INVENTOR V4MKI-24UR Installation Manual
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INVENTOR V4MKI-24UR Installation Manual

INVENTOR V4MKI-24UR Installation Manual

Floor / ceiling type
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FLOOR/CEILING TYPE
• INSTALLATION MANUAL
MODELS:
V4MKI-24UR/U4MRS-24
V4MKI-36UR/U4MRS-36
ENGLISH

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Summary of Contents for INVENTOR V4MKI-24UR

  • Page 1 FLOOR/CEILING TYPE • INSTALLATION MANUAL MODELS: V4MKI-24UR/U4MRS-24 V4MKI-36UR/U4MRS-36 ENGLISH...
  • Page 2 Table of Contents Installation Manual Accessories ............ Safety Precautions ........Installation Overview ....... Indoor Unit Installation Indoor Unit Installation ............a. Indoor Unit Parts ........b. Indoor Unit Installation Instructions ..10 Outdoor Unit Installation ......a. Outdoor Unit Installation Instructions ..

  • Page 3: Table Of Contents

    Refrigerant Piping Connection ...... A. Notes on Pipe Length and Elevation ....B. Refrigerant Piping Connection Instructions ... 20 Wiring ..........a. Outdoor Unit Wiring ....b. Indoor Unit Wiring ...... c. Power Specifications ....Air Evacuation ..........a. Evacuation Instructions .......
  • Page 4 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 re, or equipment failure. Name Shape Quantity Soundproof/insulation Refrigeration Fittings...
  • Page 5 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 6 WARNING • The appliance shall be stored in a room without continuously operating ignition sources (for example: open ames, an operating gas appliance or an operating electric heater). • Do not pierce or burn. • The appliance shall be stored so as to prevent mechanical damage from occurring. Be aware that the refrigerants may not contain an odour.
  • Page 7 Note about Fluorinated Gasses 1. This air-conditioning unit contains fluorinated gasses. For specific information on the type of gas and the amount, please refer to the relevant label on the unit itself. 2. Installation, service, maintenance and repair of this unit must be performed by a certified technician. 3.
  • Page 8 Installation Overview INSTALLATION ORDER Install the indoor unit Install the outdoor unit Install the drainpipe (Page 9) (Page 14) (Page 17) Evacuate the refrigeration Connect the wires Connect the refrigerant system (Page 26) (Page 22) pipes (Page 19) Perform a test run (Page 28) ...

  • Page 9: Indoor Unit Installation Indoor Unit Installation

    Indoor Unit Installation Indoor Unit Parts Installation part Louver grille Air outlet Display panel Air inlet Fig. 4.1 Safety Precautions CAUTION WARNING • Securely install the indoor unit on a • Install the indoor and outdoor units, cables, structure that can sustain its weight. If the and wires at least 1m (3.2’) from televisions structure is too weak, the unit may fall and and radios to prevent static or image...

  • Page 10: Indoor Unit Installation Instructions

    Indoor Unit Installation Instructions CAUTION NOTE: Panel installation should be performed DO NOT install the unit in the following after piping and wiring have been completed. locations: Step 1: Select installation location Areas with oil drilling or fracking The indoor unit should be installed in a location Coastal areas with high salt content in the that meets the following requirements: Areas with caustic gases in the air, such as...
  • Page 11 Refrigerant pipe connection (D. gas side) Drain point Refrigerant pipe connection (E. Liquid side) Hook Fig. 4.3 Table 4.1: Indoor parts installation size MODEL(Btu/h) Length of A (mm/inch) Length of B (mm/inch) Length of C (mm/inch) Length of D (mm/inch) Length of E (mm/inch) 18K~24K 1068/42 675/26.6...
  • Page 12 Step 2: Hang indoor unit CAUTION The unit body should align perfectly with the Wood hole. Ensure that the unit and the hole are the Place the square timber traversely over the roof same size before moving on. beam, then install the hanging screw bolts. (See Fig.4.4) 2.
  • Page 13 9. Remove the side board and the grille. Ceiling Installation (See Fig. 4.10). Hanging Hanging arm screw bolt Fig. 4.12 D. Refrigerant pipe connection Side board (D.gas side) Grille E. Refrigerant pipe connection Fig. 4.10 (E. Liquid side) 10. Mount the indoor unit onto the hanging screw bolts with a block.
  • Page 14 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 15 Split Type Outdoor Unit Vertical Discharge Type Outdoor Unit (Refer to Fig 5.4, 5.5, 5.6, 5.10 and Table 5.1) (Refer to Fig 5.7, 5.8, 5.9 and Table 5.2) (Wall or obstacle) Air Outlet >120cm / 47” Fig. 5.4 Fig. 5.7 Fig.
  • Page 16 NOTE: The minimum distance between the 2. Insert the drain joint into the hole in the base outdoor unit and walls described in the pan of the unit. installation guide does not apply to airtight 3. Rotate the drain joint 90° until it clicks in place rooms.

