Waterco HYDROCHLOR ST User manual

www.waterco.com
WARNING
!
HYDROCHLOR ST
mineral chlorinator
Owners Manual
This equipment must be installed and serviced by a qualified technician.
Improper installation can create electrical hazards which could result in
property damage, serious injury or death. Improper installation will void the
warranty.

Table of
What’s in the Box? .................................................................................. 01
FEATURES .................................................................................................. 01
HYDROCHLOR ST ................................................................................... 01
Hydrochlor ST Control Unit ............................................................ 01
Time Switch ........................................................................................... 01
Electrolytic Salt Cell ........................................................................... 02
Self-Cleaning ......................................................................................... 02
Battery Back up ................................................................................... 02
INSTALLATION ......................................................................................... 02
PLUMBING DIAGRAM ........................................................................... 03
Installing the Control Unit ................................................................ 03
Installing/ Connecting Electrolytic Cell ..................................... 04
OPERATION ............................................................................................... 04
Setting the time ................................................................................... 04
CHLORINE PRODUCTION LEVELS ................................................. 05
ALARMS ....................................................................................................... 06
WATER CHEMISTRY .............................................................................. 06
Salt Level ................................................................................................. 06
Water Chemistry .................................................................................. 07
SALT CELL CLEANING PROCEDURE ............................................ 07
TROUBLESHOOTING ............................................................................ 07
TECHNICAL SPECIFICATIONS ......................................................... 08
GENERAL SAFETY RULES .................................................................. 09
WARRANTY ............................................................................................... 09

I pg 01
Waterco Hydrochlor ST
What’s In the Box?
• Hydrochlor ST Control Unit
• Manual Warranty Booklet
NOTE: If bought as Salt Water Chlorinator unit, the electrolytic cell is provided in a
separate carton.
FEATURES
Chlorine Generation
Through the process of electrolysis, a saline solution pass over an electrolytic cell, then
the saline solution is separated into its basic components: chlorine and sodium. The
chlorine is instantaneously transformed into hypochlorous acid; this the chlorine form
that kills algae and other harmful organism in the water.
A chlorine generator’s main function is to produce chlorine for the pool. This keeps
a residual of chlorine in the pool that prevents algae and bacteria from growing. The
chlorine then turns back into salt and the system continues as long as the generator is
functioning properly.
Consistently maintained sanitizer levels in the pool water will
prevent the growth of all common algae and bacteria. A salt-
water chlorinated pool requires much less attention than a
chlorine pool.
HYDROCHLOR ST
Hydrochlor consists of a Control Unit (power supply)with a built
in timer (Synchronous Timer) and a electrolytic salt cell (where
the chlorine is produced).
Hydrochlor Control Unit
The Control Unit monitors and regulates chlorine production by
regulating the amount of electrical energy supplied to the electrolytic salt cell.
Synchronous Timer
The Timer controls power
to the pump and electrolytic cell.
It can be programmed to turn
“ON” or “OFF” at any time that
suits your lifestyle.
Synchronous Timer

Electrolytic Salt Cell
Waterco’s salt cell consists of a series of titanium
electrodes with opposite charges. Waterco’s clear salt cell
housing allows visual inspection of the salt cell plates and
enables monitoring of chlorine production.
The cell housing is constructed using clear U.V. stabilized
acrylic. Both anode and cathode of the self-clean chlorinator are
made from uniquely coated titanium plates for extra durability.
Self-Cleaning
Waterco’s Self Clean Salt Cell has the added ability to reverse the polarity of the
voltage to clean calcium build up off its electrodes.
The Hydrochlor Control Unit power up the salt cell (anode and cathode) and hold
an electrical potential difference between them for a designated period of time.
This difference is reversed after that period of time has expired and then the anode
becomes the cathode and the cathode becomes the anode.
The reversing of polarity or electrical potential difference will then start to remove any
calcium build-up, which may have been deposited onto the cathode.
This continuous reversing of polarity will keep the cell clean from calcium deposits
during its operation, providing the chemical balance and flow of the pool water thru
the cell is maintained within normal parameters.
It is recommended that you obtain regular water chemistry tests from your local pool
professional to ensure your water balance is within range.
INSTALLATION
These guidelines should be followed to install the Hydrochlor ST:
a. Ensure that the electrolytic cell is the last piece of equipment installed on the
filtration system – this is so the chlorine produced will not damage other equipments
such as heaters.
b. The electrolytic cell may be installed above or below water level. If it is below water
level, please ensure that an isolation valve is installed so the unit can be serviced
without losing water from the pool.
c. The cell may be mounted on different angles so long as a gas trap is provided.

