KENT Wall Mounted RO Water Purifier User Guideon KENT Wall Mounted RO Water Purifier User Guide
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Contentshide1Welcome to KENT2KENT TECHNOLOGY A Breakthrough in Water Purification*3Salient Features4Item in the Box5Important Instructions6Reverse Osmosis Process7UV Process8Auto-flushing System9Water Flow Diagram10Electrical Circuit Diagram11UV Fail Alarm*12Filter Change Alarm*13Computer Controlled Operation*14Automatic Operation15Installation Instructions16TDS Adjustment*17Starting-up the Purifier18Maintenance19Important Safety Instructions20Warning21Technical Specifications22Testing Information23Documents / Resources23.1Related Manuals / ResourcesWelcome toKENT
At the outset, allow us to thank you for your trust in a KENT water purifier. We take pride in our reputation for product quality and industry proven performance. We are certain that your decision to ownKENT Grand+Mineral RO™ Water Purifier will go a long way towards keeping you and your family in good health. We are confident that you will be satisfied with its performance and that it will serve your need for safer and cleaner drinking water without any compromise.
This guide will help you in getting the best out of your water purifier. Please go through this booklet to familiarize yourself with its operation and maintenance.
You can look forward to years of trouble free service. In case you need any further information, contact your nearest KENT dealer or branch.
KENT RO SYSTEMS LTD.KENT TECHNOLOGY A Breakthrough in Water Purification*
PresentingKENT Grand+Mineral RO™ Water Purifier. It uses futuristic and state-of-the-art technology to provide purer and healthier drinking water.
At the heart ofKENT Grand+Mineral RO™ Water Purifier is a Reverse Osmosis membrane with capillaries as small as 0.0001 microns that reduce even dissolved impurities (salts and heavy metals) and even converts hard water to sweet and purer drinking water. TheKENT Grand+Mineral RO TM Water Purifier also allows the user to control the Total Dissolved Solids (TDS) level of purified water.
KENT is pleased to introduceZeroWaterWastage Technology™that recirculates rejected water to overhead tank with its own pump to make it a Zero Water Wastage RO. This unique technology helps you make water 100% pure, without wasting any water while retaining essential minerals.Salient Features
Salient Features of KENT Grand+ Mineral RO™ Water PurifierWater purifier with UV Disinfection in tank which keeps purified water pureZero Water Wastage**Purification by RO+UV+UF+ TDS Control+UV in Tank makes water 100% pureSuitable for purification of brackish / tap water/ Municipal Corporation Water SupplyWall mounted design, best suited for Indian homes and officesFully automatic operation, with auto-on and auto-off functionComputer controlled operations for enhanced purity and long lifeRO membrane fused inside membrane housing to prevent tamperingVertically mounted SMPS for protection from waterUse of push-fit fittings for leakage and maintenance free performanceAn aesthetically appealing designABS construction for corrosion free useInbuilt Auto-flushing system9 L storage tankHigh purification capacity of 20 L/hr.Item in the BoxKENT Grand+ Mineral RO™ Water Purifier : 1 No.3-Way Connector : 1 No.S.S. Ball Valve : 1 No.Food Grade Pipe (White) 3/8 inch : 2.5 MetersFood Grade Pipe (White) 1/4 inch : 20 MetersBulk Head Union : 1 No.Fixing Clips : 25 Nos.Tie Wire 4 inch : 4 Nos.Union Connector : 1 No.Screws & Plastic Inserts : 2 Nos. eachSticker Center Drill : 1 No.Warranty Card : 1 No.Important InstructionsAvoid exposure to direct sunlight and installation in damp areas.
Make sure that the temperature of water entering the purifier is within 10C-40C.
The rejected water can be re-circulated to overhead tank for Zero Water Wastage.
The maximum distance between the water source and the purifier should not be more than 3 meters
Do notbend or block the reject water pipe.
Do notconfine the purifier in a cabinet.
In case of not using the purifier for more than two days, kindly switch off the power supply and drain the storage tank.
To keep the storage tank clean, it should be drained once in 15 days.
Use Genuine KENT Spares for optimum performance.
Do not try to service the purifier on your own. Instead, call service technician for help.
The Reverse Osmosis process, also known as hyper filtration, is the finest filtration process known till date.