  • Page 17: Drainpipe Installation

    Drainpipe Installation The drainpipe is used to drain water from the unit. Improper installation may cause unit and 1-1.5m (39-59”) property damage. CAUTION Downward slope 1/100 Insulate all piping to prevent condensation • Fig. 6.2 and water damage. If the drainpipe is bent or installed •...
  • Page 18 Using a 65-mm (2.5”) core drill, drill a hole in the wall. Make sure that the hole is drilled at a slight downward angle, so that the outdoor end of the hole is lower than the indoor end by about 12mm (0.5”). This will ensure proper water drainage (See Fig.

  • Page 19: Refrigerant Piping Connection

    Refrigerant Piping Connection Safety Precautions Notes On Pipe Length and Elevation Ensure that the length of the refrigerant pipe, the number of bends, and the drop height between WARNING the indoor and outdoor units meets the • All eld piping must be completed by a requirements shown in Table 7.1: licensed technician and must comply with the local and national regulations.

  • Page 20: Refrigerant Piping Connection Instructions

    Table 7.2 Step 2: Remove burrs. Burrs can a ect the air-tight seal of refrigerant Permitted length piping connection. They must be completely Total piping length 18K+18K 30m/98’ L+Max (L1, L2) removed. 24K+24K 50m/164’ 1. Hold the pipe at a downward angle to 30K+30K prevent burrs from falling into the pipe.
  • Page 21 6. Place flaring tool onto the form. 7. Turn the handle of the flaring tool clockwise until the pipe is fully flared. Flare the pipe in accordance with the dimensions shown in table 7.3. Table 7.3: PIPING EXTENSION BEYOND FLARE Fig.
  • Page 22 Wiring Follow these instructions to prevent distortion Safety Precautions when the compressor starts: • The unit must be connected to the main WARNING 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 23 Table 8.2: Other Regions Indoor Unit Wiring Rated Current of Nominal Cross-Sectional 1. Prepare the cable for connection Appliance (A) Area (mm²) a. Using wire strippers, strip the rubber jacket 0.75 ≤ from both ends of a signal cable to reveal 6 - 10 about 15cm (5.9”) of the wires inside.
  • Page 24 CAUTION While connecting the wires, please strictly follow the wiring diagram. • The refrigerant circuit can become very hot. Keep the interconnection cable away from the • copper tube. 5. Clamp down the cable with the designated cable clamp to secure it in place. The cable should not be loose and should not pull on the u-lugs.
  • Page 25 Independent Power Supply Specifications ≤18K MODEL(Btu/h) 19K~24K 25K~36K 37K~48K 49K~60K PHASE 1 Phase 1 Phase 1 Phase 1 Phase 1 Phase POWER FREQUENCY (indoor) 208-240V 208-240V 208-240V 208-240V 208-240V AND VOLT CIRCUIT BREAKER/ 15/10 15/10 15/10 15/10 15/10 FUSE(A) PHASE 1 Phase 1 Phase 1 Phase...

  • Page 26: Air Evacuation

    Air Evacuation 4. Turn on the vacuum pump to evacuate the Safety Precautions system. 5. Run the vacuum for at least 15 minutes, or until the Compound Meter reads -76cmHG CAUTION (-1x105Pa). 6. Close the manifold gauge’s Low Pressure valve •...

  • Page 27: 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. •...

  • Page 28: 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 29: 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 30: Information Servicing

    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 31 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 32 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 33 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 34 h) Do not overfill cylinders. (No more than 80% volume liquid charge). i) Do not exceed the maximum working pressure of the cylinder, even temporarily. j) When the cylinders have been filled correctly and the process completed, make sure that the cylinders and the equipment are removed from site promptly and all isolation valves on the equipment are closed off.
  • Page 35 20. Transportation, marking and storage for units 1. Transport of equipment containing ammable refrigerants Compliance with the transport regulations 2. Marking of equipment using signs Compliance with local regulations 3. Disposal of equipment using ammable refrigerants Compliance with national regulations 4.
  • Page 36 FLOOR/CEILING TYPE...

This manual is also suitable for:

U4mrs-24U4mrs-36V4mki-36ur

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