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Tip:  

Before insertion of water pipe into the faucet body, draw a line 16mm away from the end of the water 

pipe as a guide. After the water pipe is inserted, the marking line should not be visible. 

To prevent internal damage, do not force the main body while it rotates into the base. 

Note

: When cleaning the surface of the faucet, use a soft sponge. Avoid metal sponges to prevent scratches 

and damage. A faucet damaged in this manner will not be covered under the warranty. 

INSTALLATION OF WASTE WATER PIPE

Installers are advised to use the waste water clamp. 

Use a 3mm drill bit to make a small hole in the existing drain pipe and fix the waste water clamp to the hole. 

Connect one end of a flexible water hose into the waste water clamp hole. 

Align and fix the waste water clamp, connecting the 2-way waste water pipe with the small hole of the drain 

pipe. Ensure the inserted portion of the 2-way water pipe does not exceed 1.5 cm. 

Tip

: Before insertion, coat the connection of the 2-way pipe and the drain pipe with a little silica gel. 

FIXING THE SYSTEM

The reverse osmosis water purifier is not to be wall-mounted. It 

should be placed directly on the cabinet floor. Should the unit need 
to be fixed on the wall, the user must purchase a separate tripod and 

expansion screws for a secure wall-installation. 

POWER CORD CONNECTION

Connect the power adapter to the system and insert the power plug into the electric socket. 

Remove the foam from the packing box

Place the foam on the bottom of the product, as shown in the figure. 

INSTALLATION PRECAUTIONS

At the bottom of the system there is a water pump. The four screws at the base of the pump should be 

removed before the installation or an abnormal noise will sound.

Use the provided pipe plugs to fix the water pipes. All screw caps should also be used.

Use the new hose assembly provided with the appliance. 

If the system is installed correctly, you should be able to slot in and install the filters easily. If this is not so, 
do not use force the filters in. The use of force may cause permanent damage to the circuit board and filter 

microchip. This will not be covered by the warranty. 

Summary of Contents for aosbath MAX4

Page 1: ...Instruction Manual Domestic RO Water Purifier MAX4 ...

Page 2: ...ld not be higher than 38ºC 1 IMPORTANT Please read this manual carefully before using the product and store it for future reference If the user installs the water filter by themselves or does it by using the self prepared installation materials AOS Bath will not be liable for any adverse effects on the normal operation and service performance of the system The maintenance of this appliance require...

Page 3: ... pressure 0 4 0 8 MPa Inlet water temperature 5 38ºC Executive standard Q 320124 AONJ 043 2018 A O Smith integrated reverse osmosis water purifier Raw water source Municipal tap water compliant with GB5749 2006 Water quality compliance Compliant with Sanitary Safety and Functional Evaluation Specification for Drinking Water RO Treatment Equipment 2001 Net weight 15 5 kg Dimensions L x W x H 445 x ...

Page 4: ...mal Orange The filter life is down to 5 order replacement filters Red The filter life is down to 0 replace filter immediately Indicator light PREPARATION BEFORE INSTALLATION Determine installation location dependent on the actual on site environment Determine various tools required for installation wrench electric drill hole opener screwdriver pipe cutter needle nose plier Cut off water and electr...

Page 5: ...coming water supply 3 The water pipe and the quick connect joint must be secure to prevent water leakage 1 Installation of metal hose and 3 way valve 1 Fix the water inlet valve at close position and unscrew the metal hose 2 Attach the base end of the three way valve to the inlet valve 3 Attach one end of the metal hose to the top of the three way valve The metal hose connects to the faucet Metal ...

Page 6: ...rom the base hole 4 When installing the water outlet the base should face the corner of the sink 5 Tighten the two screws 2 Installation of faucet body 1 Cut a water pipe of appropriate length Insert one end into the socket of the main body and the other end through the base beneath the countertop 2 Connect with the water outlet of the water purifier 3 Insert the main faucet body into the base 3 I...

Page 7: ...ction of the 2 way pipe and the drain pipe with a little silica gel FIXING THE SYSTEM The reverse osmosis water purifier is not to be wall mounted It should be placed directly on the cabinet floor Should the unit need to be fixed on the wall the user must purchase a separate tripod and expansion screws for a secure wall installation POWER CORD CONNECTION Connect the power adapter to the system and...

Page 8: ...n for as long as possible on the first day of installation Gas solubility increases as tap water passes through the high pressure RO filtration process As a result users may notice tiny bubbles in the pure water similar to that of bubbles of carbonated drinks Because pure water has no impurities it takes a long time for the bubbles to dissipate This is a normal physical phenomenon and is harmless ...

Page 9: ...articles removed Estimated filter life Model Particle filter Suspended solids rust sand silt organic matter smells prevents crystallization of calcium and magnesium ions in filtration system 12 months MT 4 85mm Carbon filter Removes odors chlorine chloramine and improves taste 12 months CMF 85mm Reverse Osmosis RO membrane filter 0 0001μm precision filtration removes viruses bacteria trace metals ...

Page 10: ...acing any of the filters switch on the faucet and let the water run from the filter tap for 15 minutes before consuming the water 1 If the filter indicator display does not light up in white adjust the water purifier so that it is at least 2cm away from the sides of the housing cabinet Then remove the filter and reinstall it 2 If the faucet stops dispensing water after any filter replacement switc...

Page 11: ...ing water supply Inlet valve Waste water Particle filter RO filter Carbon filter Faucet Pressure pump Combination stop valve Backflow valve Main circuit board Stop valve Faucet Pressure pump Inlet valve Combination valve Power supply 220V 36V Left cover Front cover fixed Display panel Pressure pump Water pump cover Right cover Front cover removable Filter Filter handle Top cover Frame Filter circu...

Page 12: ...relevant filter Filters are not properly installed Reinstall the filters The main circuit board cannot shut off the inlet valve Check the inlet valve and replace if necessary Waste water is released even when faucet is off The inlet valve is malfunctioning Replace the inlet valve No or low flow of purified water Filters are at 0 life Replace the filters Filters are blocked Reinstall the affected f...

Page 13: ...ssible Is not subject to accidental damage or faults caused by negligence Is not subject to damage from external sources such as transit weather or power surges SERVICE AND LABOUR After the 1st year of warranty the owner is responsible for all other costs Such costs may include but are not limited to labour charges for service removal or reinstallation of the system and delivery handling and admin...

Page 14: ...hole system after being soaked in pure water for 24 They are in compliance with the Ministry of Health s Drinking Water Quality Processor Hygienic Safety and Functional Evaluation Specification for Anti permeation Treatment Devices 2001 and the requirements in GB5749 2006 HAZARDOUS SUBSTANCES CONTENTS Marked o The content of the hazardous substances in all materials of the part is below the limit ...

Page 15: ...AOS Bath Service Hotline 68420030 For filter replacements 68420030 AOS Bath Pte Ltd 178 Paya Lebar Road 06 11 Singapore 409030 ww aosbath com ...

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