Davey DES2-15E, DES2-15EL, DES2-25E, DES2-25EL, DES2-35E Installation and Operating Instructions

7 LANGUAGES

Eco

2

English, Deutsch, Italiano,

Nederlands, Português,

Español & Français

ENGLISH

®

Salt

Salt Pool Chlorination System

Model: DES2-15E, DES2-15EL, DES2-25E,
DES2-25EL, DES2-35E, DES2-15US, DES2-15USL,

DES2-25US, DES2-25USL, DES2-35US

Installation and Operating

Instructions

WARNING: Failure to follow these instructions and comply with all applicable
codes may cause serious bodily injury and/or property damage.

The installation of this product should be carried out by a person knowledgeable
in swimming pool plumbing requirements following the installation instructions
provided in this manual.

Please pass these instructions on to the operator of this equipment.

Eco

®

2

Salt

Congratulations! You are now the proud owner of a new EcoSalt2. Please read all information in this manual
carefully before installing or operating your EcoSalt2.

Contents:

PACKING LIST ..................................................................................................................................................3

IMPORTANT SAFETY INSTRUCTIONS ...........................................................................................................4

COMMON TERMS ............................................................................................................................................6

INSTALLING THE EcoSalt2 ..............................................................................................................................6

CONNECTING THE IN-LINE ELECTROLYTIC CELL TO THE POWER SUPPLY ...........................................7

CONNECTING THE FLOW SWITCH TO THE CELL HOUSING ......................................................................7

PRE-START UP PROCEDURE .........................................................................................................................8

OPERATION OF YOUR EcoSalt2 .....................................................................................................................8

CONTROL PANEL .............................................................................................................................................9

INITIAL START-UP ............................................................................................................................................9

TYPICAL (EVERYDAY) START-UP .................................................................................................................12

EcoSalt2 FEATURES ......................................................................................................................................13

MAINTENANCE OF POWER SUPPLY ...........................................................................................................25

MAINTENANCE OF THE IN-LINE ELECTROLYTIC CELL .............................................................................25

DAY TO DAY OPERATION ..............................................................................................................................26

CHLORINE PRODUCTION .............................................................................................................................28

GENERAL INFORMATION ..............................................................................................................................29

TROUBLE SHOOTING ...................................................................................................................................29

SPARE PARTS ................................................................................................................................................30

ENGLISH

2

PACKING LIST

Models | Modelle | Modelli | Modellen | Modelos | Modèles |:
DES2-15E, DES2-15EL, DES2-25E, DES2-25EL, DES2-35E,
DES2-15US(L), DES2-25US(L), DES2-35US

Quick Reference Guide | Salt Pool Chlorination System
Kurzanleitung | Desinfektionssystem unter verwendung des salzwassers
Guida rapida | Trattamento ad acqua salata

Korte handleiding | Badzout zwembad systemen

Guia rápido de referências | Tratamento da água da piscina com base na adição de sal

Guia de referencia rapida | Sistema de sal para piscinas

Guide de référence rapide | Electrolyseur de piscine au sel

Models | Modelle | Modelli | Modellen | Modelos | Modèles |:
DES2-15E, DES2-15EL, DES2-25E, DES2-25EL, DES2-35E,
DES2-15US(L), DES2-25US(L), DES2-35US

Quick Reference Guide | Salt Pool Chlorination System
Kurzanleitung | Desinfektionssystem unter verwendung des salzwassers
Guida rapida | Trattamento ad acqua salata
Korte handleiding | Badzout zwembad systemen

Guia rápido de referências | Tratamento da água da piscina com base na adição de sal

Guia de referencia rapida | Sistema de sal para piscinas
Guide de référence rapide | Electrolyseur de piscine au sel

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Salt Pool Chlorination System

Models: DES2-15E, DES2-15EL, DES2-25E,
DES2-25EL & DES2-35E

Installation and Operating

Instructions

The installation of this product should be carried out by a person knowledgeable
in swimming pool plumbing requirements following the installation instructions
provided in this manual.

WARNING: Failure to follow these instructions and comply with all applicable

codes may cause serious bodily injury and/or property damage.

EcoSalt

®

2

7 LANGUAGES

English, Deutsch, Italiano,
Nederlands, Português,
Español & Français

ENGLISH

1 x

1 x

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Eco

Salt

®

2

Included with your EcoSalt2 are the following items, please check the contents of the box carefully prior to
attempting to install the system:

a. 1 x Power supply with cell lead;
b. 1 x Flow switch;
c. 1 x In-line electrolytic cell & housing;
d. 1 x Cell blanking cap & o-ring;
e. 2 x Barrel unions including nut, tail & o-ring;

f. 2 x Reducing bushes;
g. 1 x Earth bolt assembly;
h. 1 x Quick reference guide;
i. 1 x Power lead; and
j. 1 x Mounting screws & plugs pack

ENGLISH

a

b c d e f

g h i j

NOTE: Your EcoSalt2 is not intended for use by young children or inrm persons
without supervision. Please ensure that young children are supervised to ensure that
they do not play with the EcoSalt2 System.

Power connections and wiring must be carried out by an authorised electrician.

3

IMPORTANT SAFETY INSTRUCTIONS

When installing and using this electrical equipment, basic safety precautions should always

be followed, including the following: READ AND FOLLOW ALL INSTRUCTIONS

• To minimise the risk of gas build-up in the cell housing, you must ensure there is sufcient water ow

through the cell when the unit is on and producing chlorine.

• It is essential that your pool pump circulates sufcient water through the cell housing to completely ll

the cell housing with water during the chlorination process.

• Periodically check the paddle of the safety ow switch to ensure it is free to move back and forth and

that the lock nut is done up hand tight.

ü

Diagram A

CORRECT OPERATION
WITH A PUMP RUNNING

ENGLISH

û

Diagram B

INCORRECT OPERATION
WITH A PUMP RUNNING

WARNING: To reduce the risk of injury, do not permit children to use this product
unless they are closely supervised at all times. SAVE THESE INSTRUCTIONS.

