Optima PRT-4 Manuale utente

AUTOMATIC

SPRINKLER TIMER

Owner’s Manual PRT-4 / PRT-6

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 PRT 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 PRT-4 / PRT-6 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 station to give you maximum flexibility.

• Off and Winterize features allow 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-

ico).

ABOUT YOUR LAWN

Optima's PRT Series Sprinkler Timer is the central unit that controls watering times for your automatic

sprinkler system. The following information 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.

Station

House

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

MO, WE and FR or TU, TH and SA. A schedule of Specific Days of the Week is especially useful if you

live in an area with local water restrictions that limit you to water, for example, on Mondays and Fridays

only.

Start Times

You can program your timer to start watering up to three times in one day. For example, you could set

watering Start Times of 3 a.m.,6 a.m., and 6 p.m. The system would then turn on the lowest numbered

station at 3 a.m., and would sequentially turn on the next station when that one has finished. Only one

station is watered at a time. The same cycle would repeat, beginning at the next scheduled Start

Time, in this example at 6 a.m.

Watering Duration

Each "station" can be scheduled to water for a different length of time, from 1 to 99 minutes. For exam-

ple, you might program Station 1 (your front lawn) to water for 5 minutes and program Station 2 (your

flower bed) to water for 10 minutes at each Start Time.

LEGEND:

M/A

A/B

Up Arrow

Down Arrow

Confirm Arrow

Manual On/Advance

Indicator Symbol

Dual Program Button

TOOLS YOU NEED

• Phillips head screwdriver

• Four #10 screws 1 1/4")

•9 volt alkaline battery

• 18 gauge color-coded, multi-strand direct burial wire for runs of less than 800 feet

(For longer than 800 feet runs, use 14 gauge color-coded, multi-strand direct burial wire)

• Watertight splice connectors

• Plastic mounting anchors - optional

SU MO TU WE TH FR SA

MANUAL DURATION1 2 3 4 5 6

Stations

Starts

MO WE FR TU TH SA

SKIP

Days of the Week

PM SWater Icon

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. (Important: DO NOT plug in the transformer until you hove made all wiring con-

nections.)

WARNING: When choosing a location, to avoid possible damage to the timer:

• DO NOT install in area where temperatures are less than 32° F or higher than 120° F.

• DO NOT install on same wall socket as other high current draw products such as garage door opener,

washer/dryer, air conditioner, etc.

• DO NOT install on outlet controlled by on/off switch.

HOW TO INSTALL

NOTE: You may install the timer using two screws aligned horizontally.

1. Screw two #10 screws into the wall 3 1/2" (88 mm) apart leaving 1/8" to

1/4" (3.2-6.4 mm) of the head extended from the wall. If mounting on plaster or masonry walls, plastic

anchors may be required.

2. Place the two keyholes "A" on the back of the timer over the screws.

3. To further secure the unit, open compartment cover and place screws (1 1/4" minimum length)

STEP 3: CONNECT BATTERY

Connect a 9 volt alkaline battery (not included) to the battery terminal and place it in the designated po-

sition. DO NOT USE A RECHARGEABLE BATTERY. In the event of a power outage, the battery will

temporarily preserve your Schedule (newly installed batteries can preserve programs for up to 1 month,

see note*). Watering will not occur until electrical power resumes.

(*NOTE: Battery operates memory back-up only. You can program your timer with battery power only;

however, the system will not operate the valves while on battery power.)

DEFAULT MODE: Should the battery fail during a power outage, the timer will default to watering every

day for 10 minutes per station, starting 8 hours after the power resumes, until reprogrammed.

TIP: Replace the battery once a year at the same time you would replace household smoke detector

batteries. 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.

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.

NOTE: Be sure the wire connections are tight and make good contact. Also, it is recommended that you

join all splices with watertight splice connectors to prevent corrosion.

CAUTION: Wire only one valve to each terminal. Wiring more than one could result in damage to the

timer. Also, if using more than one timer, do not share "common" wires between the multiple timers.

TIP: To avoid possible pump damage, "jumper" wire each unused terminal screw to a terminal screw in use. See figure below.

STEP 4: WIRE VALVES

1. Choose Wire (wire not included)

For runs of less than 800 feet, use 18 gauge color-coded, multi-strand direct burial wire. For runs of

longer than 800 feet, use 14 gauge color-coded, multi strand direct burial wire. Be sure the wire has

the number of strands equal to the number of valves used PLUS ONE for the Common Wire (e.g.

use 5 strand wire if there are 4 valves).

TIP: Spare wire strands maybe taped off for possible future expansion or trouble shooting use. Wire that will be buried under-

ground should have watertight connections and be approved for underground use. Avoid placing underground wire in locations

where it may be disturbed by digging or other movement.

