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15

Stage 1

PP Sediment 

Filter 

Stage 2

Pre-Carbon 

Filter

Stage 3

Carbon 

Block Filter

Replacement of 1st to 3rd-Stage Filter Element

If the flow or quality reduction is found, it should be replaced every 6 months or earlier. The 

frequency of replacement depends on your water consumption and the quality of source 

water. In order to protect the reverse osmosis membrane from chlorine and other harmful 

contaminants, it is necessary to replace the filter element according to its service life.

How to Replace 1st to 3rd-Stage Filter Elements:

Please be careful when replacing the filters. To help reduce the water pressure, it is 

recommended to turn off the main water supply and close the RO fresh water inlet valve. 

When both valves are off, open the RO faucet to release any pressure. You will need your 

filter housing wrench for this filter removal process.

1. Close the sink main water inlet valve, the RO water inlet valve and the RO fresh water 

inlet valve on the RO fresh water storage tank.

2. Please open the RO water faucet to reduce the system pressure, and place a towel under 

the machine. It is a good idea to have a bucket handy to dump the water in the filter 

housing.  

Note: When you remove the water filter housing, water will be present in the 

filter housing. Carefully tip the filter housing into your bucket to empty the water. 

3. If the unit is installed under the sink with enough space or hung on the wall, the filter 

housing may be directly unscrewed to replace the filter element. Or, you will need to remove 

the unit and replace the filter element. Be careful for all the tubing connections when 

removing the machine.

4. Unscrew the housing of the filter element counterclockwise with the filter housing wrench. 

Note: For more information on how to install the filters, Refer to Step 4 – Install 

Filters.

Replacement of the 4th Reverse Osmosis Filter Element

Generally, the RO membrane is replaced every 2-3 years, and the TDS value is checked at 

least once a month to monitor the performance of the system. Under normal circumstances, 

the desalination rate of the unit will be greater than 90%.

Summary of Contents for CMP10

Page 1: ...Reverse Osmosis Water Purifier Instruction Manual Model CMP10 Please read the manual carefully before operating your water purifier Please keep this owner s manual for future reference ...

Page 2: ...ply Fitting STEP 2 Install Drain Saddle Adapter STEP 3 Install Reverse Osmosis Faucet STEP 4 Install Filters STEP 5 Install Fresh Water Storage Tank Reverse Osmosis Assembly STEP 6 Connect PE Tube Maintenance and How To Section First Time Use Flushing Stage 1 3 Filters How to Install the RO Filter Flushing All Filters in System Replacement of Filter Elements How to Replace 1st to 3rd Stage Filter ...

Page 3: ...proves the taste of your food by removing chlorine and odors caused by the impurities in water 3 Saves Money CMP10 eliminates the need for purchasing bottled water In addition plastic bottles are harmful to the environment making CMP10 the best option for your family 1 Benefits of Comfee CMP10 Specifications Dimensions Water source Municipal Tap Water Supply water pressure 40 80 psi 0 25 0 6 MPa S...

Page 4: ...ou are ready to install them 2 Packing List Reverse Osmosis System Housing Stage 1 Sediment Filter Stage 2 Pre Carbon Filter Stage 3 Carbon Block Filter Stage 4 RO Filter Stage 5 Post Carbon Filter Filter Housing Fresh Water Storage Tank Faucet Assembly 5 Stage Filters Inlet White Outlet Blue Drain Red Filter Housing Wrench PE Tubing Drain Saddle Adapter Fresh Water Tank Connector Faucet Base Conn...

Page 5: ...plastic tubes may be routed without kinking or bending NOTE You must check and comply with all local plumbing codes Site Preparation Tape Measurer Philips Screwdriver Box Knife Drill Drill Bits 3 8 Adjustable Wrench Thread Tape Towel Gloves Cold Water Supply Figure 1 Installation Procedure There are six steps to installing your reverse osmosis system Please see following steps STEP 1 Install Feed ...

Page 6: ... line by using the drain saddle adapter enclosed in the package Note The drain saddle adapter will need to attach above the sink drain P Trap to drain water from the reverse osmosis system Review the following schematic Figure 1 for more information How to Cut the PE Tube 1 Carefully use a tube cutter or knife blade to cut the end of tubing Always cut the tubing square 2 Inspect the tube up to 1 f...

Page 7: ...r supply line have a bucket and towel ready to capture any water left over in the water supply line 3 Disconnect the existing cold water supply line from the water shutoff valve and water faucet supply line 4 Inspect the water supply fittings to make sure that the gasket is inside the female threaded portion of the fitting 5 Before installing the water supply fitting onto the cold water shutoff va...