WARNING: Risk of Electric Shock. Power connections and wiring must be carried
out by an authorised electrician. Connect only to a branch circuit protected by a

ground-fault circuit-interrupter (GFCI). Contact a qualied electrician if you cannot

verify that the circuit is protected by a GFCI.
The unit must be connected only to a supply circuit that is protected by a

ground-fault circuit-interrupter (GFCI). Such a GFCI should be provided by the
installer and should be tested on a routine basis. To test the GFCI, push the test
button. The GFCI should interrupt power. Push the reset button. Power should
be restored. If the GFCI fails to operate in this manner, the GFCI is defective. If
the GFCI interrupts power to the pump without the test button being pushed,

a ground current is owing, indicating the possibility of an electric shock. Do
not use this pump. Disconnect the pump and have the problem corrected by a
qualied service representative before using.

• Always check for the latest versions of installation and
operation instructions that support these products.
Simply scan this QR code, or go to: www.bit.ly/EcoSalt2

WARNING – To reduce the risk of electric shock, replace

damaged cord immediately. SAVE THESE INSTRUCTIONS.

4

IMPORTANT INFORMATION

ABOUT YOUR EcoSalt2

FACTORS THAT WILL IMPROVE THE PERFORMANCE & LIFE OF YOUR EcoSalt2.

PLEASE READ THIS BEFORE OPERATING YOUR CHLORINATOR

POOL BUILDERS:

Please cover this information with your customer during the new pool “Handover Session”.
Chlorinators are a valuable piece of pool equipment and must be cared for to get the best

performance and life span. There are THREE main factors that will damage your EcoSalt2
and reduce the life of the product. Please monitor the following factors in accordance with your
installation & operating instructions.

1. MAINTAIN RECOMMENDED SALT LEVELS

RECOMMENDED OPERATING RANGE: (see page 27)

• Run your EcoSalt2 at the salt levels stated within this document and on the product to
ensure optimum performance and cell life;

• Operating the EcoSalt2 at low salt levels will damage the cell and reduce its life;

•ThecontrolpaneldisplaysaashingredLEDindicatorwarningwhenthesaltlevels
are low;

• If no action is taken to rectify the salt levels, damage to the cell may result which will
not be covered under warranty.

ENGLISH

2. MONITOR & MAINTAIN YOUR EcoSalt2 IN-LINE CELL

EcoSalt2 has a “reverse polarity” in-line cell.

• To keep your EcoSalt2 in the best possible condition, regular monitoring of the cell is
recommended. The cell is in the clear plastic housing and contains the Titanium plates.

• During the chlorination process a white powdery Calcium scale may naturally build up
on the Titanium plates in the cell. Monitor the cell to prevent excessive scale build up.
Excessive scale build-up will cause damage to your cell, and dramatically reduce its

efciencyandlifespan.

• The control panel displays a red LED indicator warning that indicates that the cell may
require cleaning.

• If Calcium scale builds up please clean the cell, following the cleaning instructions provided
on page 26.

• NEVER: Use concentrated acid to clean your cell.

• NEVER: Leave cell in cleaning solution for extended periods of time.

• NEVER: Use metal implements, scourers, or brushes to clean the cell.

3. BALANCED POOL WATER CHEMISTRY

• Correct salt levels MUST be maintained (see page 27) for optimum performance and lifespan.

• Calcium Hardness levels MUST be kept to ideal ranges of 200 - 275ppm (for Concrete
and Tiled Pools) and 100 - 225ppm (for other surfaces) to prevent excessive scale build up
and damage to equipment.

• pH levels MUST be kept to ideal levels to prevent damage to equipment and pool surfaces
and to obtain optimum chlorination effectiveness.

• Total Alkalinity and Stabiliser levels must also be kept in an ideal range.

Note: Please refer to the POOL WATER CHEMISTRY chart on page 29 for more information.

4. EARTH BOLT ASSEMBLY

Please install the supplied earth sensor bolt (item g.) to minimise stray currents and prolong
the life of your electrolytic cell.

5

COMMON TERMS

Return to pool line

Suction Line

FILTER

PUMP

ACCESSORIES

230V POWER SUPPLY

Algae Microscopic forms of plant life which enter the pool by rain, wind and dust. There are
numerous varieties – some are free floating whilst others grow on walls and in cracks
and come in different colours. Some are more resistant to chemical treatment than others.
Bacteria The germs that contaminate your pool. Introduced by swimmers, dust, rain storms
and other elements.
Balanced water The correct ratio of mineral content and pH level that prevents pool water from being
corrosive or scale forming.
Chloramines Compounds formed when chlorine combines with nitrogen from urine, perspiration, etc.
Chloramines cause eye and skin irritation, as well as unpleasant odours.

Chlorine demand The chlorine required to destroy germs, algae and other contaminants in the pool.
Chlorine residual The amount of chlorine remaining after chlorine demand has been satisfied.

This is the reading obtained with your test kit.
Cyanuric acid Also known as stabiliser or conditioner. It reduces dissipation of chlorine by direct

sunlight.

Liquid acid Chemical used to reduce the pH and total alkalinity in the pool water, and for cleaning
Sanitiser cell.
ppm An abbreviation for Parts Per Million the accepted measurement of chemical
concentration in swimming pool water. 1 ppm = 1 mg/L.

INSTALLING THE EcoSalt2

INSTALLING THE POWER SUPPLY

Select a convenient well-ventilated location within one metre of filter equipment and mount the power supply
vertically onto a wall, or post at least as wide as the EcoSalt2 power supply itself. Davey recommends that
the power supply shall not be located within 1.5m (5 feet) of the pool water. Plug pump and chlorinator power
supply into a suitable weatherproof power outlet/controller. Where applicable, some model variants have a
3-pin socket on the underside of the power supply, provide pump power. The unit must be kept away from
acid and other chemical storage areas. Acid and chemical vapours will corrode the electronics inside the unit.
It must also be kept away from heat sources. Good ventilation is necessary for correct operation.

