Comfee 2D-18K Owner's Manual
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Comfee 2D-18K Owner's Manual

Inverter one-two/one-three/one-four/one-five split-type air conditioner
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INVERTER ONE-TWO/ONE-THREE/ONE-FOUR/ONE-FIVE
Owner's Manual
2D-18K
3D-27K
IMPORTANT NOTE:
•
Read this manual carefully before installing or
operating your new air conditioning unit.
Make sure to save this manual for future reference.
This manual only describes the outdoor unit of
•
user's. When using the indoor unit,refer to the
user's manual of indoor unit.
SPLIT-TYPE AIR CONDITIONER

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  • Page 1 INVERTER ONE-TWO/ONE-THREE/ONE-FOUR/ONE-FIVE SPLIT-TYPE AIR CONDITIONER Owner’s Manual 2D-18K 3D-27K IMPORTANT NOTE: • Read this manual carefully before installing or operating your new air conditioning unit. Make sure to save this manual for future reference. This manual only describes the outdoor unit of •...
  • Page 2 Please check the applicable models, F-GAS and manufacturer information from the “Owner's Manual - Product Fiche” in the packaging of the outdoor unit. (European Union products only) Bitte prüfen Sie die zutreffenden Modelle, F-GAS und Herstellerangaben der "Betriebsanleitung - Produktdaten" in der Verpackung des Outdoor Einheit.
  • Page 3 Table of Contents Owner’s Manual Safety Precautions ............ SAFETY FIRST Unit Parts and Major Functions ......Manual Operation and Maintenance ....
  • Page 4 Troubleshooting ......... Common Problems ......... Troubleshooting Tips ....... European Disposal Guidelines .............. Caution : Risk of fire (for R32/R290 refrigerant only ) WARNING: Servicing shall only be performed as recommended by the equipment manufacturer. Maintenance and repair requiring the assistance of other skilled personnel shall be carried out under the supervision of the person competent in the use of ammable refrigerants.
  • Page 5 Safety Precautions Thank you for purchasing this air conditioner. This manual will provide you with information on how to operate, maintain, and troubleshoot your air conditioner. Following the instructions will ensure the proper function and extended lifespan of your unit. Please pay attention to the following signs: Failure to observe a warning may result in death.
  • Page 6 CAUTION This appliance can be used by children aged • from 8 years and above and persons with DO NOT touch the air outlet while the swing • reduced physical, sensory or mental flap is in motion. Fingers might get caught capabilities or lack of experience and or the unit may break down.
  • Page 7 Unit Parts And Major Functions Unit Parts Duct / Ceiling type Wall-mounted type Fig. 2.1 Indoor unit 1. Panel frame 2. Rear air intake grille Fig. 2.2 3. Front panel Indoor unit 4. Air purifying lter & Air lter(behind) 1. Air outlet 5.
  • Page 8 Floor and standing type(console) Compact four-way cassette type Fig. 2.4 Fig. 2.3 Indoor unit 1. Drain pump(drain water from indoor unit) Indoor unit 2. Drain hose 1. Air ow louver (at air outlet) 3. Air outlet 2. Air inlet (containing air lter) 4.
  • Page 9 NOTE: For multi-split type air conditioners, one outdoor unit can be matched to di erent types of indoor units. All of the pictures in this manual are for demonstration purposes only. Your air conditioner may be slightly di erent, if similar in shape. The following pages introduce several kinds of indoor units that can be matched with the outdoor units.
  • Page 10 The air conditioner turns to FAN ONLY Heating mode (For cooling and heating mode from COOL or HEAT (for cooling and models only) heating models only) mode. The air conditioner draws in heat from the When the indoor temperature reaches the set outdoor unit and releases it via the indoor unit temperature setting, the compressor will stop during heating.
  • Page 11 Manual Operations And Maintenance Operation mode selection Optimal operation While two or more indoor units are To achieve optimal performance, please note the simultaneously operating, make sure the modes following: do not con ict with each other. The heat mode •...

