SlimLine Eco 17L, Eco 24L, Eco 30L Technical Manual
© 2013 Aquion, Inc. TM-EN-Slimline-Rev2013.08
Technical Manual
WATER SOFTENER
TABLE OF CONTENT
Page 2
Table of content .................................................................................................................. Page 2
Warning & Safety instructions ............................................................................................ Page 3
Operating conditions & Requirements ............................................................................... Page 4
Installation .......................................................................................................................... Page 5
Start-up ............................................................................................................................... Page 6
Electronic control panel ...................................................................................................... Page 7
Maintenance ....................................................................................................................... Page 11
Hydraulic flow diagrams - Eco ............................................................................................. Page 12
Hydraulic flow diagrams - Eco+ ........................................................................................... Page 13
Troubleshooting .................................................................................................................. Page 14
Electrical wiring diagrams ................................................................................................... Page 16
Default parameter settings ................................................................................................. Page 17
Exploded view - Slimline 11L, 14L ....................................................................................... Page 18
Exploded view - Slimline 17L, 24L, 30L ............................................................................... Page 20
Exploded view - Valve body assembly - Eco ....................................................................... Page 22
Exploded view - Valve body assembly - Eco+ ...................................................................... Page 24
Exploded view - Valve body assembly ................................................................................ Page 26
Technical data - Eco ............................................................................................................ Page 27
Technical data - Eco+ ........................................................................................................... Page 28
WARNING & SAFETY INSTRUCTIONS
Page 3
Before you begin the installation of the water softener, we advise you
read and carefully follow the instructions contained in this manual. It
contains important information about safety, installation, use and
maintenance of the product. The actual system that you have received,
may differ from the pictures/illustrations/descriptions in this Technical
Manual.
Failure to follow the instructions could cause personal injury or damage
to the appliance or property. Only when installed, commissioned and
serviced correctly, the water softener will offer you many years of
trouble-free operation.
The water softener is intended to 'soften' the water, meaning it will
remove hardness minerals; it will not necessarily remove other
contaminants present in the water. The water softener will not purify
polluted water or make it safe to drink!
Installation of the water softener should only be undertaken by a
competent person, aware of the local codes in force. All plumbing and
electrical connections must be done in accordance with local codes.
Before setting up the water softener, make sure to check it for any
externally visible damage; do not install or use when damaged.
Use a hand truck to transport the water softener. To prevent accident
or injury, do not hoist the water softener over your shoulder. Do not lay
the water softener on its side.
Keep this Technical Manual in a safe place and ensure that new users
are familiar with the content.
The water softener is designed and manufactured in accordance with
current safety requirements and regulations. Incorrect repairs can result
in unforeseen danger for the user, for which the manufacturer cannot
be held responsible. Therefore repairs should only be undertaken by a
competent technician, familiar and trained for this product.
In respect of the environment, this water softener should be disposed
of in accordance with Waste Electrical and Electronic Equipment
requirements. Refer to national/local laws and codes for correct
recycling of this water softener.
OPERATING CONDITIONS & REQUIREMENTS
Page 4
OPERATING PRESSURE: min. 1,4 / max. 8,3 bar
this system is configured to perform optimally at an operating
pressure of 3 bar (±½ bar); in case of a lower or higher
operating pressure the performance may be affected
negatively!
check water pressure regularly.
take into account that night time water pressure may be
considerably higher than day time water pressure.
install a pressure reducer ahead of the water softener if
necessary.
OPERATING TEMPERATURE: min. 2 / max. 48 °C
do not install the water softener in an environment where
high ambient temperatures (e.g. unvented boiler house) or
freezing temperatures can occur.
the water softener cannot be exposed to outdoor elements,
such as direct sunlight or atmospheric precipitation.
do not install the water softener too close to a water heater;
keep at least 3 m of piping between the outlet of the water
softener and the inlet of the water heater; water heaters can
sometimes transmit heat back down the cold pipe into the
control valve; always install a check valve at the outlet of the
water softener.
ELECTRICAL CONNECTION: 230V-50Hz
this water softener only works on 24VAC; it is equipped with a
230/24V-50Hz transformer; always use it in combination with
the supplied transformer.
make sure to plug the transformer into a power outlet, which
is installed in a dry location, with the proper rating and overcurrent protection.
INSTALLATION
Page 5
Picture 1&10
To facilitate the installation, you may want to remove the
salt lid and main cover from the water softener.
