Wireless Rain Sensor SeriesRain Sensor, Model TWRS-I andRain/Freeze Sensor, Model TWRFS-IUser’s GuideEnglishEspañol Français373-0372a_E/S/F 6/7/05 1
Initial Sensor System TestBefore installing the sensor module, test the sensor system to verify operation. Once this test hasbeen completed satisfacto
9EnglishSensor Module Features1– Rain Threshold Adjustment–Adjusts the rain sensor toaccumulate 3mm, 6mm,12mm or 19mm of rainfall beforesignaling the
10Rain Sensor Site SelectionChoosing the right installation site for the sensor module is key to obtaining the maximum benefitfrom your sensor system.
11EnglishInstalling the Sensor Module1. Adjust the sensor module to the preferred rainfall threshold activation point. The settings, provided in metri
123. To install the sensor on a length of thick-walled PVC pipe, remove and replace the Quick Clipbracket with the pipe-mount adapter. To provide fric
Freeze Sensor (model TWRFS-I) Site SelectionTo ensure optimum freeze sensor operation, the sensor module installation site should meet thesite criteri
Set Temperature Activation Threshold (TWRFS-I models only)The freeze sensor temperature activation threshold is adjustable from 2°C to 7°C ( 35°F to 4
Water Conservation Feature – By simply choosing the Minimum (Min), Medium (Med) orMaximum (Max) conservation level that corresponds to your landscape’
Smart Bypass FeatureOnce the rain sensor becomes active, it can be easily bypassed by pressingthe Smart Bypass button. When the rain sensor is bypasse
17EnglishSignal Strength DisplayThis feature displays sensor signal strength on a digital scale ranging from 0.0 to 10.2. 1. Press the Setup button as
iIntroductionThe Toro wireless rain sensor system, model TWRS-I for rain sensing and TWRFS-I for rain andfreeze sensing, is a powerful, water conserva
Dry Out FeatureThe Dry Out feature is provided to override the Water Conservation baseline level, allowing thedry-out delay period to be set with more
Loss of CommunicationIf the sensor and receiver do not communicate within a 24-hour period, thesensor system will remain in its current state (Active
Turn the Receiver Module Off and On1. To turn the receiver module Off, press and hold the Adjust button until two dashes aredisplayed (approximately 5
Sensor Module Battery Replacement1. Unscrew and remove the bottom cap from the sensorhousing.2. Grasping the edges of the circuit board assembly, care
TroubleshootingIf you encounter problems at any point in the installation process, or the components do notfunction properly, try the Troubleshooting
The receiver display is blank.• Check the 24 Vac power connections. The red power wires from the receiver must beconnected to the controller’s 24 Va
24SpecificationsModels:TWRS-I (Wireless Rain Sensor-International) and TWRFS-I (Wireless Rain/FreezeSensor-International)Wireless Communication Range:
The Toro Promise – Five-year Limited WarrantyThe Toro Company and its affiliate, Toro Warranty Company, pursuant to an agreement between them, jointly
Electromagnetic CompatibilityThe TWRS-I and TWRFS-I wireless rain sensor seriesis CISPR 22 class B compliant.FCC ID: OF7TWRSIC: 3575A-TWRS Important:C
1EnglishThe wireless sensor system is comprised of a programmable, weather-resistant receiver moduleand a sensor module with built-in transmitter. The
Getting StartedThe wireless rain sensor system is designed for easy installation, setup and years of trouble-freeoperation. In most cases, the system
3The sensor is adjusted to the preferredrainfall activation level. See page 11.The sensor module is installed. See page 11.The operating features are
4Receiver Module Features1– Setup Button–Accesses the receiver setup and operatingfeatures. 2– Adjust Button–Selects settings within the receiver setu
Installing the Receiver ModuleImportant: Installation of this product must comply with national and local building andelectrical codes. For assistance
6Connecting the Receiver WiresCAUTION: The receiver requires continuous 24 Vac power for operation. Connecting tohigher power will result in irreparab
For a Normally-Open sensor type, attach theYellow wire to the remaining Sensor terminal.Tape back the Brown wire. See Figure 3.4. Attach the two Red w
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