Mitsubishi MS-A18WV- User Manual

Mitsubishi MS-A18WV

Mitsubishi MS-A18WV– User Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.

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Table of Contents:

  • Page 2 – TECHNICAL CHANGES; INFORMATION FOR THE AIR CONDITIONER WITH R410A REFRIGERANT
  • Page 3 – Conversion chart of refrigerant temperature and pressure; NOTE : The unit of pressure has been changed to MPa on the; Can R22 tools be used?; Tools dedicated for the air conditioner with R410A refrigerant
  • Page 5 – PART NAMES AND FUNCTIONS; OUTDOOR UNIT; SPECIFICATION
  • Page 7 – NOISE CRITERIA CURVES
  • Page 8 – OUTLINES AND DIMENSIONS
  • Page 9 – WIRING DIAGRAM; MODEL WIRING DIAGRAM; MF
  • Page 10 – DSAR; LEV
  • Page 11 – REFRIGERANT SYSTEM DIAGRAM
  • Page 12 – MAX. HEIGHT DIFFERENCE
  • Page 14 – PERFORMANCE CURVES
  • Page 16 – PERFORMANCE DATA COOL operation; NOTE
  • Page 22 – MICROPROCESSOR CONTROL
  • Page 25 – TROUBLESHOOTING
  • Page 28 – Check of outdoor unit; Compressor and/or outdoor fan motor doesn’t operate.
  • Page 29 – Compressor and/or outdoor fan motor doesn’t stop.; How to check mis-wiring
  • Page 30 – Check of outdoor thermistor
  • Page 32 – DISASSEMBLY INSTRUCTIONS; OPERATING PROCEDURE; Removing the cabinet; Photo 1
  • Page 33 – PHOTOS; Removing the outdoor fan motor; Photo 5
  • Page 34 – Removing the electrical parts
  • Page 36 – Removing the cabinet
  • Page 37 – Photo 6; Removing the propeller and the outdoor fan motor; NOTE : Loose the propeller in the rotating direction for
  • Page 38 – PARTS LIST; STRUCTURAL PARTS, ELECTRICAL PARTS AND FUNCTIONAL PARTS
  • Page 39 – AND FUNCTIONAL PARTS
  • Page 40 – Copyright 2003 MITSUBISHI ELECTRIC ENGINEERING CO.,LTD
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SERVICE MANUAL

CONTENTS

1. TECHNICAL CHANGES ····································2

2. PART NAMES AND FUNCTIONS ······················5

3. SPECIFICATION·················································5

4. NOISE CRITERIA CURVES ·······························7

5. OUTLINES AND DIMENSIONS ·························8

6. WIRING DIAGRAM ············································9

7. REFRIGERANT SYSTEM DIAGRAM ··············11

8. PERFORMANCE CURVES ······························14

9. MICROPROCESSOR CONTROL ····················22

10. TROUBLESHOOTING ······································25

11. DISASSEMBLY INSTRUCTIONS ·····················32

12. PARTS LIST······················································38

Wireless type

Models

MU-A18WV -
MU-A24WV -
MU-A30WV -

E1

E1

E1

SPLIT-TYPE, AIR CONDITIONERS

MU-A18WV -

E1

Indication of model name

NOTE:
•This service manual describes technical data of outdoor units.

As for indoor units MS-A18WV-

, MS-A24WV-

and MS-A30WV-

, refer to the service manual

OB325.

E1

E1

E1

No. OB326

REVISED EDITION-A

Revision A:

●

Resistance of LEV (Expansion valve) has been

modified.

●

Power input and others have been added to

SPECIFICATION.

HFC

utilized

R410A

Please void OB326.

OB326A-1.qxp 04.2.9 10:41 AM Page 1

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Summary

Page 2 - TECHNICAL CHANGES; INFORMATION FOR THE AIR CONDITIONER WITH R410A REFRIGERANT

TECHNICAL CHANGES 2 1 MU-18RV - ➔ MU-A18WV - 1. Refrigerant has changed. (R22 ➔ R410A) 2. Refrigerant system diagram has changed. • Diameter of stop valve has changed. (Gas: [ 15.88 ➔ [ 12.7) • Accumulator has removed. 3. Oil separator has been added. 4. Compressor has changed. (PH33VPET ➔ RN196VHSH...

Page 3 - Conversion chart of refrigerant temperature and pressure; NOTE : The unit of pressure has been changed to MPa on the; Can R22 tools be used?; Tools dedicated for the air conditioner with R410A refrigerant

3 NOTE : The unit of pressure has been changed to MPa on the international system of units(SI unit system). The conversion factor is: 1(MPa [Gauge]) =10.2(kgf/ f f [Gauge]) New Specification Current Specification The incompatible refrigerating oil easily separates from refrigerant and is in the uppe...

Page 5 - PART NAMES AND FUNCTIONS; OUTDOOR UNIT; SPECIFICATION

5 PART NAMES AND FUNCTIONS 2 Drainage hose Piping Air inlet Air inlet Air outlet Drain outlet (back and side) Air outlet (back and side) OUTDOOR UNIT MU-A18WV -MU-A24WV - E1 E1 MU-A30WV - E1 SPECIFICATION 3 Outdoor model Function Power supply CapacityDehumidificationAir flow(High) Power outletRunnin...

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