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How Settings Affect Irrigation

Sand

Soil

1

Clay

Longer cycles, faster evaporation

More & shorter cycles, less evaporation

0%, Flat

Slope

2

45%, Steep

Fewer cycles

More cycles

Low

Sprinkler Precipitation

3

High

Longer run times

Shorter run times

Low

Plant Type (Kc)

High

Less watering

More watering

Lower

ET%

Higher

Less watering

More watering

Full Shade

Sun

Full Sun

Lower ET, less water

Higher ET, more water

1

Sand has higher infiltration rate, but lower water holding capacity

2

Cycles do not affect total amount of water, only how much is applied at once

3

Lower precipitation rates require more run time to apply the same amount of water

Version History

The ET Module is run by special software called “firmware”. There have been several features added or improved over the life of the product.
Version 17, 18: added 7 day watering histories, ET Global Adjustment percentage.
Version 19, 20: streamline watering history and added Non Water Windows and related features.
Version 21: Product package includes 100’/33m approved wiring for ET Sensor.

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Содержание ET System

Страница 1: ...ET System Evapotranspiration Sensor and Module for Hunter Controllers with SmartPort Owner s Manual and Programming Instructions ...

Страница 2: ...Controller Connection 9 Test 11 Maintaining the ET Sensor 11 Programming and Operating the ET Module 12 General Operating Tips 12 Setup Overview 13 Global Setting 13 Initial Soil Deficit 13 International Users Metric Setting 13 Controller Type 14 Prepare the Controller 14 Set Time Date 15 Set Daylight Savings 16 Plant Type 16 Maturity 17 Type 17 Variety 17 Site Info 19 Slope 19 Soil 19 Sun 20 Spri...

Страница 3: ...rrigation program every water day based on local weather conditions Once installed the ET controlled zones are programmed from the ET Module rather than the controller itself The ET Module will display the new program data for the climate based irrigation The ET System allows manual station starts from the controller and will also permit connection of an ICR or SRR remote control receiver This pro...

Страница 4: ...D 2 A B C E ...

Страница 5: ... irrigation The ET Module has settings to customize each zone s plant soil and sprinkler types so that ET data can be applied proportionately for each unique irrigation requirement The ET Module is wired into the controller s SmartPort and creates irrigation run times to only replace the amount of water the plants have lost ET Module works by running stations through the local controller It will c...

Страница 6: ...th approxi mately 6 ft 2m of turf grass surrounding it on all sides The ET Sensor weighs approximately 6 lbs 2 5kg This may not always be practical so choose the actual location according to the following guidelines a ET Sensor must be mounted within 100 ft 33m of the ET Module and the controller b Avoid positioning ET Sensor over large areas of concrete asphalt roof tile or shingles These surface...

Страница 7: ...und prior to mounting the sensor Locate the wiring compartment cover on the bottom of the ET Sensor This is a trap door secured with 2 screws Remove the wiring com partment door screws and set in a safe place and remove the wiring compartment door Locate the screw terminal strip Connect the two long conductors green and black to the appropriately labeled terminals If an ET Wind Sensor is to be ins...

Страница 8: ...Do not overtighten Route ET Sensor wire to ground surface or burial trench and run back to ET Module External mounting in outdoor low voltage conduit for the above ground exposed portion of the wire run is recommended for protection from the ele ments Wooden Post Additional materials not supplied 4x4 100mm2 pressure treated outdoor direct burial grade 4x4 100mm2 or larger post 100mm x 6mm dia x 3 ...

Страница 9: ... wall Use two anchors or self tapping screws of minimum 12 5 5mm diameter to secure the ET Module enclosure to the wall Turn off AC power to the irrigation controller before connecting the ET Module to the controller The ET System receives its power from the SmartPort connection to the Hunter controller Do not connect the ET Module to the controller while AC power is turned on ET Module Wiring The...

Страница 10: ...labeled 24VAC or just AC on older units Connect the blue wire from the ET Module to the terminal in the controller labeled R If no wireless remote control receiver will be installed the blue and white striped wire from the ET Module is not used Pro C Controller Connection Connect the red wire from the ET Module to the terminal in the controller labeled AC1 Connect the white wire from the ET Module...

