enviroswim ES-3 Operating Manual

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Model ES-3

Pool Sanitizing System

Operating Manual

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IMPORTANT SAFETY INSTRUCTIONS

Attention Operator: This manual contains important information about the operation

and safe use of this product.

 WARNING - READ AND FOLLOW ALL INSTRUCTIONS. IMPORTANT SAFETY

INSTRUCTIONS PERTAINING TO A RISK OF FIRE, ELECTRIC SHOCK, OR INJURY TO PERSONS

 WARNING – This appliance is not intended for use by persons (including

children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning the use of the appliance by a person responsible for their safety. Children should be supervised to ensure they do not play with the appliance.

 WARNING – Children less than eight (8) years shall be kept away unless

continuously supervised. This appliance can be used by children aged from eight (8) years and above and persons with reduced physical, sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning the use of the appliance in a safe way and understand the hazards involved. Children should not play with the appliance. Cleaning and user maintenance should not be made by children without supervision.

 WARNING – When mixing acid with water, ALWAYS ADD ACID TO WATER,

NEVER ADD WATER TO ACID.

 WARNING – Do not open Electronic Control Unit. There are no serviceable

elements in the control box. Always return to Enviroswim for repair.

 WARNING – Do not operate electrolytic cell without proper flow or water

circulation. A build-up of gases will result in hazardous conditions.

 CAUTION – Use of chemicals other than those recommended may be

hazardous. Follow the Chemical Manufacturer’s Instructions. Do not add undiluted chemicals directly to the pool as staining may occur. Undiluted Calcium Hypochlorite reacts with copper and silver and can cause staining, an alternative such as liquid chlorine (Sodium Hypochlorite) or a non-chlorine oxidiser is recommended if shock treatment is required. Do not use Cyanuric Acid (Stabiliser) as this will inhibit oxidation processes.

 CAUTION – This unit is for use with permanently – installed pools. Do not use

with storable pools. A permanently – installed pool is constructed in or on the ground or in a building such that it cannot be readily disassembled for storage. A storable pool is constructed so that it is capable of being readily disassembled for storage and reassembled to its original integrity.

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If you employ a pool maintenance contractor,

ensure that they read and follow these

instructions as an Enviroswim System pool

differs from common chlorine/salt pools.

The best results with the Enviroswim system are obtained by following a few simple rules:

 Do not use stabilizer (Cyanuric Acid)  Do not use bromine compounds  Do not use aluminium based or any other

flocculants

 Do not use Soda Ash (Sodium Carbonate)

 Do not use Granular Chlorine. The use of

Granular Chlorine (Calcium Hypochlorite) may cause black staining of the pool rendering if it is added undiluted to a pool treated by an Enviroswim System. Use only unstablised liquid chlorine (Sodium Hypochlorite) or OxyShock (non chlorine Oxidiser).

 Do not throw un-dissolved chemicals into

the pool.

 Clean the pool filter regularly.

Due to the many different test kits on the market, we recommend that you follow the manufacturer’s instructions supplied with each test kit.

SAVE ALL THESE INSTRUCTIONS

For advice phone 1300 888 457

Outside Australia phone +61 7 5546 7366

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Outside Australia email [email protected]

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1 Operating Instructions

Thank you for purchasing the Enviroswim ES-3. Following these basic instructions will allow you to enjoy the benefits of low maintenance and exceptional water quality achievable with this system. During periods of intense use or when there has been

significant water dilution or contamination more frequent testing and active management may be required.

Warning:

It is important that the ES-3 system only be allowed to operate when the pool pump is running so that water is flowing through the ionization/oxidation chamber and the ultrasonic emitter when they are in operation. Ensure that variable speed pumps maintain sufficient water flow.

