Coway P-220L Service Manual Download Page 34 | Manualshive

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Troubleshooting

5-2

Coway co., Ltd

A

The FND cable connection is

not properly connected.

Yes

Check the FND cable and

replace it if necessary.

No

The PBA power circuit is not

properly connected.

No

Check and replace the PBA if

necessary.

Is the FND cable

connection open?

Is the voltage of the

Micom PBA DC 5 V?

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Summary of Contents for P-220L

Page 1: ...P 220R L ...

Page 2: ......

Page 3: ...n 3 2 3 2 2 Installing the product 3 4 3 3 How to use 3 5 4 Disassembling and refitting 4 1 Disassembling and refitting information 4 1 4 1 1 Disassembling and refitting information 4 1 4 1 2 Necessary tools 4 1 4 2 Disassembling and reassembling the product 4 2 4 2 1 Disassembling the Top Cover Assembly 4 2 4 2 2 Disassembling the Filter Assembly 4 5 4 2 3 Disassembling the Main PBA Assembly 4 6 ...

Page 4: ... Electrical wiring diagram 7 1 7 2 Cable Specification 7 2 7 3 Water piping diagram 7 4 7 3 1 P 220R 7 4 7 3 2 P 220L 7 4 7 4 PBA location diagram 7 5 7 4 1 MAIN PBA 7 5 7 4 2 SMPS PBA 7 7 8 Circuit diagrams 8 1 MAIN PBA 8 1 8 2 SMPS PBA 8 2 9 Reference information 9 1 Names of each part 9 1 9 2 Functions and reference information 9 2 9 2 1 Types and functions of filters 9 2 9 2 2 Water Filtration...

Page 5: ... electric shock or fire may occur as a result 6 Unplug the unit before repair inspection or parts replacement Otherwise electric shock may occur as a result 7 Do not plug into an outlet or power strip that is being used by several other appliances Use an outlet dedicated to the unit Otherwise fire may occur as a result 8 Do not attempt to repair or modify the power cord Otherwise electric shock or...

Page 6: ...malfunction may occur as a result 5 Use tap water as feed water 6 Do not connect the water inlet to the hot water supply pipe This may result in a problem with the product or an accident Make sure to connect it to the cold water supply pipe 7 Make sure that the feed water inlet hose connected to the product from the feed water supply valve is 5m or less Failing to do so may result in a performance...

Page 7: ...ce again before use 3 In order to have clean potable water replace filters regularly If filters are overused beyond their service life the quality of the purified water may deteriorate 4 Keep the surrounding area neat and clean the insides of the water tank once every two months 5 Do not place a heavy object or exert excessive pressure on the top of the product 6 Do not exert excessive shock on th...

Page 8: ...r damage deformation or deterioration of the power plug and the electric outlet If any abnormality is found repair or replace the power plug or electric outlet to prevent electric shock or fire 2 During the service completely remove dust or foreign materials from electrical units wiring units and connections It is to prevent fire caused by short circuit 3 Check whether there is moisture on the ele...

Page 9: ... defective reassemble the unit 2 Make sure that internal electrical wiring is not touching sharp parts of moving parts or electrical equipment Otherwise product malfunction short circuit or fire may occur as a result 3 Connect the electricity and check that the unit operates properly before let the consumer use the product Make sure to inform the consumer of the malfunction and repair details ...

Page 10: ...1 6 Coway co Ltd MEMO ...

Page 11: ...tion preventing the secondary pollution Fixed quantity extraction function This is convenient as users can extract an exact amount of water for approximately 1 minute preventing the secondary pollution preventing the secondary pollution Sealed bucket for preventing the secondary pollution It is the hygienic by applying the extra sealed structure to the storage tank to prevent the secondary polluti...

Page 12: ...04 mm D X 400 mm H Net Weight 8 5 kg 6 3 kg Effective Water Amount 6 600 L Production Rate 76 8 L d 25 C 138 kPa Working Pressure 69 kPa 827 kPa 138 kPa 827 kPa Working Temperature 5 C 35 C 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 p...

Page 13: ...Product characteristics and specifications Coway co Ltd 2 3 2 3 Dimensions P 220R L 235 mm W X 404 mm D X 400 mm H 404 235 404 400 ...

Page 14: ...2 4 Coway co Ltd MEMO ...

Page 15: ...Product installation Coway co Ltd 3 1 3 Product installation 3 1 Installation materials 3 1 1 Parts Accessories Items Remark Drain Hose Antibacterial Filter ...

