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Coway CHP-671R/L, Service Manual, Page: 56 / 74

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Coway CHP-671R/L Service Manual Download Page 56

Exploded view and parts list

5-3

Coway co., Ltd

No.

Description

Remark

26

TANK-MAIN ASSY

27

SENSOR-CTS WATER LEVEL L

Over flow

28

SENSOR-CTS WATER LEVEL K

Full water level

29

SENSOR-CTS WATER LEVEL J

Middle water level

30

SENSOR-CTS WATER LEVEL I

Low water level

31

SENSOR-COLD WATER THERMAL

32

INSULATION-MAIN TANK A 

33

BRACKET-HEATING TANK ASSY 

34

CONNECTOR-COLD WATER DRAIN ASSY 

35

CONNECTOR-HOT WATER DRAIN ASSY 

36

HEATING TANK ASSY

37

COMPRESSOR ASSY

38

PLATE-BASE DW ASSY 

39

COVER-REAR

40

CONDENSER-WIRE ASSY

41

COVER-REAR

42

COVER-SIDE L ASSY

43

COVER-SIDE R ASSY

Summary of Contents for CHP-671R/L

Page 1: ...CHP 671R L...

Page 2: ......

Page 3: ...t 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 PBA AS...

Page 4: ...agram 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 in...

Page 5: ...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 redu...

Page 6: ...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 op...

Page 7: ...e 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...

Page 8: ...MEMO 1 4 Coway co Ltd...

Page 9: ...anks 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 so...

Page 10: ...ose 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 wi...

Page 11: ...Product installation Coway co Ltd 2 3 Explanation Reference picture 5 Open the feed valve to supply water to the filtration system...

Page 12: ...instruction for installation Connect the orange color inlet tubing 1 to the tap water supplying pipe Connect the outlet tubing 2 Inlet tubing Orange Outlet tubing Blue 2 1 Main water supply valve Vol...

Page 13: ...ld 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...

Page 14: ...t 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 devic...

Page 15: ...on 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 t...

Page 16: ...MEMO 2 8 Coway co Ltd...

Page 17: ...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 co...

Page 18: ...ng 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...

Page 19: ...td 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 separat...

Page 20: ...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 Re...

Page 21: ...escription Reference picture 2 Filter 1 Use a screwdriver to remove fittings connected to the filter 2 Remove the filter in the direction of the arrow 3 Tray 1 Remove the tray in the direction of the...

Page 22: ...er ASSY 1 Remove the 4 screws from the cover front upper ASSY 4 THT 4X10 2 Remove the cover front upper ASSY in the direction of the arrow Change the deco multifaucet ASSY to the cold water location a...

Page 23: ...o Part name Description Reference picture 2 PBA front ASSY 1 Remove the 2 screws from the cover front PBA 2 THT 4X12 2 Remove the PBA front ASSY in the direction of the arrow 3 Deco multifaucet ASSY 1...

Page 24: ...Part name Description Reference picture 1 PBA ASSY 1 Remove the cover front PBA in the direction of the arrow 2 Remove all connectors connected to the PBA ASSY 3 Remove the 2 screws from the case PBA...

Page 25: ...re 1 PBA ASSY 5 Remove the 2 screws from the PBA SMPS 2 THT 4X10 2 Sensor capacitance water level 1 Use a screwdriver to remove the fittings 2 Use a screwdriver to remove the sensor capacitance water...

Page 26: ...ption Reference picture 3 Faucet cold purified 1 Use a screwdriver to remove hoses connected to the faucet cold purified water 2 Remove the 2 screws from the faucet cold purified water 2 THT 4X12 3 Re...

Page 27: ...Description Reference picture 4 Faucet hot water ASSY 1 Remove the 2 screws from the faucet hot water ASSY 2 THT 4X12 2 Remove the faucet hot water ASSY in the direction of the arrow 5 Bracket faucet...

Page 28: ...the sealant and then remove the 1 screw from the sensor cold water temperature sensor THT 4X10 STS430 2 Remove the sensor cold water temperature sensor in the direction of the arrow 7 Connector drain...

Page 29: ...escription Reference picture 8 Valve feed NOS ASSY 1 Use a screwdriver to remove fittings connected to the valve feed NOS ASSY 2 Remove the 1 screw from the valve feed NOS ASSY THT 4X12 9 Bracket filt...

Page 30: ...r ASSY separation No Part name Description Reference picture 1 Cover rear 1 Remove the 6 screws from the cover rear 4 THT 4X10 2 PHT 6X18 2 Power cord 1 Remove the 1 screw from the power cord PHT 3X8...

Page 31: ...and refitting Coway co Ltd 3 15 No Part name Description Reference picture 3 Cover side ASSY 1 Remove the 8 screws from the cover side L ASSY 8 THT 4X10 2 Remove the 8 screws from the cover side R AS...

