Coway CHP-671R/L User manual

CHP-671R/L

CHP-671R/L

Table of Contents
1. Product characteristics and specifications
1-1 Product characteristics.....................................................................................1-1
1-1-1 Major Part Characteristics....................................................................1-2
1-2 Specifications...................................................................................................1-3
2. Product installation
2-1 Installation method...........................................................................................2-1
2-1-1 Precautions on installation...................................................................2-1
2-1-2 Installing the product............................................................................2-2
2-2 How to use.......................................................................................................2-5
3. Disassembling and reassembling
3-1 Disassembling and reassembling the product.................................................3-1
3-1-1 Draining water before disassembling the product................................3-1
3-1-2 Cover-top ASSY separation.................................................................3-2
3-1-3 Cover-front lower ASSY separation .....................................................3-4
3-1-4 Cover-front upper ASSY separation.....................................................3-6
3-1-5 PBAASSY separation..........................................................................3-8
3-1-6 Cover-rear ASSY separation................................................................3-14
4. Fault diagnosis
4-1 Checking faults by symptoms..........................................................................4-1
4-1-1 Power malfunction................................................................................4-1
4-1-2 Cooling malfunction..............................................................................4-3
4-1-3 Hot water malfunction ..........................................................................4-5
4-1-4
Room temperature water malfunction and water overflow malfunction ...4-7
4-2 Control specifications.......................................................................................4-9
5. Exploded view and parts list
5-1 Exploded view and parts list ............................................................................5-1

Table of Contents
6. Parts location diagrams
6-1 Electrical wiring diagram..................................................................................6-1
6-2 Water piping diagram.......................................................................................6-2
6-3 PBA location diagram.......................................................................................6-3
6-3-1 MAIN PBA............................................................................................6-3
6-3-2 FRONT PBA.........................................................................................6-6
6-3-3 SMPS PBA...........................................................................................6-7
7. Reference information
7-1 Names of each part..........................................................................................7-1
7-2 Functions and reference information ...............................................................7-3
7-2-1 Explanation of operation and indication parts
(Indication Part / Operation Part).................................................7-3
7-2-2 Types and functions of filters................................................................7-6
7-2-3 Water Filtration Process.......................................................................7-7

Product characteristics and specifications
Coway co., Ltd
1-1
1. Product characteristics and specifications
1-1 Product characteristics
Cold and hot water stage indicator
Front draining system
It is convenient as it can drain the cold water / room water /
hot water from the front side without moving the product when you
open the front draining door.
Fine carbon particle reduce
At the last stage of the filtration, Plus Inno-sense filter is applied to
reduce carbon particles that sometimes come from the post carbon
filter.
Mass gutter applying
It doesn’t need the extra secondary draining tank as it applies the
mass gutter and it is convenient as it can extract the room water
with a big vessel directly.

Product characteristics and specifications
1-2
Coway co., Ltd
1-1-1 Major Part Characteristics
Part Name FEED valve / NOS valve (for safety cutoff)
Use Source water entry and safety cutoff function
Operation
principles
Opens and closes the flow path when full water signals from the low water level/full
water level sensor and overflow sensor are detected to stop entry of source water
in two ways.
Part Name Low water level / Medium water level / Full water level sensor (capacitance sensor)
Use Water level detection in the room-temperature water tank
Operation
principles Detects the room-temperature water tank level in three stages and adjusts room- temperature water operation through the FEED valve.
Part Name Overflow sensor (capacitance sensor)
Use Water level detection in the room-temperature water tank
Operation
principles Operates the NOS valve to cut off room-temperature water when the water overflow sensor detects an overflow in the room-temperature water tank.
Major Part Characteristics
Parts Standard ratings and specifications Remarks
Feed Valve / NOS Valve • Volts:DC24V
• AMPS:210mA
Compressor • Refertotheratingplate.

Product characteristics and specifications
Coway co., Ltd
1-3
1-2 Specifications
Basic specifications
Model CHP-671R CHP-671L
Filtration Method RO(ReverseOsmosis)
Power Supply Refertotheratingplate.
Tank Capacity
Room Water 11.5 L
Cold Water 6L
Hot Water 3.6L
Total 21.1 L
Dimension 370mm(W)×490mm(D)×1257mm(H)
Working Temperature 5°C-35°C(41°F-95°F)
Production Rate 282L/d(25°C,0.41Mpa) 189L/d(25°C,0.14Mpa)
Working Pressure 69kPa–827kPa 137kPa–827kPa
Net Weight 34.8kg 32.8 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.

