Rain Bird WS PRO LT Specifications download pdf (Page 17)

Rain Bird Corporation

6991 E. Southpoint Road, Tucson, AZ, 85706, U.S.A

Phone: (520) 741-6100 Fax: (520) 741-6522

Rain Bird Corporation

970 W. Sierra Madre Avenue, Azusa, CA, 91702, U.S.A

Phone: (626) 812-3400 Fax: (626) 812-3411

Rain Bird International, Inc.

145 North Grand Avenue, Glendora, CA, 91741, U.S.A

Phone: (626) 963-9311 Fax: (626) 963-4287

Technical Service and Support

(877) 351-6588 (U.S. and Canada only)

Specification Hotline

(800) 458-3005 (U.S. and Canada only)

www.rainbird.com

The Intelligent Use of Water

™

— Visit www.rainbird.com to learn about our efforts

® Registered trademark of Rain Bird Corporation

Operating Specifications

The ET Manager (ETMi) shall have four inde-

pendent output modes to interface with virtual-

ly any irrigation controller.

ET ENABLE

The valve common from the sprinkler controller

shall be wired to the common input terminal.

The connection shall be to the normally closed

contacts. When watering is not needed, the

relays shall be opened to interrupt the common

circuit for valve groups A and/or B.

ET ENABLE A THEN B

A programming feature that modifies the ET

Enable output method to restrict valve group A

and B watering to separate days. In the event

the irrigation schedule exceeds the watering

window for one day, alternating days shall allow

watering to be spread over 2 days. Valves con-

nected to valve group A shall water one day,

then valve group B waters the next day. All other

program features shall be the same.

ET & RAIN PULSE

ET and rain data shall be passed to a compati-

ble host irrigation controller or control system

using a “pulse” method. A dry contact switch

closure shall represent 0.01" of ET or rain. The

relays shall be normally open.

ET PULSE AND WEATHER INTERRUPT

ET data shall be passed to a compatible

host irrigation controller or control system

using a “pulse” method. A dry contact switch

closure shall represent 0.01" of ET. The relays

shall be normally open.

A second relay shall provide a sensor interrupt

to prevent watering if any one of the three

weather interrupt conditions occurs: rain,

freezing conditions, or high wind. The relay

shall be normally closed.

Programmable schedule options

Available watering days can be limited to

accommodate site needs. The look-ahead fea-

ture may allow watering the day before a non-

available watering day.

1. ODD day watering (per program)

2. EVEN day watering (per program)

3. CUSTOM (weekly schedule)

4. ODD 31st off (per program)

Electrical Specifications

• Power Supply: 12 to 30 Volts AC or 12 to 35

Volts DC

• Operating Temperature Range: 5° F - 149° F

(Radio reception operating temperature:

32° F - 122° F)

• Terminal Wire Gauge: 14 to 26 awg

• Ground Lug Wire Gauge: 10 to 18 awg

• Serial Communication: TTL 1x6 Header

• Optional External Antenna Connection: BNC

Female, 930 MHz, 50 ohm

• Rain Gauge Sensor Voltage: 3.3 Volts DC

• Battery Backup: 9-volt alkaline battery includ-

ed for programming under batter power and

maintaining program current time and date

during power outages

• Three year warranty

Technical Specifications

The ET Manager (ETMi) shall be a control

device for a sprinkler controller, and shall be

adaptable to most sprinkler controllers. It shall

be programmable to site-specific conditions to

manage landscape watering based on hourly

weather conditions.

The ET Manager (ETMi) shall be programmable

to the required Signal Provider Code in order to

receive messages from the Weather Reach

™

Signal Provider (WRSP). The user shall be able

to enter a weather region code number that

corresponds to the desired weather station data

source operated by the WRSP.

The ET Manager (ETMi) shall calculate ET

values using ASCE Standardized equation based

on weather station input including wind speed,

temperature, relative humidity, and solar

energy. Effective rainfall shall be subtracted

from ET to calculate a moisture balance.

The ET Manager (ETMi) shall interrupt the 24

VAC common wire suspending irrigation

frequency based on user-selectable irrigation

amounts.

The ET Manager (ETMi) shall be mounted in

close proximity to the irrigation controller; in

applications requiring outdoor mounting, the

ET Manager shall be mounted in a weather-

proof enclosure.

The ET Manager (ETMi) shall operate at 12 to 30

Volts AC or 12 to 35 Volts DC @ 0.22 Amp max

and be capable of withstanding a maximum

contact load of 4 Amp @ 30 Volts AC maximum.

The ET Manager (ETMi) shall have an

integrated override button to permit

maintenance and manual watering to occur.

The ET Manager (ETMi) shall have a factory

supplied 9-volt alkaline battery to maintain

clock time and program memory during a

power outage.

The ET Manager (ETMi) shall have program-

mable settings and records shall be stored in

non-volatile memory and be able to be recalled.

The Rain Bird ET Manager Series shall be sold

by Rain Bird Corporation.

Optional Accessories

ETMi-ANT: ETMi Remote Antenna Kit*

ETM-RG: Tipping Rain Gauge

ETM-WRSS: Weather Reach Server Software

ETM-PS: ET Manager Programming Software

ETMi-OE: ETMi Outdoor Enclosure

ETMi-TRAN: 120 Volts AC Plug-in

Transformer-635640

* ET Manager has a built in antenna. Locations

with a weak paging signal may require an

external antenna.

D37373

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Rain Bird WS PRO LT Specifications Page 17

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