1.1 System operation

Water that is totally acceptable for drinking purposes may have a definite mineral imbalance for use in a swimming pool. In parts of the world where mineral excesses or deficiencies exist in natural water, the pool will need initial balancing. A balanced pool is necessary for proper disinfection and will assure freedom from staining and scaling problems. Mineral imbalance and improper pH control can significantly complicate maintenance and have a serious deteriorating effect on the pool itself. After initial balancing of the water, mineral balance must be maintained within the proper parameters to provide continued protection and ease of maintenance. Frequency of testing is dependent on weather and pool load.

Avoid prolonged running of the pool with a high pH and or high copper levels. This is easily avoided by regular testing. Enviroswim recommends that you test the pool water every two weeks.

The only chemicals necessary to keep your pool balanced and healthy will be a buffer

such as sodium bicarbonate and hydrochloric acid. Naturally, you’ll continue to

remove leaves and dust as usual, as these eat up the sanitizer and provide nutrients for algae and bacteria.

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Ultrasonic indicator Ioniser indicator

ES- 3

I oniser O xidiser

Min Max

Mains IN

fuse

10A 250V ac

Slow blow

AUTO

OFF

MANUAL

OFF

www.enviroswim. com

2 3

1. Timer Clock

2. Off/Manual/Auto Switch

3. Enviroswim functions on/off switch

4. Fuse

5. Ultrasonics Operation Indicator

6. Ioniser timer control

7. Ioniser Polarity Indicator

8. Oxidiser Amperage display

9. Oxidiser Output Control

Oxidiser Production

(Amps)

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1.1.1 Controls

No.

Name

Operation

Timer

Clock

If using the timer this is set by

1. To set current time, rotate minute hand clockwise until arrow

head aligns with correct time. Note: This will need to be reset

whenever the power is disconnected from the unit and for daylight saving time changes. Note: Only rotate clockwise

to set. Rotating incorrectly will damage the time clock.

2. To set ON/OFF times, move required tappets to appropriate position. Inner position for OFF and outer position for ON. Note :

proper operation requires that the appropriate switch settings below are enabled.

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No.

Name Operation

2 & 3

Enviroswim

Power and

mode

switches

These switches allow for manual or automatic (timer controlled) operation of the Enviroswim system either in conjunction with the pump or the pump on its own. Note : The Enviroswim processes should never be

operated unless the pump is running and the system when properly installed should preclude this.

The following Switch Settings are possible

Switch 3 (OFF/ON)

Switch 2 (AUTO/OFF/MANUAL)

OFF (0) ON (I)

OFF

Disabled

(0).

Pump and Enviroswim

Functions disabled

regardless of timer.

MANUAL

untimed settings

(I)

Pump only operational

independent

of timer.

Pump and

Enviroswim

functions

operational

independent

of timer.

AUTO

Timed

settings

(II)

Pump only operational

as per timer

settings.

Pump and

Enviroswim

functions

operational

as per timer

settings.

Fuse Only replace with specified 240V 10A slow blow

Normal

operation

indicator

This LED cycles through several colours indicating normal operation.

Ioniser

Timer

Control

The ioniser timer control has 12 settings.

Setting % Output

1 Off 2 2 3 3 4 7 5 10 6 13 7 17 8 20

9 23 10 37 11 50 12 100

*Refer to page 12 for graph and detailed output settings

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No.

Name

Operation

Ioniser

Polarity

Indicator

This LED changes colour from red to green approximately every sixty

minutes to indicate that the polarity of the Ioniser electrodes has changed. Changing the polarity assists in cleaning the electrodes and ensures that

they wear evenly.

Oxidiser

production

digital

display

This display shows the status of the Oxidiser plates and has a range of

values.

Value

Indication

01 – 15

A value in the range of 1-15 indicates the

Amperage current being applied to the Oxidiser

plates. The Enviroswim unit is limited to a

maximum of 15 Amps. When the ORP Current Control is at maximum the display should show 15 amps. If the display at maximum is below 15 amps this is most likely due to a low TDS level. Refer to

section 3.

