Coway Water Dispenser CHP 04AR User Manual

Water Filtration Device  
CHP-04AR/L/U  
This product can not be used if the voltage is different from  
that mentioned in the rating plate.  
For your safety and proper use of the product, please read this  
User’s Manual before use.  
Warranty card is included in this User’s Manual.  
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DEAR CUSTOMERS  
Thank you for using Coway Water Filtration Device.  
Please read this UsersManual to use and maintain the product correctly.  
If you encounter a problem while using the product, you may solve the problem referring to the  
User’s Manual. As this manual contains the product warranty card, please keep it in a safe place.  
This system (CHP-04AR/L/U) conforms to NSF/ANSI 42 for aesthetic chlorine reduction and NSF/  
ANSI 53 for VOC reduction as verified and substantiated by test data.  
This system (CHP-04AR/L) conforms to NSF/ANSI 58 for the reduction of pentavalent arsenic,  
barium, cadmium, selenium, radium 226/228, trivalent chromium, hexavalent chromium, lead,  
nitrate/nitrite as verified and substantiated by test data.  
This system (CHP-04AR/L) registered in california.  
See performance data sheet for individual contaminants and reduction performance.  
This system (CHP-04AR/L) is acceptable for treatment for influent concentrations of no more  
than 27 mg/L nitrate and 3 mg/L nitrite in combination measured as N and is certified for nitrate/  
nitrite reduction only for water supplies with a pressure of 280 kPa(40 psi) or greater.  
CONTENTS  
FOR INFORMATION  
HOW TO USE  
SAFETy iNFORmATiON. . . . . . . . . . . . . . . . . . . 3  
Electricity safety . . . . . . . . . . . . . . . . . . . . . . . 3  
Installation safety. . . . . . . . . . . . . . . . . . . . . . 4  
Operation safety. . . . . . . . . . . . . . . . . . . . . . . 5  
Others. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6  
iNSTAllATiON PRECAUTiONS . . . . . . . . . . .13  
iNdiCATORS ANd CONTROlS . . . . . . . . . . .15  
HOW TO USE. . . . . . . . . . . . . . . . . . . . . . . . . . . .17  
To drink the cold water. . . . . . . . . . . . . . . . 17  
To drink the hot water . . . . . . . . . . . . . . . . 17  
To drink the room water . . . . . . . . . . . . . . 18  
PARTS NAmE . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7  
WATER FilTRATiON PROCESS. . . . . . . . . . . . . 9  
MAINTENANCE  
OTHERS  
iNSTAllATiON . . . . . . . . . . . . . . . . . . . . . . . . . .19  
TROUblESHOOTiNG . . . . . . . . . . . . . . . . . . . .27  
SPECiFiCATiONS . . . . . . . . . . . . . . . . . . . . . . . .28  
WATER FlOW diAGRAm . . . . . . . . . . . . . . . . .29  
PERFORmANCE dATA SHEET . . . . . . . . . . . .30  
WARRANTy CARd. . . . . . . . . . . . . . . . . . . . . . .41  
ClEANiNG mETHOd . . . . . . . . . . . . . . . . . . . .21  
Storage tank. . . . . . . . . . . . . . . . . . . . . . . . . . 21  
Gutter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23  
FilTER REPlACEmENT. . . . . . . . . . . . . . . . . . .24  
FilTER REPlACEmENT mETHOd . . . . . . . . .25  
2
- Please keep the User’s manual where it can be readily reached or found -  
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SAFETy INFORMATION  
Be careful to keep this safety information.  
Please read this safety information carefully to ensure your safety and to prevent possible  
property damage or loss.  
If not observed,  
serious injury or  
even death could  
occur.  
If not observed,  
serious injury or  
property damage  
could occur.  
If not observed, slight  
injury or property  
damage could occur.  
Danger  
Warning  
Caution  
Electricity safety  
do not use a damaged  
power cord or plug, and  
loose outlet.  
Otherwise, electric shock or  
fire may occur as a result.  
do not pull the power  
cord.  
Otherwise, electric shock or  
fire may occur as a result.  
do not carry the unit by  
its power cord.  
do not touch the power  
plug with a wet hand.  
Otherwise, electric shock or  
fire may occur as a result.  
Otherwise, electric shock or  
fire may occur as a result.  
do not forcefully bend  
the power cord or put  
it under a heavy object  
to prevent it from being  
damaged or deformed.  
do not connect and  
pull out the power plug  
repeatedly.  
Otherwise, electric shock or  
fire may occur as a result.  
Otherwise, electric shock or  
fire may occur as a result.  
if the electric outlet is  
wet, carefully unplug the  
unit and let the electric  
outlet completely dry  
before subsequent use.  
Unplug the product  
before repair, inspection,  
or parts replacement.  
Otherwise, electric shock or  
fire may occur as a result.  
Otherwise, electric shock or  
fire may occur as a result.  
3
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Remove any dust or  
water off in the pin and  
contacts of the power  
plug.  
do not plug into an  
outlet that is being  
used by several other  
appliances.  
Otherwise, electric shock or  
fire may occur as a result.  
Use an electrical outlet  
dedicated.  
Otherwise, fire may occur as  
a result.  
When you don’t use for a  
long time, close the main  
water supply valve and  
unplug.  
Otherwise, electric shock or  
fire may occur as a result.  
do not attempt to repair  
or modify the power cord  
at your discretion.  
Otherwise, electric shock or  
fire may occur as a result.  
in the case the power  
cord is damaged, do  
not replace the cord  
yourself. Call Coway  
Service Center to have it  
replaced.  
Otherwise, electric shock or  
fire may occur as a result.  
Installation safety  
do not install near a  
heating device.  
Otherwise, fire may occur as  
a result.  
do not install the  
product on a sloped  
floor.  
Injury to the user or damage  
to the unit may result.  
do not press the product  
by constraint or impact.  
Injury to damage to the unit  
may result.  
The filtration device installation shall  
comply with applicable state and local  
regulations.  
4
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SAFETy INFORMATION  
If not observed,  
serious injury or  
even death could  
occur.  
If not observed,  
If not observed, slight  
injury or property  
damage could occur.  
serious injury or  
property damage  
could occur.  
Danger  
Warning  
Caution  
Operation safety  
When the water is  
coming inside of the  
product or there is a  
puddle on the product,  
call Service Center after  
closing the supplying  
valve and unplugging.  
if our product produces a  
strange noise or odd  
smell, immediately  
unplug from the  
electrical outlet and call  
our Service Center.  
Otherwise, electric shock or  
fire may occur as a result.  
Otherwise, electric shock may  
occur as a result.  
do not put the candle, a  
light for cigarette on the  
products.  
Otherwise, fire may occur as  
a result.  
do not place any  
containers with water,  
medicine, food, small  
metallic objects, or any  
flammable material on  
the top of the product.  
In the case foreign material  
gets inside the product,  
electric shock, fire, product  
damage may occur as a result.  
Use after closing the  
water tank cover  
completely inside of the  
product.  
To drink the filtered  
water, change the filter  
according to the filter  
replacement cycle.  
The buck or the foreign body  
can be entered.  
If you use the expired filter,  
the filter performance is  
lowered.  
When you don’t use for  
a long time, use after  
draining the saved  
do not allow hot water to  
come in contact with the  
human body.  
water completely and  
emptying the newly  
room water once again.  
Otherwise, burn may occur  
as a result.  
The saved water can be  
polluted.  
5
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Danger Warning Caution  
Others  
Clean after unplugging.  
Otherwise, electric shock or  
fire may occur as a result.  
do not clean by spraying  
the water directly or  
don’t wipe the product  
using the benzene and  
thinner.  
Otherwise, electric shock or  
fire may occur as a result.  
do not repair,  
do not use filtered water  
for the water exchange  
of an aquarium or a  
fishbowl.  
The room water through the  
membrane isn’t suitable for  
the fish’s life environment as  
it removed the ionic material.  
In some cases, fishes might  
even die.  
disassemble, or modify.  
Otherwise, electric shock or  
product damage may occur  
as a result.  
