Vizio TWRS-I manual

Wireless Rain Sensor Series Rain Sensor , Model TWRS-I and Rain/Freeze Sensor , Model TWRFS-I User’ s Guide English Español Français 373-0372a_E/S/F 6/7/05 1:59 PM Page I[...]

i Introduction The T oro wireless rain sensor system, model TWRS-I for rain sensing and TWRFS-I for rain and freeze sensing, is a powerful, water conservation and management tool that connects your automatic irrigation system to actual environmental factors vital to the health and maintenance of your landscape. W ithout sensor input, the controller[...]

1 English The wireless sensor system is comprised of a programmable, weather-resistant receiver module and a sensor module with built-in transmitter . The receiver installs next to the irrigation controller and connects to the controller ’ s 24 V ac power source and sensor input terminals (if equipped) or splices directly into the irrigation valv[...]

Getting Started The wireless rain sensor system is designed for easy installation, setup and years of trouble-free operation. In most cases, the system components can be installed and fully operational within minutes. All you will need is a Phillips screwdriver and basic do-it-yourself skills. If you have problems with any portion of the installati[...]

3 The sensor is adjusted to the preferred rainfall activation level. See page 11 . The sensor module is installed. See page 11 . The operating features are set to your preferences. See page 14 . A sensor installation site is chosen and the system is tested again to verify operation. See page 10 . Step 5 Step 4 Step 6 Step 3 English 373-0372a_E/S/F [...]

4 Receiver Module F eatures 1 – Setup Button – Accesses the receiver setup and operating features. 2 – Adjust Button – Selects settings within the receiver setup and operating features. 3 – Mast Antenna – Adjusts easily for best signal reception. 4 – Digital Display – High-resolution LCD screen provides visual reference for sensor s[...]

Installing the Receiver Module Important: Installation of this product must comply with national and local building and electrical codes. For assistance, contact a professional irrigation system contractor in your area. The receiver module is suitable for either indoor or outdoor installation. Select a location next to the controller that provides [...]

6 Connecting the Receiver Wir es CA UTION: The recei ver r equires continuous 24 V ac power f or operation. Connecting to higher power will r esult in irreparable damage. Ensur e that power to the controller has been remo ved prior to connecting the r eceiv er wires. The sensor system is designed to work with most makes and models of irrigation con[...]

For a Normally-Open sensor type, attach the Y ello w wire to the remaining Sensor terminal. T ape back the Brown wire. See Figure 3. 4. Attach the two Red wires to the 24 V ac terminals in either order . Important: Most controllers equipped f or sensor connection pro vide a switch to control the sensor cir cuit. Check the switch setting to ensure t[...]

Initial Sensor System T est Before installing the sensor module, test the sensor system to verify operation. Once this test has been completed satisfactorily , the sensor module can be installed. If a problem occurs during the test procedure, refer to “T roubleshooting” on page 22. 1. Apply power to the controller . Check controller operation t[...]

9 English Sensor Module F eatures 1 – Rain Threshold Adjustment – Adjusts the rain sensor to accumulate 3mm, 6mm,12mm or 19mm of rainfall before signaling the receiver to hold watering. The factory default setting 6mm. 2 – Sensor T est Spindle – Pressed to manually activate the sensor for setup and test procedures. 3 – Batteries (not show[...]

10 Rain Sensor Site Selection Choosing the right installation site for the sensor module is key to obtaining the maximum benefit from your sensor system. For best results, choose a sensor installation site that provides: • Unobstructed exposure to rainfall–away from overhangs, tree branches, etc. • Protected from irrigation spray , rainwater [...]

11 English Installing the Sensor Module 1. Adjust the sensor module to the preferred rainfall threshold activation point. The settings, provided in metric on one side of the cap and U.S. standard on the other , include 3mm, 6mm, 12mm and 19mm. The factory setting is 6mm and is generally a good starting point. The 3mm setting is not recommended for [...]

12 3. T o install the sensor on a length of thick-walled PVC pipe, r emove and replace the Quick Clip bracket with the pipe-mount adapter . T o provide friction between the components, ensure the star washer is installed between the adapter and housing tab as shown in Figure 14. 4. Check the sensor module for vertical alignment. T o adjust, loosen [...]