2. Connect Valve Wiring to Timer

To open wiring area on timer, lift cover over bottom panel. To lift panels, push down on panel and

pull bottom outward. Each valve connects to the timer through two wires. One wire (usually the white

strand) is connected as the "common" wire. All common wires should be spliced together at the

valves to become a single wire that will connect to the terminal marked "COM". The second or "hot"

wire (usually the color-coded strand) from each valve connects to one of the terminals numbered 1-

6. See the figure below.

STEP 5: CONNECT TRANSFORMER

1. Turn dial to Off.

NOTE: In Off position display will be blank.

2. Plug pigtail connector (located at the end of

transformer wire) into the two prongs to the left

of the battery holder located under the cover of

the timer.

3. Plug transformer into electrical socket.

4. Turn dial to Auto. The following display should

appear:

TIP: If display does not come on, check the electrical outlet.

CAUTION: DO NOT plug in the transformer until

you have completed and checked all wiring con-

nections. DO NOT link two or more timers together

Off

Auto

SU MO TU WE TH FR SA

NOTE: Check local regulations to ensure compliance with any wiring, electrical or installation codes.

PROGRAMMING THE PRT-4 / PRT-6 Day/Clock

SU MO TU WE TH FR SA

Indicator Symbol

STEP 2: SET THE WATERING DAYS

When shipped from the factory the timer has a default

program with an 8 a.m. start time once a day, everyday.

When setting the days to water, you can select specific

days of the week (i.e. MO, TU, etc.), or water on interval

of days (i.e. every third day) or water on a PRESET

schedule of MO, WE, FR or TU, TH, SA.

A: WATERING ON SELECTED, SPECIFIC DAYS OF

THE WEEK

1.Turn the dial until it points to the Water Day position.

If you choose to select your watering days, continue

on to A-2. If you choose to water by interval days, pro-

ceed to step B-2.

2.At this point, the Sunday indicator symbol will be on

and the word ON or OFF will be flashing in the dis-

play.

3.If the display is correct, press the Ûbutton to go to

the next day, or press the Ýor Þarrow button to

change to the correct setting, then press the Ûbutton

to go to the next day.

4.At this time, the Monday indicator symbol will be on

and the word ON or OFF will be flashing in the dis-

play. Repeat step A-3 to continue on through the re-

mainder of the week setting the days of the week to

be ON (days to water) or OFF (days to not water).

Water Day

SU MO TU WE TH FR SA

STEP 1: SETTING CURRENT DAY AND TIME

TURN DIAL TO Day/Clock POSITION

1.An indicator symbol will blink under SU. Use the Ýor

Þarrow button to move the blinking symbol under the

current day. Press the Ûbutton to confirm the correct

setting.

2.The hour numbers will now be flashing. Use the Ýor

Þarrow button to adjust the hour number to the cur-

rent hour. Press the Ûbutton to confirm the correct

setting. Be sure AM or PM is properly showing.

3.The minute numbers will now be flashing. Use the Ý

or Þarrow button to adjust the minute number to the

current minute. Press the Ûbutton to confirm that the

current settings are correct. (NOTE: If further editing

of the current time is needed press the Ûbutton to

repeat the setting process.) Be sure AM or PM is

properly showing.

4.Return dial to Auto.

5. Press the Ûbutton to confirm the program. The

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. If there is an indicator symbol under any

of the above mentioned positions, press the Ýarrow

button until there is no symbol showing under any of

the above mentioned positions. Leave dial in Auto to

run or change dial to next setting position.

B: WATERING ON INTERVAL OF DAYS

1.Turn the dial until it points to the Water Day position.

2.At this point, the Sunday indicator symbol will be on

and the word ON or OFF will be flashing in the dis-

play. Press the M/Abutton and to change the display so

the day symbol moves under the SKIP at the top of

the display and the number of days in the interval will

blink.

3.Press the Ýor Þarrow button to adjust the number

of days you desire in the interval.

4.Press the Ûbutton and the Sunday symbol will blink.

Use the Ýor Þarrow button to change to the first day

you wish the interval to start.

5.Press the Ûbutton to confirm the program. The indi-

cator symbol will indicate Tuesday to start and day

interval.

6.Rotate the dial to Auto then press the Ýarrow button

until the symbol under SKIP is at the top of the dis-

play.

C: WATERING ON A PRESET MO, WE, FR OR A TU,

TH, SA SCHEDULE

1.Turn the dial to the Auto position.

2.Press the Ýarrow button until the day symbol indica-

tor moves under the (MO WE FR) or the (TU TH SA)

to set the water days to the desired fixed day sched-

ule.

3.Leave the dial in the Auto position to run automati-

cally or turn dial to the next setting position.

(PLEASE NOTE: There may be a 3 second delay

when moving between these preset programs and the

Auto

Water Day

Auto

SU MO TU WE TH FR SA

Auto

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.

1.Turn the dial to the Start Time position.

2.At this point the "A" indicator symbol will be on, and

the start time will be displayed (default is 8:00 a.m.).

The hour numbers will be blinking.