I pg 03
Waterco Hydrochlor ST
GAS TRAP: The cell must be positioned in such a way as to provide a gas trap. The
bottom of the cell must be above the top surface of the pipe from the previous
piece of equipment, as per the below diagram.
PLUMBING DIAGRAM
Installing the Control Unit
Choose a location for the Control Unit close enough to the Cell/Housing and filtration
pump so that both may be connected/disconnected easily. The Control Unit should
not be mounted in areas where chemicals are stored (e.g. acid and chlorine). Also
ensure the Control Unit can be connected to the mains power outlet of the pool area.
Note that this outlet must meet the current applicable local standards at the time of
installation.
The PUMP socket outlet in the base of the Control Unit is dedicated to the filtration
pump only. Do not use a double adaptor to connect another pump as this will
overload the system and void warranty.
GAS TRAP
40/50mm glued
connections
Sell Clean Requires
Minimum Maintenance
Heat Pump
Water Out
Water By-pass
PUMP
Filter
Water In
From Spa From Pool
3 Way Valve
To Spa
SPA POOL
SPA POOL
Vertical Trap
Check
Valve
HYDROCHLOR ST
ELECTROLYTIC CELL
Chlorinator or
Chlorine Generator
To Pool

Installing/Connecting Electrolytic Cell
The Cell/Housing assembly should be plumbed into the pool return line after all other
accessories (and prior to any heating take-offs). Note any water flow direction on
the Cell/Housing. The Cell will need to be removed from the housing periodically for
cleaning – do not place it where its removal can be difficult/obstructed.
The Electrolytic Cell is connected to Control Unit using the cell cable.
Ensure that the 4 connections (3 for Cell Power and 1 for flow detection) are not loose.
A loose connection is likely to cause arcing which may damage the entire system.
NOTE: Connect all plumbing to the Cell Housing taking care that all joints are glued
or tightened securely to prevent leaking.
Allow 24 hours for glue (solvent) to set before starting the Hydrochlor ST.
OPERATION
Setting the time
To set current time, rotate minute hand until arrow-head aligns with correct time.
The clock operates in a 24 hour time sequence
Setting Filtration and Chlorinator Operation Time.
To set ON/OFF times, move all tappets
between ON and OFF times required
to outer position.
I.E. to set ON at 7.30 a.m. and OFF
at 10.30 a.m. move all tappets
between 7.30 and 10.30 to
outer position (see fig. 1).
Power
Connections
Flow Sensor
Cell Connections
Tappets in OFF
position Tappets in
ON position
Figure 1

I pg 05
Waterco Hydrochlor ST
Manual Override switch (see fig. 2)
ON Position:
the timer is permanently ON irrespective of tappet positions. This is the recommended
setting to work in combination with Waterco’s Aquamaster or ChemfloPlus.
AUTO Position:
the timer is operating on timed control as determined by tappet positions. This the
automatic operation position.
OFF Position:
the timer is permanently OFF irrespective of tappet positions.
CHLORINE PRODUCTION LEVELS
The output of the chlorinator can be adjusted to reflect the different seasonal
requirements in order to maintain satisfactory chlorine sanitizer levels.
The amount of chlorine produced can be adjusted by pressing the CHLORINE
PRODUCTION key. Press button to raise production. If production already set at
maximum it will turn to zero and each press will raise production by one LED till MAX.
If the pool water is over chlorinated, simply reduce the chlorine production set level.
Pump Only Mode: The Chlorinator can be set to activate the pump only for maintenance
purposes (e.g. backwashing the filter). The pump only mode will disable the flow
detection and chlorine production in the cell. To set press CHLORINE PRODUCTION
key until Pump Only mode LED is lit.
“ON” Position “AUTO” Position “OFF” Position
Figure 2

