This document is the owner's manual for the OPTIMA PC-306/PC-406PS automatic sprinkler timer. The timer is designed for use with standard 24 VAC automatic sprinkler valves and can be used in any 110 VAC / 60 Hz ± 10% AC outlet (240 VAC, 50 HZ for international version). The timer provides simple programming and flexible schedules to meet your landscape watering needs. It is recommended to read this owner's manual completely before installing the timer to ensure proper operation and safety. Thank you for choosing the OPTIMA PC-306, PC-406PS timer. The timer features several innovative functions that allow you to tailor your program to fit a variety of watering requirements and is easy to program.
This manual provides instructions for the Optima PC-306 and PC-406PS automatic sprinkler timers, which are designed for use with standard 24 VAC automatic sprinkler valves. The devices allow users to program flexible watering schedules with up to three start times per day and adjustable durations for each station.
| Voltage | 110 VAC /60 Hz +10% AC |
|---|---|
| International Voltage | 240 VAC, 50 HZ |
| Transformer Voltage | 24 VAC |
| Wire Gauge (Short Run) | 18 gauge |
| Wire Gauge (Long Run) | 14 gauge |
| Max Run Length | 800 feet |
| Battery Type | 9 volt alkaline |
| Watering Duration | 1 to 99 minutes |
For runs longer than 800 feet, use 14 gauge color-coded, multi strand direct burial wire.
No, you must use a 9 volt alkaline battery and should not use a rechargeable battery.
The timer will default to watering every day for 10 minutes per station, starting 8 hours after the power resumes.