MEMO
1-4
Coway co., Ltd

Product installation
Coway co., Ltd
2-1
2. Product installation
2-1 Installation method
2-1-1 Precautions on installation
Precautions
• Thispurifier'stankcapacityissuitableforbusinessuse.
• Installtheproductbasesoitisevenandfirmlyinplace.
• Donotinstallindirectsunlight,inplaceswherethetemperaturedropsbelowzero,
orinveryhumidplaces.
• Checktheproductmanualagainbeforereinstallingormovingthepurifier.
• Onlyconnectthepowercordtothevoltageratingthatmatchesitontherating
plate.Checkthevoltagebeforeconnectingthepowercordtothewalloutlet.
• Thesourcewaterhosemustbeconnectedtoacoldwaterpipe.
- Thefiltermaybedamagedifconnectedtohotwaterof40°Corhotter.
• Immediatelyafterinstallation,disposeofatleasttwofulltanksofstoredwater
whilethestoragetankisfullbeforeusingthepurifier.
• Usenewfiltersonlyafterwashing.(DuringinstallationandA/Sexchange)
- Plussedimentfilter:Installafterwashingwithsourcewaterforabout
10seconds.
- Pre-carbonfilter:Installinreverseandinstallafterwashingwithsourcewater
forabout3minutes.
- Membrane(RO)filter:Installthefilteredwatervalveafterwashingwithsource
waterforabout5minutes.
- Nanotrap(R)filter:Installafterwashingwithsourcewaterforabout3minutes.
- PlusInno-Sensefilter:Installwithnoseparateflushing.
- PlusInno-Sensefilter(D):Installwithnoseparateflushing.
Installation
water pressure
• Thesourcewaterpressuremustbeatleast138kPaforthewatervolumeand
watersystemtooperatesmoothly.
Installation
distance
• Sourcewaterpressureof138kPaorless:Installwithinaheightof3manda
distanceof5m.
• Sourcewaterpressureof138kPaormore:Installwithinaheightof3manda
distanceof25m.

Product installation
2-2
Coway co., Ltd
2-1-2 Installing the product
The summary for the proper installation of the water filtration device
Explanation Reference picture
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.

Product installation
Coway co., Ltd
2-3
Explanation Reference picture
5. Openthefeedvalvetosupplywatertothefiltration
system.

Product installation
2-4
Coway co., Ltd
Follow the instruction for installation
Connect the orange color inlet tubing 1to the tap water
supplying pipe. Connect the outlet tubing 2.
Inlet tubing (Orange)
Outlet tubing(Blue)
2
1
Main water
supply valve
Voltage rating that
matches it on the
rating plate.

Product installation
Coway co., Ltd
2-5
2-2 How to use
To drink the cold water
Explanation Reference picture
1. Youcandrinkthecoldwaterwhenyouturnthejog
shuttletotherightincoldwater/roomwaterchangeover
faucetandpushingthecup-touchlever.
Onlyconnectthepowercordtothevoltageratingthatmatchesitonthe
ratingplate.
• Ifthecoldwaterdoesn’tcomefromthewaterfiltrationdevice,checkifthecoldwater
modeindicatoristurnedon.

Product installation
2-6
Coway co., Ltd
To drink the hot water
Explanation Reference picture
1. 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.

Product installation
Coway co., Ltd
2-7
To drink the room water
Explanation Reference picture
1. Youcandrinktheroomwaterwhenyouturnthejog
shuttletotheleftincoldwater/roomwaterchangeover
faucetandpushthecup-touchlever.

MEMO
2-8
Coway co., Ltd

Disassembling and refitting
Coway co., Ltd
3-1
3. Disassembling and reassembling
3-1 Disassembling and reassembling the product
3-1-1 Draining water before disassembling the product
No. Part name Description Reference picture
1 Drain hose 1) Push the drain hose with your
hand to open.
2) Open the drain connector cap.
3) Open the drain connector cap.
4) Connect the drain hose and then
completely drain water.

Disassembling and refitting
3-2
Coway co., Ltd
3-1-2 Cover-top ASSY separation
No. Part name Description Reference picture
1 Cover-top 1) Remove the cover-top in the
direction of the arrow.
2) Remove the silicon hose -
overheating.

Disassembling and refitting
Coway co., Ltd
3-3
No. Part name Description Reference picture
1 Cover-top 3) Detach the 6 clips for the cap-main
tank ASSY.
4) Remove the anti-bacterial filter
ASSY in the direction of the arrow.
5) Remove the separator ASSY in the
direction of the arrow.

Disassembling and refitting
3-4
Coway co., Ltd
3-1-3 Cover-front lower ASSY separation
No. Part name Description Reference picture
1 Cover-front
lower ASSY 1) Push the drain hose with your hand to open.
2) Remove the 1 screw from the
cover-front lower ASSY.
: M 4X10
3) Remove the cover-front lower
ASSY in the direction of the arrow.