After moving the product  
or replacing the inno-  
sense filter, the black  
powder can be remained  
in the inner bottom of  
the water tank.  
do not use with water  
that is microbiologically  
unsafe or of unknown  
quality without adequate  
disinfection before or  
after the system.  
It is quiet harmless as the  
powder of the activated  
carbon used in the inno-sense  
filter was flowed out for  
improving the water tastes.  
6
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PARTS NAME  
Front  
Indicators  
Controls  
Hot water Faucet  
Cold / Room water  
Changeover Faucet  
Cup-touch Lever  
Gutter  
Front Draining Door  
Front Cover  
7
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Rear  
Top Cover  
Rear Cover  
Power Cord  
Drain Hose  
Cooling Stopper  
Outlet (Blue, CHP-04AR/L)  
Inlet(Orange)  
8
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WATER FILTRATION PROCESS  
The filter is the core technology of the filtration system.  
If you don’t use qualifying filter or if you use an old filter that has expired, the system  
performance may degrade.  
The 5-step water filtering system (CHP-04AR/L)  
Step 1 : PlUS SEdimENT FilTER  
This plus sediment filter has the functions to reduce infusible particles from feed water and to  
protect membrane and pre-carbon filter from being plugged.  
Step 2 : PRE-CARbON FilTER  
This Pre-Carbon filter has the function to reduce aesthetic chlorine, odor, volatile organic  
compounds(VOC’s).  
Step 3 : RO mEmbRANE FilTER  
RO membrane filter has the function to reduce water contaminants such as pentavalent arsenic,  
barium, cadmium, selenium, radium 226/228, trivalent chromium, hexavalent chromium, lead,  
nitrate/nitrite.  
Step 4 : iNNO SENSE FilTER  
This inno-sense filter has the functions to reduce smell induction material and to improve taste of  
water. It also has the function to reduce aesthetic chlorine, volatile organic compounds(VOC’s).  
STEP 5 : UlTRA-ViOlET lAmP  
This ultra-violet lamp circulates the treated water inside the reservoir tank.  
PLUS SEDIMENT  
FILTER  
PRE-CARBON  
FILTER  
RO MEMBRANE  
FILTER  
INNO SENSE  
FILTER  
ULTRA-VIOLET  
LAMP  
Reject  
Water  
Outlet  
Uses of reject water  
-
The reject water should be used for cleaning the restroom, the house, clothes, or  
purposes other than drinking.  
Tips  
-
Never use the reject water for a drinking or a cooking.  
9
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The 6-step water filtering system (CHP-04AR/L)  
Step 1 : PlUS SEdimENT FilTER  
This plus sediment filter has the functions to reduce infusible particles from feed water and to  
protect membrane and pre-carbon filter from being plugged.  
Step 2 : PRE-CARbON FilTER  
This Pre-Carbon filter has the function to reduce aesthetic chlorine, odor, volatile organic  
compounds(VOC’s).  
Step 3 : RO mEmbRANE FilTER  
RO membrane filter has the function to reduce water contaminants such as pentavalent arsenic,  
barium, cadmium, selenium, radium 226/228, trivalent chromium, hexavalent chromium, lead,  
nitrate/nitrite.  
Step 4, 5 : FiNE POST-CARbON FilTER  
This Fine Post-Carbon filter has the functions to reduce smell induction material and to improve taste  
of water. It also has the function to reduce aesthetic chlorine, volatile organic compounds(VOC’s).  
STEP 6 : UlTRA-ViOlET lAmP  
This ultra-violet lamp circulates the treated water inside the reservoir tank.  
PLUS SEDIMENT  
FILTER  
PRE-CARBON  
FILTER  
RO MEMBRANE FINE POST-CARBON  
FILTER FILTER  
CERAMIC  
FILTER  
Reject  
Water  
Outlet  
10  
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WATER FILTRATION PROCESS  
The 5-step water filtering system (CHP-04AU)  
Step 1 : PlUS SEdimENT FilTER  
This plus sediment filter has the functions to reduce infusible particles from feed water and to  
protect membrane and pre-carbon filter from being plugged.  
Step 2 : PRE-CARbON FilTER  
This Pre-Carbon filter has the function to reduce aesthetic chlorine, odor, volatile organic  
compounds(VOC’s).  
Step 3 : iNNO SENSE FilTER  
This inno-sense filter has the functions to reduce smell induction material and to improve taste of  
water. It also has the function to reduce aesthetic chlorine, volatile organic compounds(VOC’s).  
Step 4 : UF mEmbRANE FilTER  
STEP 5 : UlTRA-ViOlET lAmP  
This ultra-violet lamp circulates the treated water inside the reservoir tank.  
PLUS SEDIMENT  
FILTER  
PRE-CARBON  
FILTER  
INNO SENSE  
FILTER  
UF MEMBRANE  
FILTER  
ULTRA-VIOLET  
LAMP  
11  
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The 5-step water filtering system (CHP-04AU)  
Step 1 : PlUS SEdimENT FilTER  
This plus sediment filter has the functions to reduce infusible particles from feed water and to  
protect membrane and pre-carbon filter from being plugged.  
Step 2 : PRE-CARbON FilTER  
This Pre-Carbon filter has the function to reduce aesthetic chlorine, odor, volatile organic  
compounds(VOC’s).  
Step 3 : POST-CARbON FilTER  
This post-carbon filter has the functions to reduce smell induction material and to improve taste of  
water. It also has the function to reduce aesthetic chlorine, volatile organic compounds(VOC’s).  
Step 4 : UF mEmbRANE FilTER  
STEP 5 : UlTRA-ViOlET lAmP  
This ultra-violet lamp circulates the treated water inside the reservoir tank.  
PLUS SEDIMENT  
FILTER  
PRE-CARBON  
FILTER  
POST-CARBON  
FILTER  
UF MEMBRANE  
FILTER  
ULTRA-VIOLET  
LAMP  
12  
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INSTALLATION PRECAUTIONS  
The summary for the proper installation of the water filtration device  
1. Close main water supply valve to separate the faucet.  
2. Apply the teflon tape on the adaptor and fit it to the  
pipe.  
do not turn the water pipe.  
3. Connect the faucet with the adaptor.  
install the adaptor with connector to the cold water pipe.  
4. Connect 1/4 inch orange tubing with the connector  
on the adaptor.  
Flush water through each filter at least 5 minutes before  
Connection.  
5. Open the feed valve to supply water to the filtration  
system.  
13  
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Please check before use!  
This product is for 120 V 60 Hz only.  
Please connect the power plug to a grounded electrical outlet for 120  
V
60 Hz. The water filtration device works normally only when the  
electricity is connected.  
• Open the main water supply valve.  
The main water must be supplied to operate the water filtration device normally.  
• After installing the product  
Get rid of the saved water above the full water in the inner water tank 2 times or more to use.  
• When the indicator in the indication part is turned off  
When the indicator in the indication part is turned off, check if the power supply was stopped  
due to the power failure or other cause.  
• Regular filter replacement  
It is important to replace the filter regularly to maintain water quality as it is designed. If the filter  
is overused beyond its service life, the performance of the water filtration device deteriorate. Do  
not miss the filter replacement cycle.  
• When you didn’t use for a long time  
If you saved the water for a long time or you didn’t use, drain the water inside of the water  
filtration device completely and remove the newly filtered water one time to use.  
• When you don’t want to use the product for a long time.  
Close the main water supply valve and unplug the power cord.  
When you don’t use for a long time, close the main water supply valve and unplug the  
power cord.  
Tips  
14  
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INDICATORS AND CONTROLS  
Indication part/Operation part  
Indicators  
Controls  
Water level  
indicator  
Hot water  
temperature  
indicator  
3
6
Power  
indicator  
1
2
UV cycle  
indicator  
Cold water  
temperature  
indicator  
Hot water  
temperature  
level indicator  
7
8
Hot water  
mode  
indicator  
4
5
1
Cold water  
mode  
indicator  
Cold water  
temperature  
level indicator  
9
Hot water mode  
selection button  
Cold water mode  
selection button  
2
1
2
Power indicator  
UV cycle indicator  
If you connect the power,  
the indicator is turned on.  