Page 16: ...tion distance from the tap water supply If the tap water pressure is 137 kPa or less The height should be less than 3 m and the distance should be less than 5 m If the tap water pressure is 137 kPa or more The height should be less than 3 m and the distance should be less than 25 m Do not install the system in a location exposed to direct sunlight freezing temperatures or excessive moisture If the...

Page 17: ...to prevent damage to the block Membrane filter RO Close the valve feed water valve of the installation adapter Separate the product and the feed water line Connect the tube connected to the installation adapter to the filter to be flushed Install the non potable water valve to the membrane filter It is installed by default Open the feed water valve to flush the filter 5 min Membrane filter UF Clos...

Page 18: ...ain water supply valve voltage rating that matches it on the rating plate Main water supply valve voltage rating that matches it on the rating plate Connect the orange color inlet tubing 1 to the tap water supplying pipe Connect the outlet tubing P 220R L 2 Inlet tubing Orange Outlet tubing Blue P 220R L 2 1 ...

Page 19: ...ount of water If you press the fixed quantity extraction button the water bottle is filled with a fixed amount of water for approximately 1 minute Press the fixed quantity extraction button again to stop the water extraction 2 To extract water Push the cup touch lever of the faucet to extract filtrated water Only connect the power cord to the voltage rating that matches it on the rating plate ...

Page 20: ...3 6 Coway co Ltd MEMO ...

Page 21: ... touching the ground perform the job on a working cloth Without the working cloth the product may get scratches Safety checking after the service Check that screws parts and wiring are in their original positions Check that the wire coverings are not damaged After refitting check that the water purification works Check the tubing for water leaks Check that all switches operate normally After the s...

Page 22: ...embly No Part names Description Reference picture 1 Water Vessel Assembly 1 Separate the Water Vessel Assembly by pulling it in the direction of the arrow in the figure 2 Top Cover Assembly 1 Separate the Top Cover Assembly by pulling it in the direction of the arrow in the figure 2 Separate the clip of the Main Tank Cap Assembly ...

Page 23: ...ulling it in the direction of the arrow as shown in the figure 4 Separate the Antibacterial Filter by pulling it in the direction of the arrow as shown in the figure 3 Front Cover Assembly 1 Remove the 2 screws from the Front Cover Assembly 2 THT 4X12 2 Separate the Front Cover Assembly by pulling it in the direction of the arrow as shown in the figure ...

Page 24: ... refitting 4 4 Coway co Ltd No Part names Description Reference picture 3 Front Cover Assembly 3 Separate the connector connected to the Front Cover Assembly 4 Remove the 4 screws from the Front PBA Assembly 4 THT 4X12 ...

Page 25: ... Description Reference picture 1 Filter 1 Remove the 2 screws from the Side Door R Assembly 2 THT 4X10 2 Separate the Auto Drain Control Valve using a flat head screwdriver and remove the fitting from the filter 3 Separate the filter by pulling it in the direction of the arrow as shown in the figure ...

Page 26: ...ssembly No Part names Description Reference picture 1 Main PBA Assembly 1 Separate the Main PBA Cover Assembly by pulling it in the direction of the arrow in the figure 2 Separate the connector from the Main PBA assembly 3 Remove the 2 screws from the Main PBA assembly 2 THT 4X12 ...

Page 27: ...oom Water Faucet Assembly 1 Remove the 2 screws from the Room Water Faucet Assembly 2 THT 4X12 2 Separate the Room Water Faucet Assembly by pulling it in the direction of the arrow as shown in the figure 2 Room Water Valve Assembly 1 Remove the 2 screws from the Room Water Valve Assembly 2 THT 4X12 2 Separate the Room Water Valve Assembly by pulling it in the direction of the arrow as shown in the...

Page 28: ...Reference picture 3 CTS Water Level Sensor Assembly 1 Separate the clip of the CTS Water Level Sensor Assembly by pulling it in the direction of the arrow in the figure 2 Separate the CTS Water Level Sensor Assembly by pulling it in the direction of the arrow in the figure ...

Page 29: ...ames Description Reference picture 1 Side Cover R Assembly 1 Remove the fitting from the Main Tank Assembly using a flat head screwdriver 2 Remove the 2 screws from the Main Tank assembly 2 THT 4X12 3 Remove the 3 screws from the Frame 3 THT 4X12 4 Remove the 3 screws from the Rear Cover 3 THT 4X12 ...