3.If the time is correct press the Ûbutton and go on to

setting the next start time or press the Ýor Þbutton

to set start time to the correct hour. (NOTE: The clock

will only start on the hour.) Once the Start Time is cor-

rect, press the Ûbutton to set the next Start Time.

4.At this point the "B" indicator symbol will be on, the

start time will be displayed, and either the hour num-

ber will be blinking or the word OFF will be blinking.

5.If you do not want a second cycle start for the pro-

gram leave the OFF blinking, and turn the dial to the

Auto position or the next programming function. If

you do want a second cycle start, then use the Ýor Þ

arrow button to set the second or "B" Start Time to the

hour you desire the cycle to start.

6.If the time is correct press the Ûbutton and go on to

setting the next start time ("C").

7.At this point the START indicator will be on “C,” and

the start time will be on. The hour number will be

blinking or the word OFF will be blinking.

8.If you do not want a third cycle start for the program

leave the OFF blinking and turn the dial to the Auto

position or the next programming function. If you do

want a third cycle then use the Ýor Þarrow button to

set the third or "C" Start Time to the hour you desire

the cycle to start.

(NOTE: To return to the 1st Start Time ("A") you will

need to press the Ûkey to confirm your program.)

9.Turn the dial to the Auto position or the next pro-

gramming function.

STEP 4: SET THE WATER TIME FOR EACH ZONE

1.Turn the dial to the Water Time position.

2.At this point the Station 1 indicator will be on and the

amount of time on that zone will be flashing. Press the

Ýor Þbutton to adjust the time to the number of

minutes Station 1 is desired to run. (NOTE: Each

zone can be set to run from 0 - 99 minutes.)

3.Press the Ûbutton to move to the next zone. (NOTE:

To return to Station 1 after the last station -4 or 6- you

will need to press the Ûkey to confirm the entry.)

Start

Time

Water Time

Auto

SU MO TU WE TH FR SA

4.At this point the next zone indicator symbol will be on

and the amount of time for that zone will be flashing.

Press the Ýor Þarrow to adjust the time to the cor-

rect amount of time.

5.Press the Ûbutton 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.

STEP 5: MANUAL START FOR A CYCLE OR A ZONE

1.Turn the dial to the Auto position

2.Press M/A(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.

3.To advance to the next station press the M/Abutton. If

you do not press this button, the unit will run through

each station for the amount of time programmed.

4.To turn on a specific station, press the M/Abutton re-

peatedly until the desired station is indicated.

5.To turn the unit OFF press either the M/Abutton repeat-

edly until time of day is displayed or turn the dial to

the Off position for 15 seconds then return to the

Auto position.

STEP 6: TURN UNIT OFF OR SHUT DOWN FOR RAIN

1.Turn dial to the Off position. Nothing will be displayed

at this time.

PLEASE NOTE: When dial is in the "Off” position,

there will be no display. If a battery is installed "AC" will

flash periodically.

Auto

SU MO TU WE TH FR SA

1 2 3 4 5 6 MANUAL DURATION

MAINTAINING YOUR SYSTEM

1.Winterize System

For winter months, this mode allows you to preserve

your programmed schedules while the timer is not in

operation: turn the dial to Off. Before shutting it down

for the winter, be sure to drain all water from pipes to

prevent freezing and damage to system. When

restarting timer for the year, turn dial bock to Auto.

WARNING: In areas prone to lightning storms, it is rec-

ommended to disconnect wires from the timer's ter-

minal screw strip and to unplug the transformer from

the outlet to protect the timer from lightning caused

power surges.

Off

MAINTAINING YOUR SYSTEM (CONTINUED)

2.Battery Back-UP

We recommend that you replace your battery every year at the same time you change your fire alarm

battery. If frequent power outages occur, you may need to replace the battery more frequently.

Need Help? Call toll-free: 1 (800) 742-9922

(U.S.A., Canada & Mexico)

TROUBLESHOOTING

For troubleshooting help, contact OPTIMA:

Customer Support Center

6991 E. Southpoint Rd., Bldg. #1

Tucson, AZ 85706

1 (800) 742-9922 (U.S.A., Canada and Mexico)

PROBLEM CHECK FOR

Display is Blank Burned out fuse (replace with 1/2 amp fuse, not included

with timer).

Transformer not plugged in.

Wall socket not supplying power.

Timer in OFF position.

"Frozen Display" Unplug, pull out battery and fuse, and let sit for 30 minutes.

Automatic and Manual Cycles do not turn

water on. Water source not supplying water.

Wires not properly connected.

Wires loose or severed.

Dial not set to Auto.

All stations turned OFF (to 0 minutes in water duration).

Valve does not shut off after watering at

scheduled time. Check valve.

Electronic board is "locked on".

Fuse blows out frequently and display goes

blank. Short in wiring between valve and timer.

Shorted solenoid on 1 or more valves.

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.

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