In case that storage tank is full  
for a hour,UVlamp lights on  
and lamp lights off in serial.  
in case thatUVlamp blinks,  
change the UV lamp.  
3
5
4
Water level indicator  
Hot water mode  
indicator  
When you select hot water  
mode, the indicator is  
turned on.  
The indicator is turned on  
according to the water level  
in the storage tank. Basically,  
one blank is turned on.  
Cold water mode  
indicator  
6
Hot water temperature  
indicator  
When you select cold water  
mode, the indicator is  
turned on.  
The indicator is turned on  
according to the hot water  
temperature. The more LEDs  
are on, the higher the hot water  
temperature is.  
15  
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7
8
Hot water  
Cold water  
temperature indicator  
The indicator is turned on  
according to the cold water  
temperature. The more LEDs  
are on, the lower the cold water  
temperature is.  
temperature level  
indicator  
The indicator is controlled  
by hot water mode  
selection button.  
9
1
Cold water temperature  
level indicator  
The indicator is controlled by cold  
water mode selection button.  
Hot water mode  
selection button  
To select/deselect hot water  
mode.  
2
Cold water mode  
selection button  
To select/deselect cold  
water mode.  
To use cold water mode  
Press cold water mode selection button and check if  
cold water mode indicator is turned on. If you want to  
turn off cold water mode, press selection button for  
about 3 seconds or more. In statement of cold water  
selection, water level is changed in order of H L M  
H whenever you press the button shortly.  
When you are using the product for the first time,  
or if the cold water feature is off for a long time,  
then it takes about an hour for the water to reach a  
preset cold water temperature.  
To use hot water mode  
Press hot water mode selection button and check if  
hot water mode indicator is turned on. If you want to  
turn off hot water mode, press selection button for  
about 3 seconds or more. In statement of hot water  
selection, water level is changed in order of H L M  
H whenever you press the button shortly.  
When you are using the product for the first time,  
or if the hot water feature is off for a long time, then  
it takes about 30 minutes for the water to reach a  
preset hot water temperature.  
16  
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HOW TO USE  
To drink the cold water  
You can drink the cold water when you turn the jog  
shuttle to the left in cold water/room water changeover  
faucet and pushing the cup-touch lever.  
If the cold water doesn’t come from the water filtration device, check if the cold water  
mode indicator is turned on (See P.16).  
Tips  
To drink the hot water  
If you press the hot water safety button and push the  
cup-touch lever, you can drink the hot water.  
If the cold water doesn’t come from the water filtration device, check if the cold water  
mode indicator is turned on (See P.16).  
Tips  
17  
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To drink the room water  
You can drink the room water when you turn the  
jog shuttle to the right in cold water/room water  
changeover faucet and push the cup-touch lever.  
18  
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INSTALLATION  
Follow the instruction for installation  
Main water  
supply valve  
2 cooling stopper  
120 V~ 60 Hz Only  
1
Connect the orange color inlet tubing to the tap water  
2
supplying pipe. Connect the outlet tubing  
.
Inlet tubing (Orange)  
Outlet tubing  
2
(Blue, CHP-04AR/L)  
1
19  
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Be cautious!  
Water filtration device installation place 1  
Please install the water filtration system not at a rough place, a damp  
place, a place where the unit is exposed to the direct sunlight, a  
place where dust is present, or a place that the water drops.  
Water filtration device installation place 2  
Please install at the place where it is 10 cm or more off from the wall  
and the bottom is flat and firm.  
After installing the water filtration system  
Please empty the water tank filled with filtered water two times after  
the product installation.  
Hot  
Cold water plumbing  
W a ter  
Please connect the source water. Make sure that the source water is  
not from hot water line. If you use hot water as source water, then  
it will cause permanent damages to RO membrane and severely  
degrade the product performance.  
movement and installation  
When the position is moved, connect the power cord when 30  
minutes passes after installing.  
To maintain optimal product performance, consult a Coway engineer for the detailed  
installation methods.  
Tips  
There may be some water remaining inside of the filter which was used to test the  
product during inspection process at the factory.  
Please feel at easy and use as it isn’t the used product.  
Don’t reuse the main water supply valve and hose that was previously used when you  
re-install the product.  
20  
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CLEANING METHOD  
Storage tank  
1. Turn off by pressing cold water / hot water  
mode selection button in the front of the  
product for 3 seconds or more and unplug.  
Please lock the main water supply valve.  
2. Please empty the water tank completely using  
the draining hose after pressing and letting  
down the front draining door.  
Drain the water in Cold water/Room water tank from the  
upper blue cover, and drain the water in Hot water tank  
from the lower red cover.  
3. Please remove the top cover, and then un-hook the fixed clip holding the  
top cover of the water tank. Now remove hose and open the tank cover.  
4. Wipe the surface of the storage tank with soft clothes.  
21  
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5. Use the storage tank after  
cleaning it with the drained  
water, and empty the water  
tank using the draining hose.  
After cleaning, please close  
both tank and top cover, then  
empty the water tank filled  
with filtered water one more time.  
6. Open the main water supply valve after closing  
the water tank cover, upper cover and plugging  
the power cord.  
Please operate the water filtration device  
again by pressing cold water / hot water mode  
selection button in the front of the product  
after checking if the water is coming from the  
cold water/the room water extraction faucet and the hot water extraction  
faucet.  
Close the storage tank cover completely.  
Insects or other foreign particles can be entered.  
When you clean the storage tank, don’t use any chemicals or  
Tips  
detergent.  
If you don’t clean chemicals or detergent cleanly, it can be harmful  
to the body.  
-
Keep the surroundings clean and clean the storage tank once  
per two months.  
22  
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CLEANING METHOD  
Gutter  
1. Gutter separation method  
After leaning the gutter forward and taking in from the  
product, Separate the gutter cover.  
2. Gutter assembling method  
After assembling the gutter and the gutter cover, insert  
the assembled gutter into below the product.  
For the product installed the draining hose, you don’t need to empty the gutter  
additionally.  
Tips  
23  
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FILTER REPLACEMENT  
Filter  
Filter is a critical component for a water filtration system. Replacing  
authorized filters at a specified replacement cycle is important to maintain  
the water quality, and a proper system operation. Please replace filters at a  
specified replacement cycle. For replacement filters, please contact Coway  
authorized dealers and distributors.  
Filter replacement cycle  
If the filter is not regularly replaced, it may degrade the water quality from  
the product. The source water quality can shorten the filter replacement  
period.  
The period for the filter exchange is made based on 10 L use in a day for  
house use(4 people based) and 20 L use for business.  
CHP-04AR/L  
Part No.  
WJSF14-PLUS  
WJCF14-PRE  
WJMF14-75  
WJMF14-50  
Names of Filter  
Plus sediment filter  
Replacement Cycle  
6 months  
Pre-carbon filter  
12 months  
RO Membrane filter(CHP-04AR)  
RO Membrane filter(CHP-04AL)  
24 months  
24 months  
WJIF14  
/ WJFCF14-POST  
Inno-sense filter  
/ Fine post-carbon filter  
18 months  
12 months  
WJUVF-4W-PUMP  
Ultra-violet filter  
CHP-04AU  
Part No.  
Names of Filter  
Plus sediment filter  
Pre-carbon filter  
Replacement Cycle  
6 months  
WJSF14-PLUS  
WJCF14-PRE  
12 months  
WJIF14  
/WJCF14-POST  
Inno-sense filter  
/ Post-carbon filter  
18 months  
WJMF14-UF  
UF Membrane filter  
Ultra-violet filter  
12 months  
12 months  
WJUVF-4W-PUMP  
About filter replacement cycle  
The filter replacement cycle described above is not the filter quality  
warranty period but the expected cycle (life) that the filter shows its  
original performance.  
Therefore, the filter replacement cycle may be reduced for the area with  
the poor water quality or more water consumption.  
24  
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FILTER REPLACEMENT METHOD  
1. Close the main water supply valve after unplugging the power cord, and  
drain the water inside of the water filtration device (See P.21).  
2. Open by pressing the front draining cover and release 1 fixed screw using  
the Philips driver.  
Separate the front cover under the product by pressing and pulling  
forward.  