Freeze Sensor (model TWRFS-I) Site Selection T o ensure optimum freeze sensor operation, the sensor module installation site should meet the site criteria of the rain sensor in addition to the following conditions: • Located in the coldest portion of the landscape. • A way from direct exposure to morning sunlight. • A way from any heat produc[...]

Set T emperatur e Activation Threshold (TWRFS-I models only) The freeze sensor temperature activation threshold is adjustable from 2°C to 7°C ( 35°F to 45°F). When the air temperature reaches the threshold setting, the freeze sensor activates the receiver , and the Freeze Status indicator will turn on. The sensor system will return to the Monit[...]

W ater Conserv ation F eature – By simply choosing the Minimum (Min), Medium (Med) or Maximum (Max) conservation level that corresponds to your landscape’ s soil type and the sensor location, a dry-out period, adjusted for actual rainfall duration, is inserted after the sensor system resets to delay the resumption of automatic watering. Each co[...]

Smart Bypass F eature Once the rain sensor becomes active, it can be easily bypassed by pressing the Smart Bypass button. When the rain sensor is bypassed, the Sensor Status indicator and Smart Bypass icon will begin flashing. See Figure 20. The controller will resume automatic watering operations as scheduled. The rain sensor will stay in the Bypa[...]

17 English Signal Strength Display This feature displays sensor signal strength on a digital scale ranging from 0.0 to 10.2. 1. Press the Setup button as needed to display the antenna icon and the digital readout. The display will indicate the strength of the last received signal. See Figure 22. Important: A signal strength value less than 2.0 is m[...]

Dry Out F eature The Dry Out feature is provided to override the W ater Conservation baseline level, allowing the dry-out delay period to be set with more accuracy from 0.5 to 4.0 days in 0.5-day increments. Note: Before using the Dry Out feature, allow the sensor system to normalize by cycling through rain and/or freeze activation several times. 1[...]

Loss of Communication If the sensor and receiver do not communicate within a 24-hour period, the sensor system will remain in its current state (Active or Monitor). T o alert you to this condition, the W arning icon will be displayed. The Antenna icon and current air temperature (TWRFS-I only) will be flashing and the signal bar indicator will be c[...]

T urn the Recei ver Module Off and On 1. T o turn the receiver module Off , press and hold the Adjust button until two dashes are displayed (approximately 5 seconds), then release. 2. T o turn the receiver On , press the Setup button two times . The receiver will return to the normal display mode within approximately 10 seconds. Set or Restore the [...]

Sensor Module Battery Replacement 1. Unscrew and remove the bottom cap from the sensor housing. 2. Grasping the edges of the circuit board assembly , carefully slide the circuit board assembly out of the housing. 3. Remove the battery cover and batteries. 4. Insert two new 3V CR2032 (or equivalent) batteries with the positive (+) side facing toward[...]

T roubleshooting If you encounter problems at any point in the installation process, or the components do not function properly , try the T roubleshooting procedures first. If the problem is not listed or the remedy does not resolve the problem, contact your local T oro irrigation distributor for assistance.  Signal strength is weak or inconsist[...]

 The recei ver display is blank. • Check the 24 V ac power connections. The red power wires from the receiver must be connected to the controller ’ s 24 V ac power source. Make sure the power wires are not connected to the station or pump/master valve terminals. These terminals only provide 24 V ac power when the controller is operating the [...]

24 Specif ications Models:TWRS-I (W ireless Rain Sensor-International) and TWRFS-I (W ireless Rain/Freeze Sensor-International) W ireless Communication Range: Up to 152.4m LOS (line-of-site) Sensor T ype: Industry-standard hygroscopic disc stack with adjustable rainfall sensitivity Sensor Module Batteries: (2) 3V cells - CR2032 (or equivalent) A ve[...]

The T oro Promise – Fi ve-y ear Limited W arranty The T oro Company and its af filiate, T oro W arranty Company , pursuant to an agreement between them, jointly warrants, to the owner , each new piece of equipment (featured in the current catalog at date of installation) against defects in material an d workmanship for for a period described belo[...]

Electromagnetic Compatibility The TWRS-I and TWRFS-I wireless rain sensor series is CISPR 22 class B compliant. FCC ID: OF7TWRS IC: 3575A-TWRS Important: Changes or modifications to this unit, not expressly approved by the party responsible for compliance, could void the authority to operate the equipment. © 2005 The T oro Company , Irrigation Div[...]