Midea Ultrafiltration Water Purifier Mu136-4 Instruction Manual (+ PDF)

This device is used for filtering and purifying tap water, and the output water quality meets the “Sanitary Standard for Hygienic Safety and Function Evaluation on Treatment Devices of Drinking Water — General Water Treatment Device” . It is suggested to use the purified water produced by this device for household use such as cooking and drinking.

Filter service life display
Top cover
Filter
Lower housing

Instructions 1/4″ PE pipe

Faucet accessory box Water outlet faucet

Remarks:
The faucet accessory box composes of: gooseneck faucet: 1 set, water inlet ball valve: 1 pcs, 2″ joint clamp: 8 pcs.

B. DISPLAY INSTRUCTIONS

Reset button
(PP cotton, active carbon filter)
Reset button
(Ultrafiltration membrane filter)
Filter service life indication bar

C. USE IT FOR THE FIRST TIME

Start/Stop the Device for Undersink

The water purifying device should be installed by a professional technician or plumber.

1. The installation technician shall install, flush and test the device according to the steps as listed below.

2. Connect with water source, install the 1/4″ tubing on the valve, turn on the three-way ball valve, supply tap water.

3. Connect tubing with three-way ball valve to the “Water In” port of the system.

3. Install quick-fitting to the faucet.
4. Connect tubing with faucet to the “Water Out” port of the system.

5. Turn on the faucet, starts to filter water, close the faucet and the device stops filtering water.

Note:

It is advised to close the three-way ball valve, if not used for long periods of time.
Make sure you remove the Lock Clip when inserting the tubing. Reinstall the Lock Clip after the tubing is inserted.

D. USAGE CAUTIONS

In order to ensure safe use and prevent physical injury and property loss for you and others, please obey the following cautions, otherwise, it may possibly cause accident.

If this device won’t be used for a long period, please close the three-way ball valve. When using it again, please discharge water for 3-5min before normal use.

Do not store it in the place with direct and intensive sunlight, otherwise, it may easily cause components ageing. Avoid storing or exposing the device in an environment lower than 0°C.

The device must be installed or relocated by professional technician, it will easily damage the product if the components of the device are dismantled by yourself, it will easily cause improper operation if the device is moved or conveyed by yourself, which may result in device damages.

The best working pressure of this device ranges 0.1-0.4MPa, please install corresponding pressure increasing or decreasing device if the water pressure is higher or lower than this level.

When the device if faulty, please quickly cut off water supply, and contact the local service office or national wide service hotline.

When the environment temperature is low, the flow rate will drop, which is the natural property of the filter.

It may possibly cause fire, product damage or circuit fault if there’s strong magnetic apparatus near the device

Mean the [compulsory] contents

In order to ensure safe use and prevent physical injury and property loss for you and others, please obey the following cautions, otherwise, it may possibly cause an accident.

The damp or dusty environment may possibly cause device damages.

Please do not put heavy object on the device.

Please do not put flammable substances near the device.

When there isn’t water supply or the pipe is under repair, please turn off the three-way ball valve. After recovering water supply, please turn on other faucets to drain out sand and mud before turning on the three-way ball valve, otherwise, the filter may be possibly jammed by sand.

Children are not allowed to operate, approach or climb on the product, children should be supervised.

Only the components provided by our company should be adopted.

It is normal that the product will vibrate and make noise lightly when it is filtering water.

Mean the [compulsory] contents

Please do not use heat near the device.

Replace the filters according the Filter service life indication bar as per page 2.

Mean the [compulsory] contents

E. FILTER CONFIGURATION

Filter Name	Functions	Filter Service Life	Quantity
PP cotton filter	Remove Rust, Sand, Particulate, Sediment and some other insoluble matter which is bigger than 5μm	3-6 months	1 pcs
Front active carbon filter	Absorb abnormal color, bad smell, residual chlorine and some organics (methenyl trichloride, carbon tetrachloride).	6-12 months	1 pcs
Ultrafiltration filter	Block the bacteria (total coliforms), visible substances with naked eye.	12-18 months	1 pcs
Rear active carbon filter	Absorb abnormal color, bad smell, residual chlorine and some organics (methenyl trichloride, carbon tetrachloride) for better effect.	6-12 months	1 pcs

Special Instructions

The over-standard test for organics and heavy metals is conducted according to “Regulations on the Test of Drinking Water Hygiene and Safety Product of the Ministry of Health”.
The filter maintenance cycle is not the quality assurance period since it is the ideal filter maintenance period that the source water meets the drink water national standard based on the normal water use of common family.
The maintenance cycle of filter is the estimated period, the actual maintenance cycle is different (according to the suggestion of local distribution and service office) according to the working area, water quality, using amount and season.

F. FILTER REPLACEMENT

Open the cover Pull the handle

Take out the filter Replace the filter

Lock the filter Get the cover on Long press RESET to reset the reminder

G. BASIC PARAMETERS

For the technical improvement of the product, the following parameters are subject to change
without prior notice, please refer to the nameplate of the product.
The purified water flow rate is tested when the environment temperature 25±2°C, water temperature 25± 1°C and water inlet pressure 0.24 ± 0.02MPa.

Model	MU136-4
Purified water flow rate	1.2L/min
Working pressure	0.1-0.4MPa
Applicable water quality	Municipal tap water
Working temperature	4-38°C

H. DAILY MAINTENANCE

Maintenance is necessary for the daily use of purified water.

When cleaning the product, please do not use soap, detergent and strong volatile solvent such as thinner, gasoline and alcohol, otherwise, it may possibly cause crack, scratch and color changing.
Please do not directly spray water to clean the device.
Check if there’s water surrounding the product, and identify if there’s water leakage.
Check if the water outlet faucet is leaking.
Please turn off the the three way valve if not being used for long periods of time.
Do not put the product at an angle, horizontal or up side down.
Do not refit the joint and pipe of the device by yourself.
Do not keep the product working in an environment lower than 0°C.
Do not expose the product and pipeline in direct sunlight.

I. Water treatment process drawing

Purified water interface
Tap water interface

J. TROUBLESHOOTING

The followings are the identification and Check for abnormalities, if it can’t be removed through simple treatment, please send it to the repair office or consult our customer service hotline. Do not dismantle and repair it by yourself to avoid damage to your water purifier.

During purifying and filtering process, the water purifier may generate light noise, this is normal.
If there’s any problem, please check the following methods, if the fault can’t be found, please contact Midea South Africa.

Problem	Possible Reasons	Solutions
The water output volume of the purified water drops abnormally	Filter is jammed	Flush or replace the filter.
	Filter is not timely replaced and exceeds the service life	Replace the filter.
	The ball valve or faucet is not completely turned on	Check water inlet ball valve, or if the faucet is completed turned on.
The output water quality is low	Filter is faulty	Please contact local service office, and replace it timely.
The output water quality is low	The device is not used for a long period (over 3 days)	Turn on the purified water faucet, flush it for 3-5min.
No water output	The pipe or filter is jammed	If the pipe is jammed, remove the obstacle; if the filter is jammed, replace the filter and try again.