K-Rain 3208-UWRFS Owner's Manual And Installation Instructions

K-Rain 3208-UWRFS Owner's Manual And Installation Instructions

Universal wireless rain/freeze sensor

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Universal Wireless
Rain/Freeze Sensor
OWNER'S MANUAL AND
INSTALLATION INSTRUCTIONS
3208-UWRFS

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Summary of Contents for K-Rain 3208-UWRFS

  • Page 1 Universal Wireless Rain/Freeze Sensor OWNER’S MANUAL AND INSTALLATION INSTRUCTIONS 3208-UWRFS...
  • Page 2: Table Of Contents

    TABLE OF CONTENTS Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Features &...
  • Page 3: Introduction

    The Universal Rain Sensor Receiver allows installation with most irrigation controllers – regardless of the manufacturer . Once successfully paired with the K-Rain Wireless Rain/Freeze Sensor, the controller will be able to expertly manage water efficiency by suspending watering during rain and/or freeze periods .
  • Page 4: Features & Benefits

    . • The K-Rain Wireless Rain/Freeze Sensor (model 3208-UWRFS) can be paired with multiple K-Rain Pro EX 2 .0 Wifi enabled controllers within range, providing additional value for the end user .
  • Page 5: Universal Rain Sensor Receiver Components

    UNIVERSAL WIRELESS RAIN/FREEZE SENSOR RECEIVER COMPONENTS 1 . Pair Button. Initiates the pairing process . 2. Paired LED. Displays status of pairing to the Wireless Rain Sensor . The LED will flash green for pairing process, stay green under normal conditions and turn flashing red after 24 hours from last successful pairing to indicate connection loss .
  • Page 6: Rain/Freeze Sensor Components

    RAIN/FREEZE SENSOR COMPONENTS 1. Manual Test Pin. Press and hold for three seconds to confirm proper operation . 2. Vent Adjustment Tab. Used to adjust the dry out time of the sensor . Depending on weather conditions, the farther open the vent windows, the sooner the unit will dry out and let the controller resume normal operations .
  • Page 7: Installing The Universal Rain Sensor Receiver Into Controllers

    • Controllers with global overide and/or switch must be active/on in order for the sensor to work properly. Installing the K-Rain Universal Rain Sensor Receiver into controllers WITHOUT sensor terminals. a. WITHOUT pump start relay/master valve (Fig. 1). Find the controller common terminal (generally marked “C”...
  • Page 8: Wiring For All Installation Methods

    b. WITH pump start relay/master valve (Fig. 2). Locate the common wire to the solenoid valves and the common wire lead to the coil of the relay that starts the pump . If these two wires are connected to the “common” terminal on the controller, disconnect both of them .
  • Page 9: Mounting The Universal Rain Sensor Receiver

    MOUNTING THE UNIVERSAL RAIN SENSOR RECEIVER • Remove the Back Housing from the Main Housing using FIGURE 3: Side Clips the side clips shown here . • Mount the Back Housing through the 3 mounting holes utilizing the supplied hardware (fig .3) . •...
  • Page 10: Mounting The Rain Sensor

    MOUNTING THE RAIN SENSOR Standard Flat Mounting Mount the sensor on a surface that is unobstructed to rain fall, but away from the path of the sprinkler water spray . Gutter Mounting Allows the rain sensor to be mounted directly to the side of the gutter . Position the gutter mount on the edge of the gutter and twist the thumbscrew to secure it in place .
  • Page 11: Adjustments And Operation

    ADJUSTMENTS AND OPERATION When the Rain Sensor activates due to sufficient rainfall (after rainfall quantities of 1/8” through 1/2” or more), the sprinkler system will become inactive until the moisture-absorbent discs inside the Rain Sensor have dried out . To adjust to the desired quantity of rainfall, rotate the Rainfall Adjustment Cap on the rain sensor housing to the range desired (See Fig .
  • Page 12: Specifications

    SPECIFICATIONS Mounting: Supplied screws through Back Housing for standard flat and gutter installation . Rating: 3 amp, 24 V AC, NC (Normally Close contacts) Operating Temperature Range: 14°F to 149°F (-10°C to 65°C) Hardware: Stainless steel Mounting: 2 in 1 bracket for standard flat and gutter installation Sensor Type: Industry-standard hygroscopic disc stack with adjustable rainfall sensitivity Housing: UV-resistant engineered polymer...
  • Page 13: Troubleshooting

    TROUBLESHOOTING Follow these simple steps before replacing your rain sensor: System will not activate: a . Check to see that the paired Wireless Rain Sensor discs are dry and switch “clicks” on and off freely by pressing the top of the spindle . b .
  • Page 14: Fcc Declaration Of Conformity

    3208-WRFS Compliance Test Report Number 16FAB01000511 Compliance Test Report Date March 22, 2016 Responsible Party K-Rain Manufacturing Corporation Address 1640 Australian Avenue Riviera Beach, FL 33404 Telephone 561-844-1002 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 .
  • Page 15: Fcc Notice

    FCC NOTICE Sensor FCC ID: This device complies with FCC rules Part 15. Operation is subject to the following two conditions: 1 . This device may not cause harmful interference and 2 . This device must accept any interference received, including interference that may cause undesired operation .
  • Page 16: Warranty

    . Prior to replacement, K-Rain reserves the right to inspect and authorize the defective part or parts; all defective material returns must be authorized in writing by K-Rain . Liability under this warranty is limited solely to the replacement or repair of defective parts .

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