Page 30: ...ssembly 5 Remove the 2 screws from the Filter Cover Assembly 2 THT 4X12 6 Separate the Side Cover R Assembly by pulling it in the direction of the arrow as shown in the figure 2 Side Cover L Assembly 1 Remove the 2 screws from the Main Tank assembly 2 THT 4X12 2 Remove the 3 screws from the Frame 3 THT 4X12 ...

Page 31: ...co Ltd 4 11 No Part names Description Reference picture 2 Side Cover L Assembly 3 Remove the 3 screws from the Rear Cover 3 THT 4X12 4 Separate the Side Cover L Assembly by pulling it in the direction of the arrow as shown in the figure ...

Page 32: ...e Assembly No Part names Description Reference picture 1 Feed Nos Valve Assembly 1 Separate the connector from the Feed Nos Valve Assembly 2 Remove the fitting from the Feed Nos Valve Assembly using a flat head screwdriver 3 Separate the screw from the Feed Nos Valve Assembly THT 4X12 ...

Page 33: ... is cut Yes No The power connector is not properly connected No Fit the connector correctly The fuse has blown Yes Check the Main PBA and replace it if necessary The Main PBA connector is not properly connected No Check the Main PBA and replace it if necessary Yes Yes The buttons and indicators are not turned on Is the Main PBA input voltage AC 220 V Is the connection between the power cord and th...

Page 34: ...onnection is not properly connected Yes Check the FND cable and replace it if necessary No The PBA power circuit is not properly connected No Check and replace the PBA if necessary Is the FND cable connection open Is the voltage of the Micom PBA DC 5 V ...

Page 35: ...is not normal Check the feed water valve and open it if necessary Yes Yes Check the tube and replace it if necessary No Has water passed through the filter No Check if the filter becomes blocked before its usual lifetime and replace it if necessary Yes Are the water tubes connected according to the specifications No Check the water inlet outlet and other tubes Yes Yes No Check and replace it if ne...

Page 36: ...ll water level water overflow sensor the output voltage should be 0 Volt Otherwise it should be 5 Volt No Check the Main PBA and replace it if necessary Are the voltages of the valve and pump connector of the main PBA normal The Feed NOS valve under normal conditions DC 24 0 Volts Pump AC 24 Volts No Yes Check and replace it if necessary Is the Feed NOS valve defective Check the back of the valve ...

Page 37: ...Rated time Continuous operation Construction of the power block and major parts Item Description SMPS power block Input voltage Refer to the rating plate Output voltage DC 5 V DC 24 V PBA input part External input Refer to the rating plate SMPS voltage DC 5 V DC 24 V Water level sensor Detects the low and full levels Overflow sensor Detects a water overflow TACT Switch Input Extraction button swit...

Page 38: ...tatus and error information Status Indicator Display sequence Description Low water level The indicator remains off until the status is changed Mid high water level The indicator remains on until the status is changed Extraction is in progress Blinks until the extraction is completed or canceled Beginning Blinks at 1 second intervals 3 seconds before the end The indicator blinks at 400 ms interval...

Page 39: ...indicator briefly blinks twice and then stays on for a while The interval when blinking briefly 200 ms the period for turning on 1 sec Test mode The indicator blinks 3 times and then shows the current status Blinks at 1 second intervals In the display sequence column the represents OFF represents ON and represents blinking ...

Page 40: ... the corresponding water level is detected for approximately 3 seconds The overflow sensor only works when a water overflow is detected for approximately 20 seconds or a non overflow is detected for approximately 3 seconds 3 Feed valve control Low water level status The feed valve is immediately turned on and the water filtration is started Mid water level status The feed valve is turned on immedi...

Page 41: ... continues for 0 1 seconds If the extraction button is pressed the beeper sound ding is heard The fixed amount extraction function only works when the water level is mid or higher If the fixed amount extraction function is available the indicator LED is turned on to indicate that the extraction function is available If the extraction button is pressed when the water level is low the alarm beeper s...

Page 42: ...on 1 Non detection 0 Non detection 0 Water filtration operation ON OFF Detection 1 Detection 1 Non detection 0 Water full operation The feed valve is turned off 3 seconds after the full water level is detected OFF Detection 1 Non detection 0 Non detection 0 Re filtration operation When the low water level is detected and the full water level is not detected for 15 minutes ON OFF Non detection 0 No...

