water window management with esp-lx series controllers

Water Window Management with

ESP-LX Series Controllers

Doug Callison CID-CLIA

Senior Product Manager

Goals for Today's Webinar

� Review a few of the exclusive features of the ESP-LX Series Controllers

� Give you a preview of some enhancements coming for 2012

� Show examples of how these exclusive features can:

– Reduce the time it takes to irrigate a site

– Balance and cap the flow demand placed on the water source

– Modify the order stations operate in a program without rewiring the

controller

– Ensure irrigation does not operate during the hours the site is in use

� Show examples of how to use the IQ Central Control Demo Software to

Dry-Run your controller programming

� Answer questions you have on these or any other ESP-LX Series Controller

features

Example Site - Central Park

Site irrigation parameters:

� Even calendar days watering schedule

� No watering allowed when park is open from 6:00 am to 10:00 pm

� 28 irrigation valves with flow rates from 3 to 88 GPM

� Pump water source – 120 GPM maximum

Current issues:

� Existing controller is only programmed to operate 1 station at a time for fear

of overtaxing the water source pump

� Pump is cycling because the demand is fluctuating

� Irrigation is running past 6:00 am in the morning

� Sprinklers along walkways are being broken/vandalized as people leave the

park when it closes at 10:00 pm

Example Site - Central Park

Update the system by installing an ESP-LX Series Controller:

� Use SimulStations™ to operate multiple stations at the same time to

decrease the time required to irrigate the site

� Use FloManager™ to balance demand on pump and protect it from an

overload

� Use Water Windows to prevent watering past 6:00 am even if Seasonal

Adjust or ET is increased

� Use Station Priorities to modify the order the stations are operated so the

stations by the walkway operate later in the program

� Use IQ Central Control Software to Dry-Run the controller programming

ESP-LX Series Controllers

ESP-LXME

8 to 48 Stations

ESP-LXMEF

8 to 48 Stations

with Flow Sensing

ESP-LXD

50 to 200 Stations

with Flow Sensing

Traditionally-Wired 2-Wire

IQ v2.0 Central Control Software

The IQ Patented Dry-Run

Utility can be used in

Software Demo Mode.

View a graphical depiction of

your programming (flow over

time). Click on the graph to see

the stations running and the

system flow at any point in time.

Station Sequencing

New for 2012

� The Station Sequencing option allows the user to define the order which

station are selected to operate within a program or across programs

– Sequence by Station Number

– Sequence by Station Priority

A > B > C > DStation Program Assignment2

1 > 2 > 3…Station Number1

ExampleSelection CriteriaStep



Longest > ShortestStation Run Time2

High > Medium > LowStation Priority1


Notes:

a) Sequence by Station Number is the new controller default

b) Non-Irrigation Priority Stations always operate first.

Notes:

a) Sequence by Station Priority is required for use with FloManager


Station Sequencing

New for 2012

Station Sequencing by Station Numbers

Station Sequencing by Station Priorities

Basic Programming

No Advanced Features Used

Site Watering Parameters:

• No watering allowed 6:00 am to 10:00 pm – Watering ended at 11:55 AM

• Water source capacity = 120 GPM – Max = 88 GPM / Average 40.7 GPM

Controller Configuration:

• SimulStations™ = 1

• PGM Water Window = None

• FloManager™ = Off

• Station Sequencing = By Numbers

• PGM Seasonal Adjust = 100%

IQ Dry-Run Results:

• PGM Start Time = 10:00 PM

• PGM End Time = 11:55 AM

• Total Time = 13 Hrs & 55 Min

• Peak Flow Rate = 88 GPM

• Total Water Used = 33,995 Gal

Basic Programming

No Advanced Features Used

SimulStations™

� SimulStations™, a standard feature on ESP-LX Series Controllers, allow

the user to define the number of stations that can operate simultaneously

within each program and globally for the controller.

� If 2 or more SimulStations are configured in a PGM (program), stations will

run simultaneously, each for their own run time/Cycle+Soak time

� SimulStations settings:

1*

1*

1*

Default/

Minimum

ESP-LXD

8

8

8

Maximum

51Program

SimulStations

51Controller Non-Irrigation

SimulStations

51Controller Irrigation

SimulStations

MaximumDefault/

Minimum

ESP-LXME/-LXMEFController

1 - *This is a new configuration default for the ESP-LXD Controller. Other ESP-LXD configuration

default changes include: a) Master Valves

default to Normally Closed; b) Stations default to Obey all Weather Sensors

2 – A maximum of 2 stations can operate simultaneously on any single ESP-LXME Station Module

SimulStations™

Controller SimulStations™

Program SimulStations™

SimulStations™ = 2







• FloManager™ = Off

• Station Sequencing = By Numbers


IQ Dry-Run Results:






SimulStations™ = 2

FloManager™

� FloManager™, a standard feature on ESP-LX Series Controllers, provides

the following functions:

– User definable maximum flow rate of the water source(s)

– User definable flow rate for each station (if flow sensing is utilized, the

Learn Flow Utility can record the flow rate of each station)

– The controller will select combinations of stations to operate without

exceeding the user defined water source maximum flow rate

– Stations are selected to operate in Station Priority order (Station

Sequencing by Station Priority is required to use FloManager)

FloManager™

FloManager™ Station Flow Rates

FloManager™ Flow Rate

FloManager™ On/Off

SimulStations™ = 4, FloManager™ = On,

Station Sequencing = by Priorities







• FloManager™ = On

• Station Sequencing = By Priorities


IQ Dry-Run Results:








Station Sequencing by Priorities

� Station Sequencing by Priorities allows the user to modify the order which

station are selected to operate within a program or across programs without

the need to rewire/reprogram the controller

� Assign High Priority to stations you want to operate early in the program

� Assign Low Priority to stations you want to operate late in the program



Longest > ShortestStation Run Time2

High > Medium > LowStation Priority1


Notes:

a) Sequence by Station Priority is required for use with FloManager


Station Priorities

Station Priority










IQ Dry-Run Results:








Low Priority stations

5, 12,17, & 25

operate last

Water Windows

� Water Windows, a standard feature on ESP-LX Series Controllers, allow

the user to define the hours for automatic program operation by program.

– Automatic program starts outside the Water Window are paused and

then resumed when the Water Window opens

– Stations in a program that have not completed their total run time when

the Water Window closes are paused until the next Water Window

opens

– All stations in the original program must be completed before a second

start of that same program can operate

– If more than 8 program start times are stacked the controller will post

an alarm

Program Water Window


Station Sequencing = by Priorities, Water Window


• No watering allowed 6:00 am to 10:00 pm – Watering paused at 6:00 AM




• PGM Water Window = 10pm – 6am




IQ Dry-Run Results:


• PGM End Time = 12:21 AM +1 day





Station Sequencing = by Priorities, Water Window

Program is paused

outside of Water Window

Questions?

Thank you!

water window management with esp-lx series controllers

Documents