KENT Sterling Star Under-The-Counter RO Water Purifier Instruction Manual

KENT Sterling Star Under-The-Counter RO Water Purifier

• Very high purification capacity 25 L/hr
• 6 Lin-built storage tank
• Smart space-saving design
• Helps maintain the decor of your kitchen

Dear Customer,
Welcome to the world of the KENT, leaders of water purification industry in India. With a KENT product, you have all the reasons to smile, because at KENT we take pride in the quality and laboratory-tested performance of our products.
We are confident that your decision to own KENT Sterling Star Mineral RO™ Water Purifier will go a long way in serving you with pure and mineral enriched drinking water, thus keeping you and your family in good health. We assure you that you will be satisfied with its trouble-free performance and quality which comes without any compromise.
This manual is an effort towards familiarising you with the operation and maintenance of KENT Sterling Star Mineral RO™ Water Purifier. Before operating the unit, please read it thoroughly and retain it for future reference. do not hesitate to contact your nearest KENT dealer or branch.
Best Wishes,
KENT RO SYSTEMS LTD.

KENT TECHNOLOGY – A Breakthrough in Water Purification*

KENT proudly presents KENT Sterling Star Mineral RO™ Water Purifier – a new and advanced domestic water purifier that provides pure & healthy drinking water.

The futuristic KENT Sterling Star Mineral RO™ Water Purifier  developed at KENT Laboratory broadly comprises of state-of-the-art RO+UV+ UF+ TDS+Digital Display of minerals and purity Control System. The initial purification by RO membrane having porosity as fine as 0.0001 microns reduces even the dissolved impurities [hard salts, heavy metals, etc.I. Double purification by UV membrane gives additional protection from deadly harmful micro-organisms. Moreover, the patented TDS Control System intelligently retains essential natural minerals in purified water, thus taking total care of your health and wellbeing.

Salient Features of KENT Sterling Star Mineral RO™ Water Purifier

1. Compact single cabinet design for under-the-counter placement.
2. Purification by RO+UV+UF+ TDS control makes water pure.
3. Retains essential natural minerals in water with TDS Control Valve.
4. Real-time monitoring and display of purity on a digital screen.
5. 6 liters inbuilt hydrostatic storage tank makes purified water available on demand.
6. Fully automatic operation with auto-on/off.
7. Suitable for purification of brackish/tap water/municipal corporation water supply.
8. Tamper-proof RO Purifier.
9. Membrane fused inside membrane housing.
10. Ideal for under-the-counter as well as side-by-side placement adjacent to refrigerator.
11. Computer-controlled operations for enhanced purity and long life.
12. Very High Purification capacity of 25 L/hr

Items in the Box

1. KENT Sterling Star Mineral RO™ Water Purifier: 1N
2. 3-Way Connector: 1N
3. S.S. Ball Valve: 1N
4. Faucet: 1N
5. Warranty Card: 1N
6. Food Grade Pipe 0.635 cm [Blue): 2.5M
7. Food Grade Pipe 0.635 cm [White]2.5M
8. Food Grade Pipe 0.952 cm [white)2.5M

*Tested & certified by TUY-SUD South Asia (Pl Ltd.

Important Instructions

Reverse Osmosis Process

The reverse Osmosis process, also known as hyper filtration is the finest filtration process known till date. It ensures the reduction of particles as small as ions from a solution. The reverse Osmosis process uses a semi- permeable membrane to reduce salts from potable/ brackish water. In Reverse Osmosis, water pressure is applied to the inlet impure water resulting in squeezing of pure water from the concentrated end of the membrane towards the diluted end. Dissolved salts present in water as charged ions, get repelled by the RO membrane and are not allowed to pass through. Similarly, bacteria and germs are also blocked by the ultra fine pores of the RO membrane. These rejected impurities suspended on the concentrated end of the membrane are washed away in a stream of waste water, preventing the membrane from clogging.

UV Process

UV light has a shorter wavelength [higher energy] than visible light. It is called ultra-violet because it is just beyond violet light in the light spectrum. Technically, ultra-violet light is defined to be any wavelength of light, which is shorter than 400 nanometers. UV rays, which penetrate into the micro-organisms, are absorbed by the DNA of the pathogen in the water. The DNA is altered in such a way that the pathogen cannot reproduce itself. Thus, it is essentially killed and cannot cause infection. This process of DNA modification is called inactivation.

