AMX RADIA LIGHTING CONTROL ENCLOSURE WORKSHEET GUIDE Specifications download pdf (Page 55)

8. Advanced Output Methods

Rain Bird

ET Manager Series - Installation and Operation Manual 55

Valve Group A watered one night and the next

night Valve Group B does not need to water but

Valve Group A needs to be watered, then A

would water again, hence changing the

sequence. This is not a problem, but be aware

that the sequence could change.

3. Automatic Window settings need to encompass

the water window for both programs in the

controller. For example, if program A is set to

start at 10:00 PM and finish at 4:00 AM and

program B is set to start at 11:00 PM and finish

at 6:00 AM, the Automatic Window should be

set to start at 10:00 PM and run for 8 and a half

hours to close at 6:30 AM.

Programming the Sprinkler Controller for

“A Then B”

There are several essential steps to follow when pro-

gramming the sprinkler controller for the ET Manager

to water Valve Group A one day “then” Valve Group B

the next day.

1. Valves wired to each Valve Group (A and B)

must be assigned to separate programs in the

sprinkler controller. For example, valves in

Valve Group A should be assigned to Program

A in the sprinkler controller.

2. Each sprinkler controller program should be

set to the same time.

3. The sprinkler controller MUST support the

option to “overlap” programs. Both programs

must run at the same time. Even though the

sprinkler controller will attempt to operate

both programs at the same time, the ET

Manager will only allow one valve group to

operate at a time.

4. Station run times need to be programmed to

apply enough water to satisfy the Irrigation

Amounts programmed in your ET Manager.

5. Note the earliest start time for both programs

and the ending time for the last program. This

will be needed to program the Automatic

Window in your ET Manager.

ET & Rain Pulse

There are compatible advanced ET-based sprinkler

controllers that can use the ET Manager as an ET

source. Some ET-based controllers accept a pulse input

as an ET source; a momentary switch closure for each

0.01” of ET. They often have a similar input for rain.

The sprinkler controller uses these values to automati-

cally adjust watering schedules.

The ET Manager has an ET and Rain pulse output that

provides a dry contact switch closure representing 0.01”

of ET and 0.01” of rain. The rain data comes from the

selected rain source. To utilize the ET and Rain Pulse

Output Method:

• Your sprinkler controller, ET Manager, and

valves must be installed correctly, see Figure 16.

• Your ET Manager must be correctly

programmed.

• Your sprinkler controller must be programmed

to recognize pulse inputs.

Note: When using this Output Method, all scheduling

decisions including days of operation are made by the

sprinkler controller. The ET Manager simply inputs the

ET and rain data to the sprinkler controller.

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AMX RADIA LIGHTING CONTROL ENCLOSURE WORKSHEET GUIDE Specifications Page 55

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