one zone of the
irrigation system that is
visible while you are in
reach of the Rain-Clik™.
Manually depress the
spindle at the top of the
Rain-Clik until you hear
the switch "click" off
(See Fig. 5). The sprin
-
kler zone should stop instantaneously. If it does not,
check to see if is wired correctly. It is not necessary to
“wet” test the Rain-Clik, although it is an optional way
to test the operartion.
The Rain-Clik can keep the irrigation system from
starting or continuing after rainfall. The time that it
takes the Rain-Clik to reset for normal sprinkler opera-
tion after the rain has stopped is determined by weather
conditions (wind, sunlight, humidity, etc.) These condi-
tions will determine how fast the hygroscopic discs dry
out, and since the turf is also experiencing the same
conditions, their respective drying rates will roughly
parallel each other.
There is an adjustment capabil-
ity on the Rain-Clik that will slow
down the reset rate. By opening the
“vent” (see Fig. 6) to completely or
partially cover the ventilation slots,
the hygroscopic discs will dry more
slowly. This adjustment can com-
pensate for an “overly sunny” instal-
lation location, or peculiar soil conditions. Experience
will best determine the ideal vent setting.
Bypassing The Sensor
The Hunter ICC, Pro-C and SRC controllers are
equipped with a built-in bypass that allows you to
override an active sensor. For controllers not equipped
with this feature, should you desire to bypass the
operation of the Rain-Clik for any reason (i.e., turn on
your system even though the Rain-Clik has shut “off”
due to rainfall), there is a simple way to do this, add
our Bypass Switch Box (Model #BPSW). This mounts
on or next to the controller, and by simply moving the
switch, the Rain-Clik is bypassed.
Maintenance
There is no required maintenance for the unit. The
Rain-Clik does not have to be removed or covered for
“winterizing” purposes.
MINI-CLIK
®
RAIN SENSOR
Simple, Accurate, Rugged and Reliable Rain Sensor
In most installations, the Mini-Clik acts as a switch to
break the circuit to the solenoid valves of the irrigation
system when it has rained. This allows the timer to ad-
vance as scheduled, but keeps the valves from activat-
ing and allowing water to flow.
The Mini-Clik Rain Sensor automatically compen-
sates for the amount of rainfall that occurred before
reactivating. Hygoscopic discs absorb water and then
expand proportionally to the amount of rain that fell.
As the moisture-laden discs expand, they activate a
switch that interrupts the electrical circuit from the
controller to the valves. Once the Mini-Clik has dried
sufficiently, the switch closes again to allow for normal
operation. The time it takes the Mini-Clik to reset for
normal sprinkler operation after the rain has stopped
is determined by weather conditions such as sunlight,
wind, humidity, etc. These conditions will determine
how fast the discs dry out. The irrigated turf also ex-
periences the same conditions. So when the turf needs
more water, the Mini-Clik is already reset to allow the
sprinkler system to go at the next scheduled cycle.
Wireless Rain-Clik
™
/ Mini-Clik
®
Sensor
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