INLET & OUTLET
Check the water pressure at the place of installation of
the water softener; it should never exceed 8,3 bar.
In case of high concentration of impurities in the inlet
water, we recommend the installation of a sediment filter,
ahead of the water softener.
We strongly recommend the use of flexible hoses to
connect the water softener to the water distribution
system; use hoses with a large diameter in order to limit
the pressure loss.
If the water softener is not equipped with the factory
bypass (optional), we strongly recommend to install a 3valve bypass system (not included with this product!) to
isolate the water softener from the water distribution
system in case of repairs. It allows to turn off the water to
the water softener, while maintaining (untreated) water
supply to the user.
WITH FACTORY BYPASS (optional)
Picture 2
= mains water supply (untreated water)
= inlet of water softener (untreated water)
= outlet of water softener (treated water)
= house/application (treated water)
1. Screw the factory bypass onto the elbow connections of
the water softener (&); make sure to install the
gasket seals. Tighten the nuts firmly by hand.
2. Screw the connection kit with nuts onto the factory
bypass (&); make sure to install the gasket seals.
Tighten the nuts firmly by hand.
3. Connect the mains water supply to the adaptor on the
inlet port of the factory bypass ().
4. Connect the house/application to the adaptor on the
outlet port of the factory bypass ().
WITH 3-VALVE BYPASS SYSTEM (not included)
Picture 3
= mains water supply (untreated water)
= inlet of water softener (untreated water)
= outlet of water softener (treated water)
= house/application (treated water)
1. Install the 3-valve bypass system.
2. Screw the connection kit with nuts onto the elbow
connections of the water softener (&); make sure to
install the gasket seals. Tighten the nuts firmly by hand.
3. Connect the 3-valve bypass system to the adaptors on
the in () and out () elbow connections.
4. Connect the mains water supply to the inlet of the 3-
valve bypass system ().
5. Connect the house/application to the outlet of the 3-
valve bypass system ().
DRAIN
We recommend the use of a stand pipe with air trap.
To prevent backflow from the sewerage system into the
water softener, always make sure to have an air gap
between the end of the drain hose and the sewerage
system itself; as a rule of thumb, the air gap should be
minimum 2x the diameter of the drain hose.
Always use separate drain hoses for the control valve
(evacuation of rinse water) and the softener cabinet's
overflow.
Lay-out the drain hoses in such a way that pressure loss
is minimized; avoid kinks and unnecessary elevations.
Make sure that the sewerage system is suitable for the
rinse water flow rate of the water softener.
Picture 4
1. Connect a 13 mm hose to the drain solenoid of the
control valve (); secure it by means of a clamp.
2. Run the drain hose to the sewerage system and connect
it to the stand pipe assuring sufficient air gap. This drain
line operates under pressure, so it may be installed
higher than the water softener.
3. Connect a 13 mm hose to the cabinet overflow elbow,
located at the back side of the water softener; secure it
by means of a clamp.
4. Run the drain hose to the sewerage system and connect
it to the stand pipe assuring sufficient air gap. This drain
line does NOT operate under pressure, so it may NOT be
installed higher than the water softener.
ELECTRICAL
Picture 5
1. Plug the transformers output lead into the socket on the
water softeners power cord; secure it by means of the
TwistLock clamp.
2. Plug the transformer into an electrical outlet.
START-UP
Page 6
PRESSURIZING
1. Make sure the bypass system is in 'bypass' position.
2. Make sure the electronic controller of the water
softener is in service mode.
3. Open the mains water supply.
4. Open a cold treated water faucet nearby the water
softener and let the water run for a few minutes until all
air is purged and all foreign material that may have
resulted from the installation is washed out; close the
tap.
5. Gently pressurize the water softener, by putting it into
service:
factory bypass:
1. open the 'outlet' valve;
2. slowly open the 'inlet' valve.
3-valve bypass:
1. close the 'bypass' valve;
2. open the 'outlet' valve;
3. slowly open the 'inlet' valve.
6. After 2-3 minutes, open a cold treated water faucet
nearby the water softener and let the water run for a
few minutes until all air is purged from the installation
and the resin bed is rinsed (it is normal for the rinse
water to show some discoloration!); close the tap.
7. Check the water softener and all hydraulic connections
for leaks.
After the first regenerations of the water softener,
some slight discoloration of the treated water might occur.
