Argo PLATINUM EVO 21 Service Manual
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Argo PLATINUM EVO 21 Service Manual

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Read the instructions carefully before operating or servicing the dehumidifier.
Observe all the safety instructions; failure to observe the instructions may lead to accidents and/or damage.
Keep these instructions in a safe place for future reference.
DEHUMIDIFIER
PLATINUM EVO 21
PLATINUM EVO 41
SERVICE MANUAL
V 09/20
EN

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  • Page 1 DEHUMIDIFIER PLATINUM EVO 21 PLATINUM EVO 41 SERVICE MANUAL Read the instructions carefully before operating or servicing the dehumidifier. Observe all the safety instructions; failure to observe the instructions may lead to accidents and/or damage. Keep these instructions in a safe place for future reference.

  • Page 2: Table Of Contents

    Service Manual Table of Contents Part Ⅰ : Technical Information ..............1 1.Summary ..........................1 2.Specifications ...................... 2 3. Outline Dimension Diagram .............. 4 4. Refrigerant System Diagram ............5 5. Electrical Part ..................6 5.1 Wiring Diagram ................6 5.2 PCB Printed Diagram ..............
  • Page 3 Service Manual Abbreviations Used Within this manual: Abbreviation Clear Words OFDN Oxygen free and dry nitrogen Personnel protective equipment Lower flammability level Upper flammability level Hydrocarbon INTRODUCTION ATTENTION Please read this manual carefully before installing and operating Hydrocarbon Air– Conditioner unit. Careless installation and operation could cause severe injuries to operators, workers and damage to the air-conditioner unit itself.
  • Page 4 Service Manual Notices General Safety Instructions Please pay careful attention to these safety instructions, to avoid risks to people and property. Before starting work on maintenance read this manual thoroughly and pay particular attention to the relevant chapters. Regardless of further requirements of the country, in which the equipment will be installed: assembly, first start up, technical service, maintenance and repair and as well as dismantling and disposal have to be carried out by authorised personnel only.
  • Page 5 Service Manual ONLY original Working on components with safety-relevant functions jeopardise the safe operation of spare-parts are the installation. In case it is necessary to replace components, only use approved parts The permitted for system contains the refrigerant R-290 (propane). This condition requires special safety Service and Re- precautions to be observed.
  • Page 6 Service Manual Basics in RAC Knowledge of the basic SI standard units for temperature, pressure, mass, density, energy. Understanding of the basic theory of refrigeration systems including the functions of the main components in the system (compressor, evaporator, condenser, thermostatic expansion valves). Understanding how to read a refrigerant flow chart and an electrical circuit diagram.
  • Page 7 Service Manual Use of portable measuring devices such as pressure gauges, thermometers and multi- The use of OFDN meters for measuring Volt/Amp/Ohm in the context of indirect methods for leakage is important and checking and interpretation of the measured parameters. It is very important to make the HC gas de- tector is indeed a use of an electronic gas detection device.
  • Page 8 Service Manual HC R290 Refrigerant Lssues Please notice that the unit is filled with propane. Details to this refrigerant are found in chapter “refrigerant”. Propane is highly flammable and leads to explosion under certain conditions. Inappropriate treatment of the unit involves the risk of severe damages of people and material.
  • Page 9 Service Manual Flammability Three components are needed simultaneously for causing fire: 1. Oxygen 2. Ignition source and 3. The flammable concentration of HC For ignition, the concentration of HC in air has to be between the lower and upper flammable limits. If the concentration is below the lower flammability limit (LFL) of about 2% by volume in air, there is not enough HC for combustion.
  • Page 10 Service Manual First Aid measures Inhalation: Remove the affected person to fresh air. If breathing has stopped, administer artifi respiration. Give external cardiac massage if necessary. If the person is breathing but unconscious, place them in the recovery position. Obtain medical assistance immediately.
  • Page 11 Service Manual DO NOT USE WATER JET Special protective equipment for fire fighters: In confined spaces use self-contained breathing apparatus Hazardous combustion products: Incomplete combustion may form carbon monoxide. Accidental Release measures Immediate emergency action: Further actions: · Clear people away from the area to a safe place ·...
  • Page 12 Service Manual The HC leak de- tector is indeed a Personal Protective Equipment (PPE) device! Sign plate to protect and mark the working area. Appropriate detectors, suitable for hydrocarbons, must be available and operational all the time. Appropriate tools and appliances must be available and ready for operation.
  • Page 13 Service Manual Repair of Leaks System leaks must be immediately repaired by authorised personnel after becoming acquainted. If they cannot be repaired immediately, the refrigerant charge should be removed from the system until the point at which the leak can be properly repaired. ·...
  • Page 14 Service Manual Before operation of the gas detector the instruction manual must be read carefully. In case of any questions refer to the detector manufacturer. Furthermore ensure the detector is correctly calibrated. Instructions for calibration can be found in the instruction manual of the detector or upon request from the manufacturer.
  • Page 15 Service Manual 8. Weigh the cylinder and compare it against the tare weight (normally stamped on the Charging HC! cylinder) in order to make sure that it is empty. Pressure control is no secure method to find out if and how much refrigerant there is inside the cylinder. Always use the 9.
  • Page 16 Service Manual Pressure—Temperature Chart HC Refrigerant R-290 Temperature Absolute pressure Gauge pressure °C °F kPa(g) bar(g) PSI(g) 111,12 1,11 16,12 11,12 0,11 1,61 -38,2 116,00 1,16 16,83 16,00 0,16 2,32 -36,4 121,05 1,21 17,56 21,05 0,21 3,05 -34,6 126,27 1,26 18,31 26,27 0,26...
  • Page 17 Service Manual HC Refrigerant R-290 Temperature Absolute pressure Gauge pressure 51,8 654,81 6,55 94,97 554,81 5,55 80,47 53,6 673,40 6,73 97,67 573,40 5,73 83,17 55,4 692,38 6,92 100,42 592,38 5,92 85,92 57,2 711,75 7,12 103,23 611,75 6,12 88,73 731,51 7,32 106,10 631,51 6,32...