Page 43: ...r if this occurs once or twice only the Nos Feed valve works without an error indication The LED blinks 2 times at 200 ms intervals the beeper sound plays ding ding OFF ON Detection 1 Non detection 0 Detection 1 A water level sensor defect This is indicated when this occurs three times in succession However if this occurs once or twice only the Nos Feed valve works without an error indication The ...

Page 44: ...s for 3 seconds Detection When the input continues for 1 seconds Cancellation When the input continues for 1 seconds Overflow sensor Detection When the input continues for 20 seconds Cancellation When the input continues for 3 seconds Detection When the input continues for 1 seconds Cancellation When the input continues for 1 seconds Feed valve After the full water level is detected the feed valve...

Page 45: ...Coway co Ltd 5 13 MEMO ...

Page 46: ...d view and parts list 6 1 Coway co Ltd 6 Exploded view and parts list 6 1 Exploded view and parts list This document is Coway s technical property Only the person approved by the company may use this document ...

Page 47: ...r High Level U ASSY 8 SENSOR CTS Water Over Level V ASSY 9 FRAME 10 VALVE ROOM WATER ASSY 11 PACKING CONNETOR 12 FAUCET ROOM WATER ASSY 13 COVER FILTER ASSY 14 VALVE FEED NOS ASSY 15 COVER REAR 16 VALVE AUTOMATION DRAIN CONTROL 17 PBA MAIN ASSY 18 COVER MAIN PBA ASSY 19 COVER SIDE R ASSY 20 DOOR SIDE R ASSY 21 COVER SIDE L 22 CAP MAIN TANK ASSY 23 COVER FRONT ASSY 24 PBA FRONT ASSY 25 COVER TOP AS...

Page 48: ...6 3 Coway co Ltd MEMO ...

Page 49: ...Parts location diagrams Coway co Ltd 7 1 7 Parts location diagrams 7 1 Electrical wiring diagram This document is Coway s technical property Only the person approved by the company may use this document ...

Page 50: ...Parts location diagrams 7 2 Coway co Ltd 1 Harness SMPS connection Remaining 2 Harness Front PBA Connection connection Remaining 3 Harness Front PBA connection Remaining 7 2 Cable Specification ...

Page 51: ...Parts location diagrams Coway co Ltd 7 3 4 Harness FEED NOS Valve connection 5 Haress LPS Extension ...

Page 52: ...Parts location diagrams 7 4 Coway co Ltd 7 3 Water piping diagram 7 3 1 P 220R 7 3 2 P 220L ...

Page 53: ...2 CN2 Extract Valve Pin No Signal 1 DC 24 V 2 SIGNAL 1 CN10 Feed NOS Valve Pin No Signal 1 DC 24 V 2 SIGNAL 3 DC 24 V 4 SIGNAL 3 CN3 Low Level Sensor Pin No Signal 1 DC 5 V 2 SIGNAL 3 GND 7 4 PBA location diagram 7 4 1 MAIN PBA 1 2 3 4 5 6 7 8 ...

Page 54: ...L 3 DC 5 V 6 CN1 Display Pin No Signal 1 SIGNAL 2 SIGNAL 3 SIGNAL 4 SIGNAL 5 SIGNAL 6 SIGNAL 7 GND 8 SIGNAL 4 CN4 Full Level Sensor Pin No Signal 1 GND 2 SIGNAL 3 DC 5 V 7 CN7 DC IN Pin No Signal 1 GND 2 DC 5 V 3 GND 4 GND 5 DC 24 V 6 DC 24 V 8 CN8 Booster Pump Pin No Signal 1 DC 24 V 2 GND ...

Page 55: ...Parts location diagrams Coway co Ltd 7 7 2 CN201 DC OUT Pin No Signal 1 GND 2 DC 5 V 3 GND 4 GND 5 DC 24 V 6 DC 24 V 1 CN101 AC IN Pin No Signal 1 220 V 2 220 V 7 4 2 SMPS PBA 1 2 ...

Page 56: ...7 8 Coway co Ltd MEMO ...

Page 57: ...4V VCC 104 C7 BR24L02F W U2 GS 104 C5 GS R16 10K GND 5V C4 105 C8 104 R7 10K 5V R6 10K 5V R5 10K VCC R15 10K GND D1 UF4007 24V VCC Q15 KRC102S Q8 KRA102S Y1 CSTLS8M00G 5V GS CN10 SMW250 04 10K R12 R17 10K R18 10K C1 104 C9 104 C2 104 C10 104 1 4 7 2 3 5 6 8 9 CN6 SMW250 09 EC2 100uF 25V 2 2K R21 BD1 BFS2550A0L BD2 BFS2550A0L GND 10K R11 R10 10K C6 104 C14 104 Q9 KRC102S R4 1K 1 2 4 5 7 3 6 SMW250 ...