The current being applied to the plates is

negligible or non-existent. This will be the most likely reading when the ORP Current Control is set

to minimum

The system is in de-gas mode. When the unit

reverses polarity approximately every 24 hrs it goes onto the de-gas mode, (no power to the cell) for approx 1 hour. This purges the cell before

powering up in the opposite polarity

Pb This will be a flashing display that indicates that

the system is not applying current to the oxidiser plates due to any of

 Air in the system  Insufficient water flow  Calcium build up on plates. 

Water Sensor wire not attached or loose.

This will be a flashing display that indicates that

current is no longer being applied to the oxidiser plates. This is done to protect the Enviroswim unit due to excessive current draw that may be caused by

 Excessive TDS (greater than 3000ppm)  Undiluted chemicals added to skimmer 

Short circuit across the plates.

SU Indicates the unit is in its start-up self-check

mode. The start-up mode lasts for 10 seconds during which time the Control Unit checks and monitors the system configuration. If any faults are found these are shown on the display with the appropriate indicator. If no fault is found the output

currents ramp up to their preset mode as

determined by the Ioniser and Oxidiser Current

Controls.

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No.

Name

Operation

This indicates an undesirable internal temperature

in the Control Unit. If this occurs the unit will shutdown to prevent any damage to the System Controller. Likely causes of this message are:

 Excessively low TDS  Air-flow vents on the underside of the

unit are blocked

 Excessive ambient temperatures

ORP

Output

Control

This control is used to adjust the current being applied to the plates. The

effect of adjusting this control when the Enviroswim unit is operational will

be displayed on the Oxidiser production digital display.

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Ioniser Timer Control

Ioniser knob Position

10.

11.

12.

Note: Positions 11 & 12 are mainly used to build the copper levels following initial

lling with pool water when copper levels are very low or following heavy dilution from rainfall or oods. Use these setting with care to avoid overdosing and unnecessary

wear of electrode. If the copper is accidentally overdosed the ioniser output can be turned off for weeks or even months until the level drops to the recommended operating level. The system will continue to perform 100% using just the ultrasonics & oxidiser.

The daily copper output is inuenced in two ways.

1. The daily run hours of the enviroswim system

2. The set position of the ioniser knob.

Increasing either one of the above will increase copper production likewise decreasing either will reduce copper production.

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(ioniser knob fully anticlockwise) off produces copper 2% of the running time. produces copper 3% “ “ produces copper 7% “ “ produces copper 10% “ “ produces copper 13% “ “ produces copper 17% “ “ produces copper 20% “ “ produces copper 23% “ “ produces copper 37% “ “ produces copper 50% “ “ produces copper 100% “ “

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1.1.2 Pool Balance

Suggested testing frequencies are recommendations only for average use domestic pools. More frequent testing may be

required.

Balance

Parameter

Symptoms

Ideal Range

Measurement

Adjustment

Alkalinity

• pH difficult to maintain

• pH bounce

• Bather discomfort

• Corrosion

• Cloudy Water

80-150 ppm Use supplied test kit or

Pool Shop Free testing.

Frequency : Monthly

Raise by using Sodium

Bicarbonate. Approx 450

grams per 10,000 litres (e.g.

2.25kg for 50,000 litres) to

raise from 60ppm to

100ppm.

• Reduced sanitation

effectiveness

• Plaster and concrete

etching

• Corrosion

• Cloudy water

• Bather discomfort

pH 7.1-7.5

Use supplied test kit or

Pool Shop Free testing.

We recommend

checking the pH level of

the water every 2

weeks. New concrete

or plaster pools

require weekly checks

of the pH for 2–3

months, until the

concrete has fully

cured. Quartzone pools

should be tested daily

until stabilised. Allow the

acid to fully mix before

testing.

Frequency : Fortnightly

The pH of your pool water is

increased by adding sodium

bi-carbonate, and reduced

by adding hydrochloric acid

or sodium bisulphate (dry

acid).

• Dry acid at the rate of 50

grams per 10,000 liters.

• Hydrochloric acid add 50

ml per 10,000 liters.

