Chungho Iguassu Ice 700 Technical Manual
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Chungho Iguassu Ice 700 Technical Manual

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Technical & Repair Guide for
ChungHo
IGUASSU ICE 700
IGUASSU ICE 700
Technical Manual
Call 888.758.1234 for further technical support.

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Summary of Contents for Chungho Iguassu Ice 700

  • Page 1 Technical & Repair Guide for ChungHo IGUASSU ICE 700 IGUASSU ICE 700 Technical Manual Call 888.758.1234 for further technical support.

  • Page 2: Table Of Contents

    Table of Contents 1. Designation of Components page 3-5 1-1. Front 1-2. Interior 1-3. Back 2. Product Features page 6-9 3. Exploded Diagram page 10-11 3-1. Overall Exploded Diagram 3-2. Exploded Diagram of Ice Making Department 4. System Diagram page 12 4-1.

  • Page 3: Designation Of Components

    Designation of Components 1-1 FRONT Illumination Sensor Ice Full Display Water Full Display Hot Water Lock Button Hot Water On/Off & Econo Mode Button Hot Water Selecting Button Cold Water Selecting Button Ambient Water Selecting Button Ice Dispensing Button Water Dispensing Nozzle Water Dispensing Push Button...

  • Page 4: Interior

    1-2 INTERIOR Top Cover Ambient Water Tank Ice Making Unit Front Upper Panel Cold Water Tank Ice Storage Hot Water Tank Drip Tray Drainage Valve Wire Condenser Drainage Switch Front Lower Panel Compressor Filters Booster Pump...

  • Page 5: Back

    1-3 BACK Power Cord Hot Water ON/OFF Switch Drain Outlet Waste Water Outlet Water Source Inlet...

  • Page 6: Product Features

    Product Features The Iguassu Ice is designed for both convenience and practicality, as it utilizes compact ice making system, designed to obtain cold water for the production of lice. The system features an ice making mechanism featuring an ice tray, which utilizes the freezing point method as well as reverse osmosis water puri cation.
  • Page 7 Infrared water level detection sensor The Infrared Capacitive Water Level Sensor is applied in the IGUASSU ICE 700. It provides more improved detection accuracy than traditional mechanical detection sensors, thus allowing stable water level detection. The signal is connected to a controller in order to automatically adjust puri ed water levels.
  • Page 8 Power saving function Selecting the power saving function during hot water operation activates the light detection sen- power save function, the user will ultimately reduce power consumption at night. Automatic water dispensing This system function is convenient to the user because it enables ambient water, cold water, and hot water to be taken at the press of a button and placed into a container of any kind.
  • Page 9 Function operations are designed as simply as possible in order to maximize convenience. Environment Friendly Coolant The IGUASSU ICE 700 has adopted an environmentally friendly cooling system using the R-134a coolant. Default function Designed to automatically convert to cold water mode when in queue.

  • Page 10: Exploded Diagram

    Exploded Diagram 3-1 OVERALL DIAGRAM Water Dispensing Solenoid Valve Drainage Valve Drainage Switch...
  • Page 11 3-2 ICE MAKING DEPARTMENT Sub Tank Ice Full Sensor (RX) Inlet Solenoid Valve Ice Full Sensor (TX) Synchronous Motor (Camshaft) Circulation Pump Cold Water Level Sensor Cold Water Ice Outlet Guide Sensor...

  • Page 12: System Diagram

    System Diagram 4-1 WATER PURIFICATION PROCEDURE Level Sensor Ambient Water Tank Ice Making Unit Ambient Water Sol. V/V Ice Making Cold Water Tank Water Cold Water Sol. V/V Pump Dispensing Cold Water Sol. V/V Ice Storaging Unit Hot Water Sol. V/V Dispensing Solenoid Auto...

  • Page 13: Distribution Line Diagram

    Distribution Line Diagram...

  • Page 14: Product Specification

    Product Specification 9. Product Specification Product name IGUASSU ICE Model name CHP-5050S Rated voltage AC 110V/60Hz, 220V/50Hz, 240V/50Hz, and 220V/60Hz External dimension 14.71W x 17.91D X 56.06H(in), 360W X 455D X 1424H(mm) Rated consumed power 700W(hot water+ ice making) Consumed Hot water/Cold water 500W/170W power...

  • Page 15: Installation Precautions

    Installation Precautions When installing the product, do not install it at the following places. - Near a re. - Near ammable materials. - Wet areas - Areas with direct exposure to rain and snow. - Areas with direct exposure to sunlight. - Near chemicals (volatile materials, organic solvents, etc.).

