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Chungho Iguassu CT II, Technical Manual, Page: 26 / 44

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Chungho Iguassu CT II Technical Manual Download Page 26

12

Disassembling

26

Top Cover - Press and hold front of top cover and 
push forward. 

Front Panel - Extract drip tray.

Front Panel - Unscrew each side at the front bottom 
of front panel. (2 pieces)

Front Panel - Unscrew each top corner screws at the 
back of the front panel.(2 pieces)

1

2

3

4

Summary of Contents for Iguassu CT II

Page 1: ...Technical Repair guide for ChungHo Iguassu CT II call 888 758 1234 for further technical support IGUASSU CT II Technical Manual ...

Page 2: ... Precautions 8 Installation 9 Usage 9 1 Select Deselect Function 9 2 Water Dispensing 9 3 Operational Beep 10 System Formation 10 1 Functional Formation 10 2 Flow Restrictor 11 System Malfunction Diagnosis Repair Procedure 12 System Disassembling 13 Filter Changing 14 Water Draining 15 Tank Cleaning 16 Parts Replacing page 3 page 4 5 page 6 7 page 8 page 9 page 10 page 11 page 12 page 13 14 page 1...

Page 3: ...uch Sensor Button Hot Water Display Hot Water ON OFF Switch Hot Water Dispensing Button Ambient Cold Water Touch Sensor Button Water Full Display Cold Water Display Ambient Water Display Hot Water Operation Display Ambient Cold Water Dispensing Button 1 1 FRONT 1 2 BACK ...

Page 4: ...cy as compared to existing mechanical detection types the infrared OLC sensor applies an electronic water level sensor that was developed for stable water level detec tion The signal is connected to a controller in order to automatically adjust purified water levels Pat ent No 426182 Standard hot water safety function Hot water locking function Hot water automatic selection Release function Settin...

Page 5: ... reduce noise and thus provide further convenience for the user Convenience in use Function operations are designed as simply as possible in order to maximize convenience Environment friendly coolant The Iguassu CT II has adopted an environmentally friendly cooling system in the new R 134a a cool ant that will not add to the problems of ozone layer destruction and global warming Default function D...

Page 6: ...6 3 Exploded Diagram Parts List EXPLODED DIAGRAM ...

Page 7: ...Cold Ambi only only only Cold Dispense Cold water sensor Cold water separator Cold water separator Rotation Cover sealing Tank Cover sealing Rotation Cover Aircap Cover fix fix Insulate Cold NIPPLE Insulate Cold Sensor Insulate Cold tank Insulate Hot water dispensing Sol V V dispensing Sol V V MPPE MPPE Inlet Sol V V Cold Ambi water temp select temp select Water Full RUBBER Dispensing btn Dispensi...

Page 8: ...ter Sol V V Sub Tank Hot Water Sol V V Hot Cleaning Valve Hot Water Dispensing Ambient Cold Water Dispensing Flushing water Level Sensor Ambient Water Tank Cold Water Tank Hot Water Tank Membrane Post Carbon UV Filter Sediment Booster Pump UV optional 8 4 1 WATER PURIFICATION PROCEDURE 4 2 COOLING SYSTEM DIAGRAM Condenser Evaporator S Pipe Assy Capillary Tube Diabatic Compressor D Pipe Drier Coola...

Page 9: ...5 Distribution Line Diagram 9 ...

Page 10: ...6 Product Specification 10 ...

Page 11: ...tion may be smoothly performed for safe operation of product When connecting tubing hose take care so that the tubing hose is not be bent or pressed down by heavy objects etc If tubing hose in blocked water does not flow smoothly and may cause malfunction of the product Adjust the hose so that the water discharged from the drainage hose may not splash onto the product s surroundings Brine water or...

Page 12: ...m or multi purpose room etc Install the removed water brine line and drained water line separately If drainage dose not function properly due to improper installation then water may flow back toward waterspout and cause an overflow Adjust the tubing hose so that the discharged water brine and tap water tub ing hose so that they do not splash into surrounding areas Open the tap water valve supplied...

Page 13: ...hough the hot water dispensing button is pressed If you press hot water dispenser button you can take hot water Release hot water dispensor button after you finish dispensing hot water The hot water dispensing stops when HOT hot water dispensing selection touch sensor button is touched If you don t take hot water any more hot water dispensing function is released auto matically after 5 seconds fro...

Page 14: ...n HOT hot water dispensing selection touch sensor button is touched If you don t take ambient water any more ambient water dispensing function is re leased automatically after 10 seconds from finishing ambient water dispensing After the hot water operation switch is turned off be careful not to be burned when you take the hot water While dispensing cold ambient water it is possible to take hot wat...