ALARMS
Hydrochlor ST includes alarm signals to indicate potential problems associated with its
functionality and to protect the control unit/electrolytic cell. The chlorine production
LEDs will blink/lit or change the colour to indicate the correspondent situation.
• Low Chlorine Production Level LED blinking: Salt level is below the minimum
allowed, please add salt to pool. Consult your pool professional how to increase the
salt level. This condition may affect the longevity of the cell and void its warranty.
• High Chlorine Production Level LED blinking: Salt level is moderately above
the maximum operational level. It needs to be reduced below the maximum
recommended. Consult your pool professional how to reduce the salt level. This
condition may affect the longevity of the cell and void its warranty.
• MaxChlorineProductionLevelLEDAmber: Salt level is too high. The control unit will
stop the chlorine production until it’s reduced below the maximum recommended.
Consult your pool professional how to reduce the salt level.
• NoWaterFlow: The flow sensor is not detecting water flowing through the cell
housing. Control Unit will stop chlorine production and power to pool pump. Please
refer to trouble shooting guide or consult your pool professional.
WATER CHEMISTRY
Salt Level
The Hydrochlor ST chlorinators must operate between the salt level ranges listed below.
• MINIMUM = 4000 TDS • OPTIMUM = 5500 TDS • MAXIMUM = 6000 TDS
Testing kits are available from the local pool professional and should be used to
accurately check the salt level in the pool water.
MAX
HIGH
MED
LOW
MIN
PUMP ONLY
CHLORINE
PRODUCTION
PRESSING CHLORINE PRODUCTION
CONTROL BUTTON WILL CYCLE
THROUGH THE CHLORINE
PRODUCTION LEVEL AND PUMP
ONLY FUNCTION

Water Chemistry
It is important to maintain the correct water chemical balance in the swimming pool;
this will help protect the Hydrochlor chlorinator and its cell.
Consult the local pool professional for the correct water balance according to the
swimming pool type.
The Hydrochlor chlorinator will run correctly at the following chemistry levels
SALT CELL CLEANING PROCEDURE
a. Set the Synchronous Timer to “off” position.
b. Unscrew the barrel unions from the salt cell and disconnect the cables from the salt
cell’s brass connectors.
c. Turn the salt cell housing upside down with both ports facing upwards.
d. Pour the Cell Wash cleaning solution into the housing to dissolve the calcium build-
up from the salt cell plates. There should be just enough solution to cover the salt
cell plates.
e. Allow enough time for the solution to dissolve the calcium build-up from the salt cell
plates. Approximately 5 to 10 minutes.
f. Once the calcium build-up has been removed, pour out the Cell Wash solution into a
bucket and lightly rinse-off excess calcium and Cell Wash solution from the salt cell
assembly, with fresh water.
g. Reconnect the salt cell onto the filter system
h. Set the time back to original “ON” or “AUTO” position on the power pack to
reactivate the Hydrochlor.
Never use products that are not specifically manufactured to clean the Hydrochlor
ST’s salt cell. Do not use raw acids such as Hydrochloric acid. This will damage
the salt cell and severely life and will void warranty. Please consult your local pool
professional for advice on salt cell cleaning products.
TROUBLESHOOTING
I pg 07
Waterco Hydrochlor ST
SYMPTOM POSSIBLE CAUSE REMEDY
Low chlorine level in
pool
Operating time too short Increase operating time
Production control set too low Set production higher
Low salt Add required amount of salt
Pool chemistry not correct Have water tested
Unit does not operate No electrical power
Hydrochlor ST switch off
Connect power, check fuse,
switch on Hydrochlor ST
Range Suggested
pH. 7.2 – 7.8 7.2 – 7.6
Total alkalinity 60 – 200ppm 80 – 150ppm
Calcium hardness 100 – 500ppm 60 – 250ppm
Stabilizer (Sun screen) 30 – 60ppm