  • Page 16: Relocation/Installation Precautions

    (2) Hot Water Dispense Mode If HOT(hot water selection) touch sensor button is selected and water dispensing button is pressed, hot water comes out. ※If HOT LOCK(hot water lock) is set, then hot water does not co out even though the water dispensing button is pressed. ※If HOT LOCK(hot water lock) function is released, the water in hot water tank can be taken by selecting HOT(hot water selectio touch sensor button and pressing the water dispensing button.

  • Page 17: Installation

    Installation Install the product on a level surface. (Change product level as needed using the product leg adjustment). rarily remove the connector part as provided from your given water source. Then connect the main water line adaptor. If the sealing O-ring at the connection piece is removed or damaged, it can lead to leakage.

  • Page 18: Usage

    Usage 6. Usage 10-1 DISPLAY (A) 6-1. Display and System Function Settings(A) Detects the intensity of light around the product (front and side) so that the hot water system may be auto- Light Detection Sensor matically turned ON/OFF in transi- tion from light to dark.(When power save mode is activated.) Lights up when ice storage house...

  • Page 19: Operational Beep

    6. Usage 10-3 OPERATIONAL BEEP 6-3. Customer Warning Sensor Action Beep Remarks / Occurrence Action Beep Remarks / Occurrence During Power ON Ding Dong Dang One Time ※A beep sounds following applied operations of the IGUASSU ICE. During Power ON Ding Dong Dang One Time During Key Input...
  • Page 20 6. Usage ECONO(power saving) Function Setting (5) ECONO(power saving) Function Setting Touch the HOT/ECONO(hot water operation/power saving selection) touch ① Touch the HOT/ECONO(hot water operation/power saving selection ) touch sensor button. sensor button. ② Power saving display LED is turned on and power saving functio n is set.

  • Page 21: Ice And Water Dispensing

    6. Usage 6-5. Ice and Water Dispensing Method CE AND WATER DISPENSING Ice Dispensing Mode (1) Ice Dispensing Mode If ICE(ice dispense) touch sensor button is pressed, the door o f the ice If ICE(ice dispense) touch sensor button is pressed, the door of the ice storage house is opened and ice comes out from the dispensing h ole.

  • Page 22: Understanding The Ice Making Process And Operation

    NDERSTANDING THE ICE MAKING PROCESS AND OPERATION The ice making system of the IGUASSU ICE 700 automatically operates according to the designed program settings when power is applied to the unit. When power is supplied to the product by inserting the power plug, the ice making process automatically operates without any manual setting.

  • Page 23: Test Board

    Test Board Remove the front upper panel to reveal Test Board wire harness connection. Test Board Manual Functions BYPASS Used to move on to the next function on the checklist (except for when COLD WATER is being sent via circulation pump) ICE RELEASE COLD WATER Maker.

  • Page 24: Examination/Repair Procedure

    Examination/Repair Procedure Malfunction Page No Ice / No Cold Water Ice Not Dispensing Axle Coupling Replacement Water Odor / Bad Taste Water Leak Residual Water Dispense Button Malfunction Touch Sensor Defect Ice / Water Full LED Blinking Water Full LED Blinking Sensor Table...

  • Page 25: No Ice / No Cold Water

    12-1 NO ICE / NO COLD WATER 12-1 NO ICE / NO COLD WATER Malfunction Page R134-A Leak Hot Gas Leak OLC-S Defect Cold Water Level Sensor Defect Main Sol V/V Defect TRC Sensor Defect Circulation Pump Defect Ice Temperature Sensor...
  • Page 26 12-1-A R134-A LEAK Symptom Comp. is working but no Cold Water / No Ice. 1. Comp. is working, but back grill is cold. 2. Comp. is working, but the dryer is cold. * Check temperature 10 min after the Comp. has operated. How to Diagnose Touch the back grill with your hand to Touch the dryer with your hand to de-...
  • Page 27 12-1-B HOT GAS LEAK Symptom Comp. is working but no Cold Water / No Ice. 1. Check for leakage around welded areas. How to Diagnose Check to see if the Hot Gas is flowing through the Hot Gas V/V If Hot Gas V/V is functioning properly, there is condensa- tion at this area.
  • Page 28 ENSOR DEFECT Symptom Water tanks do not get full. How to Diagnose Check to see if Ambient tank is (25%) full. (CWLS Mesh/ Medium Filter) Check to see if water is owing from the Post Carbon Filter. Cold water operates above (25%). Check to see if water is purifying properly Cause of Defect 1.
  • Page 29 OLD WATER LEVEL SENSOR DEFECT Symptom 1. Main CWLS not full above 25% level. 2. Water is continuously draining. 3. Cold water is not coming out. How to Diagnose Check to see if Ambient tank is (25%) DC Current Check : full.
  • Page 30 12-1-E. MAIN SOL V/V DEFECT Symptom Cold water is not coming out. How to Diagnose No water is flowing to the Cold tank. - The main Sol V/V needs to be DC24V. Connect the Test Board and diagnose. (Cold tank not full : takes approx. 5 min. - Will test 3 times;...
  • Page 31 12-1-F. TRC SENSOR DEFECT Symptom Comp. is working properly, but TRC sensor is defective, preventing Ice making. Compressor will continue to operate until 40F. How to Diagnose Connect Test Board for testing. Each cold water process takes 60 min. Repeat 3 times; if defective, Test Board LED16 will start blinking.
  • Page 32 G. CIRCULATION PUMP DEFECT Symptom 1. Water does not circulate if defective; causing Ice Full LED to blink. - Connect Test Board: Circulation pump defective or Ice tray frozen. 2. If Ice tray is frozen; may cause Camshaft axle coupling to break. How to Diagnose Connect Test Board : Ice fails to make after 3 tries (avg.
  • Page 33 CE TEMPERATURE SENSOR Symptom 1. No Cold water / No Ice, ICE FULL LED blinking. -Connect Test Board; LED13 starts blinking. 2. If the Ice temp. sensor reaches -22F, it stops making Ice. How to Diagnose Check ohm reading of sensor. Connect Test Board: If LED13 blinks, then check sensor.

