Panasonic S-18MK2U6 Installation Instructions Manual
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Panasonic S-18MK2U6 Installation Instructions Manual

Panasonic S-18MK2U6 Installation Instructions Manual

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INSTALLATION INSTRUCTIONS

Air Conditioner

This air conditioner uses the refrigerant R410A.
Model No.
Indoor Units
Nominal Capacity
Type
Indoor Unit Type
18
24
K2
Wall Mounted
S-18MK2U6
S-24MK2U6
Read through the Installation Instructions before you proceed with the installation.
In particular, you will need to read under the "IMPORTANT!" section at the top of the page.
CV6233320519
85464369878010

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Summary of Contents for Panasonic S-18MK2U6

  • Page 1: Installation Instructions

    Indoor Units Nominal Capacity Type Indoor Unit Type Wall Mounted S-18MK2U6 S-24MK2U6 Read through the Installation Instructions before you proceed with the installation. In particular, you will need to read under the “IMPORTANT!” section at the top of the page. CV6233320519...

  • Page 2: Important

    IMPORTANT! When Transporting Please Read Before Starting Be careful when picking up and moving the indoor and outdoor units. Get a partner to help, and bend your knees This air conditioning system meets strict safety and when lifting to reduce strain on your back. Sharp edges or operating standards.

  • Page 3: Check Of Density Limit

    • Do not leak refrigerant while piping work for an installation or re-installation, and while repairing CAUTION refrigeration parts. Handle liquid refrigerant carefully as it may cause • Do not touch the air inlet or the sharp frostbite. aluminum fi ns of the outdoor unit. You When Servicing may get injured.

  • Page 4: Table Of Contents

    CONTENTS Page Page IMPORTANT ........2 7.

  • Page 5: General

    1. GENERAL 1-3.Type of Copper Tube and Insulation Material This booklet briefly outlines where and how to install the If you wish to purchase these materials separately from a local air conditioning system. Please read over the entire set of source, you will need: instructions for the indoor and outdoor units and make sure all Deoxidized annealed copper tube for refrigerant tubing.

  • Page 6: Selecting The Installation Site

    2. SELECTING THE INSTALLATION SITE Wall Mounted The air inlet and outlet of the indoor unit must be free of any 2-1. Indoor Unit obstructions to allow air to spread throughout the room. AVOID: The indoor unit must be within a maintenance soace. ●...

  • Page 7: How To Install The Indoor Unit

    3. HOW TO INSTALL THE INDOOR UNIT 3-1. Remove the Rear Panel from the Unit (1) Remove and discard the set screw on the rear panel. (Fig. 3-1) (2) Press the 2  marks on the frame cover and disengage the stationary tabs from the frame.

  • Page 8: Install The Rear Panel On The Wall

    (4) Using a sabre saw, keyhole saw or hole-cutting drill N OTE attachment, cut a hole in the wall. See Table 3-1 and Hole should be made at a slight downward slant to the outdoor Fig. 3-7. side. Indoor Outdoor Table 3-1 side side...

  • Page 9: Removing And Installing The Grille

    3-4. Removing and Installing the Grille Front panel Basically, these models can be installed and wired without removing the grille. If access to any internal part is needed, follow the steps as given below. How to remove the grille (1) Open the front panel until it is nearly horizontal, grasp the sections near the front panel arms on both sides, and then remove the panel by pushing the arms towards the outside while pulling the panel towards you.

  • Page 10: Shape The Indoor Side Tubing

    3-5. Shape the Indoor Side Tubing (1) Arrangement of tubing by direction Grille a) Right or left tubing Cut out the corner of the right/left frame with a hacksaw or the like. (Figs. 3-19 and 3-20) b) Right-rear or left-rear tubing Left tubing In this case, the corner of the frame need not be cut.

  • Page 11: Mounting

    3-7. Mounting (1) To install the indoor unit, mount the indoor unit onto the 3 tabs on the upper part of the rear plate. (2) Hold down the air discharge outlet and press the lower part of the indoor unit until it clicks to securely fasten to the 2 tabs on the lower part of the rear plate.

  • Page 12: Drain Hose

    ■ Left-side tubing (1) Lead the tubing and drain hose through the wall, allowing sufficient length for connection. Then bend the tubing using a tube bender to make the attachment. (Fig. 3-28) Rear panel (2) Switch the drain hose and drain cap. Hole in wall Switching drain hose and drain cap (a) Locate the drain hose and the drain cap.
  • Page 13 To unmount indoor unit (1) Remove the screw cover on the bottom surface. (Fig. 3-33) (2) Fasten the frame to the rear panel using the 2 supplied tapping screws 5/32 × 13/32" (4 × 10 mm). (Fig. 3-33) Screw (3) Press the 2  marks on the lower part of the indoor unit cover and unlatch the tabs.