• When mixing acid with

water, ALWAYS ADD

ACID TO WATER,

NEVER ADD WATER TO

ACID

Test pH again; and if it is still

high repeat until the correct

pH level is obtained.

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Balance

Parameter

Symptoms

Ideal Range

Measurement

Adjustment

Water

Hardness

•

Etching and Corrosion

• Cloudy Water

200-250ppm

Take sample to pool

shop.

Frequency : Monthly

In order to reduce calcium,

you will need to dilute the

pool water by draining part of

the water and adding new

water. Calcium chloride can

be added to the pool in order

to raise calcium hardness.

In order to raise calcium

hardness by 10 ppm, you

can add 150 grams of

calcium chloride per 10,000

litres of pool water.

• Total

Dissolved

Solids

(TDS)

Low

• poor ORP and Ion

dispersal

High

• Excessive current

load on ES2

• Bather discomfort

1000 - 1500 ppm Take sample to pool

shop.

Frequency : Monthly

If TDS is low adding 5kg of

pool salt per 10,000 litres of

water will raise the TDS by

around 500ppm.

If TDS is too high dilution is

required. Calculate dilution

requirement taking into

account the TDS of the

diluting water.

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1.1.3 Adjusting Copper/Silver Levels

The desired copper range is between 0.2 to 0.5 ppm. The Enviroswim system works best at these levels. To increase copper levels, increase the run time and/or ionizer output of the Enviroswim system. To reduce copper levels, turn down the ionizer output of the Enviroswim system. As a guideline, to reduce copper levels from 0.7 to

0.4 ppm, the Enviroswim ionizer system can be left off for 7-10 days, dependent on weather and bathing loads. Levels are easily checked by means of the supplied copper test kits (reorder from Enviroswim). Always ensure pH is balanced before testing copper levels in order to avoid getting a false reading.

It is very important that copper levels are not allowed to exceed 0.5 ppm for extended periods, as copper staining may appear. Prolonged high copper and/or high pH levels will lead to the copper coming out of suspension, and may produce a very light blue stain on the mortar of pebble pools. This effect is not harmful to swimmers or the pool, and if desired can be removed with some effort. Pool owners that have let this happen find the blue tint actually enhances the pool water’s appearance.

If the copper level rises above 0.5 ppm, turn down the Enviroswim ionizer unit and dilute the pool with fresh water to reduce the copper level to 0.4 ppm. Unlike chlorine, copper/silver are extremely stable in water making the level very easy to maintain.

Note:

Enviroswim will not be held responsible for damage caused by excessive

copper levels.

NOTE: If you take a water sample to a pool shop for a copper test, you may get a false reading if the pool pH has been high during the 24-hour period prior to the sample being taken from your pool. Some types of testing equipment can also give a false reading due to the silver content in the sample. We strongly advise that you use the test kit and instructions provided with the Enviroswim system to avoid misleading results that can cause high copper levels and excessive wear of the copper/silver anodes.

When using the supplied test kit ensure that you look down the test tube when comparing to the colour chart. The colour is best read in the shade.

0.4 ppm.

0.4 ppm

0.4 ppm,

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2 Basic Theory

There is no such thing as a maintenance-free pool. However, the Enviroswim system requires only a few minutes each week to keep your pool in top condition while it saves money. This section of the manual gives some basic insight into the theory of the processes at work on your pool when using the Enviroswim system.

2.1 Ionization

The use of copper and silver to sanitise water is well documented and the process has been used for thousands of years. Copper is a very powerful algaecide and silver is a very powerful biocide. When the two metals are combined and introduced to the water using electrolysis, they become a formidable sanitiser. The required residual level of copper and silver introduced to the swimming pool is well below acceptable drinking water standards making for a very safe residual sanitiser.