25  
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3. After separating the fitting connected to the filter to replace, please  
replace the filter.(Separate the fitting using the proper tool.)  
When you are replacing filters, please make sure that a corresponding filter and a  
hose are firmly connected and that there is no leakage.  
It is recommended to empty the water tank filled with the filtered water at least one  
Tips  
time right after the filter replacement.  
4. Please fit the groove of the front cover.  
After tightening 1 fixed screw in the front  
draining part using the Phillips driver, let  
down and close the front draining door.  
Before installing a new filter, please do the filter cleansing first as directed below:  
Filter Name  
Cleansing Time  
Comment  
Tips  
Plus sediment filter  
30 seconds  
Pre-carbon / Inno-  
sense / Post carbon  
/ Fine post carbon  
filter  
Please use plus sediment filtered water for  
cleansing  
3 minutes  
3 minutes  
Please use plus sediment filtered water for  
cleansing  
Ro membrane filter  
26  
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TROUBLESHOOTING  
The water filtration device may operate abnormally due to minor causes not because of the  
product malfunction but because of the fact that the user is not familiar with the product use.  
In such a case, problems can be solved easily even without the help from the Service Center by  
checking the following items. If you can’t solve the problem after checking the following items,  
please call the Service Center.  
Symptom  
Check  
Measures to take  
Clean the storage tank.  
Did you clean the storage tank?  
The water tastes  
weird.  
You didn’t use the water filtration device Get rid of the saved water and clean the  
for a long time.  
storage tank.  
Isn’t it about time to change the filter?  
Request the filter replacement.  
Is the water supply cut or isn’t the water  
supply valve closed?  
Open the main water supply valve.  
The water doesn’t  
come.  
Did you miss the filter replacement times? Request the filter replacement.  
Isn’t it about time to change the filter?  
Is the power connected?  
Request the filter replacement.  
Check if the power cord plug in 120 V 60  
Hz outlet.  
The water is  
flowing slower.  
Didn’t you close the main water supply  
valve?  
Open the main water supply valve.  
Didn’t the temperature of the main water If the water temperature is lowered, the  
drop suddenly?  
water amount is decreased.  
Was the cold water mode indicator  
lightened?  
Please press the cold water mode selection  
button.  
If it is the low water level to protect the  
electric motor, the cooling function doesn’t  
operate. Open the main water supply valve.  
The cold water /  
hot water doesn’t  
come.  
Didn’t you close the main water supply  
valve?  
Please keep the distance between the back  
of the water filtration device and the wall to  
10 cm or more.  
Isn’t the back side of the water filtration  
device and the wall too close?  
Is the main water being supplied actively? Check the main water supply valve.  
All operation was  
stopped suddenly  
when driving.  
Check if the power cord plug in 120 V 60  
Is the power connected?  
Hz outlet.  
Isn’t water overflowing or leaking?  
Request A/S.  
27  
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SPECIFICATION  
Product  
Water Filtration Device  
Model  
CHP-04AR  
CHP-04AL  
CHP-04AU  
UF  
Filtration Method  
Power Supply  
RO(Reverse Osmosis)  
120 V 60 Hz  
Room Water  
14 L  
Cold Water  
Hot Water  
Total  
3 L  
Tank  
Capacity  
3.6 L  
22.4 L  
380 mm(W) × 437 mm(D) × 1 257 mm(H)  
5 °C - 35 °C  
Dimension  
Working Temperature  
Production Rate  
Working Pressure  
Net Weight  
284 L/d(25 °C, 414 kPa)  
69 kPa – 827 kPa  
38.6 kg  
190 L/d(25 °C, 138 kPa)  
138 kPa – 827 kPa  
36.5 kg  
1 500 L/d(25 °C, 108 kPa)  
69 kPa – 827 kPa  
36.5 kg  
The water amount can be differentiated according to the water pressure and the water  
temperature.  
The water tank capacity is the amount by the size and can be different from the extraction  
capacity.  
Without any prior notice, all or parts of the product are subject to change for the purpose of  
improving the performance of the product.  
Refer to Performance data sheet for individual contaminants, reduction performance and general  
operating information.  
28  
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WATER FLOW DIAGRAM  
CHP-04AR  
CHP-04Al  
CHP-04AU  
An fine post carbon filter(post carbon filter) may be installed instead of a inno-sense filter.  
For the precise specifications of your product, refer to the data plate on the product.  
29  
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Water Filtration System Performance data Sheet  
brand: metro  
model: CHP-04AR  
This system has been tested and certified by the Water Quality Association according to NSF/ANSI 42, 53, and 58 for  
the reduction of the substances listed below. The concentration of the indicated substances in water entering the  
system was reduced to a concentration less than or equal to the permissible limit for water leaving the system, as  
specified in NSF/ANSI 42, 53, and 58.  
Max. Allowable  
Concentration  
(mg/L)  
0.010  
Average  
Influent  
(mg/L)  
0.05  
Average  
Effluent  
(mg/L)  
0.006  
1.4  
Minimum  
Percent  
Reduction (%)  
79.1  
Average  
Percent  
Reduction (%)  
87.7  
Substance  
Arsenic (Pentavalant)  
Barium  
2.0  
10  
83.5  
86.6  
Radium 226/228  
Cadmium  
Chromium (Hexavalent)  
Chromium (Trivalent)  
Lead  
5pCi/L  
0.005  
0.1  
0.1  
0.010  
10  
0.05  
<187.5  
25pCi/L  
0.031  
0.358  
0.367  
0.153  
29.6  
5pCi/L  
0.002  
0.023  
0.028  
0.005  
4.8  
N/A  
89.0  
93.8  
93.8  
93.6  
78.5  
96.0  
97.3  
N/A  
92.7  
95.1  
95.7  
95.1  
83.7  
97.8  
98.0  
Nitrate/Nitrite  
Selenium  
0.117  
741.5  
0.003  
14.5  
TDS  
Aesthetic Chlorine  
INNOSENSE  
FINE POST CARBON  
≥ 50%  
≥ 50%  
2.07  
1.96  
0.56  
0.53  
54.53  
55.0  
72.8  
72.8  
VOC*  
INNOSENSE  
FINE POST CARBON  
≥ 95% reduction  
≥ 95% reduction  
0.327  
0.317  
0.0052  
0.005  
96.20  
96.2  
98.4  
98.5  
While testing was performed under laboratory conditions, actual performance may vary.  
General Operating information:  
359 gallons (for VOC)  
7,523 gallons (for Aesthetic Chlorine)  
INNOSENSE FILTER  
Rated Capacity  
402 gallons (for VOC)  
1,453 gallons (for Aesthetic Chlorine)  
POST-CARBON FILTER  
Min-Max operating pressure:  
Min-Max feed water temperature:  
10 ~ 120 psi (0.7 ~ 8.4 kgf/cm2)  
41 ~ 95 ºF (5 ~ 35 ºC)  
0.07 GPM (for VOC)  
0.5 GPM (for Aesthetic Chlorine)  
86.2 GPD  
Rated Service Flow  
Daily Water Production Rate  
Product Efficiency Rating  
38.7 %  
Electrical Requirements:  
120 Vac / 60Hz  
Do not use with water that is microbiologically unsafe or of unknown quality without adequate disinfection  
before or after the system.  
Refer to the owners manual for specific installation instructions, manufacturer’s limited warranty, user  
responsibility, and parts and service availability.  
The influent water to the system shall include the following characteristics:  
o
o
o
o
o
o
o
No organic solvents  
Chlorine: < 2 ppm  
pH: 7 - 8  
Temperature: 41 ~ 95 ºF (5 ~ 35 ºC)  
Iron: < 2 ppm  
Turbidity: < 1 NTU  
Hardness: < 1000 mg/L  
30  
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For parts and service availability, please contact your local dealer or Coway.  
This system is acceptable for treatment of influent concentrations of no more than 27 mg/L nitrate and 3 mg/L  
nitrite in combination measured as N and is certified for nitrate/nitrite reduction only for water supplies with a  
pressure of 2.8 kgf/cm2 (40 psi) or greater.  
A nitrate/nitrite sampling kit should be used to monitor the nitrate/nitrite levels in your product drinking water  
at least every six months. Kits maybe purchased from your local dealer or Coway.  
