Rain Bird WS PRO LT Specifications download pdf (Page 5)

Weather Reach Signal Provider Service

The ET Manager receives hourly weather information from a Weather Reach Signal Provider.

To find a Weather Reach Signal Provider, please go to www.rainbird.com, or type the

following link into your web browser: www.rainbird.com/landscape/products/controllers/

etmanager_WRSP.htm

If there is not a Weather Reach Signal Provider available; see page 9 for information on how

to establish a new Weather Reach Signal Provider.

Sprinkler Controller

The ET Manager is compatible with most standard sprinkler controllers. The ET Manager

controls the frequency of watering by interrupting the common output of the controller.

Watering occurs when needed, based on real-time ET and rainfall. The ET Manager supports

two independent ET-based schedules, typically turf and shrub areas. To utilize separate

schedules, each Valve Group (A & B) needs separate valve common wires.

Wiring:

Power –Power for the ET Manager can come from one of two sources:

Power Option 1: The ET Manager can be connected to a 24-volt AC source within the

sprinkler controller. The current draw is 0.22 Amps (less than one standard valve sole-

noid). Check the sprinkler controller owner’s manual to verify that accessory devices can

be powered from the sprinkler controller power supply.

Power Option 2: Use a Rain Bird plug-in transformer (ETM-TRAN). This plugs into a stan-

dard 110-volt AC outlet.

Note: Each ET Manager comes with a 9-volt battery for non-volatile memory backup in

case of power outage.

Ground – Grounding is essential for electrical surge protection and personal protection.

Ground wire size 10-18 gauge may be used, though 10 AWG is recommended.

Valve Common – The valve common from the sprinkler controller is wired into the ET

Manager ‘COM’ terminal and the Valve Groups A and B field common wires run from the ET

Manager ‘A’ and ‘B’ terminals to the sprinkler controller valves. A separate common wire is

required for each valve group (see detail on page 31).

Note: See Advanced Options for applications with ET-Based sprinkler controllers on page 6.

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Rain Bird WS PRO LT Specifications Page 5