2.2 Electronic Oxidization (ORP generator)

Traditionally copper and silver ionisation systems have required an oxidiser to be added to the pool water to help burn out organic compounds (oils, dust, leaf stains etc.). The most common form of oxidiser used for this purpose has been chlorine. There is a growing concern regarding the adverse health effects of chlorine and its associated by-products (Chloramines)

Enviroswim has eliminated the need to add chlorine to the pool by incorporating an electronic oxidising unit into the system. ORP stands for Oxidation-Reduction Potential. In practical terms, it is a measurement of the ability to oxidise contaminants. ORP is the only practical method we have to electronically monitor oxidiser effectiveness. In some parts of the world, it is also known as Redox Potential. Using electrolysis the Enviroswim system produces the oxidiser in sufficient quantities to maintain an acceptable ORP.

2.3 Ultrasonics

Ultrasonics used in the Enviroswim system further helps to improve the water quality

by removing existing scale and preventing the formation of scale caused by silica in the water. This process improves the efficiency and reduces the operating costs of the pool filtration/circulation and heating equipment.

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3 Initial System Start-Up

If you employ a pool maintenance contractor, ensure that they read and follow these instructions as an Enviroswim

System pool differs from common chlorine/salt pools.

These instructions should be followed whenever the pool

has been refilled or the Enviroswim system is restarted after

a prolonged shutdown.

For ideal operation Enviroswim requires a TDS level of between 1000 and 1500 ppm to provide conductivity for its electronic processes. When converting Salt Water Pools or pools where TDS exceeds 2000ppm please contact Enviroswim.

If TDS is low adding 5kg of pool salt per 10,000 litres of water will raise the TDS by around 500ppm.

For new pools, or those that have just been refilled, add pool salt to ensure the conductivity of the water is high enough for the ionization process to take over. If retrofitting to an existing pool the conductivity of the water should be sufficient for the Enviroswim system process to initiate.

Ensure that the pool water is balanced (Alkalinity, pH and calcium hardness).

When the system is initially installed, it will need to be run continuously for a time to allow the various processes to take effect in the pool. The time taken to initialize the system will vary, depending upon the volume and conductivity of the pool water. Typically a 50,000 litre pool would take 48-60 hours of operation to build up the copper level to the required 0.25 ppm. Larger pools may take up to 2 weeks.

Perform the following steps to allow the Enviroswim system to be running in the startup mode:

1. Balance the water as per above. Ensure all Enviroswim switches are set to OFF and variable controls (Ioniser and ORP) at minimum (fully counterclockwise).

2. Turn on the pool pump so that water is flowing through the filtration system and the Enviroswim ionization/oxidation chamber and ultrasonic emitter pipe. Set the left hand switch on the Enviroswim unit to MANUAL. Make sure that the ionization/oxidation chamber is filled with water.

3. Turn on the right hand ON/OFF switch on the control box.

4. Turn the knob on the control box under the ORP meter slowly clockwise until the ORP meter reads between 13 - 15 Amps.

5. Turn the ioniser switch to maximum. Run the unit for approximately 1 hour per 1000 litres of water and test copper level.

24-48

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6. Perform chemical tests to determine readings for pH, ORP, alkalinity, copper, and calcium hardness then adjust accordingly. Refer to Operating Manual for appropriate treatments.

7. Test the copper level and when in the range 0.2-0.4 ppm set the system for the appropriate run time and adjust the Ioniser output to around 50%.

6. Perform chemical tests to determine readings for pH, ORP, alkalinity, copper, and calcium hardness then adjust accordingly. Refer to Operating Manual for appropriate treatments.

7. Test the copper level and when in the range 0.2-0.4 ppm set the system for the appropriate run time and adjust the Ioniser output to around 50%.

Startup is now complete. Refer to the operating manual for a guide on run times. Remember every pool is different. Factors that will impact runtime are location, bather load, season, type of cover and water temperature.

When can I use the pool?

It is OK to use the pool while the Copper levels are being established provided the Enviroswim system is processing the water continuously and the correct water balance (pH, alkalinity and hardness) is established. The Oxidation process will treat organic matter and as water flows through the cell it will be being treated with concentrated Copper and Silver ions. We recommend that the water is allowed to circulate at least once (allow 1 hour per 10,000 litres) before swimming.

