Hunter Wireless Rain-Clik Original instructions

Rain-Clik®
OWNER’S MANUAL &
INSTALLATION INSTRUCTIONS
Rain Sensor With Optional Freeze
Shuto for Automatic Irrigation Systems
For use with WR-CLIK and WRF-CLIK Sensors

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h t t p : // hunter.direct/wrc 1-800-733-2823
Need more helpful information on your product? Find tips on installation, controller programming, and more.

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Table of Contents
Table of Contents
5Features
6Wireless Rain-Clik Components
6...Wireless Rain-Clik Transmitter
7...Wireless Rain-Click Receiver
8Mounting the Receiver
8...Wiring the Receiver to a Hunter X-Core®, Pro-C®,
PCC, ICC2, or I-Core®
8...Wiring the Receiver to a Hunter ACC or ACC2
9...Wiring the Receiver to a HydrawiseTM -Enabled
Controller
9...Wiring the Receiver to Other Controllers: Normally
Closed Sensor Applications
10 ...Normally Open Sensor Applications
10 ...Controllers with 24 VAC Solenoids and a
Booster Pump
11 ...Standard Mounting
11 ...Gutter Mounting (Optional)
12 Adjustments and Operation
12 ...Hints for Mounting the Transmitter
12 ...Transmitter Operation
12 ...Receiver Operation
13 ...Bypassing the Sensor
13 ...Setting the Transmitter Address at the Receiver
14 ...Battery Life
14 ...To Check the Status of the Battery in the Transmitter
14 ...System Will Not Turn On at All
14 ...System Will Not Shut O Even Aer Heavy Rainfall
14 ...Sensor Bypass LED is Flashing Red
15 Notices
15 ...Sensor FCC ID: M3UWRCE
16 ...Certicate of Conformity to European Directives
17 ...CE and Australia Notice
18 ...Industry Canada Notice
19 Notes

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Features
Wireless Rain-Clik sensors attach quickly and easily to
your controller.
Wireless Rain-Clik features include:
1. Quick Response®– Unique technology that turns o
the irrigation system immediately rather than aer it
has accumulated a xed amount of rain. No calibration
is required.
2. Maintenance-Free Design – Provides trouble-free
operation for up to 10 years. There are no batteries to
replace.
3. Wireless Operation Up to 800' (275 m) – No wires are
required between the rain sensor and controller.
4. Two models available: Wireless Rain-Clik (WR-CLIK)
– Acts as a switch to deactivate automatic watering
of your irrigation controller when it rains. Once rain
has stopped and the sensor has dried out, automatic
irrigation will resume.
5. Wireless Rain/Freeze-Clik (WRF-CLIK) –The Wireless
Rain/Freeze-Clik includes a freeze sensor that is
designed to keep the irrigation system from operating
when temperatures drop to 37˚F (3˚C) or below. When
temperatures rise above this temperature, the sensor
will enable automatic watering.
6. Automatic Synchronization – The Wireless Rain-Clik
transmitter will send wireless signals every hour to
the receiver to ensure that the sensor and receiver are
continuously synchronized.
7. Lost Communication/Battery Status Indication – The
Sensor Bypass LED will ash RED if the receiver has not
received a signal from the transmitter. This can indicate
a low or dead battery.

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Wireless Rain-Clik Transmitter
1. Manual Test Spindle – Press and hold the manual test
spindle to conrm proper operation of your transmitter.
2. Vent Ring – Used to adjust the reset rate or dry out
time for the sensors. Opening the vents will decrease
the reset rate, while closing the vents will increase the
time it takes for the discs to dry out.
Wireless Rain-Clik Components
3. Radio Antenna – Transmits a wireless signal to the
receiver up to 800'(275 m). The antenna should be
oriented vertically.
②
①
Vents
4. Mounting Arm – Metal
extension arm for mounting
the sensor.
5. Battery Status LED – Used to
determine the status of the
sealed battery. Pushing the
manual test spindle will flash
the LED light indicating that
the battery is good.
④
③
⑤

