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Irritrol RD-900 - Contents and Specifications; Key Features

Irritrol RD-900
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Congratulations. You have purchased the easiest-to-use landscape control system
available today. Although it is possible to install and program your Rain Dial
®
controller
with little or no instructions, we strongly recommend that you read this guide first.
Your controller contains:
Specifications
Transformer voltage input: 120 V a.c., 60 Hz, 0.5 amps (Note: 230 or 240 V a.c., 50 Hz
available for international models)
Controller voltage output: 24 V a.c. at 1.0 amp total maximum output; 0.5 amps per
station maximum.
Operating temperature range: 32°F to 140°F (0°C to 60°C)
Battery back-up: One 9-volt alkaline battery (supplied by user)
• Modular design allows:
easy access to valve wiring terminals and battery.
Simple snap-out removal of module for convenient anywhere programming or
service without disturbing installation.
Easy modular upgrade to as many as 12 stations.
• Short circuit detection overrides an electrical malfunction of a valve, identifies it, and
allows the other valves to water.
• Default “fail-safe” program runs all valves for 10 minutes daily in case of program loss.
• Rugged, weather resistant, lockable case comes with 2 keys (outdoor models only).
• 3 Programs for different watering requirements such as trees, lawns and flower garden.
• 3 start times for each program, if desired.
• “Skip day” scheduling for interval watering from 1 to every 15 days.
• Fully automatic, semi-automatic or manual operation.
• Built-in circuit protection to protect the controller from power surges.
• LCD Display shows current operation, including the time of day.
• Live programming allows program to be set or changed at any time, even during
watering.
• Off (or rain) setting stops all watering cycles without disturbing programs.
• Battery back-up saves programs and keeps time during remote programming or
power outage.
3
Key Features
Contents and Specifications
Outdoor models
Controller
2 keys
3 mounting screws
Instruction guide
Mounting template
Indoor Models
Controller
Plug-in transformer
3 mounting screws
Instruction guide
Mounting template

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