  • Page 12: Troubleshooting

    Troubleshooting CAUTIONS If one of the following conditions occurs, switch o the power supply immediately and contact your dealer for further assistance. The operation light continues to flash rapidly after the unit has been restarted. • The remote control buttons do not work. •...
  • Page 13 Problem Possible Causes A squeaking sound is heard when the system is OFF or in COOL mode. The The indoor unit noise is also heard when the drain pump (optional) is in operation. makes noises A squeaking sound may occur after running the unit in HEAT mode due to expansion and contraction of the unit’...

  • Page 14: Troubleshooting Tips

    Troubleshooting Tips When troubles occur, please check the following points before contacting a repair company. Problem Possible Causes Solution Power failure Wait for the power to be restored The power switch is o Turn on the power The unit The fuse is burned out Replace the fuse is not Remote control batteries are dead...

  • Page 15: European Disposal Guidelines

    European Disposal Guidelines Users in European Countries may be required to properly dispose of this unit. This appliance contains refrigerant and other potentially hazardous materials. When disposing of this appliance, the law requires special collection and treatment. DO NOT dispose of this product as household waste or unsorted municipal waste.
  • Page 17 The design and specifications are subject to change without prior notice for product improvement. Consult with the sales agency or manufacturer for details. Any updates to the manual will be uploaded to the service website, please check for the latest version.
  • Page 18 INVERTER ONE-TWO/ONE-THREE/ONE-FOUR/ONE-FIVE SPLIT-TYPE AIR CONDITIONER Installation Manual 2D-18K 3D-27K IMPORTANT NOTE: Read this manual carefully before installing • or operating your new air conditioning unit. Make sure to save this manual for future reference. • This manual only describes the installation of outdoor unit.

  • Page 19: Table Of Contents

    Table of Contents Installation Manual Safety Precautions ........Accessories ............ Installation Overview ....... Installation Diagram ........ Specifications ..........Outdoor Unit Installation ......Outdoor Unit Installation Instructions ..12 Drain Joint Installation ........ Notes on Drilling Hole in Wall ....When Select a 24K Indoor Unit ....
  • Page 20 Refrigerant Piping Connection ....Wiring ..........Outdoor Unit Wiring ....Wiring Figure ........ Air Evacuation .......... Evacuation Instructions ......Note on Adding Refrigerant ....Safety And Leakage Check ....Test Run ............Function of Automatic Wiring/Piping Correction ..28 European Disposal Guidelines ............

  • Page 21: Safety Precautions

    Safety Precautions Read Safety Precautions Before Installation Incorrect installation due to ignoring instructions can cause serious damage or injury. The seriousness of potential damage or injuries is classified as either a WARNING or CAUTION. Failure to observe a warning may result in death. The appliance must be installed in accordance with national regulations.
  • Page 22 WARNING 13. An all-pole disconnection device which has at least 3mm clearances in all poles, and have a leakage current that may exceed 10mA,the residual current device (RCD) having a rated residual operating current not exceeding 30mA,and disconnection must be incorporated in the fixed wiring in accordance with the wiring rules.
  • Page 23 Cautions for using R32/R290 refrigerant - That mechanical connections shall be accessible for maintenance purposes. - In cases that require mechanical ventilation, ventilation openings shall be kept clear of obstruction. - When disposing of the product is used, be based on national regulations, properly processed. -The appliance shall be stored in a well-ventilated area where the room size corresponds to the room area as specified for operation.
  • Page 24 Min. Room Area (m ) Charge Amount in kg Refrigerant Installation LFL(kg/m ) Minimum Room Area ( m ) Type Height H0(m) 1.224 1.836 2.448 3.672 4.896 6.12 7.956 0.306 Note about Fluorinated Gasses This air-conditioning unit contains fluorinated greenhouse gasses. For specific information on the type of gas and the amount, please refer to the relevant label on the unit itself or the “Owner's Manual - Product Fiche ”...

  • Page 25: Accessories

    Accessories The air conditioning system comes with the following accessories. Use all of the installation parts and accessories to install the air conditioner. Improper installation may result in water leakage, electrical shock and fire, or equipment failure. Name Shape Quantity Installation plate Plastic expansion sheath (depending on models)

  • Page 26: Installation Overview

    Installation Overview INSTALLATION ORDER Install the outdoor unit Connect the refrigerant pipes Connect the wires (Page 10) (Page 15) (Page 18) Evacuate the refrigeration Perform a test run (Page 27) system (Page 24)  Page 9 ...