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Wireless Rain-Clik Components
Wireless Rain-Clik Receiver
1. Bypass Button – Allows automatic or manual watering
when the sensor is active.
2. Sensor Bypass LED – Indicates when sensor has been
bypassed.
3. Sensor Status LED – Used to indicate the status of the
sensor.
4. Radio Antenna – Receives a wireless signal from the
transmitter up to 800'(275 m). The antenna should be
oriented vertically.
5. AC Power Wires – The two yellow wires are attached to
a 24 VAC source from the controller.
6. Sensor Wires – The sensor wires are attached to either
the sensor terminals in the controller or in-line with the
valve common wire.
Blue/White Wires – Used for normally closed sensor
applications.
Blue/Orange Wires – Used for normally open sensor
applications.
7. Rubber Cover – Used to protect the receiver when
mounted in outdoor locations. White
Blue
Yellow to 24 VAC power
Orange
SENSOR STATUS
SENSOR BYPASS
Press to bypass, press
again to re-enable
GREEN = Sensor is dry
RED = Sensor is wet
Red light indicates
sensor is bypassed
RAIN SENSOR BYPASS
Blue/white wires to normally
closed sensor terminals
Orange/w
hite wires to normally
open sensor terminals
2
3
5
6
4
1
7

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Wiring the Receiver to a Hunter X-Core, Pro-C,
PCC, ICC2, or I-Core
1. Remove the sensor jumper across the two SEN
terminals in the controller.
2. Attach the two yellow wires to the 24 VAC terminals.
3. Attach the blue wire to one SEN terminal and the white
wire to the other SEN terminal.
Mounting the Receiver
Wiring the Receiver to a Hunter ACC or ACC2
1. Connect the blue and white wire to any of the four
Sensor Terminal pairs (Sen 1 shown).
2. Attach yellow wires to 24 VAC and COM terminals.
3. Use features at the “Set Sensor Operation” dial position
on ACC to complete setup.
4. Use Devices and Sensor Response options
on ACC2 to complete setup.
5. See ACC/ACC2 owner’s manuals for
further details.
SEN
SEN
C
TEST
P MV
AC
AC
G
REM
B
W
Y
Y
O
Not used
SENSOR STATUS
SENSOR BYPASS
Press to bypass, press
again to re-enable
GREEN = Sensor is dry
RED = Sensor is wet
Red light indicates
sensor is bypassed
RAIN SENSOR BYPASS

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Mounting the Receiver
Wiring the Receiver to a HydrawiseTM -Enabled
Controller
1. Attach the two yellow wires to the 24 VAC terminals.
2. Attach the blue wire to one SEN terminal and the white
wire to the SEN COM terminal.
Wiring the Receiver to Other Controllers: Normally
Closed Sensor Applications
3. Attach the two yellow wires to the 24 VAC terminals.
4. Attach the blue and white wires to the sensor terminals
(if available) or in-line with the valve common wire.
P MVC AC AC
W
B
Y
Y
O
Common wire
to all valves
Used for normally
open sensor
applications
SENSOR STATUS
SENSOR BYPASS
Press to bypass, press
again to re-enable
GREEN = Sensor is dry
RED = Sensor is wet
Red light indicates
sensor is bypassed
RAIN SENSOR BYPASS
ACAC GND SEN SEN
SEN
COM
W
B
Y
Y
O
Common wire
to all valves
Used for normally
open sensor
applications
SENSOR STATUS
SENSOR BYPASS
Press to bypass, press
again to re-enable
GREEN = Sensor is dry
RED = Sensor is wet
Red light indicates
sensor is bypassed
RAIN SENSOR BYPASS

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Mounting the Receiver
Normally Open Sensor Applications
A few controllers on the market require normally open rain
sensors. To attach the receiver to this type of controller,
attach the blue and orange wires to the sensor input.
Controllers with 24 VAC Solenoids and a Booster
Pump
1. Locate the common wire to the solenoid valves and the
common wire to the pump relay. If these two wires are
connected to the “common” terminal on the controller,
disconnect both of them.
2. Twist together these wires along with one of the wires
from the Wireless Rain-Clik and secure with a wire nut.
3. Attach the other wire from the Wireless Rain-Clik
receiver to the “common” terminal on the controller.
Normally
open relay
12 34C
Solenoid
valves
Common
wire to all
valves
Pump
or
MV
Line-in
Line-out (to pump)
ACAC
Y
Y
W
B
SENSOR STATUS
SENSOR BYPASS
Press to bypass, press
again to re-enable
GREEN = Sensor is dry
RED = Sensor is wet
Red light indicates
sensor is bypassed
RAIN SENSOR BYPASS
Note:
The pump circuit output must be 24 VAC. Do not
proceed if 115 VAC.

