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AUTOMATIC
SPRINKLER TIMER
Owner's Manual PC-306/PC-406PS
For use with standard 24 VAC automatic sprinkler valves. These timers are designed for use in any 110
VAC /60 Hz ±10% AC outlet (240 VAC, 50 HZ for international version). The PC Sprinkler Series
Timers provide simple programming and flexible schedules to meet your landscape watering needs.
We recommend you 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. Several innovative features allow you
the flexibility to tailor your program to fit a variety of watering requirements; and, best of all, it is easy to
program!
• Simple to use dials and buttons.
• Three available start times for each program to give you maximum flexibility.
• Off feature allows you to keep all your program settings while turning off your system when you want!
Just in case, if you have questions, please call us toll free at 1-800-742-9922. (U.S.A., Canada & Mex-
ABOUT YOUR LAWN
ico only).
Optima's PC Series Sprinkler Timer is the central unit that controls watering times for your automatic
sprinkler system. The following infromation provides an overview of how the timer works.
Stations
To meet the different watering requirements of your lawn, trees, flowers, and other landscaping, you
can divide your yard into separate areas called "stations" or "zones".* Each "station" has one valve that
controls multiple spray heads or sprinklers. For example, if you have 4 valves, you can divide your lawn
into 4 "stations". See the figure below. (You cannot link more than one valve to one "station.") You can
however, select a different length of watering time for each "station".
* In the sprinkler industry, the terms "stations" and "zones" have the same meaning.
"Legend" for this manual is located on the next page.
Station
3
House
Station
1
Station
4
Station
2
1
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Table of Contents
Related Manuals for Optima PC-306
Summary of Contents for Optima PC-306
- Page 1 Just in case, if you have questions, please call us toll free at 1-800-742-9922. (U.S.A., Canada & Mex- ABOUT YOUR LAWN ico only). Optima's PC Series Sprinkler Timer is the central unit that controls watering times for your automatic sprinkler system. The following infromation provides an overview of how the timer works. Stations To meet the different watering requirements of your lawn, trees, flowers, and other landscaping, you can divide your yard into separate areas called "stations"...
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Page 2: Tools You Need
LEGEND: Up Arrow TU TH SA MO WE FR Days of the Week SKIP Down Arrow MO TU WE TH Confirm Arrow Water Icon Starts Manual On/Advance 1 2 3 4 5 6 MANUAL DURATION Indicator Symbol Stations Dual Program Button Watering Schedule (Days) You can choose how often to water your lawn in one of three ways: 1) by Specific Days of the Week (MO, TU, WE, etc.), 2) by Day Intervals (Every day, Every 2 days or Every 3 days), or 3) by a choice of... -
Page 3: How To Install
HOW TO INSTALL STEP 1: CHOOSE TIMER LOCATION Select an INDOOR location near a standard 120 volt AC electrical outlet (240 Volt outlet for 50 HZ units). The location should be completely protected from moisture, direct sunlight and below freezing temperatures. - Page 4 Connect the one common wire (usually the white strand) to the terminal labeled "COM". Connect the second "hot" wire (usually the color-coded strand) from each valve to one of the terminals numbered 1 -6 on the number of stations on your timer model. Connect wire from valve 1 to terminal 1, valve 2 to terminal 2, etc.
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Page 5: Step 4: Connect Transformer
When replacing, do not unplug the transformer, or you will lose all programmed settings. CAUTION: Do not allow the battery to come in contact with the wire terminal strip. You may now begin to program your new PC-306 timer. Please turn to page 9 to program your PC-406PS timer. -
Page 6: Step 1: Setting Current Day And Time
PROGRAMMING THE PC-306 Day/Clock STEP 1: SETTING CURRENT DAY AND TIME TURN DIAL TO Day/Clock POSITION 1. An indicator symbol will blink under SU. Use the Ý or Þ arrow button to move the blinking symbol under the current day. Press the Û button to confirm the correct setting. - Page 7 5. Press the Û button to confirm the program. The Auto lights and display will be on steady to show how the program is set. 6. Rotate the dial to Auto make sure there is not a sym- bol showing under the SKIP, MO, WE, FR, or TU, TH, SA position.
- Page 8 STEP 3: SET THE WATERING START TIMES When shipped from the factory the timer has a default program with an 8 a.m. start time once a day, everyday. 1. Turn the dial to the Start Time position. Start 2. At this point the "A" indicator symbol will be on, and the Time start time will be displayed (default is 8:00 a.m.).
- Page 9 4.Press the Û button to move to the next zone and re- peat Step 4 for the remainder of the zones or turn the dial to the Auto position to activate the automatic schedule. 5.Press the Û button to move to the next zone. (NOTE: To return to Station 1 after the last station, you will need to press the Û...
- Page 10 3.The minute numbers will now be flashing. Use the Ý or Þ arrow button to adjust the minute number to the current minute. Press the Û button to confirm that the current settings are correct. (NOTE: If further editing of the current time is needed press the Û button to repeat the setting process.) Auto 4.Return dial to Auto.
- Page 11 B: WATERING ON INTERVAL OF DAYS FOR THE "A" OR “B” PROGRAM 1.Rotate the dial until it points to the Water Day posi- tion. At this point a flashing "A" or "B" will show in the display. 2.Push the until the desired Program "A" or “B" is flashing in the display.
- Page 12 STEP 3: SET THE WATERING START TIMES When shipped from the factory the timer has a default Start program with an 8 a.m. start time once a day only in Time Program "A". 1.Rotate the dial until it points to the Start Time posi- tion.
- Page 13 STEP 5: MANUAL START FOR CYCLES OR ZONES FOR "A" OR "B" PROGRAM Auto 1.Turn the dial to the Auto position 2.Press the button to select the desired program. 3.Press (MANUAL ON/ADVANCE: ) button. This will cause the Station 1 indicator symbol to turn on. The time the station is scheduled to run will show in the display and the water on ICON (S) will appear.
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Page 14: Maintaining Your System
Single station does not shut off Valve is stuck. Fuse blows as soon as timer is plugged in. Bad transformer, or electrical short in timer. For troubleshooting help, contact: OPTIMA Customer Support Center 6640 S. Bonney Ave., Tucson, AZ 85706 1 (800) 742-9922...