Page 15: ... V 1EA 2 Dispensing Button Waterproof Micro S W 2EA Hot Cold and Hot Water Dispensing Button 1EA Cold Water System 1 Compressor 88W 680mA Coolant R 134a 2 Radiant Heat Wire Condenser Type 3 Cold Water Sensor NTC Thermistor 4 Water Temp 4 0 C 5 0 C Controller Dip SW1 OFF Default 4 5 C 5 5 C Controller Dip SW1 ON Cold Water System 1 Hot Water Sensor NTC Thermistor 2 Manual Bimetal 105N OPEN 105 C 3 ...

Page 16: ...e Caution 1 Disconnect Stem Elbow when replace membrane filter Do not separate tuning line with the Stem Elbow 2 If once tubing separated with the Stem Elbow Flow Restrictor Stem Elbow both should be replaced for new 3 Must flush for 30 seconds when replace Pre carbon filter If not it causes Flow Restrictor clogging 10 2 FLOW RESTRICTOR ...

Page 17: ...11 System Malfunction Diagnosis Repair Procedure 17 Table of Contents ...

Page 18: ...INPUT AC110V OUTPUT AC21V Check if the transformer OUTPUT is connected to controller correctly Check wire connection Check fuse inside the fuse holder if it is opened Replace fuse if it is faulty Replace transformer if it is faulty Replace controller if connected correctly 11 1 POWER MALFUNCTION Symptom In case of LED display off although power connected Terminal 1 2 1 2 3 4 ...

Page 19: ...nnection of OLC and water level in the tube Overflow Overflow LED blinks Loosen OLC connection Overflow LED blinks Check water level in tank and check silicon tube connection if there is water leak Check water supply valve is opened 11 2 FILTRATION MALFUNCTION Check OLC and filtration process works properly Check Membrane 1 2 3 4 ...

Page 20: ...ing Sol V V White Ambient Blue Cold If still not DC 24V supplies check controller and wire connection Check wire connection Check output voltage at controller If not replace Sol V V Replace Controller if it is faulty 11 3 WATER DISPENSING SOL V V MALFUNCTION Faulty water dispensing solenoid Valve Hot Cold Ambient causes water dispensing malfunction DC 24V Cold Terminal 3 6 Ambient Terminal 4 6 Hot...

Page 21: ...ion and applied voltage Applied Voltage AC 220V Check if hot temp sensor is affixed properly onto hot water tank s surface 11 4 HOT WATER MALFUNCTION If hot water overheated ambient tank s temperature goes up then it could causes overflow Check electric resistance of hot water temp sensor and manual bimetal 1 2 3 Hot Water Temp Sensor Bimetal ...

Page 22: ...ouch sensor PCB s wire connection Touch sensor PCB Check wire terminal connection Check if sponge is squeezed Check if PCB moisten 11 5 DISPLAY AND TOUCH BUTTON MALFUNCTION LED display and touch sensor button work abnor mally 1 2 ...

Page 23: ... gauged below 60W power consumption by using power meter device When it happened upper area of wire condenser not gets warmer Normally 40 C 60 C 11 6 MALFUNCTION BY COOLANT S LEAK OR CLOGGING If malfunction causes by leak or clogging of coolant Send to ChungHo Repair Center 1 2 ...

Page 24: ...24 Trouble Shooting 11 7 SENSOR SWITCH ...

Page 25: ...5 8 13 90 1 50 18 1 113 4 9 4 70 59 14 7 122 4 1 5 54 9 68 12 1 131 3 5 14 43 4 77 10 140 3 23 34 5 86 8 3 149 2 6 32 27 6 95 6 9 158 2 2 F KΩ F KΩ F KΩ 32 806 4 95 147 3 158 36 2 41 618 9 104 118 6 167 30 2 50 478 7 113 96 1 176 25 3 59 373 1 122 78 2 185 21 3 68 292 8 131 64 1 194 18 77 231 4 140 52 7 203 15 3 86 184 1 149 43 6 212 13 ...

Page 26: ...nd hold front of top cover and push forward Front Panel Extract drip tray Front Panel Unscrew each side at the front bottom of front panel 2 pieces Front Panel Unscrew each top corner screws at the back of the front panel 2 pieces 1 2 3 4 ...

Page 27: ...nd hold each top side from up to down direction then pull out Back Panel Unscrew 6 pieces of back panel screws Side Panel Slide side panels from front of unit to the back Front Panel Disconnect wire connection of touch sensor PCB 5 6 7 8 ...

