ZODIAC Nature 2 Fusion Inground All In One Mineral Sanitizer and Precision Chlorine Tablet Dispenser User Manual

: June 9, 2024
: Zodiac

INSTALLATION AND OPERATION MANUAL
ZODIAC Nature 2 Fusion Inground All In One Mineral Sanitizer and Precision
Chlorine Tablet Dispenser

WARNING
FOR YOUR SAFETY – This product must be installed and serviced by a contractor who is licensed and qualified in pool equipment by the jurisdiction in which the product will be installed where such local requirements exist. In the event no such local requirement exists, the maintainer must be a professional with sufficient experience in pool equipment installation and maintenance so that all of the instructions in this manual can be followed exactly. Before installing this product, read and follow all warning notices and instructions that accompany this product. Failure to follow warning notices and instructions may result in property damage, personal injury, or death. Improper installation and/or operation will void the warranty. Improper installation and/or operation can create unwanted electrical hazard which can cause serious injury, property damage, or death.

Section 1. Important Safety Instructions

READ AND FOLLOW ALL INSTRUCTIONS
When installing this equipment, basic safety precautions should always be followed, including the following:

WARNING
EQUIPMENT UNDER PRESSURE: Always turn pump off prior to installing or changing any Nature 2 vessel or cartridge or chlorine cell. Your pump/filter system is operated under pressure and the pressure must be released before you begin work. Please see your pump/filter owner’s manual for further instructions.
DANGER
CHEMICAL USE HAZARD : The Nature 2 Fusion is designed to use only Trichloro-S-Triazinetrione tablets – slow dissolving type. Never mix or use with other types of chlorine or chemicals. Explosion or fire may result.

Exercise extreme caution when opening or servicing your feeder.
Always shut off pump and available valves before opening. Do not inhale any fumes from any chemical feeder or container. Protect your eyes, skin and clothing from chemicals at all times.
NEVER open chlorinator when pump is running.
Make sure to slowly add the Tri-Chlor tablets to the feeder to avoid splashing of chlorinated water.
To prevent build up of gas in chlorinator, be sure pool return line valve(s) is kept open – except when opening/ servicing unit.
Always read label and carefully follow chlorine manufacturer’s and dealer’s recommendations for proper water conditioning and daily chlorine requirements for your particular pool and area.

DANGER
To reduce the risk of injury, do not remove the suction fittings of your spa or hot tub. Never operate a spa or hot tub if the suction fittings are broken or missing. Never replace a suction fitting with one rated less than the flow rate marked on the equipment assembly.
WARNING
When mixing acid with water, ALWAYS ADD ACID TO WATER. NEVER ADD WATER TO ACID.
WARNING
To Reduce the Risk of Injury
The water in a spa should never exceed 40°C (104°F). Water temperatures between 38°C (100°F) and 40°C (104°F) are considered safe for a healthy adult. Lower water temperatures are recommended for young children and when spa use exceeds 10 minutes. Bathing in spa water at 40°C (104°F) should not exceed 15 minutes.

Since excessive water temperatures have a high potential for causing fetal damage during the early months of pregnancy, pregnant or possibly pregnant women should limit spa water temperatures to 38°C (100°F).
Before entering a spa or hot tub, the user should measure the water temperature with an accurate thermometer since the tolerance of water temperature-regulating devices varies.
The use of alcohol, drugs, or medication before or during spa or hot tub use may lead to unconsciousness with the possibility of drowning.
Obese persons and persons with a history of heart disease, low or high blood pressure, circulatory system problems, or diabetes should consult a physician before using a spa.
Persons using medication should consult a physician before using a spa or hot tub since some medication may induce drowsiness while other medication may affect heart rate, blood pressure, and circulation.

PREVENT CHILD DROWNING : Do not let anyone, especially small children, sit, step, lean or climb on any equipment installed as part of your pool’s operational system. Locate the components of your operational system at least one (1) metre (3 ft) from the pool so children cannot use the equipment to access the pool and be injured
or drown.