ENGLISH

Two self-tapping screws and wall plugs have been provided for fast and simple installation.
Use a 6mm (¼”) masonry drill bit when fitting Power Supply to a brick or concrete wall. When mounting to a

post drill pilot holes and fit screws provided. Holes should be level and 164mm (6½”) apart. Once screws are
in position simply hang EcoSalt2 power supply via mounts on back of unit. For adequate weatherproofing, the
wall or post that EcoSalt2 is mounted to, should be flat and at least as wide as the EcoSalt2 power supply.

6

INSTALLING THE CELL

The EcoSalt2 cell should always by the last appliance in your system. Ensure the cell is installed after pumps,
filters and any heating appliances. To achieve best efficiency, the EcoSalt2 cell should be installed such that
turbulent water is limited as much as possible. Do not install a 90° elbow closer that 200mm (8”) from the cell’s
inlet barrel union. Isolation valves used where equipment is located below pool water level, should also be
installed no closer than 200mm (8”) from inlet barrel union. This will assist laminar flow. Allow a minimum of
25mm (an inch) between the cell housing and any (and all) walls, for easier cell removal when servicing. The
cell installation shall be restricted to outdoor locations in order to reduce the risk of gas accumulation.

CONNECTING THE IN-LINE ELECTROLYTIC CELL TO THE POWER SUPPLY

The EcoSalt2 salt water sanitiser uses a reverse polarity in-line electrolytic cell for low maintenance
operation. The EcoSalt2 power supply is fitted with a flexible lead terminated with the cell connectors
built into a plastic moulding. The three in-line connectors are not “polarity sensitive”. Depending on the
installation, it may be necessary to support the cell housing underneath, by hand.

ENGLISH

NOTE: The EcoSalt2 cell is supplied with a paddle type flow switch, which is to be installed on the
cell as shown in the diagram on page 4 and connected to the cell lead via the connector on the end
of the cable.

WARNING: The ow switch must be mounted with the highlighted arrow on side of the
switch pointing in the direction of ow.

CONNECTING THE FLOW SWITCH TO THE CELL HOUSING

Ensure that the flow switch is installed into the cell housing.
Ensure the flow switch direction is correct (see page 4)

Fitted

7

PRE-START UP PROCEDURE

Before operating your EcoSalt2 salt pool chlorination system, please ensure the following quantity of pool
salt has been added to your pool.

• POOL SALT:

ENGLISH

To raise salt
concentration by

ppm

(mg/L)

%

30,000L

(7,925 gal)

40,000L

(10,567 gal)

50,000L

(13,208 gal)

(15,850 gal)

Salt required

60,000L

70,000L

(18,492 gal)

80,000L

(21,134 gal)

90,000L

(23,775 gal)

100,000L

(26,417 gal)

kg lbs kg lbs kg lbs kg lbs kg lbs kg lbs kg lbs kg lbs
1,000 0.1 30 66 40 88 50 110 60 132 70 154 80 176 90 198 100 220
2,000 0.2 60 132 80 176 100 220 120 265 140 309 160 353 180 397 200 441
3,000 0.3 90 198 120 265 150 331 180 397 210 463 240 529 270 595 300 661
4,000 0.4 120 265 160 353 200 441 240 529 280 617 320 705 360 794 400 882
5,000 0.5 150 331 200 441 250 551 300 661 350 772 400 882 450 992 500 1,102
6,000 0.6 180 397 240 529 300 661 360 794 420 926 480 1,058 540 1,190 600 1,323

• CHLORINE: For a new pool installation that has not been chlorinated, add sufficient Chlorine (liquid or

granular) to achieve a reading of 3ppm (mg/L) with a suitable test kit. Alternatively, run the EcoSalt2 salt pool
chlorination system continuously on BOOST MODE, for approximately 24 hours, or until a reading of 3ppm
(mg/L) is reached.

• STABILISER: It is essential that pool stabiliser be added and maintained at the rate of 25-50ppm (mg/L)
at all times (FOR OUTDOOR POOLS ONLY). For ORP controlled systems the stabiliser level should be
maintained between 15-25ppm (mg/L).

• (Refer Day to Day Operation page 27 for further information).

OPERATION OF YOUR EcoSalt2

CHLORINE OUTPUT is expressed as a percentage. Set the EcoSalt2 to the percentage output required
and the unit will automatically adjust the cell output to the set level. The EcoSalt2 is fitted with an electronic
control and warning system. This regulates the output of the EcoSalt2 to the pre-set maximum and changes
cell polarity as indicated by the + or – on the digital display. The polarity will alternate over a number of hours
of chlorination time, not necessarily pump-run hours.

8

CONTROL PANEL

LAYOUT

Manual on/off

ENGLISH

100% – 09:29 AM
ON

Power indicator

(lit when EcoSalt2 on)

Menu up/down

Menu/setting select

Menu/setting cancel (go back)

Alarm indicator

 (asheswhenalarmactive)

Time out
(whenever device is left for 30 seconds

without input from user, settings are saved,
and home screen displayed)

INITIAL START-UP

Once the salt level in the pool is correct the unit may be switched on.

Note: Once the unit starts there is a short time delay until the cell operates to ensure the filtration
system is primed with water.

• The first time the EcoSalt2 is turned on, the following screen is shown on start-up:

DAVEY
V1.2.1 EU 15L

> This screen shows the version of software (ie v1.2.1 shown) and your model of EcoSalt2 (ie EU 15L

shown, meaning DES2-15EL).

• The display then automatically reverts to the following screen:

9

3. LANGUAGE
ENGLISH

> This screen shows the language menu and the current language setting (ie English shown);

ENGLISH

> The language setting can be changed by pressing the

available languages;

> Press
> If a mistake is made, the setting can be changed later.

• The display then automatically reverts to the following screen:

menu/setting select once your preferred language is displayed;

menu up/down buttons to scroll through

4. TIME FORMAT
12HR

> This screen shows the time format menu and the current time format (ie 12HR shown);

> The time format can be changed by pressing the

and 24HR formats;

menu up/down buttons to toggle between 12HR

> Press
> If a mistake is made, the setting can be changed later.