  • Page 19: Part Ⅰ : Technical Information

    Service Manual Part Ⅰ : Technical Information 1.Summary PLATINUM EVO 41 PLATINUM EVO 21...

  • Page 20: Specifications

    Service Manual Service Manual 2.Specifications model PLATINUM EVO 21 Product Code V ～ Rated Voltage 220-240 Power Rated Frequency Supply Phases Rated Dehumidification Capacity Power Input Current Input Set Humidity Range 30/80 Air Flow Volume (H/m/L) 130/115/105 Fan motor Speed (H/m/L)
  • Page 21 Service Manual PLATINUM EVO 41 model Product Code V ～ Rated Voltage 220-240 Power Rated Frequency Supply Phases Rated Dehumidification Capacity Power Input Current Input 3.00 Set Humidity Range 30/80 Air Flow Volume (H/m/L) 230/195/170 Fan motor Speed (H/m/L) r/min 1260/1070/900 Fan motor Power Output Fan motor RLA...

  • Page 22: Outline Dimension Diagram

    Service Manual 3. Outline Dimension Diagram PLATINUM EVO 21 Unit:mm...

  • Page 23: Refrigerant System Diagram

    Service Manual 4. Refrigerant System Diagram evaporator air in capillary air out condenser fan motor compressor Dehumidifying principle of dehumidifier: When temperature is decreased to the temperature point of dew, water vapor in humid air will condensate. Dehumidifier is dehumidifying the air by using this principle. During operation of the system, air will pass through evaporator and condenser in turn and then be discharged due to centrifugal blade.

  • Page 24: Electrical Part

    Service Manual 5. Electrical Part 5.1 Wiring Diagram ●Instruction Symbol Symbol Color Symbol Symbol Color Symbol Name White Green Jumper cap Yellow Brown COmP Compressor Blue Grounding wire YEGN Yellow/Green Black Violet Orange Note: Jumper cap is used to determine fan speed and the swing angle of horizontal lover for this model.
  • Page 25 Service Manual PLATINUM EVO 21 - PLATINUM EVO 41 )$1 02725 +80,',7< /,48,' /(9(/ 6(1625 6:,7&+ <(*1 &1 & &1 &1 &1 $3 0$,1 ',63/$< %2$5' &1 &1 %2$5' &1 &1 &203 */ 1 $& / & 67(33,1* 78%( 02725 7(03 6(1625 &...

  • Page 26: Pcb Printed Diagram

    Service Manual 5.2 PCB Printed Diagram Silk Screen on Main Board ● Top view Name Name Fuse Neutral wire terminal Interface of display board Piezoresistor Wiring terminal of compressor Live wire terminal (with overcurrent inspection) Current mutual-inductor High Frequency Transformer Needle stand for fan ●...
  • Page 27 Service Manual Silk Screen on Display Board PLATINIUM EVO 21 - PLATINUM EVO 41 ● Top view Name Name Interface of wire connec on between boards Nixietube for connec ng main board Water level inspec on interface Interface o ube temperature sensor Interface o emperature sensor and humidify Interface of Stepping Motor sensor...