WARNING

People with infectious diseases should not use a spa or hot tub.
To avoid injury, exercise care when entering or exiting the spa or hot tub.
Do not use drugs or alcohol before or during the use of a spa or hot tub to avoid unconsciousness and possible drowning.
Pregnant or possibly pregnant women should consult a physician before using a spa or hot tub.
Water temperature in excess of 38°C (100°F) may be injurious to your health.
Before entering a spa or hot tub measure the water temperature with an accurate thermometer.
Do not use a spa or hot tub immediately following strenuous exercise.
Prolonged immersion in a spa or hot tub may be injurious to your health.
Do not permit any electric appliance (such as a light, telephone, radio, or television) within 1.52 m (5 ft) of a spa or hot tub.
The use of alcohol, drugs or medication can greatly increase the risk of fatal hyperthermia in hot tubs and spas.
Water temperature in excess of 38°C (100°F) may be hazardous to your health.

WARNING
Prolonged immersion in hot water may induce hyperthermia. Hyperthermia occurs when the internal temperature of the body reaches a level several degrees above the normal body temperature of 37°C (98.6°F). The symptoms of hyperthermia include dizziness, fainting, drowsiness, lethargy, and an increase in the internal temperature of the
body. The effects of hyperthermia include:

Unawareness of impending danger;
Failure to perceive heat;
Failure to recognize the need to exit spa;
Physical inability to exit spa;
Fetal damage in pregnant women; and/or
Unconsciousness resulting in a danger of drowning.

CAUTION
It is important to note that certain materials used in and around swimming pools and spas may not be compatible with chemicals commonly used to purify pool and spa water (e.g. acids, chlorine, salt, stabilizers, etc.). As such, Zodiac Pool Systems, Inc. does not warrant or guarantee that the chlorinated water generated by the Nature 2
Fusion will not damage or destroy certain types of plants, decking, coping and other materials in and around your pool and/or spa. Before selecting materials to be used in and around your pool and/or spa, please discuss all options with your contractor to assess the compatibility of such materials and chemicals. Some helpful considerations may include:

Choosing plants that can withstand splash out of pool water containing chlorine and/or salt and other water purification chemicals.
All metal components used in and around a pool should be of a high grade, quality stainless steel.
Careful selection of masonry products. The porosity and hardness of natural stones varies greatly. Therefore we recommend you consult with your builder or stone contractor on the best choice for stone materials around your pool or spa.
Sealing all masonry products. Professionals in the stone industry specify that even natural stone, especially when used outdoors, be sealed to prevent weathering, staining, and premature degradation. Consult with your stone or deck contractor for the proper sealer for the masonry products you have selected to use around your pool or spa.
For optimal results, sealers should be reapplied on a regular basis. Reapply the protective sealer on a schedule per the manufacturer’s instructions.

SAVE THESE INSTRUCTIONS

Section 2. System Description

ZODIAC Nature 2 Fusion Inground All In One Mineral Sanitizer and Precision
Chlorine Tablet Dispenser - fig

2.1 Product Description
The Nature 2 Fusion Inground system is an all-in-one mineral sanitizer and precision chlorine tablet dispenser that combines Nature 2 mineral-based technology with a tri-chlor tablet feeder. Nature 2 technology delivers controlled trace amounts of beneficial minerals to help maintain bacteria and algae-free pool.
2.2 Product Specifications

Capacity| For Pools up to 25,000 gal (95,000 L)| For Pools up to 35,000 gal (135,000 L)| For Pools up to 45,000 gal (170,000 L)
---|---|---|---
Replacement Nature2 cartridge (sold separately)
Important: The proper replacement cartridge model is indicated on the front label of the Nature2 Fusion| DuoClear 25 or Nature2 Fusion 25

W28000 (single)

W26000 (4-pack)| DuoClear 35 or Nature2 Fusion 35

W28001 (single)

W26001 (4-pack)| DuoClear 45 or Nature2 Fusion 45

W28002 (single)

W26002 (4-pack)

Section 3. Installation Instructions

** WARNING
FOR YOUR SAFETY: This product must be installed and serviced by a professional pool/spa service technician as described on the front cover of this manual. The procedures in this manual must be followed exactly. Failure to follow warning notices and instructions may result in property damage, serious injury, or death. Improper
installation and/or operation will void the warranty.
WARNING
EQUIPMENT UNDER PRESSURE: Always turn pump off prior to installing or servicing the Nature2 Fusion.
Your pump/filter system is operated under pressure and the pressure must be released before you begin work.
Please see your pump/filter owner’s manual for further instructions.
3.1 Materials and Tools**