  • Page 14: Electrical Wiring

    4. ELECTRICAL WIRING 4-1. General Precautions on Wiring (1) Before wiring, confirm the rated voltage of the unit as shown on its nameplate, then carry out the wiring closely following the wiring diagram. WARNING (2) This equipment is strongly recommended to be installed with Earth Leakage Circuit Breaker (ELCB) or Residual Current Device (RCD).

  • Page 15: Wiring System Diagrams

    4-3. Wiring System Diagrams Indoor unit (No. 1) Outdoor unit Power supply INV unit Ground 208 / 230V, 60Hz, 1PH Power supply Ground 208 / 230 V, 60Hz, 3PH Ground Remote Controller Ground Ground Indoor Inter-outdoor unit control wiring unit (No. 2) Power supply Ground Outdoor unit...
  • Page 16 CAUTION (1) When linking outdoor units in a network, disconnect the terminal extended from the short plug (on the outdoor main control PCB) from all outdoor units except any one of the outdoor units. (When shipping: In shorted condition.) For a system without link (no connection wiring between outdoor units), do not remove the short plug. (2) Do not install the inter-unit control wiring in a way that forms a loop.
  • Page 17 Loose wiring may cause the terminal to overheat or result in unit malfunction. A fire hazard may also occur. CAUTION Therefore, ensure that all wiring is tightly connected. When connecting each power wire to the terminal, follow the instructions on “How to connect wiring to the terminal” and fasten the wire securely with the fi...

  • Page 18: How To Process Tubing

    5. HOW TO PROCESS TUBING Deburring The liquid tubing side is connected by a fl are nut, and the Before After gas tubing side is connected by brazing. 5-1. Connecting the Refrigerant Tubing Use of the Flaring Method Many of conventional split system air conditioners employ the fl...

  • Page 19: Connecting Tubing Between Indoor And Outdoor Units

    Cautions During Brazing ● Replace air inside the tube with nitrogen gas to prevent copper oxide fi lm from forming during the brazing process. (Oxygen, carbon dioxide and Freon are not acceptable.) ● Do not allow the tubing to get too hot during brazing. The nitrogen gas inside the tubing may overheat, causing refrigerant system valves to become damaged.

  • Page 20: Taping The Tubes

    If the exterior of the outdoor unit valves has been finished with a Flare insulator (supplied) square duct covering, make sure you WARNING Insulation tape (white) allow sufficient space to access the Flare union (supplied) valves and to allow the panels to be attached and removed.

  • Page 21: Precautions On Test Run

    7. PRECAUTIONS ON TEST RUN ● Request that the customer be present at the time the test run is performed. Explain the Operating Instructions to the customer and then have the customer actually operate the system. ● Be sure to pass the manual and warranty certificate to the customer. ●...

  • Page 22: How To Install Wireless Remote Controller Receiver

    8. HOW TO INSTALL WIRELESS REMOTE <How to clean the filter> 1. Remove the air filter from the air intake grille. CONTROLLER RECEIVER 2. Use a vacuum cleaner to remove light dust. If there is sticky dust on the filter, wash the filter in lukewarm, soapy water, NOT E rinse it in clean water, and dry it.
  • Page 23 ■ When Using Wireless Remote Controller Instead Cleaning the main unit and remote controller ● Wipe clean using a soft, dry cloth. of Wired Remote Controller ● To remove stubborn dirt, moisten a cloth in warm water no Wall Mounted (Type K2) hotter than 104 °F (40 °C), wring thoroughly, and then wipe.

  • Page 24: Troubleshooting

    ■ Troubleshooting If your air conditioner does not work properly, fi rst check the following points before requesting service. If it still does not work properly, contact your dealer or a service center. ● Indoor unit Symptom Cause ● Noise Sound like streaming water during Sound of refrigerant liquid flowing inside unit ●...
  • Page 25 ● Check Before Requiring Services Symptom Cause Remedy Air conditioner does not run Power failure or after power failure Press ON/OFF operation button on remote at all although power is turned controller again. ● Operation button is turned off. Switch on power if breaker is turned off. ●...
  • Page 26 – NOTE –...
  • Page 27 – NOTE –...
  • Page 28 85464369878010 DC0915-0 Printed in Japan...

This manual is also suitable for:

S-24mk2u6

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