Страница 11: ...r Connection The ET System is shipped with a special adapter for use with the ACC series of controllers The ACC controllers have an integrated SmartPort for remote receivers such as the Hunter ICR remote control on the side of the cabinet in the metal cabinet configurations and inside the pedestal in the plastic pedestal configurations All ET System connections are made within the enclosed ET ACC ...

Страница 12: ...are already run ning it is possible that the ICR com mand will be ignored if it violates the ACC maximum of 6 simultaneous stations Likewise if 6 events are already running in the ACC when the ET Start Time is reached the ET events may be missed Avoid overlap ping the ET Start Time with multiple stations Leave enough slack in all wires to allow for expansion and contraction in temperature extremes...

Страница 13: ...bottommost of the two AC connections Warning The use of toners and line voltage testers on field wiring may damage the ET System if it is connected to the controller It does not matter if the power is off to the controller If any device is connected to the valve wiring which produces voltage the ET System must be physically disconnected from the host controller Sensor Fault If the ET Module displa...

Страница 14: ...n Gauge Solar Radiation Sensor Plus Minus Buttons Reset Button Lithium Battery Cover CR2032 in box Station Advance Button Left Right Navigation Buttons Dial General Operating Tips ET is reactive You do not set the minutes as in traditional control lers ET looks at the weather and calculates the minutes for you You see what it did after the fact Station Histories If you want more or less water chan...

Страница 15: ...dy to run ET based automatic irrigation The ET Module dial must be left in the Automatic position or the ET program will not irrigate If the ET System is watering moving the dial from the Automatic position will cause it to stop Global ET Setting The ET System uses the modified Penman Monteith equation to determine moisture loss from evapo transpiration The of actual ET used is now adjustable This...

Страница 16: ...stem Start Time Set the Start Times for any other programs after this longest possible ET water window or set them to complete before the ET Start Time Prepare the Controller The ET System connects to any Hunter SmartPort equipped irrigation controller The controller must be properly prepared to work with ET prior to use ICC Pro C SRC or SRC Plus Controllers Program A will be erased ET System will...

Страница 17: ...tering may be postponed or lost Avoid overlapping ET with other pro grams unless absolutely necessary to prevent confusion Flow ACC controllers may also be equipped with flow meters and high or low flow shutdowns will not be known to the ET System it will think it has watered correctly Compensate for any lost irriga tion by manual watering after the flow condition has been fixed Move the Station w...

Страница 18: ...nsitive to watering plant species in the zone If one of the species is highly susceptible to under or over watering use that plant s characteristics for all zone setup information The zone is the minimum level at which automatic irrigation control is possible If damage to valuable landscaping or specimen plantings is feared do not include the station in the ET setup at all or physically add an add...

Страница 19: ...zed categories of plants by watering needs The plant type choices in the ET System are rep resentative of the different levels of watering requirements of typical plants and are based on the Water Use Classifications of Landscape Species WUCOLS Guide developed by the University of California available on the internet from the California Department of Water Resources at http www owue water ca gov l...

Страница 20: ...WATERING Cactus BAHIA CENTIPEDE MINIMUM WATERING Saltbrush Jojoba MINIMUM WATERING Rhagodia MINIMUM WATERING Pipestem MINIMUM WATERING California pep per tree MINIMUM WATERING Daffodil BUFFALO CARPET KIKUYU When all information for a station or zone has been set use the Stations button to proceed to the next station or turn the dial to Site Info to continue setup for the selected zone Customize Pl...

Страница 21: ...Use the keys to set the percentage of slope from 0 to 50 in 1 increments If the ground is flat leave this setting at 0 Determining the slope percentage The slope is defined as the amount of elevation change or Rise divided by Run the measured distance multiplied by 100 If an irrigated area rises 2 feet or meters over 15 feet or meters the slope is approximately 13 2 15 x100 13 333 Soil Soil type o...

Страница 22: ...etup several standard types of irrigation devices are included along with typical precipitation rates Select the type closest to the irrigation for the zone Rotor 0 5 in hr Spray 1 6 in hr Drip 0 35 in hr this can vary widely and should be checked for accuracy Bubbler 1 16 in hr this can vary widely and should be checked for accuracy Custom entered by user based on field tests Precip The Precipita...

Страница 23: ...IP position The Precipita tion will be set to 1 6 Use the keys to change the Precipitation Rate to the desired number Continue to enter Sprinkler Type data for each station by pressing the STA button and repeating the sprinkler selections until finished When all stations have Sprinkler Type data turn the dial to save the information For initial setup proceed to the Water Days dial position Water D...