This system has been tested for the treatment of water containing pentavalent arsenic (also know as As(V),  
As(+5), or arsenate) at concentrations of 0.050 mg/L or less. This system reduces pentavalent arsenic, but  
may not remove other forms of arsenic. This system is to be used on water supplies containing a detectable  
free chlorine residual at the system inlet or on water supplies that have been demonstrated to contain only  
pentavalent arsenic. Treatment with chloramines (combined chlorine) is not sufficient to ensure complete  
conversion of trivalent arsenic to pentavalent arsenic. Please see the Arsenic Facts section of this Performance  
Data Sheet for further information.  
Efficiency rating means the percentage of the influent water to the system that is available to the user as reverse  
osmosis treated water under operating conditions that approximate typical daily usage.  
The product water should be tested every 6 months to ensure that the contaminants are being reduced  
effectively. Please contact your local dealer or Coway to initiate this service.  
This reverse osmosis system contains a replaceable treatment components, 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 reverse osmosis component should be with one of identical specifications, as defined  
by the manufacturer, to assure the same efficiency and contaminant reduction performance.  
The estimated replacement time of filter, which is a consumable part, is not an indication of quality guarantee  
period, but it means the ideal time of filter replacement. Accordingly, the estimated time of filter replacement  
may be shortened in case it is used in an area of poor water quality.v  
Model of Filter  
WJSF14-PLUS  
WJCF14-PRE  
WJMF14-75  
Type  
Usable period (months)  
COST US $  
32.00  
PLUS SEDIMENT FILTER  
PRE-CARBON FILTER  
RO MEMBRANE FILTER  
6
12  
24  
36.00  
156.00  
WJIF14  
/ WJFCF14-POST  
INNO SENSE FILTER  
/ FINE POST-CARBON FILTER  
18  
12  
47.00  
WJUVF-4W-PUMP  
ULTRA-VIOLET LAMP  
187.00  
ARSENiC FACTS  
Arsenic (abbreviated As) is found naturally in some well water. Arsenic in water has no color, taste or odor. It must  
be measured by a lab test. Public water utilities must have their water tested for arsenic. You can get the results  
from your water utility. If you have your own well, you can have the water tested. The local health department  
or the state environmental health agency can provide a list of certified labs. The cost is typically $15 to $30.  
Information about arsenic in water can be found on the Internet at the US Environmental Protection Agency  
website:  
There are two forms of arsenic: pentavalent arsenic (also called As(V), As(+5), and arsenate) and trivalent arsenic  
(also called As(III), As(+3), and arsenite). In well water, arsenic may be pentavalent, trivalent, or a combination of  
both. Special sampling procedures are needed for a lab to determine what type and how much of each type of  
arsenic is in the water. Check with the labs in your area to see if they can provide this type of service.  
Reverse osmosis (RO) water treatment systems do not remove trivalent arsenic from water very well. RO systems  
are very effective at removing pentavalent arsenic. A free chlorine residual will rapidly convert trivalent arsenic  
to pentavalent arsenic. Other water treatment chemicals such as ozone and potassium permanganate will also  
change trivalent arsenic to pentavalent arsenic. A combined chlorine residual (also called chloramine) may not  
convert all the trivalent arsenic. If you get your water from a public water utility, contact the utility to find out if free  
chlorine or combined chlorine is used in the water system.  
The CHP-04AR system is designed to remove pentavalent arsenic. It will not convert trivalent arsenic to pentavalent  
arsenic. The system was tested in a lab. Under those conditions, the system reduced 0.050 mg/L pentavalent  
arsenic to 0.010 mg/L (ppm) (the USEPA standard for drinking water) or less. The performance of the system may be  
different at your installation. Have the treated water tested for arsenic to check if the system is working properly.  
The RO component of the CHP-04AR system must be replaced every 24 months to ensure the system will  
continue to remove pentavalent arsenic. The component identification and locations where you can purchase the  
component are listed in the installation/operation manual.  
31  
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State of California  
Department of Public Health  
Water Treatment device  
Certificate Number  
08 - 1905  
Date Issued: June 24, 2008  
Trademark/model designation  
Replacement Element(s)  
Metro CHP-04AR  
WJSF14-PLUS Plus Sediment Filter  
WJCF14-PRE Pre-carbon Filter  
WJMF14-75 RO Membrane Filter  
WJFCF14-POST Post-carbon Filter  
WJUVF-4W-PUMP UV Bulb  
Manufacturer: Woongjin Coway Co LTD  
The water treatment device(s) listed on this certificate have met the testing requirements pursuant to Section 116830 of the Health  
and Safety Code for the following health related contaminants:  
microbiological Contaminants and Turbidity  
inorganic/Radiological Contaminants  
Arsenic (Pentavalent)1  
Barium  
None  
Cadmium  
Chromium (Hexavalent)  
Chromium (Trivalent)  
Lead  
Nitrate/Nitrite2  
Radium 226/228  
Selenium  
Organic Contaminants  
VOCs  
Alachlor  
Endrin  
Simazine  
Atrazine  
Benzene  
Carbofuran  
Carbon Tetrachloride  
Chlorobenzene  
Chloropicrin  
2,4-D  
DBCP  
o-Dichlorobenzene  
p-Dichlorobenzene  
1,2-Dichloroethane  
1,1-Dichloroethylene  
cis-1,2-Dichloroethylene  
trans-1,2-Dichloroethylene  
1,2-Dichloropropane  
cis-1,3-Dichloropropylene  
Dinoseb  
Ethylbenzene  
EDB  
Styrene  
1,1,2,2-Tetrachloroethane  
Tetrachloroethylene  
Toluene  
Haloacetonitriles (HAN)  
Bromochloroacetonitrile  
Dibromoacetonitrile  
Dichloroacetonitrile  
Trichloroacetonitrile  
Haloketones (HK)  
1,1-Dichloro-2-Propanone  
1,1,1-Trichloro-2-Propanone  
Heptachlor  
Heptachlor Epoxide  
Hexachlorobutadiene  
Hexachlorocyclopentadiene  
Lindane  
2,4,5-TP (Silvex)  
Tribromoacetic Acid  
1,2,4-Trichlorobenzene  
1,1,1-Trichloroethane  
1,1,2-Trichloroethane  
Trichloroethylene  
Trihalomethanes (THMs)  
Bromodichloromethane  
Bromoform  
Chloroform  
Chlorodibromomethane  
Xylenes  
Methoxychlor  
Pentachlorophenol  
Rated Service Capacity: 359 gal  
Rated Service Flow: 0.07 gpm  
do not use with water that is microbiologically unsafe or of unknown quality, without adequate disinfection  
before or after the system.  
1 Claims for arsenic reduction shall only be made on water supplies maintaining detectable residual free chlorine at the  
reverse osmosis (RO) system inlet. Water systems using an in-line chlorinator should provide a minimum of 1 minute  
chlorine contact time before the RO system.  
2 This system is acceptable for treatment of influent concentrations of no more than 27 mg/L nitrate and 3 mg/L nitrite in  
combination measured as N and is certified for nitrate/nitrite reduction only for water supplies with a pressure of 280 kPa  
(40 psig) or greater. A sampling and analysis test kit for nitrate is provided for checking the performance of this system.  
Frequent analysis is encouraged.  