Installation Materials Furnished	Tools Needed for Installation

Nature 2 Fusion Vessel with 2” (5 cm) – 2 1/2” (6.3 cm) Universal Unions
Installation and Operation Manual| Tape Measure
Phillips & Flathead Screwdrivers
Pliers
Hacksaw
An NSF ® approved All Purpose Cleaner Primer
An NSF approved All Purpose Cement
(such as Weld-On 794, 793)

3.2 Installation Requirements
Decide where to install the Nature 2 Fusion vessel.

The vessel must be installed on a 17” (43 cm) length of pipe.
The vessel must be installed on the existing pad or a concrete slab to support the weight.
The vessel must be installed as the last piece of equipment in the circulation plumbing system just before the pool with the Nature 2 side as the inlet and the chlorine side as the outlet.
The vessel must be installed downstream from the heater or heater damage may occur.
If the vessel is installed below the pool water level, it must be installed with a check valve. The check valve will isolate the vessel and prevent pool draining during installation, cartridge change, or chlorine tablet addition.
If plumbing size is greater than 2” (5 cm) diameter or if flow rates are greater than 120 gpm (455 lpm), the vessel must be installed in a bypass configuration (see Section 3.5).
If the vessel is used with a water feature line system, it must be installed in a split-return configuration or vessel damage may occur (see Section 3.6).
Never install the Nature 2 Fusion feeder directly into copper plumbing as pipe damage may occur. If brass or bronze backwash valves, or other sensitive metallic components are installed, consult your dealer for recommendations on your particular system.

3.3 Anchoring the Vessel to the Equipment Pad
In some areas, for example Florida, building codes require that all appliances be securely fastened to the equipment pad in order to withstand high wind pressures created by hurricanes. Please follow all local codes and standards.
NOTE Anchor screws and washers for securing the vessel to the equipment pad are not included with the vessel. Zodiac Pool Systems, Inc. (“Zodiac”) recommends that a 2¼” X ¼” (5.7 cm X 0.6 cm) long stainless steel Tapcon ® concrete screw and stainless steel flat washer are used to mount each of the two (2) anchors in the base to the equipment pad. The Tapcon concrete screw meets Florida building code requirements.

Manually snap on the two (2) clip-type anchor brackets onto the side feet of the vessel as shown in Figure 2. Make sure these anchor brackets are attached firmly to the feet of the vessel.
Place the vessel on the pad and mark the location of each hole of the anchor brackets on the concrete pad.
Drill a 5/32” (0.5 cm) hole in the concrete at each of the two (2) hole locations of the anchor brackets. The correct size concrete drill bit should be obtained when the concrete screws are purchased.
Install the Tapcon screws and washers into each of the two (2) holes to secure the vessel to the equipment pad.
Do not over-torque the screws.

ZODIAC Nature 2 Fusion Inground All In One Mineral Sanitizer and Precision
Chlorine Tablet Dispenser - fig 1

3.4 Nature 2 Fusion Installation ZODIAC Nature 2 Fusion Inground All In One
Mineral Sanitizer and Precision Chlorine Tablet Dispenser - fig
3

Make sure the pool pump is turned off.
Remove the temporary cap on the cartridge side of the vessel, and install the Nature 2 start-up cartridge included in the box.
Locate a suitable section of pipe to install the vessel, approximately 17” (43 cm) long, that conforms to the installation requirements outlined in Section 3.2.
Cut out a 13 7 /8” (35 cm) section of the 2” (or 5 cm) pipe to insert the vessel (see Figure 4).
Connect the outlet from the filter or heater to the vessel inlet port with the appropriate Schedule 40 PVC pipe; secure the connection with a pipe glue that is compatible with PVC.
NOTE Reducer bushings can be used to accommodate 1.5” (3.8 cm) plumbing with no effect on the operation of the Nature 2 Fusion.
Connect the vessel outlet port to the pool return line with the same type of PVC pipe and secure the connection with pipe glue. Allow sufficient time for the glue to dry.
Hand tighten all unions, plug, and collars.
CAUTION
Be careful not to get a finger caught between inlet union and plug when tightening as this may cause an injury.
Start the pump and check for leaks.

ZODIAC Nature 2 Fusion Inground All In One Mineral Sanitizer and Precision
Chlorine Tablet Dispenser - fig 8

3.5 Bypass Installation
If plumbing size is greater than 2” (5 cm) diameter or if flow rates are greater than 120 gpm (455 lpm), the vessel MUST be plumbed on by-pass. It is recommended that 2” (5 cm) PVC Schedule 40 pipe is used to plumb the by-pass line. A control valve must be installed to regulate the flow through the vessel. It can be installed on the inlet side of the vessel or between the inlet and discharge side of the bypass piping (see Figure 5).