This is totally harmless and will disappear rapidly!
BRINE CABINET
8. Add water conditioner salt to the brine cabinet.
ELECTRONIC CONTROL PANEL
9. Program the electronic controller.
ADJUSTMENT RESIDUAL HARDNESS
WITH FACTORY BYPASS (optional)
Picture 6
10. Adjust the residual hardness of the water that leaves the
softener, by means of the adjusting screw, incorporated
in the ‘outlet’ valve of the factory bypass:
to raise the residual hardness: turn the screw
counter clockwise; usually 1 turn corresponds to a
residual hardness of ±4 °f (±2 °d), 2 turns to ±8 °f (±4
°d).
to reduce the residual hardness: turn the screw
clockwise.
PERFORM REGENERATION
11. Manually initiate a regeneration, by pressing the scroll
button repeatedly until the display shows:
12. Leave the water softener in this position; the countdown
timer will countdown to 0 sec and start a regeneration.
Regen in 10 sec
ELECTRONIC CONTROL PANEL
Page 7
Picture 7
symbol
button
function
SCROLL
to advance to the next
parameter
UP
to increase the value of the
parameter
DOWN
to decrease the value of the
parameter
POWER-UP
After power-up, the display will show the installed software
version for 5 seconds, f.e.:
Afterwards it will automatically revert back to the service
display.
POWER FAILURE
In the event of a power failure, the program will remain
stored in the NOVRAM® during an undefined period, while
an incorporated SuperCap (capacitor) will maintain the
correct time of day during a period of several hours;
consequently, in case of prolonged power failure, the time
of day might not be maintained; if this happens, the time of
day will be reset to 8:00 when the power supply is reestablished, while the indication will flash, indicating that
the time of day needs to be set.
When the power failure occurs during the execution of an
automatic regeneration, the control valve will immediately
return to the service position; when the power supply is reestablished, the control valve will stay in the service position
for 60 sec. and restart a complete regeneration from the
beginning.
TIMER FAILURE
In the event of a timer failure, the display will show the
message:
In such case, entering one of the programming levels can
possibly solve the problem. However if the problem persists,
professional service is required.
SERVICE MODE
In service mode the display shows the time of day, the
remaining capacity and the water usage indicator:
REGENERATION MODE
In regeneration mode the display shows the actual
regeneration cycle and, where relevant, the total remaining
regeneration time and remaining cycle time:
The control valve can be reset to service mode at any time
by pressing the scroll button, as such manually advancing
it through the regeneration cycles.
CHECKING THE FLOW METER
In case of water usage, the remaining capacity counter in the
service display will count back per unit, i.e. per litre. This way
the correct functioning of the water meter can be verified.
MANUAL REGENERATION
It is possible to manually initiate a regeneration.
1. Press the scroll
button repeatedly until the display
shows:
If the control valve is left in this position, the
countdown timer will countdown to 0 sec and start a
regeneration.
To cancel this mode, press the scroll
button
before the countdown timer has reached 0 sec; the
control valve will return to the service mode.
2. Press the scroll
button again if you want to manually
advance the control valve to the next regeneration cycle.
EZ3P5e EZ3PB r11
8:00 1000L -
Service Required
20:51 1000L -
BRINE FILL
REGEN PENDING
Rgn:XXX CycY:ZZZ
Regen in 10 sec
ELECTRONIC CONTROL PANEL
Page 8
PROGRAMMING INSTRUCTIONS -
INSTALLER
Before entering the programming mode, make sure
that the control valve is in the service mode.
1. Press the scroll
button; the display will show:
Press the up
or down button to set the
language.
2. Press the scroll
button again; the display will show:
Press the up
or down button to set the time of
day.
3. Press the scroll
button again; the display will show:
Press the up
or down button to set the
hardness of the incoming untreated water.
Language:English
Set time: 20:51
Set hardn.: XX°f
ELECTRONIC CONTROL PANEL
Page 9
PROGRAMMING INSTRUCTIONS -
PARAMETER SET LEVEL
All configuration parameters on this water softener
have been pre-programmed in the factory, to offer optimal
performance in a wide range of applications and situations.
See table at the end of this manual for default factory
parameter settings. Nevertheless it may be necessary or
desirable to change any of these parameters, to further
optimize the water softeners performance or to adapt it to
the specific requirements of the installation.