• The display then automatically reverts to the following screen:

menu/setting select once your preferred time format is displayed;

1. CLOCK
07:34 PM

> This screen shows the clock’s current time (ie 07:34PM shown);
> Initially the clock hours will be flashing;

> The clock hours can be changed by pressing the

menu up/down buttons to scroll to your chosen time;

10

> Press
> If a mistake is made, the setting can be changed later.
> Next the clock minutes will be flashing;

menu/setting select once your preferred clock hour is displayed;

ENGLISH

> The clock minutes can be changed by pressing the

> Press
> If a mistake is made, the setting can be changed later.
> Next the clock AM/PM will be flashing;

> The clock AM/PM can be changed by pressing the

AM and PM;

> Press
> If a mistake is made, the setting can be changed later.

• The display then automatically reverts to the following screen:

menu/setting select once your preferred clock minutes is displayed;

menu/setting select once your preferred clock AM/PM is displayed;

menu up/down buttons to scroll to your chosen time;

menu up/down buttons to toggle between

2. DATE
01 JAN 2000

> This screen shows the date format menu and the current date (ie 01 JAN 2000 shown);
> Initially the date day will be flashing;

> The date day can be changed by pressing the

chosen date day;

> Press
> If a mistake is made, the setting can be changed later.
> Next the date month will be flashing;

> The date month can be changed by pressing the

date month;

> Press
> If a mistake is made, the setting can be changed later.
> Next the date year will be flashing;

> The date year can be changed by pressing the

date year;

> Press
> If a mistake is made, the setting can be changed later.

• The display then automatically reverts to the HOME screen:

menu/setting select once your preferred date day is displayed;

menu/setting select once your preferred date month is displayed;

menu/setting select once your preferred date year is displayed;

menu up/down buttons to scroll to your

menu up/down buttons to scroll to your chosen

menu up/down buttons to scroll to your chosen

11

100% – 09:29 AM
ON

> This screen shows the:

■ current chlorine output setting (ie 100% shown);

■ current time setting;

■ current power status (ie ON shown).

TYPICAL (EVERYDAY) START-UP

Note: Once the unit starts there is a short time delay until the cell operates to ensure the filtration
system is primed with water.

• Every time the EcoSalt2 is turned on, the following screen is shown on start-up:

ENGLISH

DAVEY
V1.2.1 EU 15L

• The display then automatically reverts to the HOME screen:

100% – 09:29 AM
ON

> This screen shows the:

■ current chlorine output setting (ie 100% shown);

■ current time setting;

■ current power status (ie ON shown).

12

EcoSalt2 FEATURES

CONTROLLING CHLORINE OUTPUT

65% – 09:35 AM
0N

The CHLORINE OUTPUT controls the time that the cell is producing chlorine, as a percentage of total time
that the EcoSalt2 is on. If the EcoSalt2 cell is producing, it is producing at 100%, unless otherwise altered
(see sections WINTER MODE, or SPA MODE). The cell run time is referred to as “cell duty cycle”.

For example:

• If the EcoSalt2 is on for 8 hours per day, and the CHLORINE OUTPUT is set to 50%: the EcoSalt2 cell
duty cycle is only 4 hours, of that day;

• If the EcoSalt2 is on for 8 hours per day, and the CHLORINE OUTPUT is set to 25%: the EcoSalt2 cell
duty cycle is only 2 hours, of that day.

ENGLISH

To adjust the CHLORINE OUTPUT:

70% – 09:35 AM
CHLORINE OUTPUT

> Press the menu up/down buttons to scroll to your chosen CHLORINE OUTPUT;
> The setting will change the cell duty cycle by 5% increments;

> Press
> This will then take you back to the HOME screen.

ACTIVATING COVER MODE

A pool’s exposure to UV contributes significantly to the pool’s total chlorine demand. Ie the amount of
chlorine the pool uses. Excessive amounts of chlorine in a pool with a cover on, can significantly shorten the
life expectancy of the pool cover, if left for long periods of time (eg weeks). Turning on the COVER MODE
reduces the cell duty cycle by 80% of its current setting.

menu/setting select once your preferred CHLORINE OUTPUT is displayed;

For example:

• If the EcoSalt2 is on for 8 hours per day, the CHLORINE OUTPUT is set to 50%, but the COVER MODE is
on: the EcoSalt2 cell duty cycle is only 48 minutes, of that day;

• If the EcoSalt2 is on for 8 hours per day, the CHLORINE OUTPUT is set to 25%, but the COVER MODE is
on: the EcoSalt2 cell duty cycle is only 24 minutes, of that day.

13

To turn on COVER MODE:

70% – 09:35 AM
CHLORINE OUTPUT

> From the HOME screen, press menu/setting select.
> The display will show this screen:

MODE

1. COVER

ENGLISH

> From this screen, press menu/setting select to enter cover mode menu;
> The display will show the current COVER MODE setting (ie COVER MODE off shown):

1. COVER
OFF

> Press the menu up/down buttons to toggle between COVER MODE on and off;

> Press
> This will then take you back to the first setting menu;

> If the EcoSalt2 is left untouched for ~ 30 seconds, or the

pushed, the display reverts to the HOME screen.

menu/setting select once your preferred COVER MODE is displayed;

menu/setting cancel (go back) button is

14

COVER MODE can also be triggered remotely
by an automated pool cover controller. By
closing the terminal block contacts on the
rear of the power supply, the EcoSalt2 will
remotely switch to COVER MODE. This
can be overridden by user intervention, by
following the steps explained previously.

ENGLISH

ACTIVATING BOOST MODE

Should the pool experience a heavy bather load, debris/contamination, or extreme warm weather, there may
be a need to super-chlorinate the pool. Turning on the BOOST MODE increases the cell duty cycle to 100%
and overrides the cell current (output) to 100% for a period of 24 hours.