High Cyanuric Acid levels

Where a pool has been treated previously with chlorine (particularly with tablet feeders) there may be high residual cyanuric acid levels. This can adversely affect operation of the ES-3. Contact Enviroswim.

(see page 12) and monitor copper levels every few days to ensure copper level is staying within the 0.2 - 0.4 ppm range. If not, adjust ioniser knob

accordingly to the ne tune the setting for your pool after which you should

routinely check copper level every 2 - 3 weeks.

knob to position 9 (23%)

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4 Maintenance

4.1 Basic Maintenance

The Envirowim system is very low maintenance. Only the copper and silver electrodes are consumable and require periodic adjustment and replacement. The oxidizer plates and copper/silver electrodes are self-cleaning and the ultrasonic system is maintenance free.

4.1.1 Fuse

Fuse replacement: 240 Volt, 10 Amp, Slow Blow

WARNING: There is a risk of electrical shock, fire and damage to the unit if an incorrectly sized fuse is installed in the fuse holder.

4.1.2 Replacement of Electrodes

The copper/silver electrodes are a consumable and will require periodic replacement. The life of the electrodes will depend on many factors including pool use, maintenance, dirt and other debris that are allowed to build up in the pool. The electrodes should be changed before they become so small that they fall off the stainless steel threaded rod that holds them in place.

Note: Replacement electrodes can only be purchased through Enviroswim. Using any electrodes not supplied by Enviroswim will void any remaining warranty. Enviroswim will not be held liable for the performance or

effectiveness of the system when other manufacturers’ electrodes have been

installed.

4.1.3 Cleaning Oxidiser Plates

Plates should only be cleaned if severely scaled and the ES3 is unable to draw 15 amps (as per the digital display). Scaling on the plates generally indicates that the pH has been high for extended periods (above 7.6). Refer to section 5.1 on Langlier Saturation Index and make sure that the pool is operated with an appropriate LSI.

Before cleaning check the following

 TDS is within range – 1000-1500 ppm  No loose connections.

Scale may be loosened by striking gently with wooden or

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plastic objects. Take care not to damage the plastic separators. Once all excess scale is removed clean plates by soaking in a 75/25% ratio water/hydrochloric acid solution. A 1.25 litre softdrink bottle with the top cut off is an ideal size for bathing the plates. Do not leave the plates in the solution for extended periods - 3 minutes should be sufficient if excess scale has been removed. Ensure

that the water level sensor is cleaned.

Never use metal objects to clean the plates as this will damage the coating.

Remember : Always add Acid to Water when diluting.

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5 Troubleshooting

Problem

Possible Cause

What to do to fix it

Blown fuse

 Undiluted chemicals

added to pool or skimmer basket

 Short circuit on oxidizer

plates

 Internal electrical fault

 Turn off power to control box.

Replace fuse and allow clean water to circulate through the system before switching on.

 Check for any short circuit

and clear

 Contact Enviroswim

Copper level too low

 Low conductivity  Excessive makeup

water added due to leak in pool or equipment

 Build up of scale on

copper/silver electrodes

 Electrodes worn away  Pool system not running

long enough

 pH not within 7.1 to 7.5

range for at least 12 hours before using

copper test kit.

 Refer to operating

instructions

 Repair leak  Clean rods and ensure that

the chemical balance of pool water is correct

 Replace with new

electrodes

 Refer to operating

instructions

 Stabilise pH at correct

levels.

Excessive scale build up on plates in oxidation chamber

1. pH to high.