  • Page 28: Function And Control

    Service Manual 6. Function and Control 6.1 Control panel instruction PLATINUM EVO 21 - PLATINUM EVO 41 Bucket Full Dehumidify Timer Indicator Indicator Mode Indicator Display Speed Indicator Wind Direction Indicator Window Fixed Water Full Swing Angle Smart Cont Quiet Dry...
  • Page 29 Service Manual Other Instructions 1. Alarm Warning If the water bucket is full or the water bucket hasn't been put on the correct position for 3mins, the buzzer will give out sound for 10s for reminding you to empty the water bucket or re-install the water bucket at correct position. 2.
  • Page 30 Service Manual 6.2 Introduction of Basic Mode Function . Basic Function 1. Smart dry mode Normal operation condition and process: Under operation status, when energize the unit, turn on the unit or switch mode for the first time, if Tamb. 20 , set humidity is 60%; when 20 Tamb. 27 , set humidity is 50%; when Tamb. 27 , set humidity is 40%. If the user adjusts the humidity, the unit will operate in set humidity.
  • Page 31 “Fan” button: adjust fan speed (high, medium, low). “Wind direction” button: adjust louver (swing or fixed-angle). PLATINUM EVO 21 - PLATINUM EVO 41 “Mode” indicator: display current operation mode (smart, cont, quiet and dry); “Fan” indicator: display current fan speed (high, medium, low) (fan speed is not displayed in quiet and cloth drying mode);...

  • Page 32: Part Ⅱ : Maintenance

    Service Manual Part Ⅱ : Maintenance Refrigerant Safety Precautions: 1. Avoid contact between refrigerant and fire as it 7.Notes Maintenance generates poisonous gas. Recycle the refrigerant inside the unit completely before welding pipes. Safety Precautions: 2. Apply specified refrigerant only. Never have it Important! mixed with any other refrigerant.
  • Page 33 Appliance filled with flammable gas R290. Before install and use the appliance, read the owner’s manual first. Before install the appliance, read the installation manual first. Before repair the appliance, read the service manual first. The Refrigerant To realize the function of the air conditioner unit, a special refrigerant circulates in the system. The used refrigerant is the fluoride R290, which is specially cleaned.
  • Page 34 Service Manual 1 Safety Principle of Maintenance 1. The maintenance spot must have good ventilation. Do not close the door or the window. 2. Do not use naked flame, including welding, smoking. Do not use mobile phone. Tell the user not to cook with naked flame.
  • Page 35 Service Manual Check information Result Yes/No Maintenance equipment is complete Persons in the maintenance area turn off the mobile phone. Power supply of tools is 2m away. Density tester can be used. Other tools are normal. The spare parts are provided by the manufacturer and The unit needed to be serviced is under safe state.
  • Page 36 Service Manual (5).Replace electric box Concentration Leakage test for detector the complete unit Release the Leakage refrigerant Remove panel Pressure test Remove front Leakage test case The qualified parts Replace Recharge provided by electric box refrigerant manufacturer (6).Replace main board Concentration Leakage test for the detector...
  • Page 37 Service Manual (7).Replace pipeline or repair welding Release the refrigerant Clean the system Replace pipeline or weld pipeline system parts Pressure test Leakage Leakage test Leakage Recharge refrigerant Assembly is finished maintenance...
  • Page 38 Main Tools for Maintenance 3. Open-end wrench, inner hexagon spanner 1. Electroprobe 2. Screw driver 4. Electronic leakage detector 6. Pressure meter 5. Vacuum pump 8. Soldering appliance, refrigerant container 7. Universal meter maintenance...