To turn on BOOST MODE:

70% – 09:35 AM
CHLORINE OUTPUT

> From the HOME screen, press menu/setting select.
> The display will show this screen:

15

MODE

1. COVER

> Press the menu up/down buttons to toggle between BOOST MODE;

MODE

2. BOOST

ENGLISH

> Press menu/setting select;

2. BOOST
OFF

> The display will show the current BOOST MODE setting (ie BOOST MODE off shown);

> Press the

menu up/down buttons to toggle between BOOST MODE on and off;

16

2. BOOST
ON

> Press menu/setting select once your preferred BOOST MODE is displayed;
> This will then take you back to the first setting menu;

ENGLISH

> If the EcoSalt2 is left untouched for ~ 30 seconds, or the

pushed, the display reverts to the HOME screen.

menu/setting cancel (go back) button is

50% – 09:40 AM
BOOST

> The HOME screen will continue to show the cell duty cycle percentage, however the reference to “ON” has

been notably replaced by the reference to “BOOST”. This will remain for the 24 hour period;

> It is possible to alter the cell duty cycle during a 24-hour boost and the display percentage on the HOME

screen changes as expected. This could be handy if the setting needs altering for the next day, once the
BOOST MODE is finished;

> It should be noted though, BOOST MODE overrides every other setting. During the 24 hour period while

is BOOST MODE is active, the cell current is 100% output, and duty cycle is overridden to 100%. This is
regardless of the display on the screen.

ACTIVATING SPA MODE

The EcoSalt2 system is compatible with large swimming pool applications as well as much smaller spa
applications. Turning on the SPA MODE reduces the cell duty cycle by 80% of its current setting.

For example:

• If the EcoSalt2 is on for 10 hours per day, the CHLORINE OUTPUT is set to 50%, but the SPA MODE is
on: the EcoSalt2 cell duty cycle is only 1 hour, of that day;

• If the EcoSalt2 is on for 10 hours per day, the CHLORINE OUTPUT is set to 25%, but the spa MODE is
on: the EcoSalt2 cell duty cycle is only 30 minutes, of that day.

17

To turn on SPA MODE:

70% – 09:35 AM
CHLORINE OUTPUT

> From the HOME screen, press menu/setting select.
> The display will show this screen:

MODE

1. COVER

ENGLISH

> Press the menu up/down buttons to scroll to SPA MODE;

MODE

3. SPA

> From this screen, press menu/setting select to enter SPA MODE menu;
> The display will show the current SPA MODE setting (ie SPA MODE off shown):

18

3. SPA
OFF

> Press menu up/down buttons to toggle between SPA MODE on and off;

ENGLISH

> Press
> This will then take you back to the first setting menu;

> If the EcoSalt2 is left untouched for ~ 30 seconds, or the

pushed, the display reverts to the HOME screen.

ACTIVATING SPA MODE AND COVER MODE SIMULTANEOUSLY

Should it be necessary to run SPA MODE and COVER MODE simultaneously, the cell duty cycle is only
reduced by 80% That is, the cell duty cycle isn’t reduced by 80%, followed by a further 80%. The HOME
screen display will toggle between showing COVER and SPA.

ACTIVATING WINTER MODE

A pool’s exposure to UV contributes significantly to the pool’s total chlorine demand. Ie the amount of
chlorine the pool uses. Bather load is also a significant contributor to the pool’s total chlorine demand. In
winter, the pool’s chlorine demand is typically far less. Unless otherwise altered, if the cell is producing
chlorine, it is producing at 100% current (output). WINTER MODE reduces the cell’s current (output) to 85%.

For example:

• If the EcoSalt2 is on for 10 hours per day, the CHLORINE OUTPUT is set to 100%, the WINTER MODE is
off: the EcoSalt2 cell duty cycle is 10 hours. The cell current will be operating at 100% capacity;

menu/setting select once your preferred SPA MODE is displayed;

menu/setting cancel (go back) button is

If system is being shut down over the winter period, either turn power off to the
EcoSalt2 or change chlorine output to 0%.

• If the EcoSalt2 is on for 10 hours per day, the CHLORINE OUTPUT is set to 100%, but the WINTER

MODE is on: while the EcoSalt2 cell duty cycle is still 10 hours, the cell current will only be operating at
85% capacity.

To turn on WINTER MODE:

70% – 09:35 AM
CHLORINE OUTPUT

> From the HOME screen, press menu/setting select.

19

> The display will show this screen:

MODE

1. COVER

> Press the menu up/down buttons to scroll to WINTER MODE;

MODE

4. WINTER

ENGLISH

> From this screen, press menu/setting select to enter WINTER MODE menu;
> The display will show the current WINTER MODE setting (ie WINTER MODE off shown):

4. WINTER
OFF

> Press menu up/down buttons to toggle between WINTER MODE on and off;

> Press
> This will then take you back to the first setting menu;

> If the EcoSalt2 is left untouched for ~ 30 seconds, or the

pushed, the display reverts to the HOME screen.

menu/setting select once your preferred WINTER MODE is displayed;

menu/setting cancel (go back) button is

20

LOW FLOW ALARM
Should the EcoSalt2 flow switch register a flow rate below 3.6m3/h (16 gal/min), the EcoSalt2 will enter LOW

FLOW ALARM:

ALARM
LOW FLOW

In LOW FLOW ALARM, the EcoSalt2 will not produce chlorine. Once the flow switch registers flow above 60L/
min (16 gal/min), the EcoSalt2 will return to normal operation. To achieve best efficiency, the EcoSalt2 cell should
be installed such that turbulent water is limited as much as possible. Do not install a 90° elbow closer that 200mm
(8”) from the cell’s inlet barrel union. Isolation valves used where equipment is located below pool water level,
should also be installed no closer than 200mm (8”) from inlet barrel union. This will assist laminar flow.

ADD SALT ALARM

Should the EcoSalt2 register low conductivity within the cell, this could be triggered by cold water (below
15ºC / 59ºF), or a salt concentration below its minimum (refer to recommended salt range section in the
manual), the EcoSalt2 will enter ADD SALT ALARM. Additional salt may be added to overcome a lower
temperature. However, the maximum salt level should also be considered and if water temperature drops too
far, the system should be turned off.

ENGLISH

ALARM
ADD SALT

Once the EcoSalt2 registers a salt concentration within range (refer to recommended salt range section in the
manual), the EcoSalt2 will return to normal operation.

LOW SALT CUT-OUT ALARM
Should the salt concentration continue to be diluted, the EcoSalt2 will enter LOW SALT CUT-OUT ALARM.