32  
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Water Filtration System Performance data Sheet  
brand: metro  
model: CHP-04Al  
This system has been tested and certified by the Water Quality Association according to NSF/ANSI 42, 53, and 58 for  
the reduction of the substances listed below. The concentration of the indicated substances in water entering the  
system was reduced to a concentration less than or equal to the permissible limit for water leaving the system, as  
specified in NSF/ANSI 42, 53, and 58  
Max. Allowable  
Concentration  
(mg/L)  
0.010  
Average  
Influent  
(mg/L)  
0.05  
Average  
Effluent  
(mg/L)  
0.006  
1.4  
Minimum  
Percent  
Reduction (%)  
79.1  
Average  
Percent  
Reduction (%)  
87.7  
Substance  
Arsenic (Pentavalant)  
Barium  
2.0  
10  
83.5  
86.6  
Radium 226/228  
Cadmium  
Chromium (Hexavalent)  
Chromium (Trivalent)  
Lead  
5pCi/L  
0.005  
0.1  
0.1  
0.010  
10  
0.05  
<187.5  
25pCi/L  
0.031  
0.358  
0.367  
0.153  
29.6  
5pCi/L  
0.002  
0.023  
0.028  
0.005  
4.8  
N/A  
89.0  
93.8  
93.8  
93.6  
78.5  
96.0  
90.0  
N/A  
92.7  
95.1  
95.7  
95.1  
83.7  
97.8  
92.6  
Nitrate/Nitrite  
Selenium  
0.117  
741.5  
0.003  
55.1  
TDS  
Aesthetic Chlorine  
INNOSENSE  
FINE POST CARBON  
VOC*  
≥ 50%  
≥ 50%  
2.07  
1.96  
0.56  
0.53  
54.53  
55.0  
72.8  
72.8  
INNOSENSE  
FINE POST CARBON  
≥ 95% reduction  
≥ 95% reduction  
0.327  
0.317  
0.0052  
0.005  
96.20  
96.2  
98.4  
98.5  
While testing was performed under laboratory conditions, actual performance may vary.  
General Operating information:  
359 gallons (for VOC)  
INNOSENSE FILTER  
7,523 gallons (for Aesthetic Chlorine)  
Rated Capacity  
402 gallons (for VOC)  
1,453 gallons (for Aesthetic Chlorine)  
FINE POST-CARBON  
Min-Max operating pressure:  
Min-Max feed water temperature:  
20 ~ 120 psi (14 ~ 8.4 kgf/cm2)  
41 ~ 95 ºF (5 ~ 35 ºC)  
0.07 GPM (for VOC)  
0.5 GPM (for Aesthetic Chlorine)  
53.3 GPD  
Rated Service Flow  
Daily Water Production Rate  
Product Efficiency Rating  
Electrical Requirements:  
31.0 %  
120 Vac / 60Hz  
Do not use with water that is microbiologically unsafe or of unknown quality without adequate disinfection  
before or after the system.  
Refer to the owners manual for specific installation instructions, manufacturer’s limited warranty, user  
responsibility, and parts and service availability.  
The influent water to the system shall include the following characteristics:  
o
o
o
o
o
o
o
No organic solvents  
Chlorine: < 2 ppm  
pH: 7 - 8  
Temperature: 41 ~ 95 ºF (5 ~ 35 ºC)  
Iron: < 2 ppm  
Turbidity: < 1 NTU  
Hardness: < 1000 mg/L  
33  
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For parts and service availability, please contact your local dealer or Coway.  
This system is acceptable for treatment of influent concentrations of no more than 27 mg/L nitrate and 3 mg/L  
nitrite in combination measured as N and is certified for nitrate/nitrite reduction only for water supplies with a  
pressure of 2.8 kgf/cm2 (40 psi) or greater.  
A nitrate/nitrite sampling kit should be used to monitor the nitrate/nitrite levels in your product drinking water  
at least every six months. Kits maybe purchased from your local dealer or Coway.  
This system has been tested for the treatment of water containing pentavalent arsenic (also know as As(V),  
As(+5), or arsenate) at concentrations of 0.050 mg/L or less. This system reduces pentavalent arsenic, but  
may not remove other forms of arsenic. This system is to be used on water supplies containing a detectable  
free chlorine residual at the system inlet or on water supplies that have been demonstrated to contain only  
pentavalent arsenic. Treatment with chloramines (combined chlorine) is not sufficient to ensure complete  
conversion of trivalent arsenic to pentavalent arsenic. Please see the Arsenic Facts section of this Performance  
Data Sheet for further information.  
Efficiency rating means the percentage of the influent water to the system that is available to the user as reverse  
osmosis treated water under operating conditions that approximate typical daily usage.  
The product water should be tested every 6 months to ensure that the contaminants are being reduced  
effectively. Please contact your local dealer or Coway to initiate this service.  
This reverse osmosis system contains a replaceable treatment components, 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 reverse osmosis component should be with one of identical specifications, as defined  
by the manufacturer, to assure the same efficiency and contaminant reduction performance.  
The estimated replacement time of filter, which is a consumable part, is not an indication of quality guarantee  
period, but it means the ideal time of filter replacement. Accordingly, the estimated time of filter replacement  
may be shortened in case it is used in an area of poor water quality.  
Model of Filter  
WJSF14-PLUS  
WJCF14-PRE  
WJMF14-50  
Type  
Usable period (months)  
COST US $  
32.00  
PLUS SEDIMENT FILTER  
PRE-CARBON FILTER  
RO MEMBRANE FILTER  
6
12  
24  
36.00  
145.00  
WJIF14  
/ WJFCF14-POST  
INNO SENSE FILTER  
/ FINE POST-CARBON FILTER  
18  
12  
47.00  
WJUVF-4W-PUMP  
ULTRA-VIOLET LAMP  
187.00  
ARSENiC FACTS  
Arsenic (abbreviated As) is found naturally in some well water. Arsenic in water has no color, taste or odor. It must  
be measured by a lab test. Public water utilities must have their water tested for arsenic. You can get the results  
from your water utility. If you have your own well, you can have the water tested. The local health department  
or the state environmental health agency can provide a list of certified labs. The cost is typically $15 to $30.  
Information about arsenic in water can be found on the Internet at the US Environmental Protection Agency  
website:  
There are two forms of arsenic: pentavalent arsenic (also called As(V), As(+5), and arsenate) and trivalent arsenic  
(also called As(III), As(+3), and arsenite). In well water, arsenic may be pentavalent, trivalent, or a combination of  
both. Special sampling procedures are needed for a lab to determine what type and how much of each type of  
arsenic is in the water. Check with the labs in your area to see if they can provide this type of service.  
Reverse osmosis (RO) water treatment systems do not remove trivalent arsenic from water very well. RO systems  
are very effective at removing pentavalent arsenic. A free chlorine residual will rapidly convert trivalent arsenic  
to pentavalent arsenic. Other water treatment chemicals such as ozone and potassium permanganate will also  
change trivalent arsenic to pentavalent arsenic. A combined chlorine residual (also called chloramine) may not  
convert all the trivalent arsenic. If you get your water from a public water utility, contact the utility to find out if free  
chlorine or combined chlorine is used in the water system.  
The CHP-04AL system is designed to remove pentavalent arsenic. It will not convert trivalent arsenic to pentavalent  
arsenic. The system was tested in a lab. Under those conditions, the system reduced 0.050 mg/L pentavalent  
arsenic to 0.010 mg/L (ppm) (the USEPA standard for drinking water) or less. The performance of the system may be  
different at your installation. Have the treated water tested for arsenic to check if the system is working properly.  
The RO component of the CHP-04AL system must be replaced every 24 months to ensure the system will  
continue to remove pentavalent arsenic. The component identification and locations where you can purchase the  
component are listed in the installation/operation manual.  