Water Flow Diagram

Electrical Circuit Diagram

AREPARTCODE: TEM DESCRIPTION

1. 20036: HIGH-PRESSURE SWITCH
2. 21869: LED DISPLAY
3. 20441l: TDSSENSOR
4. 21870: COMPUTER CONTROL BALLAST
5. 20028: SOLENOID VALVE
6. 20541: UV CHAMBER
7. 20540: UV LAMP
8. 20035:LOW-PRESSURE SWITCH (LPS)
9. 20005: BOOSTER PUMP
10. 20059: PUMP HEAD
11. 20016: SMPS

Sterling Star Operations

Normal Running Condition
Under normal runing conditions and without any fault, the users will be greeted with a screen as shown in figure

Mineral Content – Good
If the TDS level in the purified water is within the permissible range, the indicator would be in the green Zone i.e Good ** Mineral Content – High
If the TDS level in the purified water is more than the permissible range, the indicator would be in Red Zone. i.e High. Mineral Content – Low
If the TDS level in the purified water is less than the permissible range, the indicator would be in Yellow Zone. i.e Low No Input Water**
n case of no water input, Kent logo will be blinking, which means no water input

TDS Sensor Fault
HIGH, GOOD & LOW TDS bands will be blinking Service call number will be continuous ON. No Buzzer Sound for TDS Sensor Fault UV Lamp Open/ Not present
Failure and Call Service Icon will be ON Continuous. The buzzer will beep twice at an interval of 9 Secs for 50 cycles. After 50 cycles buzzer will go OFF UV tube/ Inlet SV or RO Pump/ Auto Flush SV Fault
Failure and Call Service Icon will be ON Continuously.

• UV Fault:
  The buzzer will beep continuously@ 50mSec ON, 1.5sec OFF rate.

• Inlet SV or RO Pump Fault :
  The buzzer will beep continuously@ 50mSec ON, 1 Sec OFF rate.

• AFSVFault: Buzzer will beep continuously@ 50mSec ON, 0.5Sec OFF rate

Filter Replacement Pre Indication
The service call number will be continuous ON. Filter life last bar will be blinking
A buzzer will beep for 4 times at an interval of 2 seconds once for 30 seconds. This will repeat in every 2 Hrs Call service engineer for help

End of Filter Life Lock
The service call number will be continuous ON. Filter life all bars will be blinking
If the Product is in standby mode then Buzzer will turn ON continuous Call service engineer for help

Computer Controlled Operation

To ensure delivery of purer and healthier water, a microprocessor is installed in the purifier that performs the following functions:-
UV Stabilization Delay: To ensure that the UV lamp is pre-heated and is working at its optimum level before it starts disinfecting water, the computer provides a two-second delay to the UV lamp when the purifier is switched on. During this period, only the UV lamp is switched on and other electrical devices of the purifier are switched off.

Purification Delay: To ensure that the idle water lying in the internal pipes and in the UV chamber is disinfected before being passed into the storage tank, the system provides a 5-second delay when the purifier is switched on. During this time, the UV lamp kills all micro-organisms that may be in the water inside the UV chamber. After this delay, all other electrical devices such as the booster pump and solenoid valve are switched on to start the normal purification process. Alarm: To ensure delivery of purer water, KENT Sterling Star Mineral RO™ Water Purifier in-built microcontroller controls and senses various vital components and displays their status on the digital interface.

Automatic Operation

• The purifier automatically shuts off when the storage tank is full
• The purifier does not start when inlet water supply pressure falls below 0.3 kg/cm2
• The purifier automatically restarts when water level drops below the maximum
• The purifier doesn”t allow any water rejection in absence of electricity or when the tank is full

Installation Instructions

KENT Sterling Star Mineral RO™ Water Purifier is a convenient and user- friendly under-the-counter model.
Recommended Site Preparations:

• Single Phase 100-250 V AC, 50-60 Hz. supply, not more than 3 m away from the point of installation
• Raw water supply with½ inch nipple not more than 3 m away
• Drain for reject water not more than 3 m away
• Installation space as per the dimensions of the purifier
• For optimum inlet pressure, the source water tank should be at least 10 ft above the installed purifier
• Install the purifier near a sink for easy availability of the inlet and reject water lines
• The system and installation need to comply with state and local laws and regulations

Installation Procedure:

• Fix the SS ball valve to the¼ inch port of the 3-way connector as shown in the figure
• Connect the 3-way connector to the raw water supply as shown in the figure. The threaded end of the 3-way connector is fitted in-line with the raw water supply. The other end can be connected to a tap or plugged off, if not required
• Now connect one end of the white pipe 3/a”” to the SS ball valve and another end to the lower push-fit elbow fitting on the backside of the purifier labeled as Water In’
• Similarly, connect one end of the blue pipe to the fitting connector labeled as ‘Reject Water· and leave the other end in the drain
• Install the faucet on the kitchen sink or the slab. Connect one end of the white pipe¼” to the faucet and the other end to the fitting connector labeled as ‘Faucet’
• Before connecting the power supply, it is important that you perform the following functions:
  • Open the SS ball valve [Handle parallel to the ball valve] to start the flow of water into the purifier
  • Wait for 2-3 minutes to ensure that the filters are soaked in water

TDS Adjustment*

The unique TDS Controller enables customers to retain the contents of natural minerals in purified water, as per their requirements.