Cell Housing dimensions
TECHNICAL SPECIFICATIONS
Power Unit Waterco Salt Cell
Input 220-240V AC
Frequency 50/60 Hz
Current 1.6 A
Socket Outlet 220-240V AC
Maximum Current Output 8A
Minimum Salt Level 4000 TDS
Maximum Salt Level 6000 TDS
Type of Salt Standard Pool
Salt/Mineral Salt
Input 20V DC
Maximum Current Output 6A DC
Waterco Salt Cell Chlorine Production
(g/hr)
MaxPoolSize/Climate
Temperate Tropical
Series 2000 20 60,000 48,000
Series 2500 25 80,000 60,000
Series 3000 30 100,000 72,000
RecommendedPoolSizes
SYMPTOM POSSIBLE CAUSE REMEDY
Not keeping time Time clock setting, power
outage
-
Electrical fault Return to distributor for repair
All LEDs blinking Electrical fault Return to distributor for repair
No chlorine production Control unit set to pump
only
Press Chlorine Production button
to set the desired level
Timer in OFF position Set Time to ON or AUTO position
Pump not working Pump not connected to
pump socket outlet
Plug pump lead to Pump Socket
outlet
No flow detected Check pool water level
Check position of multiport valve
Check connection of flow sensor pin
A (mm) 367
B (mm) 134.5
C (mm) 130
D (mm) 102.5
E (mm) 120
A
BC
D
E

I pg 09
Waterco Hydrochlor ST
GENERAL SAFETY RULES
1) The equipment mentioned in this manual is specially designed for the sanitizing of
water in swimming pools.
2) It is designed to work with clean water at a temperature not exceeding 35°C (95°F).
3) The installation should be carried out in accordance to the safety instructions of
swimming pools especially Standard HD 384.7.702 and the specific instructions for
each facility.
4) The rules enforced on accident prevention should be carefully followed.
5) Any modification of the chlorinator requires the prior consent of the manufacturer.
Original replacement parts and accessories authorized by the manufacturer ensure
a high level of safety. The manufacturer accepts no liability for the damage and
injuries caused by unauthorized replacement parts and accessories.
6) During operation, some parts of the chlorinator are subject to dangerous electric voltage.
Work may only be performed on the chlorinator or on the equipment connected to it
after disconnecting them and the starting device from the mains power.
7) The user should make sure that assembly and maintenance tasks are carried out
by qualified authorized persons and that these persons have first carefully read
the Service and Installation Instructions.
8) The operating safety of the chlorinator is only guaranteed if the Installation and
Service instructions are correctly followed.
9) The limit values stated in the Technical Specifications should not be exceeded
under any circumstance.
10) In the event of defective operation or fault, contact the manufacturer’s Technical
Support Department or its nearest Authorized Agent.
11) If the supply cord is damaged, it must be replaced by the manufacturer or its
service agent or a similarly qualified person.
12) 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 use of the
appliance by a person responsible for their safety.
13) The appliance is not intended for use by young children. Young children should be
supervised to ensure that they do not play with the appliance.
These chlorinators are approved and conformed to AS3136 Swimming Pool Equipment,
as a prescribed article under Australian Registration.
These chlorinators conform to the Australian Electromagnetic Compatibility Standard
marked by the C-tick.
WARRANTY
Two Years Warranty:
Hydrochlor ST 2 years*
Electrolytic Salt Cell 2 years
Power pack 2 years
Commercial Installations 1 year
*Please refer to Waterco’s Warranty terms and conditions

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