ALARM
LOW SALT CUT-OUT

21

Once the salt concentration is corrected, the LOW SALT CUT-OUT ALARM must be reset by pushing the

manual ON/OFF button. Alternatively, the EcoSalt2 will conduct a system check automatically when

powered up the next time (if operating via a separate power supply). Upon start-up if the EcoSalt2 registers
a salt concentration within range (refer to recommended salt range section in the manual), the EcoSalt2 will
return to normal operation.

LOW SALT CUT-OUT ALARM is triggered at the following (approximate) salt concentrations:

EcoSalt2 model Low salt cut-out alarm (approx. salt concentration)

DES2-15EL, DES2-25EL
DES2-15USL, DES2-25USL

DES2-15E, DES2-25E, DES2-35E
DES2-15US, DES2-25US, DES2-35US

ADD SALT ALARM AND LOW FLOW ALARM

Should the EcoSalt2 register low flow and a salt concentration below its minimum (refer to recommended
salt range section in the manual), the EcoSalt2 will alarm. The display will toggle between the ADD SALT
ALARM and the LOW FLOW ALARM. In LOW FLOW ALARM, the EcoSalt2 will not produce chlorine. As
shown previously once faults are rectified, normal operation will resume.

OVERRIDING LANGUAGE SETTING

1,200ppm (mg/L)

2,500ppm (mg/L)

ENGLISH

70% – 09:35 AM
CHLORINE OUTPUT

> From the HOME screen, press and hold menu/setting select for 3 seconds.

SETTINGS

1. CLOCK

> Press the menu up/down buttons to scroll down to LANGUAGE;

22

> Adjust language following instructions detailed in INITIAL START UP section, earlier in this manual.

OVERRIDING TIME FORMAT SETTING

70% – 09:35 AM
CHLORINE OUTPUT

> From the HOME screen, press and hold menu/setting select for 3 seconds.

SETTINGS

1. CLOCK

ENGLISH

> Press the menu up/down buttons to scroll down to TIME FORMAT;
> Adjust time format following instructions detailed in INITIAL START UP section, earlier in this manual.

DISPLAY ALARM HISTORY

The EcoSalt2 keeps a history log for the user that registers the number of hours during which the EcoSalt2
is in alarm mode. As a reminder, the cell life expectancy will be reduced if the EcoSalt2 is run with salt
concentrations outside of the recommended range.

70% – 09:35 AM
CHLORINE OUTPUT

> From the HOME screen, press and hold menu/setting select for 3 seconds;

23

SETTINGS

1. CLOCK

> Press the menu up/down buttons to scroll down to ALARM HISTORY;

SETTINGS

5. ALARM HISTORY

> Press menu/setting select;

ENGLISH

CELL RUN TIME
0

> Press the menu up/down buttons to toggle between cell run time and low salt time.

LOW SALT TIME
0

24

MAINTENANCE OF POWER SUPPLY

Little, or no maintenance is typically required. However, it is essential that the wall or post to which the
EcoSalt2 is installed be sprayed (not the EcoSalt2 itself) periodically with a good surface type insect
repellent, since penetration by insects may cause damage, which is not covered by your warranty.

IMPORTANT. Certain local electrical regulations state “If the supply cord is damaged, it
must be replaced by a special cord available from the manufacturer or its service agent”.

MAINTENANCE OF THE IN-LINE ELECTROLYTIC CELL

The EcoSalt2 cell is composed of precious materials, and although proper maintenance can prolong its life
to the maximum, eventually the output will wear away its delicate coating, at which time it gradually ceases
to produce chlorine. Calcium (scale) is deposited on the plates as electrolysis takes place. This build up will
interfere with the flow of electrical current in the cell and thus lowers chlorine production. It is essential to
inspect the cell regularly and clean when necessary. The rate at which deposits will form on the plate differs
with each pool and can be influenced by the following:

• Calcium Hardness of the water;

• Water temperature;

• pH level;

• Water which has been chlorinated with calcium hypochlorite for an extended period; and/or

• Calcium in the plaster surfaces of a concrete pool.

ENGLISH

Because these conditions vary so much, check the cell at least weekly to begin with to see if either scale
or a blue/green soapy substance appears on the plates. You will then be able to determine the cleaning
cycle necessary for your pool (more frequent cleaning may be required in summer). The intervals between
cleaning could get longer to the point where cleaning is only necessary a couple of times each year.

NOTE: In areas with hard water, even reverse polarity systems may require occasional
manual cleaning.

The life of the EcoSalt2 cell varies substantially from one installation to another due to variations in operating
time, water quality and composition, system and cell maintenance.

Please ensure that when cell replacement is necessary you use the correct genuine EcoSalt2 replacement
cell to match your system. The correct EcoSalt2 replacement cells to use are shown in the table below:

Model

DES2-15E, DES2-15US DES2C15REP
DES2-15EL, DES2-15USL

DES2-25E, DES2-25US
DES2-25EL, DES2-25USL

DES2-35E, DES2-35US

TO CLEAN THE EcoSalt2 IN-LINE CELL

Replacement
Cell Code

DES2C25REP

DES2C35REP

ALWAYS INSIST ON GENUINE DAVEY REPLACEMENT PARTS.

If it is necessary to replace the in- line electrolytic cell, beware
of “look-a-likes”. Only the Genuine EcoSalt2 cell is designed
and warranted to operate with the EcoSalt2 Power Supply.

SERIOUS DAMAGE MAY RESULT TO THE ELECTRONICS
INSIDE THE EcoSalt2, IF CLONE CELLS ARE USED. THIS
MAY ALSO VOID WARRANTY.

Ensure that the EcoSalt2 and pool pump is turned off. Failure to do so may result in the pool pump turning
on while the cell is not in place. Disconnect the flow switch and cell lead from the top of the cell housing.
Remove the cell from the pool return line by undoing the cell nut, taking care not to lose the o-rings. Inspect
the cell for obvious damage. If damage is present, do not energize, or operate the unit. Instead consult your
place of purchase, or nearest Davey representative from the back page of this manual.

Method one:

Add 1 part HYDROCHLORIC ACID to 10 parts WATER in a suitable container and immerse the cell in this
solution. It should not take longer than a few minutes to clean, if it does the cell should be cleaned more
frequently. If the build – up is not excessive it may be possible to clean the cell plates with a jet of running
water. Return the cell to its housing and connect leads to the head assembly.