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Mounting the Receiver
Standard Mounting
Using the screws provided with your sensor, mount the
transmitter on any surface where it will be exposed to
unobstructed rainfall, but not in the path of sprinkler
spray. The sensor should be oriented upright (as pictured),
but the swivel bracket can be moved for mounting on
any angled surface. Loosen the locknut and screw before
swiveling the bracket, and then re-tighten.
Gutter Mounting (Optional)
The sensor gutter mount can be purchased as an optional
accessory for your Wireless Rain-Clik (order p/n SGM).
The SGM allows the transmitter to be mounted directly to
the edge of a gutter. Install the SGM on the transmitter
by removing the metal extension arm supplied with your
sensor and reinstalling the SGM. Position the gutter mount
on the edge of the gutter and twist the thumbscrew to
secure it in place.
SGM
SGM
Standard Mount Gutter Mount

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Adjustments and Operation
Hints for Mounting the Transmitter
• Choose a location such as the side of a building or post.
The closer the transmitter is to the receiver, the better
the reception. Do not exceed 800'(275 m).
• To ensure maximum range in communication, mount
the receiver and transmitter away from sources
of electrical interference (e.g., control panels,
transformers, etc.) or metal objects. Best performance
is obtained when no physical obstruction is between
the transmitter and receiver.
• Correct placement of the Wireless Rain/Freeze-Clik®
model is important for accurate temperature sensing.
The best location would be out of direct sunlight.
• The reset rate refers to the amount of time it takes
for the sensor to dry out suciently for the sprinkler
system to be allowed to come back on. The mounting
location will aect this rate. For example, mounting
the transmitter in a very sunny location may cause
the sensor to dry out sooner than desired. Similarly,
mounting the sensor in constant shade may keep the
sensor from drying out sooner.
Transmitter Operation
There is nothing to set up with the Wireless Rain-Clik.
Receiver Operation
The receiver has two LED lights that indicate the state of
the system.
1. SENSOR STATUS LED:
RED – Sensor is wet (watering
disabled)
GREEN – Sensor is dry
(watering enabled)
YELLOW – Sensor is in
addressing mode
2. SENSOR BYPASS LED:
RED – Rain sensor is bypassed (even though the sensor
is bypassed, the STATUS LED will continue to alert you
of the state of the sensor — wet or dry)
OFF – Rain sensor is enabled
FLASHING RED – Indicates that communication
between the transmitter and receiver was lost
SENSOR STATUS
SENSOR BYPASS
Press to bypass, press
again to re-enable
GREEN = Sensor is dry
RED = Sensor is wet
Red light indicates
sensor is bypassed
RAIN SENSOR BYPASS
Note:
When you rst apply power to the receiver,
the SENSOR STATUS LED will be RED. Press
the manual test spindle on the transmitter
for ve seconds and release the spindle. The
SENSOR STATUS LED will turn GREEN indicating
proper operation.

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Adjustments and Operation
Bypassing the Sensor
The sensor can be bypassed by using the built-in bypass
feature on the receiver. To bypass the sensor, press the
SENSOR BYPASS button on the receiver. The bypass
status light will turn red when the sensor is bypassed.
Pressing the SENSOR BYPASS button again will re-enable
the sensor and the sensor bypass light will go out.
Setting the Transmitter Address at the Receiver
Each transmitter is produced with a unique address.
A receiver must learn this address to work with that
transmitter. This step is only necessary if transmitters and
receivers are purchased separately.
Note:
Units purchased as a kit will already have their
communication address preset. No addressing is
necessary, however, if the receiver or transmitter
is replaced you need to reset the address.
1. Prior to applying power (yellow wires) to the receiver,
press and hold the bypass button on the receiver.
2. While the bypass button is depressed, apply power to
the receiver. The sensor status indicator light should
light up yellow indicating that the receiver is ready to
learn a new address.
3. Press and hold the quick response button on the
transmitter.
4. Within four seconds, the receiver’s sensor status
indicator light should turn red. The receiver has now
learned the address and it will be retained even in the
event of a power outage.
5. Release the button on the transmitter. The sensor
status indicator light should turn green.
LED light

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Adjustments and Operation
Battery Life
The Wireless Rain-Clik transmitter is designed to
operate up to 10 years with its sealed, maintenance-free
battery. The transmitter is available as a replacement
part (WRCLIK-TR). Should you need to change the
transmitter, the receiver will have to learn the new
transmitter address.
To Check the Status of the Battery in the
Transmitter
1. Press and hold the quick response spindle at the top of
the sensor.
2. Within a few seconds the LED light on the bottom of
the sensor will briey ash.
3. Release the spindle and the LED light will ash again. If
the LED ashes, the battery in the transmitter is good.
If you are experiencing problems with your Wireless Rain-
Clik sensor, follow these simple checks rst before
assuming the unit is defective and replacing it.
System Will Not Turn On at All
• Check to make sure that the sensor discs are dry and
the switch “clicks” on and o freely by pressing the
top of the spindle.
• Look for breaks in the wire leading to the receiver and
check all connections.
• Verify outside air temperature (for Rain/Freeze-Clik
installations).
System Will Not Shut O Even Aer Heavy Rainfall
• Remove the sensor jumper across the two SEN
terminals. Check to make sure that rainfall is hitting
the sensor.
• Look for breaks in the wire leading to the receiver and
check all connections.
• Check the battery in the transmitter.
Sensor Bypass LED Is Flashing Red
• Check that the battery in the transmitter is good.
• Check for obstructions around the transmitter or
receiver antenna.