  • Page 39: Maintenance

    Service Manual 8.Maintenance 8.1 Error code malfunction Nixie tube display Unit status Possible Causes Name Inspection malfunction 1.Connection of temperature/humidity sensor is poor of ambient 2.Temperature/humidity sensor is damaged temperature 3.Display board is damaged Humidity inspection Compressor and fan malfunction motor stop.
  • Page 41 Service Manual 8.2 Malfunction Detection Flowchart Malfunction of temperature sensor F1, L1 Start Check whether connection between terminal of connection wire of temperature/humidity sensor and the controller is loose or not not connected tightly. Insert the temperature/ humidity sensor tightly Is the malfunction eliminated? Whether the temperature...
  • Page 42 2.Malfunction of temperature sensor F2 Start Is the wiring terminal between temperature sensor and the controller loosened or poorly contacted? Insert the temperature sensor tightly Malfunction is eliminated. Is there short circuit due to trip over of the par ts? Make the parts upright Malfunction is eliminated.
  • Page 43 Service Manual 8.3 Maintenance method for common malfunction 1. The unit can not start up Possible causes Discriminating method (dehumidifier status) Troubleshooting Confirm whether it's due to power failure. If yes, After energization, operation indicator isn’t bright No power supply, or poor wait for power recovery.
  • Page 44 4. Compressor can't operate Possible causes Discriminating method (dehumidifier status) Troubleshooting Connect wires according to wiring diagram to Wrong wire connection, or poor Check the wiring status according to circuit make sure all wiring terminals are connected connection diagram firmly Compressor relay on the mainboard is broken or the Check if the relay is sucked in cooling mode...

  • Page 45: Exploded View And Parts List

    Service Manual 9. Exploded View and Parts List PLATINUM EVO 21 The component picture is only for reference; please refer to the actual product. maintenance...
  • Page 46 Part Code Description PLATINUM EVO 21 Product Code Shield Sub-Assy 22206581 Lower Sealplate 26116534 Filter Sub-Assy 11126538 Baffle Plate 26116537 Supporting Strip Sub-Assy 00019300003 Supporting Strip 24216509 Display Board 30561072 Display Box 20116075 Decorative Circle 20196057 Top Plate 01256506P Temperature Sensor...
  • Page 47 Service Manual PLATINUM EVO 41 13 14 15 16 17 18 21 22 23 24 27 28 29 30 57 56 55 54 53 52 51 50 The component picture is only for reference; please refer to the actual product. maintenance...
  • Page 48 Part Code Description PLATINUM EVO 41 Product Code Shield Sub-Assy 00016700003 Lower Sealplate 26116535 Filter Sub-Assy 11126030 Baffle Plate 01356000260 Supporting Strip Sub-Assy 24216512 Front Panel Clip 26256002 Supporting Strip 24216510 Temperature Sensor (20KT) 390000595 Display Board 300001060384 Display Box 20116075 Decorative Circle 20196058...

