Eureka Forbes Aquaguard select AWS C3500 DX User manual

AWS
C3500 DX
USER MANUAL - AWS C3500 DX
1. Read all instructions carefully before operation. 2. Avoid pinched o-rings during installation by applying (provided with
installation kit) NSF certified lubricant to all seals. 3. This system is not intended for treating water that is microbiologically
unsafe or of unknown quality without adequate disinfection before or after the system.

Technical Specifications
Softener System Dimensions
Unpack & Inspect Your Water Softener
Pre-installation Instructions
Installation Instructions
Water Bypass
IntelliMix Technology
Programming Guide
Start-up Instructions
Maintenance Instructions
Warranty Terms and Conditions
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DESCRIPTION PAGE NO.
TABLE OF CONTENTS

TECHNICAL SPECIFICATIONS
Model Name AWS C3500 DX
Dimension (HxDxW) mm 129x435x335
Technology Ion-Exchange Technology
Resin Volume (L) 35
Multiport Valve Automatic
Regeneration Type Automatic/Up Flow
Input Power Supply 100-200VAC/50Hz
Salt Storage Capacity (Kg) 60
Max Flow Rate (LPH) 2250
Hardness (Max.) (Mg/L) 2050
Iron (Max.) (Mg/L) <1
Turbidity (Max.) (NTU) 1
Working Temperature (°C) 5-49
Min-Max Working Pressure (Kg/cm2) 1.5-3
Total Unit Weight (Kg) 50
1

SOFTENER SYSTEM DIMENSIONS
2
C3500 DX TANK
335mm
435mm
467mm

ACCESSORIES CONTENTS:
Straight Adaptor
(C/W O-ring)
1× Bypass Tool
AC/DC Adaptor
1× Grease Packet
1× Manual
IF THERE IS A SEVERE LOSS IN WATER PRESSURE WHEN THE SOFTENER UNIT
IS INITIALLY PLACED IN SERVICE, THE SOFTENER TANK MAY HAVE BEEN LAID
ON ITS SIDE DURING TRANSIT. IF THIS OCCURS, BACKWASH THE SOFTENER
TO ‘RECLASSIFY’ THE MEDIA.
UNPACK & INSPECT YOUR WATER SOFTENER
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AWS
C3500 DX
USER MANUAL - AWS C3500 DX
1. Read all instructions carefully before operation. 2. Avoid pinched o-rings during installation by applying (provided with
installation kit) NSF certified lubricant to all seals. 3. This system is not intended for treating water that is microbiologically
unsafe or of unknown quality without adequate disinfection before or after the system.

INSTALLATION INSTRUCTIONS
PRE-INSTALLATION INSTRUCTIONS
Contact Eureka Forbes Authorised agent to have a complete water analysis and check your water hardness
on your water supplier, this will keep your water softener in proper working.
DETERMINE THE CORRECT LOCATION OF THE AWS C3500 DX WATER SOFTENER.
Select the location of your softener with care. Review the various conditions below to
determine a proper location:
1. Locate as close as possible to the water supply source.
2.
3.
4.
Softener should be located in the supply line before the water heater. Temperatures above
120°F damage softeners.
5.
Do not install the softener in a location where freezing temperatures occur. Freezing may
cause permanent damage to this type of equipment and will void the factory warranty.
6. Additional plumbing is required if your water source is a community water supply, a public water supply
or you wish to bypass water used for a geothermal heat pump, lawn sprinkling, out-buildings or
high demand applications. (Refer Fig. 1)
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Cold Soft Water
Hot Soft Water
Ground
Strap
Ground
Strap
Raw Water
To Outdoors
Water Heater Softener Filter
Water Meter
Fig. 1
Drain
Drain
Electrical Panel
Hard
Filtered
Water

