This document introduces the features and benefits of the ISA 300/400 Series Sprinkler Timer, including the timer's functions, controls and indicators, and how to install, connect wires and set the timer.
The Rain Bird ISA 300 and ISA 400 Series Sprinkler Timers are electronic clocks designed to control when sprinkler systems turn on and how long they run. These timers offer features such as large LCD displays, easy-to-use programming dials, and up to six pre-set watering schedules. The ISA 400 models specifically provide two independent watering programs with up to three start times per program.
| Voltage | 110 VAC / 60 Hz |
|---|---|
| Wire Gauge (runs < 800 ft) | 18-gauge |
| Wire Gauge (runs > 800 ft) | 14-gauge |
| Battery Type | 9-volt alkaline |
| Memory Backup Duration | Up to six hours |
| Watering Stations | Four, six, or eight |
No, the ISA Timer is for indoor use only. If outdoor installation is necessary, a water-resistant cabinet like the Rain Bird Model TC-2 must be used.
The timer will revert to its default watering program, which waters each station every day for 10 minutes starting eight hours after AC power resumes.
No, you must use a 9-volt alkaline battery; do not use a rechargeable battery.