JED 603 User manual

JED 603 & 603HP INSTALLATION AND OPERATION MANUAL

DESCRIPTION

The JED 603 is designed for water purification in residential and commercial hot tubs, small pools, fountains, cisterns and water tanks up

to 10,000 gallons. The JED 603 is supplied in a plastic rainproof enclosure that can be wall mounted outdoors. The JED 603 has its own

air compressor which can pump ozone into a pool, tub or tank up to 24 hours a day independently of water circulation. The JED 603 is

typically installed in conjunction with an over the side kit or thru-hull fitting.

IMPORTANT SAFETY INSTRUCTIONS

When installing and using the JED 603 basic safety precautions should always be followed.

1. READ AND FOLLOW ALL INSTRUCTIONS.

2. DO NOT use the JED 603 for any purpose other than water purification and only according to the instructions.

3. DO NOT directly breathe the ozone from the discharge tube.

4. Ozone should not be released where water is not present. Inhalation can lead to irritation of lungs. If symptoms develop, move

the individual away from exposure and into fresh air. If symptoms persist seek medical attention.

5. DO NOT operate the JED 603 before it has been permanently mounted.

6. DO NOT touch the JED 603 when wet or with wet hands. Fatal electrical shock could result.

7. DANGER - To reduce the risk of injury, do not permit children to use this product.

8. Connect to a grounded grounding type receptacle of a 20 ampere or less branch circuit.

9. Do not bury the electrical cord.

10. WARNING - To reduce the risk of electrical shock, replace damaged cord immediately.

11. If the unit is connected to a ground fault circuit interrupter (GFI): Before each use of your spa (hot tub) test the GFI. If the

interrupter fails to operate in this manner, there is a ground current flowing, indicating the possibility of electrical shock.

Disconnect the plug from the receptacle until the source of the breakdown has been identified and corrected.

12. SAVE THESE INSTRUCTIONS.

SPECIFICATIONS

Ozone output –0.2 grams per hour

Input voltage – 120 VAC (240VAC units are marked accordingly)

Operating current – 0.67 Amperes

Power consumption – 80 Watts

Dimensions – 9 ½" x 8 ½" x 4 ½”

Air Compressor –0.67 gallons per minute air

MOUNTING

The JED 603 is housed in a rainproof enclosure that can be wall mounted either indoors or outdoors. It should be placed in close

proximity to where the ozone will be introduced to the water.

ELECTRICAL CONNECTION

1. Turn off power to the spa before attempting to install. The JED 603 should be wired to an appropriate 120 VAC source which will

be energized 24 hours a day.

2. The electrical installation must be made in accordance with local regulations. The standard NEMA line cord simply plugs into a

grounded 120 VAC wall outlet. Other plug configurations are also available. (See service parts list.) Overcurrent protection

must be provided by connection to a branch circuit rated at 20 amperes or less. If you are hard wiring the unit, follow the spa

manufacturer’s installation instructions. The color codes of the wires from the ozonator to the spa are as follows: GREEN IS

GROUND, BLACK IS HOT AND WHITE IS NEUTRAL.

3. An Intermatic® heavy duty multi-setting timer is recommended for setting JED 603 operation times.

OZONE HOSE TO SPA

1. Connect the long ¼” tube to the black check valve, which is protruding from the bottom of the JED 603.

2. Attach the other end of the ¼” tube to the optional weighted airstone. Lower the weighted stone into the water so it rests at or

near the bottom to a maximum depth of 4 feet (JED 603HP max is 8 feet). If the water is deeper than recommended for your

model, then a float should be devised to keep the airstone at a maximum depth of 4 feet (8 feet for HP models). Make 2 loops in

the ¼” tube above the water line, known as a Hartford Loop. This will help prevent water from back flowing into the ozonator in

the event of a check valve failure.

3. Ozone can also be introduced from the JED 603 via an ozone resistant thru-hull fitting or a hose-bib adapter connected to the

drain valve. Water Tank Installation with “over the side kit”

INITIAL WATER PURIFICATION

1. Shock the spa water with liquid chlorine using 1/4 cup of chlorine for each 100 gallons of spa capacity. Other oxidizing agents,

such as hydrogen peroxide, or monosodium persulfate can be substituted and their instructions should be followed.

2. Because metal compounds can be precipitated out of solution with the use of ozone, it is recommended to use a commercially

available metal remover such as "Protect All" or "Metal Magnet."

3. Allow filtration pump to run continuously for 2 days without turning on the JED 603 ozone generator.

4. After following step 3, set the filtration pump timer to run according to the spa manufacturer's recommendations, or a minimum of

60 minutes per day.

5. Activate the JED 603 by plugging it in and adjusting the timer on the spa to run at the appropriate times (see customer

adjustments section.)

6. Clean the spa filter after the first week of operation and again in one week.

CUSTOMER ADJUSTMENTS

Recommended operation times for the JED 603 are as follows:

Spa or Tank Size in

Gallons

Hours Per Day

500-1000

1000-2500

2500-5000

5000-10,000

JED Engineering has heavy duty, multi-setting Intermatic® timers available for purchase.

Max Depth – 603: 4 ft. / 603 HP: 8 ft.

(Two Loops – 6” - 10” Diameter)

MAINTENANCE AND DAILY USE

1. Use of an ozonator requires water filtration to remove dead bacteria and algae. In order to derive the maximum benefits from the

JED 603 ozone generator, the filtration pump should be run a minimum of 60 minutes per day.

2. Clean the filter monthly and check more often if it seems necessary.

3. If during use of spa it is felt undesirable to have the ozone entering the water, turn the unit off.

4. The ozone generating CD subassembly has a defined life and eventually will need to be replaced.

5. To replace the CD subassembly, see "CD Subassembly" section of these instructions.

6. A residual ring ("bathtub ring") is experienced in all spas and is best removed with a product specifically designed for this

purpose. The best non-chlorine chemical for this process is monosodium persulfate.