The process ensures reduction of particles as small as ions from a solution. Reverse Osmosis uses a semi-permeable membrane to reduce salts from potable/ brackish water. In Reverse Osmosis, water pressure applied to the concentrated side forces the process of osmosis into reverse. Under enough pressure, treated water is squeezed through the membrane from the concentrated side to the diluted side. Salts dissolved in water as charged ions are repelled by the RO membrane. The rejected impurities on the concentrated side of the membrane are washed away in a stream of rejected water and thus do not get accumulated as in a traditional filter.
The UV light has shorter wavelength (higher energy) than the visible light. It is called ultra-violet because it is just beyond violet light in the light spectrum. Technically, the ultra-violet light is defined to be of any wavelength of light, which is shorter than 400 nanometer.
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.
Note:The purified water stored in tank is disinfected using UV LED, which automatically switches on for 30 minutes in a two hour cycle.Auto-flushing System
The purpose of the Auto-flushing system is to help prevent scaling or fouling of the RO membrane by providing a rapid rinse which washes away impurities from the membranes surface and keeps the membrane clean. It offers the following benefits:Lowers rejected water outflowImproves TDS rejection rate i.e. increases the RO membranes efficiencyExtends the life of the RO membraneWater Flow Diagram
20630UV LEDElectrical Circuit Diagram
KENT Grand+Mineral RO™ Water Purifier has an in-built feature that sounds an audible alarm if the UV lamp malfunctions. This feature is provided to ensure purity. This UV Fail Alarm will sound as follows: Single short beeps after every two seconds. The purifier will stop its purification process in such a circumstance.
In case such an alarm is audible, call the service technician for help.Filter Change Alarm*
KENT Grand+Mineral RO™ Water Purifier has an in-built feature that sounds an audible alarm to indicate replacement time for filters. This alarm will be audible after 700 hrs of use since the last filter change (or since the time of installation).The Filter Change Alarm will sound as follows: 4 short beeps after every two seconds; for 30 seconds. The alarm will repeat after every 2 hours of use.
In case, such an alarm is audible, kindly switch off the purifier and call the service technician to replace the filters. In such a circumstance, the purifier will not function unless the filters are changed.Computer Controlled Operation*
To ensure delivery of purer and healthier water, a micro-processor 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 controller provides a two seconds delay to 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 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 UV chamber. After this delay, all other electrical devices such as booster pump and solenoid valve are switched on to start normal purification process.
Audible Alarm:The controller also controls the timing of UV Fail Alarm and the Filter Change Alarm.Automatic OperationThe purifier automatically shuts off when the storage tanks are fullThe purifier automatically flushes & cleans the RO membrane on periodic intervalsThe purifier does not start if the inlet water supply pressure is below 0.3 kg/cm2The purifier automatically restarts when water level drops below the maximumThe purifier does not allow any water rejection in absence of electricity /when tank is fullInstallation Instructions
The KENT Grand+ Mineral RO™ Water Purifier is a product of advanced technology, which ensures safe and clean drinking water. The purifier is easy and convenient to install.
Recommended Site Preparations:Single Phase 100-250 V AC, 50-60 Hz. connection not more than 3m away from the point of installation of purifierRaw water supply with ½ inch nipple not more than 3m awaySpace as per dimensions of the purifierWall plane surface for mounting two screws and holding the machineThe system and installation must comply with state and local laws and regulations
Specific Instructions:KENT Grand+ Mineral RO™ Water Purifier is a wall mountable purifier. Make sure that it is only mounted on a wall. Avoid installation on wooden and metallic standsFor optimum performance and minimum inlet pressure required, ensure that the raw water supply tank is at least 10ft above the level at which the purifier is installed
Paste the central drill sticker on wall at (3.6 Feet to 4.0 Feet from the ground) as per your convenience.Ensure that sticker is pasted straight on the wall, then drill holes as per the space provided on sticker.Now, insert the puff up with the help of a hammer.Screw in two 1 0X50 self-taping screws, 5.4 inches (138 mm) apart horizontally.Carefully hang the purifier on the wall with the help of wall-mounting slot holes provided on the back side of the purifier.
Note:If the wall is not straight or the screws are not properly drilled in an even position, it will damage your purifier. Note: Keep the device away from heat or direct sunlight.
First fix the SS ball valve (marked as no.4) to the 1 /4 inch port of the 3-way connecter (marked as no.2) as shown infigure 2.Connect the 3-way connector to the raw water supply (marked as no. 1) as shown in thefigure 3.
The 3-wayconnectorisfitted in line with the raw water supply.The other end of the 3-wayconnectorcan be connected to a tap (marked as no.3) as shown infigure 4. or can be plugged off if not required.