25

Method two:

As an alternative, an approved commercial cell cleaning solution can be used a number of times effectively.

NOTE: Always add acid to water. Never add water, to acid. Always wear eye protection
and rubber gloves. Always clean the cell in a well-ventilated area.

RE-INSTALLING CELL AFTER CLEANING OR REPLACEMENT

When re-installing the Eco-Salt2 cell into the in-line housing, ensure that the cell locking nut is tight. Do this
by turning on the pool pump once fitted, then checking for leaks.

ENGLISH

If there is a leak, remove the lock nut and inspect the o-ring for debris, or damage. Then re-try. Before re­fitting the cell connectors, ensure that the terminals are dry.

SAFETY DEVICE

Hydrogen Gas is a by-product of the chlorine producing process. A Flow Switch has been supplied with the
EcoSalt2, which will stop output if low or no flow is detected. The EcoSalt2 system will run to flows down to

3

/h (16 gal/min).

3.6m

DAY TO DAY OPERATION

Four prime rules must be observed if your unit is to give the best possible service:

1. STABILISER

The importance of pool stabiliser cannot be over – emphasised. It is essential in helping retain chlorine
in your pool. Chlorine is rapidly dissipated by sunlight and the use of stabiliser will reduce this dissipation
substantially. Without stabiliser, it may be necessary to run the Unit for up to three times as long!

Stabilizer should be added at the rate of 500g (1.1 pounds) for every 10,000L (2,640 gallons) of water.
Stabilizer should be maintained at a level of 25-50ppm (mg/L). If a ORP controller is used, Stabilizer should
be maintained at a level of 15-25ppm (mg/L).. Before adding more stabiliser, have your pool water analysed
at your pool shop to ensure that you do not add too much. (FOR OUTDOOR POOLS ONLY, INDOOR DO

NOT REQUIRE STABILISER)

2. pH AND TOTAL ALKALINITY

A correct pH level must be maintained to prevent problems such as black spot, staining, cloudy water, etc. An
incorrect pH level can damage the pool. Correct pH levels are as follows; Fibreglass – 7.2 to 7.4; Concrete &
tiled – 7.4 to 7.6 If you allow the pH level to rise to 8.0 or above, the chlorine required could be as much as
three times the normal amount, in order to correctly sanitise the pool.

Total Alkalinity should not be confused with pH. Although the two are closely related, Total Alkalinity determines
the speed and ease of pH change. The ideal range is 80 – 150 ppm (mg/L) or, refer to your pool professional.

You should use a test kit which includes a test for Total Alkalinity. Low Total Alkalinity can cause unstable pH
levels. An inability to keep the pH constant may cause staining, etching and corrosion of metals. High Total
Alkalinity will cause constantly high pH levels and tends to encourage Calcium scaling.

26

3. TDS LEVELS

WARNING: Some people recommend that you put salt directly in the skimmer box.
This is a poor practice as it allows very high concentrations of salt to be passed

through your ltration and other pool equipment.

Salt is the essential element by which your EcoSalt2 operates with. Insufficient Salt will damage your cell.

RECOMMENDED SALT LEVEL RANGE

EcoSalt2 model Operating salt level Add salt alarm

DES2-15EL, DES2-15USL,
DES2-25EL, DES2-25USL

DES2-15E, DES2-15US,
DES2-25E, DES2-25US,
DES2-35E, DES2-35US

WARNING: Do not add Hydrogen Peroxide to pool water or through swimming
pool hydraulic, or sanitiser system. Use of Hydrogen Peroxide will void warranty

on Davey products.

Salt is NOT used up in the chlorination process, or by evaporation. It is only lost through dilution caused
from: backwashing, splash-out, overflow, leakage from the pool, or plumbing. Heavy rain can dilute the salt
levels in your pool therefore, salt levels should be checked during these events.

1,500 – 6,000ppm ~ 1,500ppm

3,000 – 6,000ppm ~ 3,000ppm

ENGLISH

Low salt levels will destroy the coating on the cell plates and will void all Warranty.

The EcoSalt2 has a built-in warning indicator to minimise damage resulting from insufficient salt levels however,
the ultimate responsibility is on the owner to ensure adequate salt levels are maintained all year round.

4. RUNNING TIMES

These instructions cover EcoSalt2 for residential use only.
If you run your Sanitiser on maximum output for, 24 hours a day, or for longer periods, the cell life will be

greatly reduced. It is important that the correct model EcoSalt2 has been installed on your pool. Many
models are available from Davey to cope with small courtyard pools up to commercial size pools. (Consult
your local EcoSalt2 Dealer for more information).

Note: The EcoSalt2 warranty does not apply to commercial or semi-commercial applications, i.e. where the
pool chlorine demand is far in excess of a typical residential pool.

27

CHLORINE PRODUCTION

The EcoSalt2 must be run daily to generate sufficient chlorine to sanitise the pool. During summer a typical
installation would require eight hours per day of chlorination. Depending on when you choose to run the
EcoSalt2, it is best to test the residual Chlorine in the pool at the point where you would anticipate the levels
be at their lowest. At that chosen time of the day, if the residual Chlorine level from your test is reading too
high, reduce the EcoSalt2 CHLORINE OUTPUT. Alternatively, if the residual Chlorine level from your test is
reading too low, increase the EcoSalt2 CHLORINE OUTPUT (refer to page 13). Correct chemical balances
(see page 29) are critical to ensure the EcoSalt2 performs correctly.

In cooler times of the year, it’s typically possible to reduce running hours of the EcoSalt2. Follow instruction
from your pool professional. Chlorine output can also be reduced throughout this time by entering WINTER
MODE, (see page 19).

“SHOCK” TREATMENT

Periodically, especially during extremely hot conditions, it may be necessary to boost the chlorine level in the
pool. This can be achieved by selecting BOOST MODE, which will run the system on full for 24 hours, (see
page 15). Alternatively, add either liquid, or granulated chlorine. If granulated chlorine is added, the cell must
be checked regularly, since the additives from this product can clog the electrodes.