Make sure the pool pump is turned off.
Remove the temporary cap on the cartridge side of the vessel, and install the Nature start-up cartridge included in the box.
Locate a suitable section of pipe in the by-pass line to install the vessel, approximately 17” (43 cm) long, that conforms to the installation requirements outlined in Section 3.2.
Install tees in the return line to allow water to be diverted to the vessel.
Connect the bypass line from the first tee to the inlet of the vessel and from the outlet of the vessel to the second tee.
Install a control valve in the return line between the first and second tee or prior to the vessel inlet on the bypass line to control the water flow through the bypass.
Fully open any closed valves, including the control valve, and start the pump diverting water through the new bypass.
Hand tighten all unions, sensors, and collars.
CAUTION
Be careful not to get a finger caught between inlet union and plug when tightening as this may cause an injury.
Check the vessel and system for leaks.

ZODIAC Nature 2 Fusion Inground All In One Mineral Sanitizer and Precision
Chlorine Tablet Dispenser - fig 9

3.6 Split-Return Installation
If the vessel is used with a water feature line system, it must be installed in a split-return configuration or vessel damage may occur (see Figure 6).

Make sure the pool pump is turned off.
Remove the temporary cap on the cartridge side of the vessel, and install the Nature start-up cartridge included
in the box. Do not throw out the cap. It will be used for winterization of the system. 2
Locate a suitable section of pipe to install the vessel that conforms to the installation requirements outlined in Section 3.2.
Install a 3-way valve in the return line to allow water to be diverted/restricted to the vessel and water feature line.
Fully open any closed valves, including the 3-way, to allow unrestricted flow to the vessel and water feature line.
Hand tighten all unions, sensors, and collars.
CAUTION
Be careful not to get a finger caught between inlet union and plug when tightening as this may cause an injury.
Start the pump and allow water to pass through the newly plumbed system. Check for leaks.
Make sure the flow rate to the Nature 2 Fusion does not drop below 30 gpm (114 lpm).

Section 4. Pool Water Preparation

4.1 Determining Pool Size (Gallons of Water in Your Pool)

Rectangular Pools
Average length (feet) x average width (feet) x average depth (feet) x 7.5 = gallon capacity.
Circular Pools
Diameter (feet) x diameter (feet) x average depth (feet) x 5.9 = gallon capacity.
Oval Pools
Long diameter (feet) x short diameter (feet) x average depth (feet) x 5.9 = gallon capacity.
Sloping Sides
Multiply total gallons by 0.85 = gallon capacity.

4.2 Determining Pool Size (Litres of Water in Your Pool)

Rectangular Pools
Average length (meters) x average width (meters) x average depth (meters) x 1000 = litres capacity.
Circular Pools
Diameter (meters) x diameter (meters) x average depth (meters) x 790 = litres capacity.
Oval Pools
Long diameter (meters) x short diameter (meters) x average depth (meters) x 790 = litres capacity.
Sloping Sides
Multiply total litres by 0.85 = litres capacity.

4.3 Selecting Cartridge Size

For Pools up to 25,000 gal (95,000 L)| For Pools up to 35,000 gal (135,000 L)| For Pools up to 45,000 gal (170,000 L)
---|---|---
DuoClear ® 25 or Nature 2 Fusion 25

W28000 (single)

W26000 (4-pack)| DuoClear 35 or Nature 2 Fusion 35

W28001 (single)

W26001 (4-pack)| DuoClear 45 or Nature

Fusion 45

W28002 (single)

W26002 (4-pack)

General Rule of Sizing: In areas with year-round use and high water temperatures, such as Florida, Texas, Arizona, Las Vegas and Southern California, the following must be considered:
High Water Temperatures: Because chlorine demand increases with the rise of water temperature, adjustments must be made in order to keep up with chlorine demand. In hot summer months, where the water temperature rises above 85ºF, you must increase the pump run time and increase the chlorine output.
4.4 Chemistry You Need to Know

