Mitsubishi Electric MXZ-3A54VA Installation Manual
Mitsubishi Electric MXZ-3A54VA Installation Manual

Mitsubishi Electric MXZ-3A54VA Installation Manual

Split-type air conditioner
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SPLIT-TYPE AIR CONDITIONER

INSTALLATION MANUAL

MXZ-3A54VA
Model
MXZ-4A71VA
Refer to the installation manual of each indoor unit for indoor unit installation.
FOR INSTALLER
HFC
utilized
R410A
CONTENTS
SAFETY .............................................................................................2
2. INSTALLATION DIAGRAM & ACCESSORIES ..................................2
3. SELECTING THE INSTALLATION LOCATION .................................3
4. OUTDOOR UNIT INSTALLATION .....................................................4
TEST RUN .........................................................................................5
IMPORTANT NOTES
TO COMPLY WITH THE REQUIREMENTS OF AUSTRALIAN
STANDARD AS 3000 S.A.A. WIRING RULES, THE ELECTRICAL
WIRING REQUIRED BETWEEN THE INDOOR AND OUTDOOR
UNITS MUST BE INSTALLED BY A LICENCED ELECTRICAL
CONTRACTOR.

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Summary of Contents for Mitsubishi Electric MXZ-3A54VA

  • Page 1: Table Of Contents

    SPLIT-TYPE AIR CONDITIONER CONTENTS 1. THE FOLLOWING SHOULD ALWAYS BE OBSERVED FOR SAFETY .....................2 INSTALLATION MANUAL 2. INSTALLATION DIAGRAM & ACCESSORIES ........2 MXZ-3A54VA 3. SELECTING THE INSTALLATION LOCATION .........3 Model MXZ-4A71VA 4. OUTDOOR UNIT INSTALLATION .............4 utilized R410A 5. INDOOR/OUTDOOR UNITS CONNECTION FINISHING AND TEST RUN ..................5...
  • Page 2: The Following Should Always Be Observed For

    1. THE FOLLOWING SHOULD ALWAYS BE OBSERVED FOR 2. INSTALLATION DIAGRAM & ACCESSORIES SAFETY • Be sure to read “THE FOLLOWING SHOULD ALWAYS BE OBSERVED FOR SAFETY” before installing Before installation the air conditioner. • Be sure to observe the cautions specified here as they include important items related to safety. This installation manual is only for the outdoor unit installation.
  • Page 3: Selecting The Installation Location

    MXZ-4A71VA. Note: When operating the air conditioner in low outside temperature, be sure to follow the instructions MXZ-3A54VA Combination described below. 1 UNIT • Never install the outdoor unit in a place where its air inlet/outlet side may be exposed directly to...
  • Page 4: Outdoor Unit Installation

    Service space 100 or more 500 or more 100 or more 500 or more 350 or more Window More than 200 mm More than More than More than 350 mm 100 mm 200 mm More than 200 mm Less than 1,200 mm of the front surface side...
  • Page 5: Indoor/Outdoor Units Connection Finishing And

    Liquid pipe ø6.35 mm the stop valve. B unit D UNIT Gas pipe ø9.52 mm A unit MXZ-3A54VA Valve size for outdoor unit Liquid pipe ø6.35 mm A UNIT WARNING: Gas pipe ø9.52 mm • Be sure to attach the service panel of the outdoor unit securely, otherwise it may result in a fire or Liquid pipe ø6.35 mm...
  • Page 6 Flare tool for R410A Conventional flare tool • When connecting the model 50 to either unit B, C or D for MXZ-4A71VA and A, B or C for MXZ-3A54VA, clutch type Clutch type Wing nut type use optional different-diameter joints MAC-A454JP because the valve size of gas pipes for the outdoor unit ø6.35 mm...
  • Page 7: Earthing Work

    PURGING PROCEDURES·LEAK TEST WARNING: When installing or moving the unit, do not mix anything other than specified refrigerant (R410A) into • Perform the manifold valve work securely according to the installation manual of the manifold valve. the refrigerating cycle. If air is mixed, it may cause the refrigerating cycle to get abnormally high temperature, causing a risk PURGING PROCEDURES of burst.
  • Page 8 5-7 LOWERING THE OPERATING NOISE OF THE OUTDOOR UNIT CAUTION: When charging the refrigerant system with additional refrigerant, be sure to use liquid refrigerant. Adding • Description of the function: gas refrigerant may change the composition of the refrigerant in the system and affect normal operation With this function, you can lower the operation noise of of the air conditioner.
  • Page 9 HEAD OFFICE: TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODAKU, TOKYO 100-8310, JAPAN SG79Y630H01...

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