• Turning the screw of the valve anticlockwise results in an increased mineral content
• Turning the screw of the valve clockwise results in a decreased mineral content

Starting-up the Purifier

• Switch on the power supply
• Wait approximately for half an hour so that the storage tank is full**
• Switch off the power supply
• Drain off the storage tank by opening the faucet to remove any dust particles from the pipe and storage tank
• Close the faucet & switch on the power supply
• The purifier is ready to use

Tested & certified by TUV-SUD South Asia (Pl Ltd.
Tested & certified Flushing Time – 24 Hours.

Recommended Usage of Rejected Water

Although the rejected water has high concentration of salts, it is absolutely clean and free from impurities like chlorine, dirt, sand, etc. This rejected water usually goes down the drain, but it can be used for gardening purposes. The high concentration of salts and minerals accelerate plant growth. Rejected water can also be used for cleaning utensils, mopping, etc.

Maintenance

To ensure that the purifier operates at its best, routine maintenance must be performed. The frequency of the maintenance will greatly depend upon the raw water quality and consumption of purified water.

• The storage tank must be drained once a week
• Replace sediment filters and activated carbon filters once in 12 months or earlier if they get clogged. It is recommended to change the FRT along with the filters
• Replace RO membrane once in a year or earlier if it gets clogged
• Replace UV lamp once a year
• In the event of not using the purifier for a long time [while going for a holiday, tour, etc.I, ensure that you disconnect the power supply, turn off the raw water supply and drain out the storage tank

Replacement of spare parts are as under:

• 20010 SP In line Sediment Filter 8″
• 20009 SP lnline Carbon Filter 8″
• 20758 SP RO Membrane SHF
• 20015 SP Post Carbon Filter [Bluel
• 20003 SP Hollow Fibre Membrane [ROI
• 20020 SP FRT 300/450

Note: Filters and membranes are consumables. Their replacement time is dependent on the quality of raw water and water consumption. They are not
covered under the warranty. However, if a filter chokes within six months and a membrane within a year, it will be cleaned/repaired/replaced free of
cost. Changing the filters and system inspection is available on call. The treatment capacity of RO membrane will reduce with time due to clogging of
pores of membranes.

This reverse osmosis system contains a replaceable component critical to the efficiency of the system. Replacement of the reverse osmosis component
should be with one of identical specifications as defined by the manufacturer,M to ensure the same efficiency and contaminant reduction performance.

Important Safety Instructions

1. If the supply cord is damaged, it must be replaced by the original part in order to avoid hazards.
2. Children should be supervised to ensure that they do not play with the appliance.
3. This appliance is not intended for use by persons [including children) with reduced physical sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning the use of the appliance by a person responsible for their safety.

Warning

• Do not operate the UV-C emitter when it is removed from the appliance enclosure.
• Read the maintenance instructions before opening the appliance.
• The appliance must be disconnected from the supply before replacing the UV-C emitter.

Technical Specifications

• Product Code: 11139
• Product Generic Name: Water Purifier
• Product Colour: White
• Applications: Suitable for Brackish/Tap Water/Municipal Water Supply
• Purification Production Rate: Upto 25 l/hr
• Body Material: ABS Food Grade Plastic
• Mounting:  Under-the-counter
• Dimensions (mm):455 L x 245 (WI x 420 (HI
•  Inlet Water Pressure / Temp. (Min.): 0.3 kg/cm’/10 ° C
• Inlet Water Pressure / Temp. (Max.I: 4.0 kg/cm2/40 ° C
• Min./Max. Operating pH: 6.5-8.0
• Filter Cartridge: Sediment, Activated Carbon,      and Post Carbon
• UV Lamp Wattage: 11 W
• Life of UV Lamp: 5000 hrs. of operation
• UF Membrane: 0.01-0.1 microns
• RO Membrane: Thin Film Composite RO
• Storage Capacity: 6 Litres
• Maximum Duty Cycle:125 l/day
• Net Weight: 12.1 kg
• Booster Pump Voltage: 24VDC
• Total Power Consumption: 60 W
• Input Power Supply: Single Phase 100-250 V, AC, 50-60 Hz.
• IP Number: IPX1

Purification capacity tested for raw water having TDS level of 750 ppm at room temperature.

Testing Information

The System has been tested according to IS 10500:2012 (Standards for drinking water as per Bureau of Indian Standards] for reduction of the hazardous substances.

Read User Manual Online (PDF format)

Read User Manual Online (PDF format)  >>

Download This Manual (PDF format)

Download this manual  >>