Page 32: ...MEMO 3 16 Coway co Ltd...

Page 33: ...usehold supply power Connect connector properly Power is irregular or 0 V Check SMPS output voltage DC 24 V DC 5 V Check socket wiring connection malfunction or power failure Check and replace SMPS FU...

Page 34: ...Fault diagnosis 4 2 Coway co Ltd FND cable access malfunction PBA power circuit malfunction Check and replace FND cable Check and replace MAIN PBA Is the FND cable connection OPEN Is the PBA MICOM vol...

Page 35: ...xiliary wire wound resistance 0 or malfunction COMP Replacement Is the socket power voltage within rated voltage COMP Is the cable contact normal Is the FND cold water temperature display lamp flashin...

Page 36: ...way co Ltd Normal if OLP current flows PTC 22 normal Check and replace COMP 0 V malfunction when checking connector Check and replace MAIN PBA Are the OLP and PTC normal COMP While COMP is operating I...

Page 37: ...e hot water sensor Is the socket power voltage within rated voltage Is the heater cable contact normal Is the FND hot water temperature display lamp flashing Is the hot water temperature sensor normal...

Page 38: ...er resistance is 0 Bimetal current flow normal Check and replace heater Check and replace bimetal Faulty MAIN PBA Check and replace MAIN PBA Is the heater resistance 88 1 5 8 Is the bimetal normal Is...

Page 39: ...eplace after verifying Is the socket power voltage within rated voltage Are the water cutoff and water supply valves normal Are the water pipes connected according to specifications Is the SMPS second...

Page 40: ...area 5 V when not detected Check and replace water level sensor Is the water level sensor normal Feed NOS valve when room temperature water conditions are normal DC 24 0 volts Check and replace MAIN...

Page 41: ...ion status is detected and displayed on the FND If power is connected after installing the product FND is displayed depending on the sensor conditions and standby is maintained FND display status init...

Page 42: ...e heater only operates if low water level is detected The heater does not operate if there is a water level sensor error or low water level is not detected FND display status H1 always kept ON H2 H3 O...

Page 43: ...and heater operate according to hot water temperature Hot water temperature sensor overheating function If the hot water sensor reaches 99 C or more the heater is cut off and H1 H2 H3 flash on the dis...

Page 44: ...ss of changes in temperature If the temperature becomes 7 8 C compressor ON temperature or more the 20 minutes delayed operation is canceled COOL selection switch ON The COOL function is selected if t...

Page 45: ...ssor output is OFF Cold water temperature sensor short FND s C3 flashes in cycles of 1 second ON 1 second OFF C1 C2 are off Compressor output is OFF Cold water temperature sensor overcooling If the co...

Page 46: ...ction operates as follows If the compressor operates continuously for 150 minutes its output is turned OFF for 5 minutes regardless of cold water temperature to prevent overcooling or ice formation Af...

Page 47: ...Segment ON OFF C3 5 7 C 123 045 k 7 8 C 111 344 k C2 9 0 C 105 224 k 11 5 C 93 649 k C1 Always ON The above data may vary depending on the method of calculation with figures by simple computation Tem...

Page 48: ...Display operation Water overflow detection status Water sensor FND L1 L2 L3 0 5 second ON OFF periodic flashing Water level sensor malfunction Low water malfunction Low water FND L1 0 5 second ON OFF...

Page 49: ...ted Not detected OFF OFF Blink Close Open Full water level detection malfunction 8 Not detected Detected Not detected Not detected Blink OFF OFF Blink OFF Close Open Low medium water level detection m...

Page 50: ...essed after initial power connection test mode is not entered Cold water hot water water level upper bar flashes upper middle flashes upper middle lower flashes upper middle flashes upper bar flashing...

Page 51: ...t entered If the temperature LEVEL setting mode is entered both compressor heater operation controlled by the MAIN PBA are stopped Temperature setting cold hot water FND both flash Initially factory s...

Page 52: ...operation 9 5 C 102 786 k Stage 2 C1 flashing 9 0 C 105 224 k 20 minutes delayed operation 11 5 C 93 649 k Stage 1 Each time the temperature LEVEL changes the set mode is immediately saved If power is...

Page 53: ...MEMO Coway co Ltd 4 21...

Page 54: ...view and parts list 5 1 Coway co Ltd 5 Exploded view and parts list 5 1 Exploded view and parts list This document is Coway s technical property Only the person approved by the company may use this d...

Page 55: ...ILICONE H T DRAIN 9 FAUCET HOT WATER ASSY 10 DECO MULTI FAUCET ASSY 11 FAUCET COLD ROOM WATER 12 BRACKET FAUCET 13 COVER FRONT PBA 14 CASE MAIN PBA ASSY 15 VALVE FEED NOS 16 SEDIMENT FILTER PLUS 14INC...