Chlorine Stabilizer (cyanuric acid) is needed to maintain proper levels of chlorine. Most non stabalized chlorine is destroyed by the UV radiation from the sun within two (2) hours. Chlorine stabilizer should be maintained between 10 – 50 PPM. The addition of chlorine stabilizer is not necessary for indoor pools.
Nitrates can cause extremely high chlorine demands and will deplete chlorine from your swimming pool. In some cases nitrates may even lower your chlorine levels to zero. Your local service representative can test for nitrates. Make sure nitrates are not present in your pool.
Metals (some metals) can cause loss of chlorine. Also, metals can stain your pool. Have your local service representative check for metals and recommend methods of removal.
Chloramines should not be present in pool water. When organic materials combine with free chlorine, chloramines are formed. This ties up the free chlorine in your pool and does not allow the chlorine in your pool to disinfect. Chloramines also cloud pool water and burn the eyes. Shock to remove chloramines at the initial startup
of the pool.
Super Chlorination burns out the organic material that has combined with chlorine. This frees the chlorine for sanitizing. This is accomplished by raising the chlorine level quickly and dramatically.
Shocking (Superoxidation) is also a means of burning out the organic material that has combined with chlorine. This method involves the manual addition of chemicals to quickly raise the level of chlorine. When the chlorine level is quickly raised to 5 – 15 ppm the pool water is said to have been shocked.
NOTE On initial startup of a pool, it is best to shock from an alternate source, i.e., use a shock treatment available at your local pool supplier.
New pool water in a recently filled or newly refinished pool may contain undesirable matter. This undesirable matter could interfere with the vessel’s ability to sanitize properly. Make sure the water is tested by a service representative and properly balanced before turning on the chlorinator system.
Sequestering Agents may be used in some areas where the total hardness of your source water may be unusually high. High total hardness can contribute to scale formation in the pool. Sequestering agents will help keep minerals in solution and under some conditions can prevent this from happening. Consult your service representative about the use of a sequestering agent.

4.5 Optimum Pool Water Conditions
In accordance with Association of Pool and Spa Professionals (APSP) standards, we recommend the following water balance conditions be maintained on an on- going basis to protect the pool finish and equipment and ensure the pleasing appearance of the water. The Nature 2 Fusion is warranted to operate properly only if these conditions are met.

Free Chlorine 0.5 – 1.0 ppm. Continuous exposure to levels above 3.0 ppm may cause corrosion of pool metals. Refer to Section 6.2 for Chlorine Testing.
Combined Chlorine (Chloramines) None (Super chlorinate to remove all chloramines).
pH 7.4 – 7.6 (Use muriatic acid to lower pH and soda ash to raise pH).
Chlorine Stabilizer (Cyanuric Acid) 10 – 50 ppm.
Total Alkalinity 80 – 120 ppm.
Calcium Hardness 175 – 400 ppm.
Metals (Iron, Manganese) None.
Nitrates None.
Phosphates None.

4.6 Chlorine Stabilizer Information
Table 1.
Aproximate Pounds and Kilograms of Stabilizer Needed to Obtain 50 ppm

Current
Cyanuric
Acid Level –
ppm| Gallons and (Liters) of Pool/Spa Water
---|---
10,000 gal (38,000 L)| 15,000 gal
(57,000 L)| 20,000 gal
(76,000 L)| 25,000 gal
(95,000 L)| 30,000 gal
(113,000 L)| 35,000 gal
(132,000 L)| 40,000 gal
(151,000 L)| 45,000 gal
(170,000 L)
0| 4.2 lbs
(1.9 kg)| 6.3 lbs
(2.9 kg)| 8.4 lbs
(3.8 kg)| 10.5 lbs
(4.8 kg)| 12.6 lbs
(5.7 kg)| 14.8 lbs
(6.7 kg)| 16.9 lbs
(7.6 kg)| 19.0 lbs
(8.6 kg)
10| 3.4 lbs
(1.5 kg)| 5.1 lbs
(2.3 kg)| 6.7 lbs
(3.1 kg)| 8.4 lbs
(3.8 kg)| 10.1 lbs
(4.6 kg)| 11.8 lbs
(5.4 kg)| 13.5 lbs
(6.1 kg)| 15.2 lbs
(6.9 kg)
20| 2.5 lbs
(1.1 kg)| 3.8 lbs
(1.7 kg)| 5.1 lbs
(2.3 kg)| 6.3 lbs
(2.9 kg)| 7.6 lbs
(3.4 kg)| 8.9 lbs
(4.0 kg)| 10.1 lbs
(4.6 kg)| 11.4 lbs
(5.2 kg)
30| 1.7 lbs
(0.8 kg)| 2.5 lbs
(1.2 kg)| 3.4 lbs
(1.5 kg)| 4.21bs
(1.9 kg)| 5.1 lbs
(2.3 kg)| 5.9 lbs
(2.7 kg)| 6.7 lbs
(3.1 kg)| 7.6 lbs
(3.4 kg)
40| 0.8 lbs
(0.4 kg)| 1.3 lbs
(0.6 kg)| 1.7 lbs
(0.8 kg)| 2.1 lbs
(1.0 kg)| 2.5 lbs
(1.2 kg)| 3.0 lbs
(1.3 kg)| 3.4 lbs
(1.5 kg)| 3.8 lbs
(1.7 kg)

