MRCOOL MTW04RO Water Dispenser Instruction Manual

MTW04RO Water Dispenser
Instruction Manual

Due to updates and constantly improving performance, the information and instructions within this manual are subject to change without notice. Please visit  www.mrcool.com/documentation to ensure you have the latest version of this manual.
Version Date: 03-14-22

Product Summary

To Our Customers
Thank you for choosing the MRCOOL® Water Dispenser. In order to use and maintain this product correctly, please read the manual carefully before using the product.  Store the manual for future reference.

1. This is a vertical water dispenser, please place it on the ground firmly to avoid falling.
2. Operation conditions: Water source: municipal tap water, Feed water pressure: 0.1 MPa ~ 0.4MPa, Feed water temperature: 41°F-100°F (5-38°C), Altitude: < 4921ft (1500 meter)
3. Check the product periodically for any connection leaks or any loose wires. If the product fails, shut off the water main and power supply immediately, and contact your dealer.
4. lf this product won’t be used for a long time, shut off the water supply and power off. If it hasn’t been used for more than 3 days, drain off all the remaining water in the  tanks and flush the system for more than 5 minutes before putting it into use again.
5. DO NOT allow children to operate the unit to avoid injury. It is designed for indoor use only. DO NOT use it in an explosive environment.
6. Every machine must pass a water leakage test before packing.
7. lnstallation and maintenance should be performed by a professional. Improper installation may cause water leakage, electrical shock, or may void the warranty.

Packing List

General Information

Technical Parameters

Recommended Locations

• Offices
• Clubs
• Hotels
• Airports
• Train Stations
• Factories
• Many more

Function

• Dispense hot water
• Dispense cold water
• Dispense ambient water

General Information

Filters and Their Functions

color and turbidity
3rd Stage| RO Membrane| Removes bacteria, heavy metals, dissolved matters and salinity
OF Membrane| Removes suspended particles, turbidity, bacteria and other harmful substances.
4th Stage| Post Carbon Filter| Adjusts the taste of purified water
5th Stage| LED UV| Treats bacteria
Temperature Option| Ambient/Hot/Cold

How To Install

Installation Procedures

1. Tools Required:
   • Phillips (cross-tip) screw driver
   • Adjustable wrench
   • Scissors

2. Please review the Packing List previously mentioned and ensure all items are included in the packaging.

3. Installation Position Required:
   • Close to 220V /11OV socket
   • Close to tap water source
   • Close to drain outlet, please note that the position of drain pipes should be at least 20cm lower than water pan.

4. Install the Inlet Ball Valve and Tee Fitting according to the diagram below:
   • Wrap threads of Feed Water Valve and Tee Fitting with Teflon tape.
   • Connect White Feed Water tube from unit to Feed Water Valve.
   • Install the Feed water valve Tee fitting, and then connect to source water.

5. Install tubing:
   • Cut RO tube to appropriate length and prepare 2 pieces ensuring ends are flat and can make a flush connection.
   • Connect ball valve to water inlet port with one piece.
   • Connect the drain to the waste water port with the other piece.
   • Connect the silicon tube to the drain of the water pan or a bucket.

6. Take off the front panel, install filter cartridges to water purifier according to the labels indicated above. After filters are installed, cover the front panel.

7. For First Use –
   • Open Inlet Ball Valve, connect power supply and power on. The machine will start producing water. During this period, the switch for heating should be off.
   • After the machine completes water production (White light around the big button in the middle), shut off the power supply. Connect the silicon tube to drain off hot  water tank and the other end to a bucket to drain out all of the water in the tank.
   • Power on again to prompt the machine to produce water and then drain the water out of the tank after water production is completed. Repeat this process 2 to 3 times  to flush the machine. During this process, pay close attention to all connections to check for leaks.
   • After flushing, remove the silicon tube and pack it up. Block the drain of hot water tank.
   

How To Get Hot Water

1. Flip the heating switch on (switch position will be from “O” to “-“.), the machine will start heating.
2. Press the hot water button on the control panel. After a short “Ding” sound, the hot water status is released and will last for 3 seconds.
3. Press the “water Outlet/ Ambient Water button” within 3 seconds and you will get hot water (a red circling light will appear around the “water outlet” button ).
4. Press the “water Outlet/Ambient Water button “ again to end the hot water output. The machine will conduct a 30-second hot water output if not ended manually.
   

How To Get Ambient Water

1. Press the Water Outlet/Ambient Water Button on the control panel, and you will get ambient water (a green light will circle around the “water outlet” button ).
2. Press the “water Outlet/Ambient Water button again to end the ambient water output. The machine will conduct a 30-second ambient water output if not ended manually.
   

How To Get Cold Water

1. Press the Cooling switch on (switch position will be from “O” to “-”), the machine will start cooling.
2. Press the cold water button* on the control panel. A “Ding” sound will signal the cold water status is released and will last for 3 seconds.
3. Press the “water Outlet/ Ambient Water button within 3 seconds and you will get cold water (a blue light will circle around the “water outlet” button ).
4. Press the “water Outlet/Ambient Water button again to end the cold water output. The machine will conduct a 30-second cold water output if not ended manually.
   

