Mitsubishi Electric MFXZ-KW35VG Installation Manual
Mitsubishi Electric MFXZ-KW35VG Installation Manual

Mitsubishi Electric MFXZ-KW35VG Installation Manual

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FLOOR TYPE AIR CONDITIONERS
MFXZ-KW25VG MFXZ-KW35VG MFXZ-KW50VG
REFRIGERANT
R32/R410A
INSTALLATION MANUAL
• This manual only describes the installation of indoor unit. When installing the
outdoor unit, refer to the installation manual of outdoor unit.
For INSTALLER
English

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Summary of Contents for Mitsubishi Electric MFXZ-KW35VG

  • Page 1 REFRIGERANT R32/R410A FLOOR TYPE AIR CONDITIONERS MFXZ-KW25VG MFXZ-KW35VG MFXZ-KW50VG For INSTALLER INSTALLATION MANUAL English • This manual only describes the installation of indoor unit. When installing the outdoor unit, refer to the installation manual of outdoor unit.
  • Page 2: Table Of Contents

    Required Tools for Installation CONTENTS Model names are indicated Phillips screwdriver Flare tool for R32, R410A 1. BEFORE INSTALLATION ........1 in 1-3. Level Gauge manifold for R32, R410A 2. INDOOR UNIT INSTALLATION ......4 Scale Vacuum pump for R32, R410A This installation manual describes 3.
  • Page 3: Selecting The Installation Location

    (Could lead to serious injury in particular environments when operated incorrectly.) CAUTION n Perform the drainage/piping work securely accord- n Do not install the outdoor unit where small animals n Do not install the unit in a place where smoke, gas, or chemicals may fill.
  • Page 4: Specifications

    Power supply *1 Model Insulation thickness *7,*8 Rated Voltage Frequency Indoor/outdoor connecting wire Liquid MFXZ-KW25VG ø9.52 mm (0.8 mm) MFXZ-KW35VG ø6.35 mm 230 V 50 Hz 4-core 2.0 mm 14 mm (0.8 mm) ø12.7 mm MFXZ-KW50VG (0.8 mm) *8 Be sure to use the insulation of specified thickness. Excessive *1 Connect to the power switch which has a gap of 3 mm or more *4 Use a copper pipe or a copper-alloy seamless pipe.
  • Page 5: Indoor Unit Installation

    2. INDOOR UNIT INSTALLATION 2-1. FIXING OF INDOOR UNIT MOUNTING BRACKET • Do not install the indoor unit at a place higher than 150 mm. • Find a structural material (such as a stud) in the wall and fix bracket (7) horizontally with fixing screws (8). •...
  • Page 6 2-4. INDOOR UNIT INSTALLATION 2-4-1. INSTALLING THE INDOOR UNIT ON THE FLOOR 1) Place the indoor unit on the flat floor. 2) Fix the indoor unit at 4 points with the included wood screws (9) and washers (10). Tighten the screws securely. 2-4-2.
  • Page 7: Drain Piping

    2-6. PIPE FORMING AND INSTALLATION Refrigerant Note: Refer to 3. FLARE CONNECTION, PIPE CONNECTION. Piping Push piping tape Pipe Forming Indoor unit • Route the drain hose diagonally below the connecting pipes. • Make sure that the drain hose is not routed upward and that there are no Piping bent outward Drain hose waves in the hose.
  • Page 8: Front Panel Installation

    2-8. FRONT PANEL INSTALLATION 1) Open the rear horizontal vane. 2) Attach the panel. Make sure that the catches are engaged. 3) Fix the panel with screws. 4) Insert the bottom part of the front panel. 5) Push 3 places on the upper part of the front panel to close it. Panel Indoor unit Front panel...
  • Page 9: Flare Connection, Pipe Connection

    3. FLARE CONNECTION, PIPE CONNECTION 3-1. FLARING WORK No good Good 1) Cut the copper pipe correctly with pipe cutter. (Fig. 1, 2) Copper 2) Completely remove all burrs from the cut cross section of pipe. (Fig. 3) pipe • Put the end of the copper pipe to downward direction as you remove burrs in order to avoid to let burrs drop in the piping.
  • Page 10: Pumping Down

    5. PUMPING DOWN Refer to the procedures indicated in the installation manual of the outdoor unit. WARNING When the refrigeration circuit has a leak, do not execute pump down with the compressor. When pumping down the refrigerant, stop the compressor before disconnecting the refrigerant pipes.
  • Page 11 EN-10...
  • Page 12 This product is designed and intended for use in the residential, commercial and light-industrial environment. HEAD OFFICE: TOKYO BUILDING, 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN DG79V611H01...

This manual is also suitable for:

Mfxz-kw25vgMfxz-kw50vg

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