NOTE The above chart is for general reference only. The recommended stabilizer reading is between 10 – 50 ppm and will vary dependent on geographic climate. Warm, sunny climates will require a stabilizer reading at the higher end of the given range. Consult your local service representative for your optimum level. Always add stabilizer according to manufacturer’s instructions. It is not necessary to add stabilizer for indoor pools.
CAUTION
It is important to note that certain materials used in and around swimming pools and spas may not be compatible with chemicals commonly used to purify pool and spa water (e.g. acids, chlorine, salt, stabilizers, etc.). As such, Zodiac Pool Systems, Inc. does not warrant or guarantee that the chlorinated water generated by the Nature 2
Fusion Soft/PureLink™ will not damage or destroy certain types of plants, decking, coping and other materials in and around your pool and/or spa. Before selecting materials to be used in and around your pool and/ or spa, please discuss all options with your contractor to assess the compatibility of such materials and chemicals. Some helpful considerations may include:

Choosing plants that can withstand splash out of pool water containing chlorine and/or salt and other water purification chemicals.
All metal components used in and around a pool should be of a high grade, quality stainless steel.
Careful selection of masonry products. The porosity and hardness of natural stones varies greatly. Therefore we recommend you consult with your builder or stone contractor on the best choice for stone materials around your pool or spa.
Sealing all masonry products. Professionals in the stone industry specify that even natural stone, especially when used outdoors, be sealed to prevent weathering, staining, and premature degradation. Consult with your stone or deck contractor for the proper sealer for the masonry products you have selected to use around your pool or spa.
For the optimal results, sealers should be reapplied on a regular basis. Reapply the protective sealer on a schedule per the manufacturer’s instructions.

Section 5. Operating Instructions

5.1 Startup
Before using a new Nature
cartridge, clean debris and algae out of the pool and pool equipment and verify the pool is properly balanced (see Section 4.5). Refer to the Nature 2 2 Cartridge Owner’s Manual for complete cartridge start-up procedures.
5.1.1 Start-up Cartridge Procedure

Install the cartridge after the water has been balanced.
With the circulation system OFF, remove the collar from the Nature 2 side of the system. If this is a newly installed system, remove and store the temporary plug supplied with the unit.
Insert the Nature 2 start-up cartridge and replace the collar.
Turn on pool circulation system.
For newly filled pools that will be using chlorine tablets (Nature 2
Fusion Inground) or for existing pools; replace after seven (7) days with Nature 2 mineral cartridge (see Section 4.3).

5.1.2 Shocking
Shock (superoxidation) the pool water using an alternate source at the time of pool startup to burn off contaminates and activate the mineral cartridge. Run the circulating pump either 24 hours for four (4) days, or six (6) hours a day for 14 days while maintaining 1 – 3 ppm of free available chlorine. Let chlorine gradually dissipate to 0.5 ppm once the circulating period is complete.
5.2 Filtration and Circulation
Follow the manufacturer’s directions for keeping the circulating pump in good working order and operate it at least six (6) hours a day. Consult your Nature 2 dealer for optimum run times.
Check pool filter periodically, clean as recommended by manufacturer.
5.3 Adding Chlorine Tablets