7. Although ozone is a more powerful killer of bacteria and other microbes than any chemical, such as chlorine, there is one

advantage to chemical purification. The killing effect of ozone in the spa is generally limited to contact of the outside sphere of

the bubbles with the water, and the killing effect of the chemicals is affected by mixing into the water. Because of this difference

when ozone is employed, surfaces (such as spa walls and bottom) are not disinfected, for only the water is disinfected. During

spa use bacteria may cling to the surfaces which results in a slippery feel. These bacteria can be eliminated by using a towel or

rag and wiping down these surfaces followed by using the filtration pump for approximately one hour. A shock of any liquid or

powdered dissolvable disinfectant will also eliminate the slippery surface. The human body will usually excrete about 1/4 cup of

perspiration during spa use, so it is easy to understand how bacteria are introduced into the water.

SHOCKING WITH LIQUID CHLORINE

In the event that the spa water has become cloudy, it is necessary to shock the water with chlorine or bromine. Cloudy water is caused by

excessive use of the spa, which introduces contaminants, particularly bacteria. A guide for shocking for each 100 gallons of water is as

follows: Normal shock: 1/4 cup, Heavy shock, 1 cup. The JED 603 can be used in combination with chlorine, ionization or Baquacil.

The recommended pH for spas is 5.5 or higher. Refer to your spa manufacturer's owner manual for further details. Ozone purification is

very user friendly and does not require a specific pH level to be effective. A lower pH than required for chlorine is healthier for the skin

and hair.

CD SUBASSEMBLY REPLACEMENT

The anticipated life expectancy of the CD subassembly is approximately 2-3 years, depending on the ozonator run time. After 2 years, we

recommend replacing the CD subassembly. When replacing it, specify JED Engineering part number 80-39-70200.

INSTRUCTIONS FOR REPLACEMENT OF CD SUBASSEMBLY

1. Turn off power. Let unit cool.

2. Remove six holding nuts on CD subassembly.

3. Snip both connection wires between the CD subassembly and the transformer.

4. Wire the new CD subassembly to the transformer with the wire nuts supplied.

5. Reattach the ozone resistant tubing and tighten back down with the six holding nuts. Do not over tighten.

View with door open

For CD subassembly replacement on the JED 603, call your local dealer or contact the factory.

REPLACEMENT OF AIR PUMP

1. Turn off power to unit.

2. Remove two wire nuts (power in connection) and two holding nuts.

3. Replace old air pump and reverse step 2.

4. Insert clear tubing into air intake side of CD cylindrical component.

When replacing the air compressor on the JED 603, specify JED Engineering part number 90-65-10010.

SERVICE

JED 603 INSTALLATION AND SERVICE PART NUMBERS

Installation and

Service Parts

Part Number

Power Cords and Power

Accessories

Part Number

Over the Side Kit

90-65-10091

Nema Wall Plug

50-50-55001

Check Valve

90-65-10050

Amp 4 pin

50-50-55002

Tubing

35-25-40041

J + J plug

50-50-55004

Multihose Adapter

35-39-65160

Mini J + J plug

50-50-55008

CD Sub Assembly

80-39-70200

Hot Springs J + J

50-50-55011

Hose Bib Adapter

90-65-10090

Pacific Marquis J + J

50-50-55030

Thru Hull (1 5/8”)

90-65-10070

Molex Sundance Plug

50-50-55000

Thru Hull (13/16”)

90-65-10065

Transformer 120V

30-38-00100

Replacement Pump Kit

90-65-10010

Timer

80-39-65030

In the event that the JED 603 fails to operate, please contact the factory for repair or replacement. The JED 603 is covered by a one-year

full warranty. It is also designed to be field serviceable.

OZONE INFORMATION AND HELPFUL HINTS

1. The water should be changed a minimum of twice per year. The Canadian Standards Association, CSA, recommends changing

the water once per month.

2. The ozone-laden air kills algae and bacteria upon contact as the bubbles rise in the water. The ozone does not readily combine

with the water and consequently the surface area of the bubble is the point of contact between ozone and the contaminants.

3. The ozone is produced in the JED 603 when air passes through a high voltage electrical discharge or "corona."

4. The ozone residual in the water is so slight that inexpensive test kids are not accurate enough to readily test for the existence of

ozone.

5. Verification that the unit is working is demonstrated by the smell of ozone and by bubbles coming to the water surface from the

ozone discharge tube.

6. The JED 603 is more effective when a spa cover is utilized.

7. In the event of a power outage or other event that causes the JED 603 to be off for a duration of time, it is necessary to "shock"

the water with chlorine. Use 1/4 cup of chlorine for every 100 gallons and do not use the spa for several days.

8. Even though the unit is performing effectively, there can still be discoloration at the water line caused by human body excretion.

To remove, use any good chemical preparation for this purpose such as monosodium per sulfate or liquid chlorine.

9. Cleaning the filter more often is frequently required with ozone purification.

10. WARNING -- Nitric acid crystals may accumulate in the air lines of the ozonator and injector. Nitric acid can cause chemical

burns if direct skin contact is made, so always wear protective gloves, glasses, and clothing when working on the ozonator or

injector air lines. To prevent inhaling or ingesting, do not blow into any of the adapters, fittings, or tubing.

JED ENGINEERING, INC.

8614 Argent Street, Suite H

Santee, CA 92071

(619) 401-8770 phone

(619) 401-8774 FAX

(800) 552-8838

Visit us on the web at www.jedengineering.com

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