  • Page 34: Ice Not Dispensing

    12-2 ICE NOT DISPENSING 12-2-A. ICE FULL SENSOR(S) DEFECT Symptom 1. Ice is full, but does not dispense. 2. Ice dispense motor functioning, but there is no Ice. How to Diagnose Press the Ice button to check whether the blades are rotat- ing.
  • Page 35 12-2-B. ICE DISPENSER MOTOR Symptom Ice button is pressed, but blades are not rotating. How to Diagnose Press the Ice button and check to see if the blades are rotating. Cause of Defect 1. Motor shaft is not aligned properly. 2.

  • Page 36: Axle Coupling Replacement

    12-3 AxLE COUPLING REPLACEMENT 12-3-A. EVA ASSEMBLY DEFECT Symptom 1. Cold water is working properly, but there is no Ice. 2. Connect Test Board: LED22 starts blinking. How to Diagnose Press the Ice button to dispense Ice. 2. There is Ice, but Ice shape is irregular. - Remove Front-upper cover and disassemble the dispense tunnel to check the shape of Ice.
  • Page 37 12-3-B. PRODUCT IS NOT LEVEL Symptom 1. Cold water is working properly, but there is no Ice. 2. Connect Test Board: LED22 starts blinking. How to Diagnose Press the Ice button to dispense Ice. There is Ice, but Ice shape is irregular. - Remove Front-upper cover and disassemble the dispense tunnel to check the shape of Ice.
  • Page 38 12-3-C. ENVIRONMENT SENSOR DEFECT Symptom 1. Cold water is working properly, but there is no Ice. 2. Connect Test Board: LED22 starts blinking. How to Diagnose Push the Ice button to dispense Ice. There is Ice, but no Ice is dispensing - Check Ice shape. - Remove Front-Upper cover and disassemble the dispense tunnel to check the shape of Ice.
  • Page 39 12-3-D. CIRCULATION PUMP DEFECT Symptom 1. Comp. working, but circulation pump does not function and Ice Full is off. Connect Test Board: Circulation Pump Defect or Over-Freezing. 2. Due to over-freezing, Axle Coupling may be broken. How to Diagnose Connect Test Board to conduct initial diagnostic. During Cold water &...
  • Page 40 12-3-E. HOT GAS V/V WIRE DISCONNECT Symptom Ice is made, but does not fall off the fingers. How to Diagnose Connect Test Board and press the Ice Re- lease Button. Check to see if it is functioning. Voltage : AC 220V Cause of Defect If Hot Gas does not flow properly, may lead to the Axle Coupling to break.
  • Page 41 12-4 WATER SMELL / TASTE BAD 12-3-C. ENVIRONMENT SENSOR DEFECT Symptom 1. Ice Making is working properly, but there is no Ice / no Cold. 2. When dispensing Cold water: heavy plastic smell / water is oily. How to Diagnose Check the water from Post Out to Ambient tank for odor.

  • Page 42: Water Leak

    12-5 WATER LEAK 12-5-A. COLD WATER LEVEL SENSOR DEFECT Symptom 1. Ambient water is not full. 2. Water keeps flowing to drain. 3. Water is dripping down from Ice dispense tunnel / rotator blade. How to Diagnose Check to see if Ambient tank is (25%) DC Current Check : full.
  • Page 43 12-5-B. MAIN SOL V/V DEFECT Symptom 1. Water flows to drain (Main V/V has particles) 2. Water is dripping down from Ice dispense tunnel / rotator blade. How to Diagnose If water flows to drain, check for particles in the Main Sol V/V Cause of Defect If there are particles stuck in the Main Sol V/V, may cause the water to drip down from Ice dis-...