DANGER
CHEMICAL USE HAZARD: The Nature 2 Fusion is designed to use only Trichloro-S-Triazinetrione tablets – slow dissolving type. Never mix or use with other types of chlorine or chemicals. Explosion or fire may result.
WARNING
To avoid injury or property damage from chlorinated water, add Tri-Chlor tablets slowly to avoid splashing. Please review the chemical use hazard instructions on the first page of this manual before opening the chlorine chamber. Under normal conditions, the large-capacity chlorine dispenser of the Nature 2 Fusion provides a minimum of one (1) month chlorination for large pools. The chlorine feed rate can easily be controlled by adjusting the chlorine regulator dial to control the rate of water flow through the chlorine chamber, and the amount of Tri-Chlor tablets placed in the feeder.
To add: Turn collar counterclockwise to remove and lift off cap. To avoid splashing of water, slowly add the desired amount of slow dissolving Tri-Chlor tablets, approximately ten 3” tabs (4.36 lbs/2 kg), or almost 4 lbs of 1” tabs. Replace cap and turn collar clockwise until it locks.
5.4 First Aid Instructions
If you do get chlorinated water splashed from the adding of tablets, follow the first aid directions listed:
Eye Contact: Flush with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids.
Skin Contact: In case of contact, immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.
5.5 Recommendations
DO List

Read and keep your manual in a safe place.
Add Tri-Chlor tablets slowly to avoid splashing of water.
Increase chlorine production before high bather load and return to normal afterwards.
Increase chlorine production when temperature goes up.
Decrease production when temperature goes down (for example, in the fall and winter seasons).
Take pool water sample to service representative once per month.

DON’T List

Do not get fertilizer in your pool. Fertilizers contain nitrates which cause a high chlorine demand on pool water.
Do not let chlorine stabilizer drop below 10 ppm.

Section 6. User Maintenance Instructions

The following information describe how to care for your Nature 2 Fusion.
6.1 Daily

Filtration and Circulation. Follow the manufacturer’s directions for keeping the circulating pump in good working order and operate it at least six (6) hours a day. Consult your Nature 2 dealer for optimum run times. Check pool filter periodically, clean as recommended by manufacturer.

6.2 Weekly

Chlorine Test. Test pool water chlorine level with a reliable test kit. Maintain ideal range by adjusting the Nature 2
Fusion chlorine production rate (see Section 5.4). Recommended free chlorine is 0.5 – 1 ppm. May be as low as 0.5 ppm (0.6 ppm in Canada) with the use of a Nature 2
cartridge that is within its normal operating life.

NOTE It is recommended that chlorine test samples be taken from two (2) places, one (1) at the pool return line, the other well away from the pool return line. Compare the samples. A higher level should be found at the pool return line. The higher level at the pool return line indicates the Nature 2 Fusion is producing chlorine.
a. At the pool return line.
b. 18” (46 cm) below the surface and well away from the pool return line.
4. pH Level Test. Test the pH level of your pool with a test kit. If necessary, adjust according to your service representative’s recommendations. APSP standard of 7.4 – 7.6 is recommended.

6.3 Monthly

Pool Water Sample. Take water sample to local pool store for testing.
Total Alkalinity Test. Test pool water for total alkalinity with a test kit. Adjust according to your qualified service representative’s recommendations. 80 – 120 ppm APSP Standard.
Stabilizer (Cyanuric Acid). Test pool water stabilizer (cyanuric acid) level using a test kit or by having a water sample tested by a service representative. Maintain ideal range of 10 – 50 ppm. Follow your service representative’s recommendations. The addition of stabilizer is not necessary for indoor swimming pools.
Calcium Hardness. Test pool water for calcium hardness level using test kit or by having a water sample tested by a service representative. If necessary, adjust according to your service representative’s recommendations.
APSP standard of 175 – 400 ppm is recommended (for outdoor pools only).
Metals Test. It is recommended that the pool water be tested periodically for the presence of metals such as iron, and manganese. These metals should not be present in the pool water. If those metals are present, contact your local service representative.

6.4 Nature 2 Mineral Cartridge Replacement
The Nature 2 cartridge for the Nature 2 Fusion lasts six (6) months or one (1) pool season (whichever is the shorter
length of time).

Shut off the pool pump and filter.
Close valves between filter and pool to prevent pool draining.
Turn large collar counterclockwise to remove and lift off cap.
Remove old cartridge and discard in household trash. Insert the new cartridge (see Section 4.3)
Position cap flat on the vessel housing.
IMPORTANT Make sure the o-ring is secure in the groove on the vessel top, not on the underside of the cap. Turn large collar clockwise until it locks into place, do not over tighten.
Open any valves that were closed to isolate the Nature 2 Fusion.