Страница 24: ...ke other selections ET System does not necessarily water on every day that has a Yes for OK to Water These are only the days on which it is allowed to water For further information on this refer to the section How ET System Decides to Water in the System Overview near the beginning of this manual When the days are set correctly turn the dial to save the information For initial setup proceed to the...

Страница 25: ...a Start Time Non Water Windows allow you to block out periods of each day during which watering is forbidden by local watering restrictions Unfinished watering can resume after the end of the non water win dow but the system can also be set to prevent watering past midnight into a non water day or at any other Day End you choose to set To Set the Non Water Window Turn the dial to the Start Times p...

Страница 26: ...ion of ET but it can be used to a shut off the irrigation and b adjust the next application of irriga tion by deducting a percentage of the naturally occurring precipitation some rainfall is assumed to run off before absorption into the soil and a loss factor is included dial is turned to any other position watering will be terminated and will not resume Day End Day End is normally set to midnight...

Страница 27: ...tic irrigation period ET System may resume irrigating if the rainfall was insufficient to fully replenish the soil reservoir The system may resume where it left off automatic irrigation but with adjusted run times for the amount of measured rainfall Rain Pauses always last for 15 minutes after which ET System will check the sensor again If Rain is still detected it will begin another 15 minute pau...

Страница 28: ...d use the keys to change the display to MANUAL An ET value for the day will appear in the display Use the keys to enter an ET in 01 in 25mm increments When the dial is turned to the Automatic position the display will show the time date and then MANUAL ET followed by the manually entered value If ET SOURCE is set to MANUAL it will remain the same every day unless it is manually updated again Norma...

Страница 29: ...tion water The system will calculate a pause or Soak for the first Cycle to soak into the soil type before applying any more irrigation When the station is Soaking between Cycles and no other stations are running ET System will indicate this in the display along with the time remaining in the Soak period In the example Station 1 is Soaking between Cycles 1 and 2 of 3 total Cycles and there are 32 ...

Страница 30: ...as interrupted last time However it is possible in extreme conditions with severe watering restrictions that some zones will remain starved for moisture until the restrictions are eased or the weather cools Unfinished Watering solutions Verify that Start Times No Water Time and No Water End times and the Day End are set correctly These define how many legal watering hours the system has to complet...

Страница 31: ...r the start time the R24 display will only show the rain which has occurred after the start Reset The recessed Reset button can be used to restore system operation in two different ways Restart In rare circumstances the ET Module s microprocessor may become confused and the display may lock up If this or other unusual phenomena occurs buttons not responding odd symbols in the display press the Res...

Страница 32: ...tenance operations or after long periods of watering inactivity To clear the ET and start over at 0 00 ET Dial at Automatic position Press the minus button The Clear ET display will appear Press the button to clear all ET To exit without clearing turn the dial to any other position and back without pressing the button If you choose to reset ET with the button the display will show ET CLEARED The E...

Страница 33: ...ter interval Too much too little water Incorrect station settings Malfunctioning sensors ET SOURCE set to Manual Landscape characteristics Verify station settings at all dial positions including Plant Type Site Info and Sprinkler Type Perform maintenance on sensors clean out rain gauge clean off solar radiation sensor clear debris from beehive housing Set ET SOURCE to SENSOR ET Setup position Use ...

Страница 34: ...icients Kc Dial in Auto position Push and hold both and buttons Turn dial to Plant Type position Release and buttons ET Data Erase Hard Reset Dial in Auto position Push and hold and buttons Push Reset button for 1 second Release Reset Release and buttons All Data Erased Firmware Version Dial in Auto position Press and hold STA Press and release Reset button Release STA Clear ET Dial in Auto positi...

Страница 35: ...gher infiltration rate but lower water holding capacity 2 Cycles do not affect total amount of water only how much is applied at once 3 Lower precipitation rates require more run time to apply the same amount of water Version History The ET Module is run by special software called firmware There have been several features added or improved over the life of the product Version 17 18 added 7 day wat...

Страница 36: ...ets 11 H x 7 W x 20 D 29 2 mm H x 18 4 mm W x 52 7 mm D FCC Notice FCC Notice This equipment has been tested and found to comply with the limits for a Class B digital device 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 an...

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