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MODELS
RXM09WVJU9
RXM12WVJU9
DAIKIN ROOM AIR CONDITIONER
INSTALLATION MANUAL
R32 Split Series
Installation manual
Manuel d'installation
Manual de instalación

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Table of Contents
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Summary of Contents for Daikin RXM09WVJU9

  • Page 1 DAIKIN ROOM AIR CONDITIONER INSTALLATION MANUAL R32 Split Series Installation manual Manuel d’installation Manual de instalación MODELS RXM09WVJU9 RXM12WVJU9...
  • Page 2: Table Of Contents

    Contents Safety Considerations ........1 4. Refrigerant piping ............6 5. Pressure test and evacuating system ......7 Accessories ............. 3 Wiring ............... 9 Precautions for Selecting a Location ... 3 Facility Setting (cooling at low outdoor temperature) ... 10 Precautions on Installation ......
  • Page 3 Corroding copper pipes or soldered parts may result in is shorted and operated forcibly, or parts other than those refrigerant leakage. specified by Daikin are used, fire or explosion may occur. (c) Near machinery emitting electromagnetic waves. • Do not use means to accelerate the defrosting process (if...
  • Page 4: Accessories

    Accessories A Drain socket B Drain cap (1) This is at the bottom of the packaging. C Drain cap (2) D Refrigerant charge label E Installation manual F General safety considerations G Warranty Precautions for Selecting a Location 1) Choose a place solid enough to bear the weight and vibration of the unit, where the operating sound will not be amplified. 2) Choose a location where the air discharged from the unit or the operating sound will not cause a nuisance to the neighbors of the user.
  • Page 5: Precautions On Installation

    Precautions on Installation • Check the strength and level of the installation surface so that the unit does not cause any operating vibrations or noise after installation. • Fix the unit in place securely using foundation bolts, as in the figure. (Prepare 4 sets of 5/16 inch (M8) or 3/8 inch (M10) foundation bolts, nuts and washers;...
  • Page 6: Installation Space Requirements

    Installation Space Requirements • Position the unit on a horizontal surface. Any tilt in the unit should be 3° or less to the horizontal. • Where a wall or other obstacle is in the path of the outdoor unit’s intake or exhaust airflow, follow the installation space requirements below.
  • Page 7: Flaring The Pipe End

    Flaring the pipe end WARNING • Do not apply mineral oil to the flare. • Prevent mineral oil from getting into the system as this would reduce the service life of the units. • Never use piping which has been used for previous installations. Only use parts which are delivered with this unit. •...
  • Page 8: Pressure Test And Evacuating System

    Outdoor Unit Installation Cautions on pipe handling Wall Be sure to • Protect the open end of the pipe from dust and moisture. place a cap. • All pipe bends should be as gentle as possible. Use a pipe bender for bending. Rain If no flare cap is available, cover...
  • Page 9 • When piping work is complete, it is necessary to perform a pressure test Compound Pressure High-pressure pressure gauge meter valve and evacuate system with a vacuum pump. • If using additional refrigerant, purge the air from the refrigerant pipes and indoor unit using a vacuum pump, then charge additional refrigerant.
  • Page 10: Wiring

    Wiring WARNING • Do not ground units to water pipes, gas pipes, telephone wires, or lightning rods as incomplete grounding can cause a severe shock hazard resulting in severe injury or death. Additionally, grounding to gas pipes could cause a gas leak and potential explosion causing severe injury or death. •...
  • Page 11: Facility Setting (Cooling At Low Outdoor Temperature)

    [Method of mounting conduit] • A protection plate is fixed for protection from the high-voltage section. 1) Dismount the stop valve cover by removing the screw. 2) Dismount the protection plate by removing the 3 screws. 3) Dismount the conduit mounting cover by removing the 3 screws. 4) Pass wires through the conduit and secure them with a lock nut.
  • Page 12: When Attaching The Drain Pan Heater

    Facility Setting (cooling at low outdoor temperature) This function is designed for facilities such as equipment or computer rooms. It is never to be used in a residence or office where people occupy the space. „ Cutting jumper 4 (J4) on the circuit board will extend the operation range to 14°F Hook Electrical wiring box cover (3 places)
  • Page 13: Pump Down Operation

    Pump Down Operation Hexagonal wrench In order to protect the environment, be sure to pump down when Liquid stop valve Close relocating or disposing of the unit. 1) Remove the valve caps from the liquid stop valve and gas stop valve. 2) Begin forced cooling operation.
  • Page 14 The two-dimensional bar code is a manufacturing code. 3P686856-1 M21B535 (2205) HT...

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R32 split seriesRxm12wvju9

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