2. High calcium content (water hardness) in pool water.

3. Langlier saturation index at a scale forming level.

1. Reduce pH. Refer section

1.1.2. Maintaining correct pH should allow mild scale build up to dissipate.

2. For severe scale build up refer to section 4.1.4 Plate Cleaning.

3. Check Langlier Saturation Index – should be slightly negative – refer to 5.1 below.

Flashing Oxidiser Production Digital Display

Pb This will be a flashing display

that indicates that the system is

not applying current to the

oxidiser plates due to any of

 Air in the system  Insufficient water flow  Calcium build

up on

plates.



Calcium build up on

water sensor.



The wire to the water sensor is loose.

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Flashing Oxidiser

Production Digital Display

This will be a flashing display

that indicates that current is no

longer being applied to the

oxidiser plates. This is done to protect the Enviroswim unit due to excessive current draw that may be caused by

 Excessive TDS (greater

than 3000ppm)



Undiluted chemicals

added to skimmer

 Short circuit across the

oxidiser connections or plates.

 Short circuit across the

Ioniser connectio

ns or

electrodes

 Short to ground on any of

the control unit outputs

Control Unit

Overheating

Indicates an undesirably high

operating temperature for the

control unit. The unit will shutdown to prevent damage

most likely caused by:

 Excessively low TDS  Air-flow vents on the

underside of the unit are blocked

 Excessive ambient

temperatures

Control unit resets

Short to earth on controller

outputs

Remove all output connections

and the resetting should stop. Check for and rectify any shorts to earth on the output leads/wet end components.

Cloudy Water

 Insufficient run time  Poor water balance  High Bather load



Adjust runtime. Call or

email Enviroswim to consult.

 Correct water balance (pH,

alkalinity, Calcium

Hardness)



Shock with Oxyshock or

liquid chlorine.

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Algae in Pool

 Low copper levels

 Phosphates (fertiliser)

in pool

 Test for copper using test

kit. Run ES-3 for required time to achieve the required copper levels.

 Test for phosphates. Use

phosphate remover

(remember to turn off ES3 cell power if adding to

skimmer basket).

Phosphates and Algae will both consume the copper. It is important to restore the

copper levels by running

the ES3 continuously. After a few days Algae should clear. Should you wish to clear faster shock dose with chlorine. Avoid the use of Algaecide.

 Remember when treating to

maintain pH levels between

7.2 and 7.4.

5.1 Langlier Saturation Index

Maintaining good water balance will ensure trouble free operation, prevent scale build up and extend plate life. Some Enviroswim users experience small amounts of

scale from the Oxidiser plates appearing in their pools (only an aesthetic issue) or in extreme cases excessive scale build up on their plates requiring manual cleaning. Most users do not experience this and the self cleaning plates usually have very little scale build up. The difference in these situations is the pool water balance across all of the balance elements. The most volatile pool balance parameter is pH. It is also one of the easiest to adjust. Maintaining pH only is not enough to prevent scale formation. The Enviroswim operating manual outlines the recommended values for water balance parameters. These are generally expressed as ranges such as pH in the range 7.1-7.5. These balancing chemicals interact in total with each other to establish an overall balance which is referred to as either scale forming or corrosive. Some of the balance elements are very stable and others such as pH are very volatile. As things are expressed in ranges – if all elements are present at the top end of their ranges it is likely that you will have a scale forming environment. If you are experiencing excessive scale buildup on your plates or having small flakes of scale from the plates appearing in your pool it is likely that your pool has a balance that is scale forming. The Langlier Saturation Index (LSI) is a method for determining the scale forming potential of the water. Some pool shops will calculate this index for you and some understand its use, otherwise there are on-line calculators such as

http://www.cleanwaterstore.com/technical/water-treatment-calculations/langlier.php

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and now some smartphone apps. The LSI should be kept slightly negative to prevent scaling.

The parameters that are used in a complete LSI calculation are

 pH  Calcium Hardness  TDS  Alkalinity  Temperature

As a rule the higher the value for an element the higher the saturation index calculated and a high value for one element may be offset by a low value for another element. The recommended range for the index is from -0.5 to 0.0 – i.e. slightly negative. The entire range provides acceptable LSI values as it is only at values outside of the range

-0.5 to 0.5 that action would usually be taken

The table below shows the LSI calculation for the extremes of the recommended Enviroswim ES-3 balance ranges at 20 and 27 degrees Celsius.