  • Page 27: Installation Diagram

    Installation Diagram Installation Diagram Mounting screw ST3.9×25-C-H Air-break Installation plate Switch Clip anchor Air-break Switch Remote controller Drainage holder Pipe 5 4 3 Outdoor Unit Power Cable The maximum amount of the connection cables is 5. This section is for reference only.

  • Page 28: Specifications

    Specifications Table 5.1 Number of units that can be used Connected units 1-5 units together Compressor stop/start frequency Stop time 3 min or more voltage fluctuation within ±10% of rated voltage Power source voltage voltage drop during start within ±15% of rated voltage interval unbalance within ±3% of rated voltage Table 5.2...

  • Page 29: Outdoor Unit Installation

    Outdoor Unit Installation √ The area must be free of combustible gases  Outdoor Unit Installation Instructions and chemicals. √  The pipe length between the outdoor and Step 1: Select installation location. indoor unit may not exceed the maximum The outdoor unit should be installed in the allowable pipe length.
  • Page 30 Split Type Outdoor Unit Table 6.1: Length Specifications of Split Type (Refer to Fig 6.4, 6.5, 6.6, 6.10 and Table 6.1) Outdoor Unit (unit: mm/inch) Outdoor Unit Dimensions Mounting Dimensions W x H x D Distance A Distance B 760x590x285 (29.9x23.2x11.2) 530 (20.85) 290 (11.4) 810x558x310 (31.9x22x12.2)

  • Page 31: Drain Joint Installation

    NOTE: The minimum distance between the Notes On Drilling Hole In Wall outdoor unit and walls described in the You must drill a hole in the wall for the installation guide does not apply to airtight refrigerant piping, and the signal cable that will rooms.

  • Page 32: Refrigerant Piping Connection

    Refrigerant Piping Connection Step1: Cut pipes Safety Precautions When preparing refrigerant pipes, take extra WARNING care to cut and flare them properly. This will ensure efficient operation and minimize the All field piping must be completed by a • For R32/R290 need for future maintenance.
  • Page 33 Pipe Table 7.1: PIPING EXTENSION BEYOND FLARE FORM Reamer Pipe Tightening Flare dimension (A) Flare shape torque (Unit: mm/Inch) gauge Point down Min. Max. 18-20 N.m 90 ° ± 4 8.4/0.33 8.7/0.34 Ø 6.4 (183-204 kgf.cm) 25-26 N.m 13.2/0.52 13.5/0.53 Ø...
  • Page 34 NOTE: Use both a spanner and a torque 7. Thread this pipeline through the wall and connect it to the outdoor unit. wrench when connecting or disconnecting 8. Insulate all the piping, including the valves pipes to/from the unit. of the outdoor unit. 9.
  • Page 35 Wiring Follow these instructions to prevent distortion Safety Precautions when the compressor starts: WARNING • The unit must be connected to the main outlet. Normally, the power supply must • Be sure to disconnect the power supply have a low output impedance of 32 ohms. before working on the unit.
  • Page 36 Table 8.2: Other Regions 5. Insulate unused wires with electrical tape. Keep them away from any electrical or metal Rated Current of Nominal Cross-Sectional parts. Appliance (A) Area (mm²) 6. Reinstall the cover of the electric control box. ≤ 6 0.75 Harmonic declaration 6 - 10...
  • Page 37 Wiring Figure CAUTION Connect the connective cables to the terminals, as identified, with their matching numbers on the terminal block of the indoor and outdoor units. For example, in the US models shown in the following diagram, Terminal L1(A) of the outdoor unit must connect with terminal L1 on the indoor unit.

  • Page 38: L N

    L(A) N(A) S(A) L(B) N(B) S(B) S(A) N(A) L(A) S(2) S(A) N(A) L(A) S(2) S(1) S(B) N(B) L(B) L S(1) S(B) N(B) L(B) L TO A TO B SUPPLY POWER POWER SUPPLY SUPPLY TO B TO B TO A TO A Model H Model I Model J...
  • Page 39 One-four models: Model A Model B Model C Model D L(A) N(A) S(A) L(B) N(B) S(B) L(C) N(C) S(C) L(D) N(D) S(D) TO A TO A TO B TO B SUPPLY Model E Model F One-five models: Model A Model B ...
  • Page 40 Model C Model D 1(C) 2(C) 3(C) 1(D) 2(D) 3(D) 1(E) 2(E) 3(E) 1(A) 2(A) 3(A) 1(B) 2(B) 3(B) L(C) N(C) S(C) L(D) N(D) S(D) L(E) N(E) S(E) L(A) N(A) S(A) L(B) N(B) S(B) TO C TO D TO E TO A TO B TO C...