CHLORINE TYPES AND COMPARISONS / MAX POOL SIZE

Many chlorinator manufacturers calibrate their units to compare with 65% granulated chlorine, making it
necessary to adjust their readings to a lower level in order to determine true chlorine production. Below is a
comparison table of the available types of chlorine used to sanitise pools.

ENGLISH

EcoSalt2
Model

DES2-15E(L)
DES2-15US(L)

DES2-25E(L)
DES2-25US(L)

DES2-35E(L)
DES2-35US(L)

NOTE: The appropriate EcoSalt2 for your pool is dependent on the local climate,
bather load of the pool and running times. Please note that the EcoSalt2 cell life can be

increased with shorter running times during winter and lower output settings. Davey
recommends the EcoSalt2 be run for between 6 - 8 hours a day during summer, and 4

hours during winter.

Maximum

production

grams (lb)

per hour

@ 100%

15

(0.03)

25

(0.06)

35

(0.07)

Production

@ 65%

equivalent in

grams (lb)

per hour

23

(0.05)

38

(0.08)

53

(0.12)

Chlorine

produced

over 8 hours

grams (lb)

per hour

120

(0.22)

200

(0.28)

280

(0.62)

Maximum Pool Size

Cool Climates

< 25ºC

(< 77ºF)

3

75m

(20,000 gal)

3

125m

(33,000 gal)

3

175m

(46,000 gal)

Temperate

Climates

25ºC to 30ºC

(77ºF to 86ºF)

3

58m

(15,000 gal)

3

96m

(25,000 gal)

3

134m

(35,000 gal)

Hot & Tropical

Climates

> 30ºC

(> 86ºF)

3

46m

(12,000 gal)

3

80m

(21,000 gal)

3

112m

(30,000 gal)

28

GENERAL INFORMATION

POOL WATER CHEMISTRY INSTRUCTIONS

POOL
WATER
BALANCE

Ideal
reading
/ range

To increase

Free Chlorine

(ppm)

1.5 - 3

Increase
output of
sanitiser.

Add chlorine.

Increase

ltrationtime.

pH

Concrete &

tiled pools

7.4-7.6

Other surfaces

7.2-7.4

Add Soda

Ash (Sodium

Carbonate)

Total

Alkalinity TA

(ppm)

80 - 150

Add Buffer

(Sodium

Bicarbonate)

Calcium

Hardness

(ppm)

Concrete &

tiled pools

200-275

Other surfaces

100-225

Add Calcium

Chloride

Stabiliser -

Cyanuric Acid

(ppm)

25-50ppm
(15-25ppm if
used with an

ORP controller)

Not to be used

in indoor pools.

Add Cyanuric

Acid

ENGLISH

Recommended

salt Levels

(ppm)

Depends on

model (see

page 27)

Add salt

Decrease

To decrease

Frequency
of testing

output of
sanitiser.

Decrease

ltrationtime.

Weekly Weekly Weekly Weekly Regularly Regularly

Add

Hydrochloric

Acid

TROUBLE SHOOTING

No Chlorine Production - Check for:

1. No power to system

2. Insufficient flow from pump

3. Control set to manual off

4. CHLORINE OUTPUT set to “0” setting

5. Dirty cell

6. Filter needs back washing

7. Flow switch not connected or damaged

Add

Hydrochloric

Acid or Dry

Acid

Low Chlorine Production - Check for:

1. Dirty cell - clean if required

2. Filter needs back washing

3. Pool stabiliser too low

4. pH too high

5. Salt level too low

6. Running time inadequate

7. CHLORINE OUTPUT set too low

Partially drain

&rellpool

with lower

hardness

water to Dilute

Partially drain

&rellpoolto

dilute

Partially drain

&rellpoolto

dilute

8. Salt level too low triggering low salt cut-out

9. Main house fuse blown

10. Pump faulty

8. POOL COVER MODE accidently turned on

9. SPA COVER MODE accidently turned on

10. WINTER MODE accidently turned on

11. Pump faulty

12. Cell failing

13. Cell requires cleaning more than weekly
– refer to manual addendum:

https://www.daveywater.com/products/resources/

chlorinators/EcoSalt2_Addendum.pdf

29

SPARE PARTS

DES2-25E DES2-25EL DES2-35E

SPARE PARTS EXPLODED DIAGRAM

15g/h system DES2-15E DES2-15EL DES2-15US DES2-15USL
125g/h system DES2-25E DES2-25EL DES2-25US DES2-25USL
35g/h system DES2-35E DES2-35US

1

7

2

3

ENGLISH

5

4

11

14

6

16

15

12

13

8

9

10

17

QTY

ITEM NOTES DESCRIPTION

1 Cell connection plug assy 1 33021
2 Cell locking ring 1 16058
3 O-ring - cell head 1 403377
4 Paddle switch 1 16102-3SP
5 Barrel union assembly - EU 2 48722B-1
5 Barrel union assembly - US 2 48722B
6 Cell body 1 16056
7 Screw 8 403625
8 Switch mode p/supply DES2-15E(L) & DES2-15US(L) 1 403368
8 Switch mode p/supply DES2-25E(L), DES2-25US(L), DES2-35E, DES2-35US 1 403369
9 Mains loom 1 16073
10 Power cord - EU 1 403371
10 Power cord - US 1 16190
12 Bush power cable 1 403372
13 PCB assy DES2-15E, DES2-15US 1 33005C-15ESP
13 PCB assy DES2-15EL, DES2-15USL 1 33005C-15ELSP
13 PCB assy DES2-25E, DES2-25US 1 33005C-25ESP
13 PCB assy DES2-25E, DES2-25US 1 33005C-25ELSP
13 PCB assy DES2-35E, DES2-35US 1 33005C-35ESP
14 PCB LCD & gasket 1 16046C
15 Screw LCD 4 403366
16 Control panel decal 1 16047
17 Front casing 1 16042
– Mounting kit 1 33040
– Blanking cap 1 16057-1
– O-ring - blanking cap 1 403377
– Reducing bush - EU only 2 403393

REQ’D PART NO.

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