  • Page 44: Residual Water

    12-6 RESIDUAL WATER 12-6-A. SOL V/V DEFECT Symptom Water keeps dripping from spout. How to Diagnose Water flowing from spout when water dispense button is not pressed. - Check for particles inside Sol V/V. Cause of Defect If particles build up inside Sol V/V, it will prevent the Sol V/V from shutting off water from ambient tank and cause it to drip.
  • Page 45 12-6-B. WATER REMAINING ON SPOUT Symptom Water keeps dripping from spout. How to Diagnose Check Red O-ring in Manifold & Faucet Deco assembly. - Red O-ring must not be visible/need to be inserted all the way. Check for Mesh inside spout. WATER REMAINING Cause of Defect...

  • Page 46: Dispense Button Malfunction

    DISPENSE BUTTON MALFUNCTION ISPENSER BUTTON MALFUNCTION Symptom How to Diagnose Push button in and let go. Check to see if it releases. Check MFG Date. OLD TYPE NEW TYPE Cause of Defect 1. Particles may build up to cause jam. 2.

  • Page 47: Touch Sensor Defect

    12-8 TOUCH SENSOR DEFECT 12-8 TOUCH SENSOR DEFECT Symptom 1. Does not work from initial installation. 2. Does not work after some use. How to Diagnose Press each touch sensor. If the desired setting does not change, open front panel and check wire con- nections and/or if there is moisture on MOISTURE IN THE the PCB.

  • Page 48: Ice / Water Full Led Blinking

    12-9 ICE / WATER FULL LED BLINKING 12-9 ICE & WATER FULL LED BLINKING Symptom For new installations, if the drain switch is turned on, it will not operate and cause the LED to blink and create a ding/ding/sound. How to Diagnose Open front panel and make sure that the switch is “OFF”.

  • Page 49: Water Full Led Blinking

    WATER FULL LED BLINKING ENSOR DEFECT Symptom Full LED blinking. How to Diagnose Check if CWLS-S is exposed to light. In some cases where there may be a gap between the Top Cover and Front Cover, CWLS-S may be exposed to light, causing the sensor to malfunction.
  • Page 50 12-10-B. SUPPLY SOL V/V DEFECT Symptom Raw water continues to be supplied when water tank is full. How to Diagnose Pull out the tubing from the Booster pump out and check to see if water is coming out. DEFECTIVE Sol V/V Defect Cause of Defect 1.
  • Page 51 C. S/H FILTER BRACKET DEFECT Symptom Raw water continues to be supplied when water tank is full. How to Diagnose When CWLS-S and Supply Sol V/V are functioning properly, but water is still over owing, need to check S/H Filter Bracket. Install Check V/V to prevent tank.

  • Page 52: Sensor Table

    12-11 SENSOR TABLE 12-11-A. ICE MAKING TEMP SENSOR, COLD WATER TEMP SENSOR TABLE (°F) (KΩ) (°F) (KΩ) (°F) (KΩ) 22.2 18.1 14.7 12.1 43.3 34.5 27.6 12-11-B. ENVIRONMENT SENSOR TABLE (°F) (KΩ) (°F) (KΩ) (°F) (KΩ) 26.6 99.5 21.8 78.5 62.5 14.9 12.4...
  • Page 53 12-11-C. ICE MAKING TIME BY ROOM TEMPERATURE Ice Making Time Ice Making Keep Cold (Comp) Ice Dispensing Temp (°F) (minute) Temp. (°F) Temp/Time 48.2 ~ 53.6 53.6 ~ 59 59 ~ 64.4 64.4 ~ 69.8 -20.2 69.8 ~ 75.2 -20.2 2 min 15 min 75.2 ~ 78.8...

  • Page 54: Exploded Diagram & Parts List

    Exploded Diagram & Parts List 13-1 ExPLODED DIAGRAM (1)
  • Page 55 13-2 ExPLODED DIAGRAM (2)
  • Page 56 13-3 ExPLODED DIAGRAM (3)
  • Page 57 13-4 PARTS LIST PART NAME Q'TY MATERIAL PART NAME Q'TY MATERIAL FRONT UPPER-DECO EVA. Fixed BRACKET PC/ABS FRONT LOWER-DECO Rotating Drip Tray BUSHING (R) FRONT LOWER-BODY ICE GRILL LLDPE FRONT UPPER-BODY Ambient Tank Drip Tray COVER-Ambient Tank GRILL-Drip Tray Hot Water SUB TANK CAP HeatProof PP FRONT MIDDLE Hot Water SUB TANK BODY...
  • Page 58 ChungHo USA 16590 Aston St. Irvine CA 92606 888.758.1234 www.chunghousa.com techsupport@chunghousa.com...

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