Before entering the programming mode, make sure
that the control valve is in the service mode.
1. Press the scroll
button and hold it for 5 sec until the
display shows:
2. Within 10 sec, press the up
button; the display will
show:
Press the up
or down button to set the
hardness unit. Make sure to also adjust/convert the
exchange capacity!
3. Press the scroll
button again; the display will show:
Press the up
or down button to set the
exchange capacity per litre of resin.
4. Press the scroll
button again; the display will show:
Press the up
or down button to set the volume
of resin.
5. Press the scroll
button again; the display will show:
Press the up
or down button to set the number
of days between regenerations.
6. Press the scroll
button again; the display will show:
Press the up
or down button to set the length
of the regeneration cycle.
Press the scroll
button again to advance to the
next regeneration cycle.
Eco
Eco+
Refill
Cycle 1
Cycle 1
Brine preparation
Cycle 2
Cycle 2
Backwash
/
Cycle 3
Brine draw/slow rinse
Cycle 3
Cycle 4
Fast rinse
/
Cycle 5
7. Press the scroll
button again; the display will show:
Press the up
or down button to set the type of
water meter sensor.
8. Press the scroll
button again; the display will show:
Press the up
or down button to set the
regeneration mode:
Dlyd/Immd: when the remaining capacity equals
the reserve capacity, a delayed regeneration is
started at the programmed time of regeneration;
however when the remaining capacity equals 0
before the programmed time of regeneration is
reached, an immediate regeneration is started.
Immediate: when the remaining capacity equals
0, an immediate regeneration is started.
Delayed: when the remaining capacity equals
the reserve capacity, a delayed regeneration is
started.
9. Press the scroll
button again; the display will show
(only when the regeneration mode was set to 'Delayed'
or 'Dlyd/Immd'):
Press the up
or down button to set the time of
regeneration.
10. Press the scroll
button again; the display will show
(only when the regeneration mode was set to 'Dlyd' or
'Dlyd/Immd'):
Press the up
or down button to set the reserve
capacity:
Variable: the reserve capacity is calculated
automatically, based on the registered daily
water usage.
Fxd: press the scroll
button again and press
the up or down button to set the reserve
capacity to a fixed amount.
11. Press the scroll
button again; the display will show:
Press the up
or down button to save the
program into the NOVRAM® and exit the
programming level.
Cycle 1: XXX sec
System Check
Regen @ 2:00
Exit
HardUnit:°f
Resin:XXX liters
ExCap:5.1°f M3/L
Override:10 days
Regen:Dlyd/Immd
Rsrv Variable
MTR:SNAP SENSOR
ELECTRONIC CONTROL PANEL
Page 10
DIAGNOSTICS LEVEL
Besides of all programming parameters, a series of operating
parameters can be consulted in the diagnostics level;
particularly during a service intervention, these parameters
can be helpful to identify the cause of a problem or
malfunction
Before entering the programming mode, make sure
that the control valve is in the service mode.
Accessing the Diagnostics level
1. Press the scroll
button and hold it for 5 sec until the
display shows:
2. Within 10 sec, press the down
button; the display will
show:
You are now in the Diagnostics level.
Press the scroll
button to advance to the next
diagnostics parameter.
Available diagnostics parameters
Regen X days ago: display shows number of days since
last regeneration of the system.
In Srvc: display shows total number of days that the
system is in service.
# of Regens: display shows the total number of
regenerations that have taken place since installation.
TotVol: display shows the total water usage through the
system since installation.
LastRgn@: display shows the water usage at the
moment of the last regeneration.
InstFlow: display shows the instantaneous flow rate.
AvgVol: display shows the average daily water usage.
Capacity: display shows the calculated volume of
softened water between regenerations.
Hardness: display shows the setting of the water
hardness.
Rsrv: display shows the setting of the reserve capacity.
Regen @: display shows the setting of the time of
regeneration.
Override: display shows the setting of the number of
days between regenerations.
Cycle X: display shows the setting of the length of the
corresponding regeneration cycle.
Units: display shows that control is programmed for
Metric units.
MTR: display shows the setting of the water meter.
Capacity: display shows that control is programmed for
hardness setting.
Regen: display shows the setting of the regeneration
mode.
Valve Type: display shows the valve type setting.
MP Resets: display shows the number of resets of the
microprocessor (for factory purpose only).
Memory Reset: display shows the number of corrupt
memory start-ups (for factory purpose only).