TOOLS REQUIRED FOR INSTALLATION:
Two adjustable wrenches.
5/8” OD drain line is needed for the drain.
WATER BYPASS
In case of an emergency such as softener maintenance, you can isolate your water softener from
the water supply using the bypass valve located at the back of the control. In normal operation
the bypass is open with the ON/OFF knobs in line with the INLET and OUTLET pipes. To isolate the
softener, simply rotate the knobs to the BYPASS position.
You can use your water related fixtures and appliances as the water supply is bypassing the
softener. However, the water you use will be hard. To resume treated service, open the bypass valve
by rotating the knobs to SERVICE position.
Please make sure bypass knobs are completely open otherwise the unsoftened water
could bypass through the valve.
SERVICE BYPASS
BYPASS NOT ALLOWED POSITION
Sample
Connection
Sample
Connection
Please make sure bypass knobs are completely
open otherwise the unsoftened water could
bypass through the valve.
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INTELLIMIX TECHNOLOGY
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1. Rotate the IntelliMix nut in a clockwise
direction. The bigger rotation angle, the higher
water hardness in product valve.
2. Rotate the IntelliMix nut anti clockwise to
close it completely.
If the unit is installed in a water supply with less input hardness, the output water will be too soft. To
avoid this, a unique IntelliMix feature has been provided. By adjusting this IntelliMix nut clockwise,
hardness of the output water can be increased.