Page 58: ... 5K 1W C208 0 01uF 100V LTV817B PC101 A C209 N A R103 47K 2W MINI J ZD101 1N5252B 24V U201 KA7805AE 1 3 2 IN OUT GND TH101 5D 13 VX101 14D751 LF101 CV613400SH R101 1 2M 1 2W J D101 UF4007 C104 100uF 35V D2SB60 1 5A 600V BD101 R209 3 3K 1 8W F U202 FAN431 C106 100pF 1KV CY103 4700pF 250VAC Y1 R207 1K 1 8W F C102 102 400V PC101 B LTV817 T101 R205 300 1 8W J C204 1000uF 35V C210 100uF 25V C101 100uF ...

Page 59: ... Coway co Ltd 9 1 Room Ambient Extraction Faucet Cup touch Lever Inlet Orange Outlet Blue P 220R L Water Bottle Fixed Quantity Extraction Button Top Cover Power Cord 9 Reference information 9 1 Names of each part Front Rear ...

Page 60: ...yamide Filter function Removes organic inorganic ionic materials germs viruses and heavy metals in the water Water filtration capacity on the basis of TDS 100 ppm of the tap water 20 30 water flow reduction on the basis of the membrane capacity standard specifications TDS removal rate 90 3 Pump Free Mem Filter name Inno Sense Filter 8 inch S Filter Material Polyethylene Active carbon Filter functi...

Page 61: ...er material Antibacterial ceramic Filter function Suppresses the proliferation of micro organisms in the water tank and enhances hygiene and the taste of the water Filter name UF Membrane Filter 8 inch S Filter function Removes micro organisms rust and suspended solids in water ...

Page 62: ... and to improve taste of water It also has the function to reduce aesthetic chlorine volatile organic compounds VOC s STEP 5 ANTIBACTERIAL FILTER The Antibacterial filter contains silver which is known to inhibit the propagation of microorganisms and to maintain the integrity of the filter Uses of reject water The reject water should be used for cleaning the restroom the house clothes or purposes ...

Page 63: ...rten the filter replacement period P 220R L Part No Names of Filter Usable Period WJNF8 S Neo sense filter 6 months WJMF8 20 S RO Memberance filter 20 months WJIF8 S Inno sense filter 18 months WJCC 03 Antibacterial filter 12 months The Antibacterial filter contains silver which is known to inhibit the propagation of microorganisms and to maintain the integrity of the filter About filter replaceme...

Page 64: ...on Reference picture 1 Close the main water supply valve after unplugging the power cord and drain the water inside of the water filtration device 2 Lift the front draining door and release 4 fixed screw using the phillips driver Pull and then lift up the side cover to separate it ...

Page 65: ...leakage and drain the first filtered water necessarily 4 Please fit the groove of the front cover Fasten the 4 fixing screws firmly with a Philips screwdriver Please be sure to use the new filter after cleansing Neo sense filter Please mount it after cleaning with the main water for about 1 minutes Inno sense filter Please mount it after cleaning with the main water for about 3 minutes RO Membrane...

Page 66: ...formation 9 8 Coway co Ltd 9 3 3 Cleaning Method Storage tank Explanation Reference picture 1 Unplug the power cord Close the main water supply valve 2 Please empty the water tank completely using the draining hose ...

Page 67: ...Reference information Coway co Ltd 9 9 Explanation Reference picture 3 Open the upper cover of the product and open the storage tank cover ...

Page 68: ...co Ltd Explanation Reference picture 4 Please install again after separating the antibacterial filter from the water tank cover and shaking and cleansing in the room water 5 Please wipe the surface of the storage tank with soft clothes ...

Page 69: ...ely using the draining hose after washing out the storage tank with the taken water 7 Close the water tank cover and assemble the fixing clip The Antibacterial filter contains silver which is known to inhibit the propagation of microorganisms and to maintain the integrity of the filter ...

Page 70: ...trated water has been extracted from one of the faucets Close the storage tank cover completely A worm or a foreign body can be entered When you clean the storage tank don t use the medicine or the detergent If you don t clean the medicine or the detergent cleanly it can be harmful to the body Keep the surroundings cleanly and clean the storage tank once per two months ...

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