Page 56: ...ATER LEVEL J Middle water level 30 SENSOR CTS WATER LEVEL I Low water level 31 SENSOR COLD WATER THERMAL 32 INSULATION MAIN TANK A 33 BRACKET HEATING TANK ASSY 34 CONNECTOR COLD WATER DRAIN ASSY 35 CO...

Page 57: ...Debug CHP 671 POWER PBA Display PBA CHP 671 MAIN PBA FP1 T3 15 A 250 V FH1 FUSE 10 A 250 V CN2 CN1 CN19 Voltage rating that matches it on the rating plate CN15 CN13 CN17 CN18 CN14 CN5 CN8 CN16 CN3 CN...

Page 58: ...in Cool Room Drain Cool Room Water Hot Water Antibacterial Filter Pre Carbon Plus Sediment Membrane Filter RO Plus Inno sense Filter CHP 671L Hand Valve Feed Water Reject Water Reject Water supply Val...

Page 59: ...y co Ltd 6 3 6 3 PBA location diagram 6 3 1 MAIN PBA 1 CN16 SMPS Pin No Signal 1 GS 2 5 V 3 GS 4 GS 5 24 V 6 24 V 2 CN19 AC IN Pin No Signal 1 Voltage rating that matches it on the rating plate 2 3 CN...

Page 60: ...GNAL 0 CN6 LEVEL SENSOR OVER Pin No Signal 1 GS 2 5 V 3 SIGNAL 5 CN17 BOOST PUMP Option Pin No Signal 1 GS 2 24 V 8 CN10 LEVEL SENSOR MIDDLE Pin No Signal 1 GS 2 5 V 3 SIGNAL CN4 COOL SENSOR Pin No Si...

Page 61: ...o Ltd 6 5 CN2 DISPLAY Pin No Signal 1 SIGNAL 2 GS 3 SIGNAL1 SOURCE 4 SIGNAL2 SOURCE 5 SIGNAL3 SOURCE 6 SIGNAL4 SOURCE 7 SIGNAL5 SOURCE 8 SIGNAL6 SOURCE 9 SIGNAL1 SINK 10 SIGNAL2 SINK 11 SIGNAL3 SINK 1...

Page 62: ...RONT PBA 1 CN1 DISPLAY Pin No Signal Pin No Signal 1 SIGNAL 9 SIGNAL1 SINK 2 GS 10 SIGNAL2 SINK 3 SIGNAL1 SOURCE 11 SIGNAL3 SINK 4 SIGNAL2 SOURCE 12 SIGNAL4 SINK 5 SIGNAL3 SOURCE 13 5 V 6 SIGNAL4 SOUR...

Page 63: ...location diagrams Coway co Ltd 6 7 6 3 3 SMPS PBA 1 CN2 OUT PUT MAIN PBA Pin No Signal 1 GS 2 5 V 3 GS 4 GS 5 24 V 6 24 V 2 CN1 AC IN Pin No Signal 1 Voltage rating that matches it on the rating plate...

Page 64: ...MEMO 6 8 Coway co Ltd...

Page 65: ...rence information Coway co Ltd 7 1 7 Reference information 7 1 Names of each part Front Cold Room water Changeover Faucet Indicators Front Draining Door Front Cover Gutter Hot water Faucet Cup touch L...

Page 66: ...Reference information 7 2 Coway co Ltd Rear Top Cover Rear Cover Power Cord Outlet Blue CHP 671R L Inlet Orange...

Page 67: ...1 Hot water mode selection button Hot water temperature indicator The indicator is turned on according to the hot water temperature The more light the hotter the water 2 Cold water temperature indica...

Page 68: ...turned on Water level indicator The indicator is turned on according to the water level in the storage tank Basically one bar is turned on No Operation part Name Explanation Hot water mode selection b...

Page 69: ...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 Explanation Reference picture 1 Press the hot water mode...

Page 70: ...rce water Filter name Membrane filter RO Material Polysulfone polyamide Function The membrane filter RO removes pollutants such as heavy metals microorganisms inorganic ions and organic matter from th...

Page 71: ...drolysis of membrane filter and to absorb harmful organic chemicals from feed water STEP 3 RO MEMBRANE FILTER RO membrane filter has the function to remove water contaminants such as heavy metals wate...

Page 72: ...RE CARBON FILTER RO MEMBRANE FILTER ANTIBACTERIAL FILTER PLUS INNO SENSE FILTER Reject Water Outlet Uses of reject water The reject water should be used for cleaning the restroom the house clothes or...

Page 73: ...MEMO Coway co Ltd 7 9...

Page 74: ...MEMO 7 10 Coway co Ltd...

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