  • Page 41: Air Evacuation

    Air Evacuation NOTE: If there is no change in system pressure, Safety Precautions unscrew the cap from the packed valve (high pressure valve). If there is a change in system CAUTION pressure, there may be a gas leak. Use a vacuum pump with a gauge reading •...

  • Page 42: Note On Adding Refrigerant

    Note On Adding Refrigerant CAUTION • Refrigerant charging must be performed after wiring, vacuuming, and the leak testing. DO NOT exceed the maximum allowable quantity of refrigerant or overcharge the system. • Doing so can damage the unit or impact it’s functioning. Charging with unsuitable substances may cause explosions or accidents.

  • Page 43: Safety And Leakage Check

    Safety And Leakage Check Electrical safety check Gas leak check Perform the electrical safety check after 1. Soap water method: completing installation. Cover the following Apply a soap-water solution or a liquid areas: neutral detergent on the indoor unit 1. Insulated resistance connection or outdoor unit connections with The insulated resistance must be more a soft brush to check for leakage of the...

  • Page 44: Test Run

    Test Run f. Check to see that the drainage system is Before Test Run unimpeded and draining smoothly. A test run must be performed after the entire g. Ensure there is no vibration or abnormal system has been completely installed. Confirm noise during operation.
  • Page 45 Function of Automatic Wiring/Piping Correction Automatic Wiring/Piping Correction Function More recent models now feature automatic correction of wiring/piping errors. Press the "check switch" on the outdoor unit PCB board for 5 seconds until the LED displays "CE”, indicatomg that this function is working, Approximately 5-10 minutes after the switch is pressed, the "CE" disappears, meaning that the wiring/piping error is corrected and all wiring/piping is properly connected.
  • Page 46 European Disposal Guidelines Users in European Countries may be required to properly dispose of this unit. This appliance contains refrigerant and other potentially hazardous materials. When disposing of this appliance, the law requires special collection and treatment. DO NOT dispose of this product as household waste or unsorted municipal waste.
  • Page 47 Information Servicing (Required for the units adopt R32/R290 Refrigerant only) 1. Checks to the area Prior to beginning work on systems containing flammable refrigerants, safety checks are necessary to ensure that the risk of ignition is minimised. For repair to the refrigerating system, the following precautions shall be complied with prior to conducting work on the system.
  • Page 48 the charge size is in accordance with the room size within which the refrigerant containing  parts are installed; the ventilation machinery and outlets are operating adequately and are not obstructed;   if an indirect refrigerating circuit is being used, the secondary circuits shall be checked for the presence of refrigerant;...
  • Page 49 11. Repair to intrinsically safe components Do not apply any permanent inductive or capacitance loads to the circuit without ensuring that this will not exceed the permissible voltage and current permitted for the equipment in use. Intrinscially safe components are the only types that can be worked on while live in the presence of a flammable atmosphere.
  • Page 50 When the final OFN charge is used, the system shall be vented down to atmospheric pressure to enable work to take place. This operation is absolutely vital if brazing operations on the pipe-work are to take place. Ensure that the outlet for the vacuum pump is not closed to any ignition sources and there is ventilation available.
  • Page 51 18. Labelling Equipment shall be labelled stating that it has been de-commissioned and emptied of refrigerant. The label shall be dated and signed. Ensure that there are labels on the equipment stating the equipment contains flammable refrigerant. 19. Recovery When removing refrigerant from a system, either for service or decommissioning, it is recommended good practice that all refrigerants are removed safely.
  • Page 53 The design and specifications are subject to change without prior notice for product improvement. Consult with the sales agency or manufacturer for details. Any updates to the manual will be uploaded to the service website, please check for the latest version. QSYTD-002I...

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3d-27k

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