Page 8: ...pipe Do not overtighten See Figure 8 7 Hold off on connecting the RED PE tube to the quick connect fitting on the drain saddle adapter this water connection will be made in Step 6 Connect PE Tube The drain saddle adapter is needed for the drain water produced from the Reverse Osmosis Filter Please make sure the drain saddle adapter is located above the P trap as shown in Figure 6 and do not connec...

Page 9: ... with an adjustable wrench 7 The RO Faucet Base Connector is included with your RO System Install this connector to the base of the faucet Push connector onto faucet base until the connector bottoms out see Figure 9 8 You will attach the BLUE PE tube to the base of the faucet quick connect connector 9 After you have inserted the blue PE tube into the connector insert the blue PE Tube Lock Clips in...

Page 10: ...he bottom of the filter housing If not aligned properly the water filter will leak 3 Screw the filter housing assembly with filters installed to the filter head Turn the filter housing in a clockwise direction Once snug to the filter head use the Filter Housing Wrench to tighten it another to of a turn See Figure 12 4 Follow these steps to install the stage 1 PP Sediment Filter stage 2 Pre Carbon ...

Page 11: ...lockwise on the fresh water tank connecting screw be careful not to cross thread or overtighten 5 Connect the white PE Tube to the quick connector of the Fresh Water Tank Connector After you have inserted the white PE tube into the connector insert the blue PE Tube Lock Clips into the quick connector end 6 Place the storage tank next to the Reverse Osmosis system Place the tank upright Install the...

Page 12: ...upply line under the sink Point B 2 At Point A located on the RO system you will see a blue silicone plug and blue label with the words Pure Water Output Remove the blue silicone plug by pulling downward Note You may hear air escaping from the water connec tor This is normal 3 For a professional installation measure and cut tube square and to length Note To make it easier to move the RO system aro...

Page 13: ...ting Point D Point C STEP 6 Connect PE Tubing Continued Point E Point F Tubing connector Shutoff Valve Tank Nipple Storage Tank CONNECT RED TUBE FROM RO SYSTEM TO DRAIN SADDLE ADAPTER POINT C to D 1 Locate the red PE tube and attach one end to the Waste Water Output Point C and the other end to the Drain Saddle Adapter attached to the drain line under the sink Point D 2 At Point C located on the R...

Page 14: ...eel Washer Thin Black Washer Countertop Thick Hard Plastic Washer Metal Serrated Washer Nut Outlet metal pipe Red Protective Cap PE Tube Lock Clip Faucet Base Connector PE Tube Lock CLip First Time Use Flushing Stage 1 3 Filters Inspect all connecting tubes of the unit make sure no tubes are bent Before using the machine the first 3 filters stage 1 2 3 will need to be flushed with fresh water for ...

Page 15: ... TO INSTALL THE RO FILTER 1 Locate the RO Filter by Referring to Figure 20 2 To install the RO Filter first remove the blue PE Tube Locking Clip and white PE tube that is connected to the right side of the RO filter housing The white PE tube is inserted into a quick connect housing To remove the white PE tube remove the blue PE tube locking clip and press inward on the Collet dark grey ring that t...

Page 16: ...et and open the shut off valve of the RO fresh water storage tank The RO fresh water storage tank will begin to fill with fresh RO water Note This process may take 1 2 hours depending on your water temperature 40F 100F the higher the temperature the faster the speed and source water TDS max 750ppm the lower the TDS the faster the speed After the storage tank is full the unit will automatically shu...

Page 17: ...let valve on the RO fresh water storage tank 2 Please open the RO water faucet to reduce the system pressure and place a towel under the machine It is a good idea to have a bucket handy to dump the water in the filter housing Note When you remove the water filter housing water will be present in the filter housing Carefully tip the filter housing into your bucket to empty the water 3 If the unit i...

Page 18: ...inside the RO filter housing Pulling out the RO filter membrane can be difficult 5 Inspect the inside of the RO filter housing Please rinse the inside of RO filter housing thoroughly with warm soapy water Use a small amount of dishwasher detergent to clean the inside of the RO filter housing 6 Open the vacuum tight package of the new reverse osmosis membrane remove the RO membrane and insert it in...

Page 19: ... membrane filter element The unit is out of service for a long time 3 Months Allow RO faucet to flush for 3 5 minutes High TDS in Municipal tap water The system will provide a 90 TDS rejection rate when working properly Meaning if your Municipal tap water is 500ppm then the purified water is less than 50 ppm Poor assembly of O Ring seal between filter housing and the cap Need to reassemble O Ring ...

Page 20: ...The product is subject to change without notice Please keep this manual properly ...

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