6.5 Winterizing
CAUTION
Make sure to wear gloves, eye protection, and protect any exposed skin when removing chlorine tablets. Review the safety and first aid information provided with all chemicals before using.
Consult your dealer for complete information on pool care and maintenance in cooler temperatures.
In cold climates, where the pool is closed:

Remove the Nature 2 cartridge and discard with household trash. Put the temporary cap on unit and tighten down the collar.
Review chemical use hazard on page three (3) of this manual before opening the chlorine chamber. Carefully remove any remaining chlorine tablets.
Replace empty chlorine holder into unit, retighten collar and run pump for 30 minutes.
Remove and save the drain plug.
Rinse out Nature 2 Fusion thoroughly with water.
If blowing lines clear with air, set chlorine regulator dial to 5.
After completing winterization, loosen collars.

6.6 Spring Start Up

Replace the drain plug.
Start up your pool as normal.
After the water has been balanced, insert the new Nature 2 cartridge, add the chlorine tablets (see Section 5.3 for precautions), and complete the cartridge start up procedures in the Nature 2 cartridge owner’s manual.

Section 7. Troubleshooting

WARNING
Always turn pump off prior to attempting service or repair. Your pump and filter system is operated under pressure and pressure must be released before you begin to avoid system damage or personal injury. Open the air relief valve on your pool filter to release the pressure in the system.

7.1 Problems and Corrective Action

Problem	Possible Cause	Corrective Action
The vessel leaks.	0-Ring missing or improperly seated.	Make sure o-ring is

secure in the groove on the vessel housing, not on the cap.
| Faulty plumbing.| Repair the source of leak in plumbing.
No flow to vessel.| Dirty filter (one indication: pressure is 8 – 10 psi higher than normal).| Clean or backwash filter.
Low or no chlorine.| Chlorine output set too low.| Turn the chlorine output handle to a higher output number.
| Chlorine dispensor low or empty.| Refill the chlorine dispensor with tri- chlor tablets.
| Low stabilizer (cyanuric acid) level in pool water (For outdoor pool only).| Add stabilizer to maintain 10 – 50 ppm (see Section 4.6, Table 1).
| Insufficient operating hours of the unit.| Increase the system operating time per day.
| Recent increases in weather temp without increasing the chlorine production of your unit.|
| Temporary loss of chlorine due to heavy organic load – rain, leaves, fertilizer or heavy bather load. Pets using pool.| Increase chlorine production by turning the chlorine output handle to a higher output number. Set the pump to run for 24 hours. After 24 hours, recheck chlorine levels. If still too low, super chlorinate with alternate source
| High nitrate level.| Contact a qualified service representative.
| Metals present in pool water.| Contact a qualified service representative.
| New pool water. Not shocked properly upon startup.| Super chlorinate the pool.
Chlorine level too high.| Chlorine output set too high.| Turn the chlorine output handle to a lower output number.
Chlorine odor.| Presence of excess chloramines (combined chlorine).| Manually shock the pool.
Cloudy Water, Slimy Walls of Pool.| It has been six (6) months since present cartridge was installed.| Replace cartridge.
| Combined algae and bacteria growth.| Brush down the affected walls and follow the directions in Section 5.1.1 Shocking.
Eye and/or skin irritation.| Improper water balance.| Balance the water to recommended levels in Section 4.5.
Scale formation on pool equipment.| Incorrect pH causing minerals to come out of solution.| Adjust total alkalinity to 80 – 120 ppm. Then adjust pH to within 7.4 – 7.6
| High total hardness.| Dilute pool with fresh water. Consult a qualified service representative regarding use of a sequestering agent.

Section 8. Exploded Views and Replacement Kits

8.1 Nature 2 Fusion Inground Replacement Parts![ZODIAC Nature 2 Fusion Inground All In One Mineral Sanitizer and Precision Chlorine Tablet Dispenser

fig10](https://manuals.plus/wp-content/uploads/2023/04/ZODIAC-Nature-2 -Fusion-Inground-All-In-One-Mineral-Sanitizer-and-Precision-Chlorine-Tablet- Dispenser-fig10.jpg)

Trademarks used herein are the property of their respective owners.

Zodiac Pool Systems, Inc.
2620 Commerce Way, Vista, CA 92081
1.800.822.7933 | www.ZodiacPoolSystems.com
©2014 Zodiac Pool Systems, Inc. ZODIAC ®
is a registered trademark of Zodiac International,
S.A.S.U., used under license.All trademarks referenced herein are the property of their respective owners. H0330000 Rev C