PROGRAMMING GUIDE
FAMILIARISE WITH KEY PAD CONFIGURATION
MAIN MENU DISPLAY
MENU CONFIRM UP DOWN
MENU
CONFIRM
UP DOWN
This function enters the basic set up information required at the time of installation.
This function is to press and select one item to change and accepts the values if
changed.
This function is to scroll up or down the programming items and increase or decrease
the values of the settings while in the programming mode.
System Standby Display:
Current Time, Last Regen. Time, Regen. Mode
will be displayed on the screen.
01:34
Last Regen.: Oct. 11, 2017
Mode: Meter Delayed
Capacity
Remaining
Flow
Rate
FAMILIARISE WITH DISPLAY ICON
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ADVANCED SETTINGS DISPLAY
This value is water hardness of the raw water supply. It is used to calculate the system capacity.
Meter
Imme
System Regenerate Based On
Automatic Calculation:
Regeneration
Time
Data
Entry
Regeneration
Mode
Regeneration
Cycle
Restore
Defaults
Regeneration
Days
System Regenerate Based On
Manual Settings:
Water
Capacity
Regeneration
Time
Regeneration
Mode
Regeneration
Cycle
Regeneration
Days
Restore
Defaults
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When you enter system information setting, system key information can be viewed in this page.
System Information
Total Regenerations
0 Times
System Information
Total Treated Water
0 Gallons
System Information
Regeneration Time
02:00 AM
Water Capacity
01050 Gallons
Capacity Remaining
01050 Gallons
Brine Time
50 Minutes
Backwash Time
15 Minutes
Rinse Time
10 Minutes
NOTE: In ‘Total Regenerations’, ‘Total Treated Water’ and ‘Peak Flow Rate’ page, press
and hold ‘CONFIRM’ button for 3 seconds will reset the value to zero.
SYSTEM INFORMATION PAGE
OPERATION DURING A POWER FAILURE
In the event of a power failure, the valve will keep track of the time and day. The programmed settings
are stored in a non-volatile memory and will not be lost during a power failure. If power fails while the
unit is in regeneration, the valve will finish regeneration from the point it is as at once power is restored.
If the valve misses a scheduled regeneration due to a power failure, it will queue a regeneration at the
next regeneration time once power is restored.
System Information
System Information
System Information
System Information
System Information
System Information
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START-UP INSTRUCTIONS
2. Plug the power adaptor into 220-240 VAC supply. Connect the power cord to the valve.
3. When power is supplied to the control, the screen will may display ‘Advancing to Service Wait
4. Manually step the valve to the Backwash position. If screen is locked, the screen will display Key
Locked, Press and Hold ‘MENU’ key for 3 Seconds to Unlock. Follow the instructions below to step
the valve to Backwash position. As the valve arrives at Backwash position, unplug the power and
let valve stay at Backwash position.
4.1 Press and hold MENU key for
3s to unlock.
4.3 Press CONFIRM key again to
let the option flash.
4.2 Press and hold CONFIRM
key for 3s to advance to
MANUAL Regen menu.
4.4 Press DOWN key to advance to
IMMEDIATE option.
Last Regen. : Oct. 11, 2017
Mode : Meter Delayed
Capacity
Remaining
Flow
Rate
Advancing to Service
Wait Please
01:34
Last Regen. : Oct. 11, 2017
Mode : Meter Delayed
Capacity
Remaining
Flow
Rate
Key Locked, Press and
Hold ‘MENU’ Key for 3
Seconds to Unlock
01:34
Last Regen. : Oct. 11, 2017
Mode : Meter Delayed
Capacity
Remaining
Flow
Rate
Manual Regen.
DELAY
IMMEDIATE
1. Add two liters of water into the cabinet at the time of installation. This is for the unit to achieve
proper capacity in the first time of regeneration.
Please’ while it finds the service position
01:34
Last Regen. : Oct. 11, 2017
Mode : Meter Delayed
Capacity
Remaining
Flow
Rate
Manual Regen.
DELAY
IMMEDIATE
01:34
Last Regen. : Oct. 11, 2017
Mode : Meter Delayed
Capacity
Remaining
Flow
Rate
Manual Regen.
DELAY
IMMEDIATE
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4.5 Press CONFIRM key to confirm
and press MENU key to have an
manual regeneration.
5. Slowly open the inlet knob on the bypass valve with the bypass tool supplied and allow water
to enter the unit. Allow all air to escape from the unit before turning the bypass fully open. Then
allow water to run to drain for 3-4 minutes or until all media fines are washed out of the conditioner
indicated by clear water in the drain hose. Open a cold soft water tap nearby and let water run a few
minutes or until the system is free of foreign material resulting from the plumbing work. Close the
water tap when water runs clean.
6. Press any button to advance to the BRINE position, when it arrives, press any key to skip the BRINE
run for 3-4 minutes or until the water is clear.
cycle, Press any button to advance to the RINSE position. Check the drain line flow. Allow the water to
Press any button to advance to the REFILL position. Check that the valve is filling water into the brine7.
brine solution for the next regeneration.
tank. Allow the valve to refill for the full amount of time as displayed on the screen to insure a
8. The valve will automatically advance to the SERVICE position. Open the outlet knob on the bypass
with the bypass tool supplied. With the bypass open, open the nearest treated water faucet and allow
the water to run until clear.
9. Add salt into the cabinet. Put 10 kgs of crystal water softener salt
in the C3500 DX softener cabinet. The unit will automatically fill the
water to the correct level when it regenerates.
10. Program unit.
CAUTION LIQUID BRINE WILL IRRITATE EYES, SKIN AND OPEN WOUNDS - GENTLY WASH EXPOSED
AREA WITH FRESH WATER. KEEP CHILDREN AWAY FROM YOUR WATER CONDITIONER.
01:34
Last Regen. : Oct. 11, 2017
Mode : Meter Delayed
Capacity
Remaining
Flow
Rate
Manual Regen.
DELAY
IMMEDIATE
NOTE: If you select ‘DELAY’ option, the valve will start to regenerate at the closest day's
REGEN. TIME (default is 02:00)
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MAINTENANCE INSTRUCTIONS
CHECK THE SALT LEVEL
Adequately check the salt level. Remove the lid from the cabinet or brine tank, make sure salt level is
always above the brine level.
YOU SHOULD NOT BE ABLE TO SEE WATER IN THE CABINET OR BRINE
TANK.
BRIDGING
Humidity or the wrong type of salt may create a cavity between the water and the salt. This action,
known as ‘bridging’, prevents the brine solution from being made, leading to your water supply being
hard.
If you suspect salt bridging, carefully pound on the outside of the plastic cabinet or pour some warm
water over the salt to break up the bridge. This should always be followed up by allowing the unit to use
up any remaining salt and then thoroughly cleaning out the cabinet. Allow four hours to produce a brine
solution, then manually regenerate the softener.
ADDING SALT
Use only clean salt labeled for water conditioner use, such as crystal, pellet, nugget, button or solar. The
use of rock salt is discouraged because it contains insoluble silt and sand which build up in the brine
tank and can cause problems with the system’s operation. Add the salt directly to the tank, filling no
higher than the top of the brine well.
Figure 5
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Don’t pour/dispose the brine solution on lawns, septic tanks, or use for watering plants.
Dispose properly in a safe place / intended to dispose in drain line.
BRINE SOLUTION DISPOSAL

Aquaguard Select Water Softener
WARRANTY TERMS AND CONDITIONS
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Aquaguard Select Water Softener
Add Salt
The system needs salts to regenerate its capacity. Please check the salt storage in time during usage
and keep unmelted salt in the brine tank. Open the system's slide and put salt into the tank equably.
It is recommended you add 3-4 kg salt in each exhausted cycle. Don’t pour/dispose the brine solution
on lawns, septic tanks, or use to water plants. Dispose properly in a safe place / intended
disposed drain line.
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