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Rain

 

Sensor

 

Suspends

 

Automatic

 

Irrigation

 

System

  

 

Save

 

water

 

and

 

help

 

the

 

environment,

 

suspending

 

your

 

irrigation

 

system

 

on

 

rainy

 

days

 

with

 

any

 

of

 

the

  

K

Rain

 

rain

 

sensors.

 

 

 

 

 

 

Owner’s

 

Manual

 

and

 

Installation

 

Instructions

 

 

3208

WRFS

 

Wireless

 

Rain

 

Freeze

 

Sensor

 

3208

HRFS

 

Rain

 

Freeze

 

Sensor

 

3208

HRS

 

Rain

 

Sensor

 

 

 

 

 

 

 

 

 

 

Summary of Contents for 3208-WRFS

Page 1: ...ve water and help the environment suspending your irrigation system on rainy days with any of the K Rain rain sensors Owner s Manual and Installation Instructions 3208 WRFS Wireless Rain Freeze Sensor...

Page 2: ...sensor they provide peace of mind when temperature drops below 37 F 3 C by interrupting your sprinklers and reduce the hazards of standing water freezing on your driveway sidewalks and patios Once th...

Page 3: ...ation is needed Rain Sensor Components 1 Manual Test Pin Press and hold the manual test pin to confirm proper operation 2 Vent Adjustment Tab Used to adjust the dry out time for the sensor 3 Mounting...

Page 4: ...Pair your 3208 Wireless Rain Freeze Sensor with the Pro EX Controller Place dial on pin position Press UP button until the word LEARN is displayed into the LCD Press the START button and user will see...

Page 5: ...been paired Press the DOWN button to complete the process Move the dial back to AUTO Installation WIRING For model 3208 HRFS Rain Freeze Sensor or 3208 HRS Rain Sensor IMPORTANT The rain sensor is sol...

Page 6: ...ol wires directly to these terminals in any order NOTE 1 There may be a jumper tab or wire between the sensor terminals that must be removed 2 If a rain sensor will not be installed the preinstalled j...

Page 7: ...here along the common wire line Once the rain sensor is mounted run the wire to the controller using wire clips every few feet to fasten it If an extension to the wire provided is needed use the follo...

Page 8: ...ery few feet to fasten it If an extension to the wire provided is needed use the following table to determine the minimum wire gauge needed CHECK TO VERIFY CORRECT WIRING Turn on one zone of the sprin...

Page 9: ...possibility of wire breaks ii For the wireless model the signal transmission will be better avoiding interference to the wireless signal b Mount in the highest possible position where rain can fall di...

Page 10: ...ll determine how fast the hygroscopic discs will dry out the same conditions your soil experiences Note that there is an adjustment capability on the rain sensor that will slow down the reset rate By...

Page 11: ...r when ambient temp was below freezing point To display this information put the controller dial on the REMOTE PIN location Press the UP button until it displays the SENSOR information screen This scr...

Page 12: ...to deactivate the wireless rain sensor and enabling the rain sensor terminals of the Pro EX controller In order to do this selection press the BACK and NEXT buttons SIMULTANEOUSLY until the word WIRED...

Page 13: ...res If the sprinkler now comes on the switch is bad Wrap all nicked wires with electrical tape D The rain sensor is wired to function with most controllers normally closed If you are unable to make th...

Page 14: ...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 t...

Page 15: ...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 interfere...

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