34  
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State of California  
Department of Public Health  
Water Treatment device  
Certificate Number  
08 - 1904  
Date Issued: June 24, 2008  
Trademark/model designation  
Replacement Element(s)  
Metro CHP-04AL  
WJSF14-PLUS Plus Sediment Filter  
WJCF14-PRE Pre-carbon Filter  
WJMF14-50 RO Membrane Filter  
WJFCF14-POST Post-carbon Filter  
WJUVF-4W-PUMP UV Bulb  
Manufacturer: Woongjin Coway Co LTD  
The water treatment device(s) listed on this certificate have met the testing requirements pursuant to Section 116830 of the Health  
and Safety Code for the following health related contaminants:  
microbiological Contaminants and Turbidity  
None  
inorganic/Radiological Contaminants  
Arsenic (Pentavalent)1  
Barium  
Cadmium  
Chromium (Hexavalent)  
Chromium (Trivalent)  
Lead  
Nitrate/Nitrite2  
Radium 226/228  
Selenium  
Organic Contaminants  
VOCs  
Alachlor  
Endrin  
Simazine  
Atrazine  
Benzene  
Carbofuran  
Carbon Tetrachloride  
Chlorobenzene  
Chloropicrin  
2,4-D  
DBCP  
o-Dichlorobenzene  
p-Dichlorobenzene  
1,2-Dichloroethane  
1,1-Dichloroethylene  
cis-1,2-Dichloroethylene  
trans-1,2-Dichloroethylene  
1,2-Dichloropropane  
cis-1,3-Dichloropropylene  
Dinoseb  
Ethylbenzene  
EDB  
Styrene  
1,1,2,2-Tetrachloroethane  
Tetrachloroethylene  
Toluene  
Haloacetonitriles (HAN)  
Bromochloroacetonitrile  
Dibromoacetonitrile  
Dichloroacetonitrile  
Trichloroacetonitrile  
Haloketones (HK)  
1,1-Dichloro-2-Propanone  
1,1,1-Trichloro-2-Propanone  
Heptachlor  
Heptachlor Epoxide  
Hexachlorobutadiene  
Hexachlorocyclopentadiene  
Lindane  
2,4,5-TP (Silvex)  
Tribromoacetic Acid  
1,2,4-Trichlorobenzene  
1,1,1-Trichloroethane  
1,1,2-Trichloroethane  
Trichloroethylene  
Trihalomethanes (THMs)  
Bromodichloromethane  
Bromoform  
Chloroform  
Chlorodibromomethane  
Xylenes  
Methoxychlor  
Pentachlorophenol  
Rated Service Capacity: 359 gal  
Rated Service Flow: 0.07 gpm  
do not use with water that is microbiologically unsafe or of unknown quality, without adequate disinfection  
before or after the system.  
1 Claims for arsenic reduction shall only be made on water supplies maintaining detectable residual free chlorine at the  
reverse osmosis (RO) system inlet. Water systems using an in-line chlorinator should provide a minimum of 1minute  
chlorine contact time before the RO system.  
2 This system is acceptable for treatment of influent concentrations of no more than 27 mg/L nitrate and 3 mg/L nitrite in  
combination measured as N and is certified for nitrate/nitrite reduction only for water supplies with apressure of 280 kPa  
(40 psig) or greater. A sampling and analysis test kit for nitrate is provided for checking the performance of this system.  
Frequent analysis is encouraged.  
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Water Filtration System Performance data Sheet  
brand: metro  
model: CHP-04AU  
This system has been tested and certified by the Water Quality Association according to NSF/ANSI 42, and 53 for  
the reduction of the substances listed below. The concentration of the indicated substances in water entering the  
system was reduced to a concentration less than or equal to the permissible limit for water leaving the system, as  
specified in NSF/ANSI 42 and 53  
Max. Allowable  
Concentration  
(mg/L)  
Minimum  
Percent  
Reduction (%)  
Average Influent Average Effluent  
Average Percent  
Reduction (%)  
Substance  
(mg/L)  
(mg/L)  
Aesthetic Chlorine  
INNOSENSE  
POST CARBON  
VOC*  
≥ 50%  
≥ 50%  
2.07  
1.96  
0.56  
0.53  
54.53  
55.0  
72.8  
72.8  
INNOSENSE  
POST CARBON  
≥ 95% reduction  
≥ 95% reduction  
0.327  
0.317  
0.0052  
0.005  
96.20  
96.2  
98.4  
98.5  
While testing was performed under laboratory conditions, actual performance may vary.  
General Operating information:  
359 gallons (for VOC)  
INNO SENSE FILTER  
7,523 gallons (for Aesthetic Chlorine)  
Rated Capacity  
402 gallons (for VOC)  
1,453 gallons (for Aesthetic Chlorine)  
POST-CARBON FILTER  
Min-Max operating pressure:  
10 ~ 120 psi (0.7 ~ 8.4 kgf/cm2)  
41 ~ 95 ºF (5 ~ 35 ºC)  
Min-Max feed water temperature:  
0.07 GPM (for VOC)  
0.5 GPM (for Aesthetic Chlorine)  
Rated Service Flow  
Electrical Requirements:  
120 Vac / 60Hz  
Do not use with water that is microbiologically unsafe or of unknown quality without adequate disinfection  
before or after the system.  
Refer to the owners manual for specific installation instructions, manufacturer’s limited warranty, user  
responsibility, and parts and service availability.  
For parts and service availability, please contact your local dealer or Coway.  
Model of Filter  
WJSF14-PLUS  
WJCF14-PRE  
Type  
Usable period (months)  
COST US $  
32.00  
PLUS SEDIMENT FILTER  
PRE-CARBON FILTER  
6
12  
36.00  
WJIF14  
/ WJCF14-POST  
INNO SENSE FILTER  
/ POST-CARBON FILTER  
18  
47.00  
WJMF14-UF  
UF MEMBRANE FILTER  
ULTRA-VIOLET LAMP  
12  
12  
59.00  
WJUVF-4W-PUMP  
187.00  
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* VOC Surrogate Claims  
Drinking water regulatory  
Influent challenge  
Chemical reduction  
percent  
Maximum product water  
concentration mg/L  
Chemical  
level1 (MCL/MAC) mg/L  
concentration2 mg/L  
alachlor  
atrazine  
0.002  
0.003  
0.005  
0.04  
0.005  
0.1  
0.050  
0.100  
0.081  
0.190  
0.078  
0.077  
0.015  
0.110  
0.052  
0.080  
0.040  
0.088  
0.083  
0.170  
0.086  
0.080  
0.079  
0.170  
0.053  
0.088  
0.044  
> 98  
> 97  
> 99  
> 99  
98  
0.0013  
0.0033  
0.0013  
0.0013  
0.00184  
0.0013  
0.00023  
0.00174  
0.000023  
0.0013  
0.0013  
0.00485  
0.0013  
benzene  
carbofuran  
carbon tetrachloride  
chlorobenzene  
> 99  
99  
chloropicrin  
-
2,4-D  
0.07  
0.0002  
0.6  
98  
dibromochloropropane(DBCP)  
o-dichlorobenzene  
p-dichlorobenzene  
1,2-dichloroethane  
1,1-dichloroethylene  
cis-1,2-dichloroethylene  
trans-1,2-dichloroethylene  
1,2-dichloropropane  
cis-1,3-dichloropropylene  
dinoseb  
> 99  
> 99  
> 98  
955  
0.075  
0.005  
0.007  
0.07  
0.1  
> 99  
> 99  
> 99  
> 99  
> 99  
99  
0.00053  
0.0013  
0.0013  
0.005  
-
0.0013  
0.007  
0.002  
0.7  
0.00024  
0.000594  
0.0013  
endrin  
99  
ethylbenzene  
> 99  
> 99  
ethylene dilbromide (EDB)  
0.00005  
0.000023  
haloacetonitriles (HAN):  
bromochloroacetonitrile  
dibromoacetonitrile  
dichloroacetonitrile  
trichloroacetoritrile  
-
-
-
-
0.022  
0.024  
0.0096  
0.015  
98  
98  
98  
98  
0.00053  
0.00063  
0.00023  
0.00033  
haloketones (HK):  
1,1-dichloro-2-propanone  
1,1,1-trichloro-2-propanone  
-
-
0.0072  
0.0082  
99  
96  
0.00013  
0.00033  
heptachlor (H-34,Heptox)  
heptachlor epoxide  
hexachlorobutadiene  
hexachlorocyclopentadiene  
lindane  
0.0004  
0.0002  
-
0.08  
0.01076  
> 99  
98  
0.0004  
0.00026  
0.0013  
0.0000023  
0.000013  
0.00013  
0.0013  
0.0043  
0.00053  
0.0013  
0.044  
> 98  
> 99  
> 99  
> 99  
> 99  
> 97  
> 99  
> 99  
> 99  
> 99  
99  
0.05  
0.0002  
0.04  
0.001  
0.004  
0.1  
0.060  
0.055  
methoxychlor  
0.050  
pentachlorophenol  
simazine  
0.096  
0.120  
styrene  
0.150  
1,1,2,2-tetrachloroethane  
tetrachloroethylene  
toluene  
-
0.081  
0.005  
1
0.081  
0.0013  
0.0013  
0.078  
2,4,5-TP (silvex)  
0.05  
-
0.270  
0.00164  
0.0013  
0.00053  
0.00464  
0.00053  
0.00103  
tribromoacetic acid  
1,2,4-trichlorobenzene  
1,1,1-trichloroethane  
1,1,2-trichloroethane  
trichloroethylene  
0.042  
> 98  
> 99  
95  
0.07  
0.2  
0.160  
0.084  
0.005  
0.005  
0.150  
0.180  
> 99  
> 99  
trihalomethanes (includes):  
chloroform (surrogate chemical)  
bromoform  
bromodichloromethane  
chlorodibromomethane  
0.080  
10  
0.300  
0.070  
95  
0.015  
xylenes (total)  
> 99  
0.0013  
1. These harmonized values were agreed upon by representatives of USEPA and Health Canada for the purpose of evaluating products to the requirements of  
this Standard.  