How to Flush

• The machine will conduct a 90-second flush every time it’s powered on.
• After the water production time reaches one hour, the machine will conduct a 10 second flush process.

Memory
Even when the machine is powered off, it will still record all data automatically, such as service life of filter, remaining life of LED UV sterilizer, mode of the machine, etc.
LED UV Sterilizer
Brand new machine:
After the first complete water production cycle, the LED UV will work for 150 minutes. DO NOT interrupt this process.
During daily use:
If there is no water production, the LED UV will conduct a 30-second sterilizer every hour.The LED UV will conduct a 50-minute sterilizer each time the machine completes water production.
Power Saving Mode
If there is no manual operation within 30 minutes, the machine will enter the Power Saving Mode. This mode only reduces the brightness of the light, it does not affect any  other machine functions.

Service Life of Filter Cartridges and Filter Change Reminder
NOTE
The service life in the follow tables is calculated when the machine is in the process of pure water production.

RO System

Light indicator for PP sediment
(1st stage)| Total service life: 270 Hours
---|---
Remaining life span > 45Hours| Light off
Remaining life span 5 45Hours| Flashing
Filter life ends| Red light on
Light indicator for block carbon fitter (2nd stage)| Total service life: 270 Hours
Remaining life span > 45Hours| Light off
Remaining life span s 45Hours| Flashing
Filter life ends| Red light on
Light indicator for RO membrane
(3rd stage)| Total service life: 540 Hours
Remaining life span > 90Hours| Light off
Remaining life span 5. 90Hours| Flashing
Filter life ends| Red light on
Light indicator for T33 post carbon (4th stage)| Total service life: 270 Hours
Remaining life span > 45Hours| Light off
Remaining life span 5. 45Hours| Flashing
Filter life ends| Red light on

UF System

Days
Remaining life span > 30 Days| Light off
Remaining life span 5 30 Days| Flashing
Filter life ends| Red light on
Light indicator for OF membrane (3rd stage)| Total service life: 180 Days
Remaining life span >30 Days| Light off
Remaining life span 5 30 Days| Flashing
Filter life ends| Red light on
Light indicator for T33 post carbon (4th stage)| Total service life: 180 Days
Remaining life span > 30 Days| Light off
Remaining life span < 30 Days| Flashing
Filter life ends| Red light on

Filter Life Reset
When one, or all, of the filters are to be replaced, the filter indicator lights for each filter to be replaced will also need to be reset. Please follow the steps below to reset the filter indicator lights.

1. Press and hold “PP” and “T33” together for 5 seconds in order to enter the reset mode. The red lights will flash to indicate reset mode has been accessed.
2. Then, press and hold the symbol of the filter to be replaced for 3 seconds. The sound of 3 chimes will indicate the reset of the filter is complete. Repeat this step for each filter to be replaced.

Troubleshooting

1.Connect Power Supply Cord to socket
2.Power Switch is off| 2.Turn on Power Switch
3.Circuit failure| 3.Make sure that all wires
are good and connected well
4.Defective adapter| 4.Contact your local dealer for a new adapter
Pink flashing light around “Water Outlet” button| 1.Water inlet is off| 1.Make sure all inlet valves are on
2.Low feed water pressure| 2.Increase feed water pressure
3.Defective low pressure switch| 3.Contact your local dealer for a new low pressure switch
4.Defective electric control board| 4.Contact your local dealer for a new electric control board
The machine is in water production mode but no water output| 1.Filter cartridge blocked or not installed correctly| 1.Replace the filters or install them correctly
2.Defective input solenoid valve| 2.Contact your local dealer for a new solenoid valve
3.Floated switch damaged or blocked| 3.Contact your local dealer for a new float switch or adjust its position
Machines does not heat| 1.The machine started
heating when hot water tank is empty, thus it shuts o ffthe heating function for protection.| 1.Reset the temperature switch
2.Circuit failure| 2.Check and repair circuit
3.Defective Hot water tank| 3.Contact your local dealer for a new hot water tank
4.Defective electric control board| 4.Contact your local dealer for a new electric controller
Light Color| Light State| Machine Status| Remarks
---|---|---|---
Green| Circling| Ambient Water Output| In the process of Ambient Water Output
Red| Circling| Hot Water Output| In the process of Hot Water Output
Blue| Circling| Cold Water Output| In the process of Cold Water Output
Red| On without circling| Defective LED UV| LED UV damaged or not connected properly
White| On without circling| In Standby Mode| Normal
Red| Circling| In Heating Process| In Heating Process
Pink| Flashing| Water Lack| No feed water
Red| Flashing| Low feed water pressure water production process is interrupted| Low pressure switch disconnected
Yellow| Flashing| High feed water pressure, water production process is interrupted| High pressure switch disconnected

Water Dispenser
Models: MTW04RO|MTW04UF

Documents / Resources

| MRCOOL MTW04RO Water Dispenser [pdf] Instruction Manual
MTW04RO Water Dispenser, MTW04RO, Water Dispenser, Dispenser
---|---

References

• MRCOOL – Comfort Made Simple
• Documentation – MRCOOL

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