EZ3P5e EZ3PB r11: display shows the software version
(for factory purpose only).
CapToUse: display shows the remaining capacity.
Fill: display shows the refill time used for the previous
regeneration.
Reserve: display shows the calculated reserve capacity.
Exiting the Diagnostics level
1. If no button is pressed within 5 minutes, the
microprocessor will exit the diagnostics level end return
to the service mode.
2. Press the scroll
button repeatedly until the display
shows:
Press the up
or down button to exit the
diagnostics level.
Exit
Regen XXdays ago
System Check
MAINTENANCE
Page 11
ROUTINE CHECKS
Regularly the user should perform a basic check to verify if
the water softener is functioning correctly, on the basis of
the following control points:
1. Check settings of electronic control panel.
2. Measure water hardness before/after water softener.
3. Check drain line from control valve; there shouldn’t be
any water flow (unless water softener is in
regeneration).
4. Check drain line from cabinet overflow; there shouldn’t
be any water flow.
5. Check water softener and surrounding area; there
shouldn’t be any water leakages.
BYPASSING THE WATER SOFTENER
Occasionally it may be necessary to put the water softener
hydraulically in bypass, i.e. to isolate it from the water
distribution system; f.e.:
in case of an urgent technical problem;
when it is not necessary to supply treated water to the
house/application (refill swimming pool, irrigation,...).
WITH FACTORY BYPASS (optional)
Picture 8.a
SERVICE POSITION
= inlet valve to water softener is OPEN
= outlet valve from water softener is OPEN
Picture 8.b
BYPASS POSITION
= inlet valve to water softener is CLOSED
= outlet valve from water softener is CLOSED
Picture 8.c
MAINTENANCE POSITION
= inlet valve to water softener is OPEN
= outlet valve from water softener is CLOSED
WITH 3-VALVE BYPASS SYSTEM (not included)
Picture 9.a
SERVICE POSITION
= bypass valve is CLOSED
= inlet valve to water softener is OPEN
= outlet valve from water softener is OPEN
Picture 9.b
BYPASS POSITION
= bypass valve is OPEN
= inlet valve to water softener is CLOSED
= outlet valve from water softener is CLOSED
Picture 9.c
MAINTENANCE POSITION
= bypass valve is OPEN
= inlet valve to water softener is OPEN
= outlet valve from water softener is CLOSED
WATER CONDITIONER SALT
Picture 10
The water softener needs 'brine' for its periodic
regenerations. This brine solution is made from water, that
is automatically dosed in the brine cabinet by the control
valve, and water conditioner salt. The user should make sure
that the brine cabinet is always kept full of water conditioner
salt. Therefore he should periodically check the salt level
inside the brine cabinet and refill it if necessary. The salt lid
can be removed completely to facilitate refilling.
Ideally the level of water conditioner salt inside the brine
cabinet is kept between 1/3 and 2/3. A lower level of water
conditioner salt can cause insufficient brine saturation,
resulting in a loss of softening capacity. A higher level of
water conditioner salt can cause salt bridging (hard crust or
salt bridges in the brine cabinet). When you suspect salt
bridging:
carefully pound on the outside of the brine cabinet to
break loose the salt bridges;
using a broom (or like blunt tool) carefully push the salt
to break it apart;
pour warm water over the top of the salt to dissolve it.
BRINE CABINET
To retain the appearance of the water softener, simply wipe
it with a damp cloth or clean it with a mild soap solution;
never use abrasive cleaners, ammonia or solvents.
RESIN CLEANER
Other contaminants (f.e. iron) present in the feed water can
cause the resin bed to foul up, resulting in a loss of softening
capacity. An approved resin cleaner can be used periodically
to thoroughly clean the resin bed.
SANITIZING THE WATER SOFTENER
This water softener is manufactured from premium quality
material and assembled in safe conditions to assure it is
clean and sanitary. If installed and serviced correctly, this
water softener will not infect or contaminate your water
supply. However, as in any 'device' plumbed-in in your water
distribution system, a proliferation of bacteria is possible,
especially in case of 'stagnant water'. Therefore this water
softener is equipped with a 'days override' feature, that will
automatically rinse the resin bed periodically, even in case of
low or absence of water usage.
If the power supply to the water softener is disconnected for
a longer period of time, we recommend, when the power
supply is re-established, to manually initiate a complete
regeneration.
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