2. Influent challenge levels are average influent concentrations determined in surrogate qualification testing.  
3. Maximum product water level was not observed but was set at the detection limit of the analysis.  
4. Maximum product water level is set at a value determined in surrogate qualification testing.  
5. Chemical reduction percent and maximum product water level calculated at chloroform 95% breakthrough point as determined in surrogate qualification  
testing.  
6. The surrogate test results for heptachlor epoxide demonstrated a 98% reduction. These data were used to calculate an upperoccurrence concentration  
which would produce a maximum product water level at the MCL.  
Woongjin Coway.,Ltd.  
658, Yugu-Ri, Yugu Eub, Gongju-Si, Choongchungnam-Do, Korea  
Tel.: 82-41-850-7879 Fax.: 82-41-841-7816  
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MEMO  
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MEMO  
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MEMO  
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WARRANTy CARd OR WARRANTy lETTER  
ONE yEAR limiTEd WARRANTy  
WATER FiRTRATiON dEViCE CHP-04AR/l/U (“PROdUCT”)  
Model:  
Serial Number:  
Customer Name:  
Date of Purchase:  
(“OWNER”)  
What This Warranty Covers:  
Limitations and Exclusions:  
Commencing with the date of purchase of the  
Product and continuing for a period of one year,  
if manufacturing defects in the Product cause the  
Product to not operate properly for its intended  
use, then subject to the exclusions, conditions, and  
limitations contained herein, COWAY at its sole  
option will repair or replace the Product.  
TO THE EXTENT PERMITTED BY APPLICABLE LAW,  
COWAY DISCLAIMS ANY OTHER WARRANTY  
EXPRESS OR IMPLIED, THAN THAT PROVIDED  
FOR HEREIN. THIS WARRANTY IS IN LIEU OF AND  
EXCLUDES ALL OTHER WARRANTIES, GUARANTEES,  
CONDITIONS AND REPRESENTATIONS, EXPRESS  
OR IMPLIED, ORAL OR WRITTEN, STATUTORY OR  
OTHERWISE, INCLUDING BUT NOT LIMITED TO  
ANY IMPLIED CONDITIONS OR WARRANTIES AS  
TO THE MERCHANTABILITY OR FITNESS FOR A  
PARTICULAR PURPOSE OF THE COWAY PRODUCT.  
SOME STATES DO NOT ALLOW LIMITATIONS ON  
HOW LONG AN IMPLIED WARRANTY LASTS, SO  
THE ABOVE LIMITATION MAY NOT APPLY TO YOU.  
COWAY DOES NOT AUTHORIZE ANY PERSON  
INCLUDING ITS REPRESENTATIVES, TO MAKE ANY  
REPRESENTATION OR TO OFFER ANY WARRANTY,  
CONDITION OR GUARANTY IN RESPECT OF THE  
PRODUCT OTHER THAN THIS WARRANTY. THIS  
LIMITED WARRANTY SHALL BE THE OWNER’S  
SOLE AND EXCLUSIVE REMEDY AGAINST  
COWAY AND COWAY SHALL NOT BE LIABLE FOR  
ANY CONSEQUENTIAL, EXEMPLARY, SPECIAL,  
INCIDENTAL OR OTHER DAMAGES INCLUDING,  
BUT NOT LIMITED TO, LOSS OF PROFITS, AND  
LOSS OF USE. INCIDENTAL, CONSEQUENTIAL  
AND EXEMPLARY DAMAGES SHALL NOT BE  
RECOVERABLE EVEN IF THE REMEDIES OR THE  
ACTIONS PROVIDED FOR IN THIS WARRANTY FAIL  
OF THEIR ESSENTIAL PURPOSE. SOME STATES DO  
NOT ALLOW THE EXCLUSION OR LIMITATION OF  
INCIDENTAL OR CONSEQUENTIAL DAMAGES, SO  
THE ABOVE LIMITATION OR EXCLUSION MAY NOT  
APPLY TO YOU. COWAY SHALL NOT BE LIABLE  
FOR ANY DAMAGES WHICH ARE BASED UPON  
NEGLIGENCE, BREACH OF WARRANTY, STRICT  
LIABILITY OR ANY OTHER LEGAL THEORY OF  
LIABILITY OTHER THAN THE EXCLUSIVE LIABILITY  
SET FORTH IN THIS WARRANTY  
Decisions as to the extent of repair or replacement  
required will be made solely by COWAY.  
The remedy under this Warranty is available only  
for that portion of the Product exhibiting defects  
at the time of the warranty claim. The replacement  
Product as well as any remaining original Product  
will be warranted only for the original one year  
warranty period. This limited warranty applies  
only to Product used for an application specified  
by COWAY for the Product and applied in strict  
accordance with COWAY published specifications  
in effect at the time of application. IF PRODUCT IS  
USED FOR OTHER THAN ITS INTENDED PURPOSE,  
IT IS SOLD AS IS AND WITHOUT ANY EXPRESS  
OR IMPLIED WARRANTIES, INCLUDING OF  
MERCHANTABILITY OR FITNESS FOR A PARTICULAR  
PURPOSE.  
What This Warranty Does Not Cover:  
This Warranty warrants that the Product will be  
free from manufacturing defects which affect the  
ability of the Product to operate for its intended  
use; it is not a warranty that the Product will never  
require repairs or to undertake responsibilities,  
liabilities or obligations other than those  
specifically identified in the preceding section.  
COWAY is not responsible or liable for personal  
injury or property damage of any kind, even if  
arising from a breach of this Warranty.  
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Limitations on Implied Warranties:  
Waiver:  
Any implied warranty of merchantability or  
fitness for a particular purpose or use, shall be  
limited to the duration of the foregoing express  
written warranty.  
COWAY’s failure at any time to enforce or rely  
upon any of the terms or conditions stated  
herein shall not be construed to be a waiver of  
its rights hereunder.  
Conditions of Warranty:  
Obtaining Warranty Service and OWNER’S  
Duties:  
COWAY’s continuing liability under this  
Warranty is conditioned upon the following :  
a) The defect or damage is not caused  
by or is the result of : abnormal use or  
If the Product fails to operate for its  
intended purpose, then notify Coway or its  
Representative Agency within 48 hours or  
within the next business day after discovery  
of any defect in the Product. The OWNER must  
give written notice to COWAY no later than  
thirty (30) days after a defect is discovered or  
should by reasonable diligence have been  
discovered. Claims under this Warranty will  
require proof of purchase by the OWNER.  
conditions; improper storage, unauthorized  
modifications or repair; misuse, neglect,  
accident, alteration, improper installation or  
other acts that are not the fault of Coway or  
the manufacturer of the product or that are  
not covered by the manufacturer’s warranty;  
b) The Product has not been altered, modified  
or repaired without prior written approval of  
COWAY;  
c) The OWNER has notified COWAY in writing  
of any failure of the Product covered by this  
Warranty within thirty (30) days following  
such failure;  
d) There has been no misuse, abuse or  
negligence with respect to the Product on  
the part of the OWNER.  
USA  
Add :  
WOONGJIN COWAY USA, INC.  
695 SOUTH VERMONT, STE. 110(SOUTH TOWER) LOS ANGELES, CA 90005, USA  
Call Center : (213) 386-9900 / (213) 480-1600  
FAX :  
(213) 386-3990  
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MADE IN KOREA  
001  
1210107  
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