Page 28: ... page 16 to disconnect waste water tubing line Post Carbon Filter Pull Post Carbon filter then disconnect tubing line UV Filter Optional Disconnect terminal wire pull UV filter then dis connect tubing line Sediment Filter Pull Sediment filter then disconnect tubing line Turn off water source before filter change Connect in tubing line completely and check if leak ...

Page 29: ...ning 29 Hot Water Pull Pre Carbon filter and connect drain hose into drain connector then drain water Cold Ambient Water Same as dispensing Refer page 14 Drip Tray Remove water before full Drip Hose Drain Connector ...

Page 30: ...nt Tank Extract Revolve and pull top round cover then clean inside the tank Ambient Tank Push locking clips 7EA to unlock open position then extract top cover of water tank Ambient Tank Extract cold water tank panel then clean ...

Page 31: ...ouch Sensor PCB 33 3 Hot Water Sensor Manual Bimetal 34 4 Hot Water Tank 35 5 Cold Water Sensor 36 6 Inlet Solenoid Valve 37 7 Water Dispensing Solenoid Valve 38 8 Pump 39 9 Transformer Fuse 40 10 Power Cord 41 11 Stabilizer PCB 42 12 OLC S1 43 Table of Contents ...

Page 32: ...32 Parts Replacing Extract bottom screw Disconnect all connected wires then extract 4 screws each corner Replace controller Press both side of controller cover top to extract 17 1 CONTROLLER 1 2 3 4 ...

Page 33: ...rews on Faucet Deco extract the faucet Deco then remove 3 screws on the PCB cover Push PCB holding Hook 6EA and extract Replace touch sensor PCB Extract PCB cover then remove screw on the middle of PCB 17 2 TOUCH SENSOR PCB 1 2 3 4 ...

Page 34: ... controller cover then press both side of controller cover top to extract Extract hot water sensor BKT manual bimetal Replace sensor bimetal Disconnect hot water sensor terminal connected to controller 17 3 HOT WATER SENSOR MANUAL BIMETAL 1 2 3 4 ...

Page 35: ...rminal connected to controller Disconnect 4 silicone tubes connected to hot water tank Extract 2 butterfly shaped nuts holding hot water tank Replace hot water tank Extract bimetal and disconnect hot water heater terminal 17 4 HOT WATER TANK 1 2 3 4 5 ...

Page 36: ...ing Disconnect cold water sensor terminal on the controller Extract lagging material then remove 2 cold water sensor holding screws Replace cold water sensor Extract insulating material 17 5 COLD WATER SENSOR 1 2 3 4 ...

Page 37: ...acing Separate Pre Carbon filter Remove 3 of inlet Sol V V holding screws then disconnect tubing line connected to the valve Replace inlet Sol V V Disconnect inlet Sol V V connector 17 6 INLET SOLENOID VALVE 1 2 3 4 ...

Page 38: ...the connected silicone tube Replace the water dispensing solenoid valve Extract silicone tube of the dispensing Sol V V 17 7 WATER DISPENSING SOLENOID VALVE 1 2 3 4 When assemble silicone tube on No 2 must maintain silicone tube vertically and make sure Mesh not to be squeezed It causes faulty dispensing Sol V V ...

Page 39: ...e 2 pump holding screws underneath of base plate Pull pump towards upper front to extract Replace booster pump Disconnect terminal connected to pump and re move 2 pump holding screws on the base plate 17 8 BOOSTER PUMP 1 2 3 4 ...

Page 40: ...g Unscrew wire holding retainer then disconnect transformer terminal Push both side of fuse holder then turn to the left to loosen Replace transformer fuse Remove transformer holding screw 17 9 TRANSFORMER FUSE 1 2 3 4 ...

Page 41: ... of rear cover holding screws Remove wire condenser holding screw Disconnect hot water ON OFF switch then extract rear cover Remove power cord terminal and holding screw Replace power cord Pull up ambient tank then separate rear cover 17 10 POWER CORD 1 2 3 4 5 ...

Page 42: ...eplacing Extract left side panel Remove stabilizer PCB cover holding screws 2 pieces Replace stabilizer PCB Disconnect stabilizer PCB terminal then remove 2 pieces of PCB holding screws 17 11 STABILIZER PCB 1 2 3 ...

Page 43: ...43 Parts Replacing Disconnect OLC S1 terminal on controller Remove 2 pieces of OLC S1 holding screws then extract silicone tube Replace OLC S1 Separate Sediment filter 17 12 OLC S1 1 2 3 4 ...

Page 44: ...ChungHo USA 16590 Aston St Irvine CA 92606 888 758 1234 www chunghousa com techsupport chunghousa com ...

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