AMX RADIA LIGHTING CONTROL ENCLOSURE WORKSHEET GUIDE Specifications download pdf (Page 45)

6. Determining Programmable Settings

Rain Bird

ET Manager Series - Installation and Operation Manual 45

• Plant Species

• Planting Density

• Microclimate

As general rule the Landscape Adjustment Percentages

should range between 70% to 100% for turf grass and

50% to 80% for shrubs.

Note: Additional station-by-station adjustments can

also be made in the sprinkler controller. Once your ET

Manager is installed, the system should be monitored

and these settings may need to be changed.

Note: The Weather Reach Signal Provider (WRSP) can

include in the weather signal a crop coefficient (Kc)

value. This is done as a service to the end user because

the Kc value can change over the course of the season.

Check with the WRSP to see if regional Kc value is being

used. If it is being used, the Landscape Adjustment

Percentage should be set based on recognizing this

regional service.

Example: If a WRSP is sending a seasonal Kc value, it is

typically based on the predominate turf grass in the

area. In this case, Landscape Adjustment Percentage

would normally be left at 100% for turf schedules. The

Landscape Adjustment Percentage for shrub schedules

should be adjusted based on the Kc value already being

applied to ET. For example, if the broadcast Kc value

was 80% at mid season and a shrub Landscape

Adjustment Percentage of 50% was needed then the

Landscape Adjustment Percentage should be set at 62

% (50% / 80% = 62%).

Water Window

The ET Manager Water Window needs to be synchro-

nized with the start and run times programmed in your

sprinkler controller. There are two Water Windows used

to manage the system:

• Automatic Window: The period of time that

the ET Manager controls watering cycles based

on ET.

• Daily Window: An optional period when

watering can occur as programmed in the

sprinkler controller, and not controlled by the

ET Manager.

Automatic Window

The Automatic Window is a period of time based on the

first start time programmed in the sprinkler controller

and the amount of time it takes to complete all water-

ing cycles controlled by ET. When Valve Groups A or B

are enabled, watering is allowed during the Automatic

Window.

At the opening of the Automatic Window, the ET

Manager determines if watering should occur. If water-

ing is needed the Valve Group Indicator Light for A or B

will be green and watering is enabled, allowing the

sprinkler controller to activate valves. It remains

enabled through the duration of the Automatic

Window. If the Moisture Level for the valve group has

not reached zero, the Valve Group A or B Indicator Light

remains red and watering is suspended through the

Automatic Window period.

When watering is enabled in a valve group and the

sprinkler controller activates the valves, the ET

Manager uses a built-in electrical sensor to verify that

watering occurred. If watering is not detected during

the Automatic Window, watering remains enabled

through the next day’s Automatic Window.

Daily Window

If there are stations that require non-ET based manage-

ment they can be programmed in the sprinkler con-

troller to water as needed using the Daily Window.

These stations must be programmed in the sprinkler

controller to water during a period outside the

Automatic Window period. Stations programmed in

the sprinkler controller can be set to water any day, but

the watering time must occur within the Daily Window

period.

The Daily Window will allow watering every day sched-

uled in the sprinkler controller. When the Daily

Window opens, both the Valve Group A and Valve

Group B Indicator Lights will turn green. Watering is

enabled during this period.

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AMX RADIA LIGHTING CONTROL ENCLOSURE WORKSHEET GUIDE Specifications Page 45

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