Step-3Now connect one end of the white pipe to the SS ball valve and another end to the upper push-fit elbow fitting to the left hand side of the purifier labelled as WATER IN, as shown infig 1.Similarly, connect one end of the white pipe to the lower elbow fitting connector in tank labelled as REJECT WATER and leave the other end in the overhead tank, as shown infig 2.
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, as shown in the figure.Wait for 2-3 minutes to ensure that the filters are soaked in water.
Step-5Connect the power supply.Installation is complete.TDS Adjustment*
A unique feature inKENT Grand+Mineral RO™ Water Purifier is the TDS control valve, which is not available in any other domestic water purifier till date.
This feature allows the user to control the content of natural minerals (TDS) in purified water.
To increase the TDS level, the user can turn the screw of the valve anticlockwise; it will result in more mineral content in treated water.
To reduce the TDS level, user can turn the screw valve clockwise, it will result in less mineral content in treated water. We recommend the TDS of the purifier to be kept at lowest but not below 50 mg/l.Starting-up the PurifierSwitch on the power supplyWait till the storage tank fully fills upSwitch off the power supplyDrain the storage tank by opening the drain plug present at the bottom of the storage tank so as to remove any dust particles present in the pipes and storage tankClose the drain plug & switch on the power supplyThe purifier is ready to useMaintenance
To ensure that the purifier operates at its optimum level, a routine maintenance must be performed. The frequency of the maintenance will greatly depend upon the raw water quality and consumption of treated water.Storage tank must be drained once in 2 weeks.
To do so, switch off the power supply, open the drain plug at the bottom of the tank & allow the water to drain. Then screw back the plug and switch on the power supplyReplace sediment, activated carbon & post carbon when the filter change alarm is audible or after every 12 months. It is recommended to change the FRT when the filters are replacedReplace the RO membrane once in a yearReplace the UV Lamp once in a YearIf you are not going to use the purifier for a long time ( in case you are on a holiday, tour or out of home), make sure that you disconnect the power supply, turn off the raw water supply and drain the storage tank
Note:The Reverse Osmosis system contains a replaceable treatment component critical for the effective reduction of total dissolved solids and that product water shall be tested periodically to verify that the system is performing properly.
Replacement of spare parts are as under:--20010
Note:Filters and membrane 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, to ensure the same efficiency and contaminant reduction performance.Important Safety InstructionsIf the supply cord is damaged.it must be replaced by the original part in order to avoid hazardChildren should be supervised to ensure that they do not play with the applianceThis 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 safetyWarningDo not operate the UV-C emitter when it is removed from the appliance enclosureRead the maintenance instructions before opening the applianceThe appliance must be disconnected from the supply before replacing the UV-C emitterTechnical SpecificationsPRODUCTKENT Grand+Product Code11099Product Generic NameWater PurifierProduct ColourWhiteApplicationsSuitable for purification of Brackish/Tap/Municipal Corporation WaterPurification Production RateUpto 20 L/hr.*Body MaterialABS Food Grade PlasticMountingWall-mountingDimensions(mm)400 (L) X 230 (W) X 540 (H)Inlet Water Pressure/Temp (Min.)0.3 kg/cm/10CInlet Water Pressure/Temp (Max.)4 kg/cm/40CMin./Max. Operating pH6.5-8.0Filter CartridgeSediment, Carbon Block Filter, UF and Post CarbonAuto-Flushing SystemYesUV Lamp Wattage11 WUV LED Wattage0.7 WLife of UV Lamp5000 hrs. of operationNet Weight8.4 kgStorage Capacity9LMaximum Duty Cycle100 L/dayMembrane TypeThin Film Composite ROBooster Pump Voltage24 V DCTotal Power Consumption60WInput Power SupplySingle Phase 100-250 V AC, 50-60 Hz.IP RatingIPX1
* Treatment capacity tested for tap 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.
E-6, 7 & 8, Sector-59, Naida, U.P.-201 309, India.
1) Khasra No. 93, Village-Bantakhedi, Tehsil-Roorkee, District-Haridwar, Uttarakhand-247 668, India.
2) A-6, Sector-87, Noida-201 305, U.P., India.
For customer complaints, contact our Customer Care Officer at:
E-6, 7 & 8, Sector-59, Naida, U.P.-201 309, India. Call: 92-789-12345
E-mail:[emailprotected]or visit us at
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