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Notices
Sensor FCC ID: M3UWRCE
This device complies with FCC rules Part 15. Operation is
subject to the following two conditions:
• This device may not cause harmful interference and
• This device must accept any interference received,
including interference that may cause undesired
operation.
This equipment has been tested and found to comply
with the limits for class B digital devices, pursuant to part
15 of the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference in a
residential installation. This equipment generates, uses,
and can radiate radio frequency energy and if not installed
and used in accordance with the instructions, may cause
harmful interference to radio communications. However,
there is no guarantee that interference will not occur in
a particular installation. If this equipment does cause
harmful interference to radio or television reception,
which can be determined by turning the equipment
on and o, the user is encouraged to try to correct the
interference by one or more of the following measures:
• Reorient or relocate the receiving antenna
• Increase the separation between the equipment and
the receiver
• Connect the equipment to an outlet on a circuit
dierent from that to which the receiver is connected
• Consult the dealer or an experienced radio/TV
technician for help
The user is cautioned that changes and modications
made to the equipment without the approval of the
manufacturer could void the user’s authority to operate
this equipment.

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Notices
FCC Declaration of Conformity
This equipment has been tested and found to comply
with the limits for class B digital devices, pursuant to part
15 of the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference in a
residential installation. This equipment generates, uses,
and can radiate radio frequency energy and if not installed
and used in accordance with the instructions, may cause
harmful interference to radio communications. However,
there is no guarantee that interference will not occur in a
particular installation.
If this equipment does cause harmful interference to
radio or television reception, please refer to you user’s
manual for instructions on correcting the problem. The
undersigned, hereby declare that the equipment specied
above conforms to the above requirements.
Trade Name Wireless Rain/Freeze-Clik
Model Number WR-Clik-R
Compliance Test Report Number B0021703
Compliance Test Report Date 29 Jan 2010
Responsible Party Hunter Industries
Incorporated
Address 1940 Diamond St,
San Marcos, CA 92078
Telephone [phone]
Andrew Bera, Senior Regulatory Compliance Engineer
Place San Marcos, CA
Date October 25, 2017

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Notices
CE and Australia Notice
Hunter Industries hereby declares that this remote control
device is in compliance with the essential requirements
and other relevant provisions of Directive 2014/30/EC.
Declaration of Conformity: We, Hunter Industries
Incorporated, 1940 Diamond Street, San Marcos, CA
92078, declare under our own responsibility that the
Wireless Rain/Freeze-Clik, model numbers WR-Clik-TR,
WRF-Clik-TR and WR-Clik-R, to which this declaration
refers, conforms with the relevant standards:
Emissions:
• ETSI EN 300 220-1 V3.1.1
• ETSI EN 300 220-2 V3.1.1
• ETSI EN 301 489-1 V2.2.0
• ETSI EN 301 489-3 V2.1.1
Andrew Bera, Senior Regulatory Compliance Engineer
Place San Marcos, CA
Date October 25, 2017

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Notices
Industry Candada Notice
Sensor - IC:2772A-WRCE
Receiver - IC:2772A-WRCER
Operation is subject to the following two conditions:
• This device may not cause harmful interference and
• This device must accept any interference
received, including interference that may cause
undesired operation.
MAXIMUM OUTPUT POWER
Frequency Band
(MHz)
Maximum
Power (mW)
433.05 - 434.790 0.1
CE NOTICE: This notice applies only to models
WR-CLIK and WRF-CLIK
Important Notice: Low power RF product
operating in 869.700-870.000 MHz band for
indoor or outdoor home and commercial use.
AUS BDK FIN Member states in the EU with restrictive
use for this product are crossed out.
F D GR IRE
ILUX NL P
E S UK

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Notes

23-594-OM-WRC-US 2/18© 2018 Hunter Industries Incorporated
RESIDENTIAL AND COMMERCIAL IRRIGATION |Built on Innovation®
Hunter Industries Incorporated
1940 Diamond Street, San Marcos, California 92078, USA
www.hunterindustries.com
Helping our customers succeed is what drives us. While our passion for innovation and engineering
is built into everything we do, it is our commitment to exceptional support that we hope will keep you
in the Hunter family of customers for years to come.
Gregory R. Hunter, CEO of Hunter Industries