  • Page 49: Removal Procedure

    Service Manual 10. Removal Procedure Warning: disconnect power supply before removal; discharge the refrigerant completely PLATINUM EVO 21 before unsoldering the pipes. maintenance...
  • Page 50 maintenance...
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  • Page 57 Service Manual GDN40AU-K5EBA1A Step Procedure 1. Remove water tank Hold the holding position at both sides of water tank with both hands to pull it outwards and then remove the water tank. holding position water tank 2. Remove panel Press the clasps at both sides of panel withboth hands to pull it outwards, lift it upwards and then remove the panel.
  • Page 58 Step Procedure 4. Remove lower sealing plate clasps Remove 4 screws on lower sealing plate, lift it upwards to let it separate from upper 3 clasps,and then remove the lower sealing plate. screw lower sealing plate 5. Remove rear cover Remove 6 screws at the back of the case, hold both sides of rear cover, pull it outwards and then remove the rear cover.
  • Page 60 Service Manual Step Procedure 7. Remove front case screw Remove 2 screws at the front of the front case,2 screws at both sides and 6 screws at the back side to let connection wires of discharge temperature sensor and display front case board separate from all groves.
  • Page 61 Service Manual Step Procedure 10.Remove grille Remove 1 screw fixing grille, hold both Side of grille and then pull it outwards grille to Remove it. screw 11.Remove air duct Remove 3 screws fixing the water tray and screw 3 screws fixing condenser and evaporator, air duct lift up the air duct and then remove it 12.Remove cover plate...
  • Page 62 Service Manual Step Procedure 13.Remove centrifugal blade Remove nut and 2 gasket fixing the blade centrifugal blade at the motor shaft terminal, take out gasket the blade along the motor shaft and then remove the blade sub-assy. gasket 14.Remove motor screw Remove 3 screws fixing the motor and then remove the motor.
  • Page 63 Service Manual Step Procedure 16. Remove condenser and evaporator Unsolder the spot weld between suction pipe, condenser and evaporator discharge pipe and evaporator, condenser, and remove suction pipe and discharge pipe. Unsolder the spot weld between capillary sub-assy and condenser, evaporator, and then remove capillary sub-assy.
  • Page 64 Service Manual Step Procedure 19. Remove liquid level switch sub-assy screw Remove one screw fixing the liquid level clasp switch. Loose 4 clasos connecting the water tray, and then remove the liquid level switch sub-assy. liquid level switch sub-assy 20.Remove suction pipe sub-assy, discharge pipe sub-assy suction pipe sub-assy Unsolder suction pipe and discharge pipe from the welding position of suction outlet...
  • Page 65 Service Manual Step Procedure 22.Remove compressor and its fittings Remove 2 nuts fixing the compressor, lift up the compressor and then remove the compressor. compressor 23.Remove castor chassis Pull out 4 castors to remove them. castor maintenance...
  • Page 66 Service Manual PLATINUM EVO 41 Step Procedure 1. Remove water tank Hold the holding position at both sides of water tank with both hands to pull it outwards and then remove the water tank. holding position water tank 2. Remove panel Press the clasps at both sides of panel with both hands to pull it outwards, lift it upwards and then remove the panel.
  • Page 67 Service Manual Step Procedure 4.Remove lower sealing plate Remove 4 screws on lower sealing plate, lift it upwards to let it separate from upper 3 clasps,and then remove the lower sealing plate. screw lower sealing plate 5.Remove rear cover screw Remove 2 screws at the front side of case, 4 screws at the back side and 4 screws at both sides, hold both sides of rear cover,...
  • Page 68 Service Manual Step Procedure 7.Remove front case Remove 2 screws at the front of the front clasps case,pull out 6 screws connecting with support rack sub-assy, and remove top plate and decorative ring. Let the top plate separate from 9 clasps on decorative ring,and then separate the top clasps plate from the decorative ring.
  • Page 69 Service Manual Step Procedure 10.Remove display board Remove 2 screws at both sides of display board, pull out clasps at both sides and then remove the display board. clasp screw 11.Remove electric box Remove 2 screws inside the electric box connecting the water tray, pull out all wires connecting all electric parts inside the electric box, and then...
  • Page 70 Service Manual Step Procedure 13.Remove grille groove Remove one screw fixing the propeller grille of panel housing, pull the grille backwards to let It separate from 2 grooves, and then remove the grille. screw 14.Remove guide loop screw Remove 4 screws fixing the propeller housing at the back of cover plate, and then remove the guide loop.
  • Page 71 Service Manual Step Procedure 16.Remove motor Remove 3 screws fixing the motor and then remove the motor. propeller housing screw motor 17.Remove damper plate damper plate Remove 1 screw fixing the damper plate and then remove the damper plate. screw 18.Remove condenser and evaporator Unsolder the spot weld between suction condenser and evaporator...
  • Page 72 Service Manual Step Procedure 19.Remove water tray sub-assy screw Remove one screw connecting water tray water tray sub-assy and chassis, loose 5 clasps connecting the chassis and then remove the water tray. clasp 20.Remove liquid level switch sub-assy clasp Loose 4 clasps connecting the water tray, and then remove the liquid level switch sub-assy.
  • Page 73 Service Manual Step Procedure 22.Remove damper plate Remove one screw on the damper plate screw and then remove the damper plate. damper plate 23.Remove compressor and its fittings Remove 3 nuts fixing the compressor, lift up the compressor and then remove the compressor.

  • Page 74: Appendix

    Appendix: Appendix 1: Reference Sheet of Celsius and Fahrenheit Conversion formula for Fahrenheit degree and Celsius degree: Tf=Tcx1.8+32 Set temperature Fahrenheit Fahrenheit Fahrenheit Fahrenheit Fahrenheit Fahrenheit display display display Celsius （℃ ） Celsius （℃ ） Celsius （℃ ） （℉） （℉） （℉）...

  • Page 75: Appendix 2: Resistance Table Of Tube Temperature Sensor

    Service Manual Appendix 2: Resistance Table of Tube Temperature Sensor Resistance table of Tube Temperature Sensor (20K) C) Resistance(kΩ) C) Resistance(kΩ) Resistance(kΩ) Resistance(kΩ) Temp( Temp( Temp( Temp( 181.4 25.01 5.13 1.427 171.4 23.9 4.948 1.386 162.1 22.85 4.773 1.346 153.3 21.85 4.605 1.307...
  • Page 76 REGULATION (EU) No. 517/2014 – F-GAS PLATINUM EVO 21 The unit contains R290, a natural greenhouse gas with global warming potential (GWP) = 3 - Kg. 0.06 = 0.00018 Tons CO equiv. PLATINUM EVO 41 The unit contains R290, a natural greenhouse gas with global warming potential (GWP) = 3 - Kg. 0.15 = 0.00045 Tons CO equiv.

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