Element

Bottom of Range

Top of Range

Ideal

7.0

7.5

7.2

Calcium

Hardness

200 250 200

Total Dissolved

Solids

1000 1500 1000

Alkalinity 80 150 100

Temperature (

20 27 20 27 20 27

LSI

-0.24

-0.14

+0.47

+0.57

-0.04

+0.05

Analysis Ideal Ideal Some

Faint

Coating

Some

Faint

Coating

Near

Balanced

Near

Balanced

Page 25

AUS Rev 3.1Page 25 of 28

6 Specifications, Warranty and

Contacts

6.1 Standards

Type

Standard

Electrical

AS/NZS 3136

Electrical Equipment for Spa and Swimming Pools

EN 55014-2

EN 61000-3-2

EN 61000-3-3

Electromagnetic Compatibility Chemical

APVMA

Australian Pesticides and Veterinary Medicines Authority Approval no. 58847

Efficacy

NSF/ANSI 50

Approved as a hybrid system by the National Science Foundation (US) Cert # 4D640-02

NZS5826

New Zealand Pool Water Quality Standards

HSO New Zealand Drinking Water Standards 2005

6.2 Warranty Information

The Enviroswim system has a two (2) year replacement warranty on the control box.

6.3 Contact Information

Watertech Services International

P O Box 5835

GCMC Bundall

Queensland 9726

Phone : 1300 888 457

Calls from outside Australia : +61 7 5546 7366

Email : [email protected]

Outside Australia email [email protected]

Page 26

7. Winterise Your Enviroswim Pool

Winterising your Enviroswim treated pool is an area where large savings can be made. Once the water becomes too cold for bathing the daily run time of the pump/enviroswim can be reduced to save on electricity which is one of the highest pool running costs. The

nal winterised run time depends on the pools surrounding environment as the pump will need to run long enough for the lter to remove dirt and organic material that enter

the pool. Many pools owners can reduce the run time to a few hours a week, others

surrounded by falling leaves or dust require longer to oxidise and lter the rubbish.

The residual copper & silver will take care of algae and bacteria as they continue to work 24/7 regardless of the pump run time. This is because unlike chlorine they do not evaporate and maintain their residual level in the pool water for weeks even months when there are minimal levels of bacteria or algaes for them to control. Therefore, it is important to continue to balance the pH & check copper levels regularly during the

winter to ensure maximum efciency of the ions and avoid possible overdose of copper/

silver resulting in premature wear of the electrodes. The ioniser output should be reduced or even turned off for a while if copper levels start to increase above 0.3 ppm.

Research has shown that many enviroswim owners fail to monitor or adjust the copper & pH levels during the winter months, instead they rely on a visual look at the water believing everything is OK because the water is crystal clear. This is a mistake and can result in high ion levels and in severe cases copper dropping out of solution by the end of the winter. The analogy we use is it is a bit like dissolving sugar in tea or coffee, there is a point where the sugar level gets so high it cannot remain soluble. Cooler water and zero bathers equals less copper/silver demands. All it takes is a few minutes of testing each month to make sure you pool is kept in good shape for the summer.

Always run the oxidiser on maximum (15) during winterisation as the oxidiser is required to treat suspended solids that enter the water. Vacuum the pool as & when required to avoid sediment building up which can stain and cause extra demand and runtime of the system

Reminder: To ensure an accurate copper reading the pool water pH must be below 7.6 preferably 7.3 when the test sample is taken. High pH water will cause a false (lower than actual) copper reading. Follow these guidelines and you will save money and have a great pool ready for the coming summer.

AUS Rev 3.1Page 26 of 28

Page 27

For more detailed information on water balancing and getting

the best out of your system please visit our pool school site

www.enviroswimpoolschool.com

Page 28