Mitsubishi MSH-A18ND- User Manual

Mitsubishi MSH-A18ND

Mitsubishi MSH-A18ND– 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
  • Page 3 – Test conditions are based on ISO 5151 / SSA 385; OUTDOOR UNIT
  • Page 4 – OUTLINES AND DIMENSIONS
  • Page 6 – WIRING DIAGRAM; MC; MF
  • Page 7 – DSAR
  • Page 8 – REFRIGERANT SYSTEM DIAGRAM; Refrigerant pipe
  • Page 10 – PERFORMANCE CURVES; Air flow should be set at MAX.; How to measure the indoor air wet/dry-bulb temperature difference; Cover the thermometers to prevent direct rays of the sun.; INDOOR UNIT
  • Page 12 – Troubleshooting procedure; components for bursting and discolouration.; TROUBLESHOOTING; Take care the following during servicing.; board with care NOT to apply stress on the components.; Lead wiring
  • Page 15 – Check of outdoor unit; Compressor and / or outdoor fan motor dose not operate.
  • Page 16 – Compressor and / or outdoor fan motor dose not stop.
  • Page 17 – How to check mis-wiring
  • Page 18 – Check of outdoor thermistor
  • Page 19 – Check of solenoid valve coil; Outdoor unit repeats start and stop.; Solenoid valve control; or more after 1
  • Page 21 – DISASSEMBLY INSTRUCTIONS; OPERATING PROCEDURE; Removing the cabinet; Photo 1
  • Page 22 – Hook
  • Page 24 – Photo 6; Removing the propeller and the outdoor fan motor; NOTE : Loose the propeller in the rotating direction for; Removing the compressor
  • Page 25 – Removing the cabinet
  • Page 26 – Photo 5
  • Page 27 – STRUCTURAL PARTS, ELECTRICAL PARTS AND FUNCTIONAL PARTS; Part numbers that are circled are not shown in the illustration.
  • Page 28 – AND FUNCTIONAL PARTS
  • Page 29 – Part numbers that are circled are not shown in the illustration.
  • Page 31 – RoHS
  • Page 36 – Copyright 2005 MITSUBISHI ELECTRIC ENGINEERING CO.,LTD; TM
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CONTENTS

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

2. PART NAMES AND FUNCTIONS ······················3

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

4. OUTLINES AND DIMENSIONS ·························4

5. WIRING DIAGRAM ············································6

6. REFRIGERANT SYSTEM DIAGRAM ················8

7. PERFORMANCE CURVES ······························10

8. TROUBLESHOOTING······································12

9. DISASSEMBLY INSTRUCTIONS ····················21

10. PARTS LIST······················································27

11. RoHS PARTS LIST ···········································30

SPLIT-TYPE AIR CONDITIONERS

TM

MU-A18ND

MU-A18ND-
MU-A18ND-
MU-A24ND-
MU-A24ND-
MU-A30ND-
MU-A30ND-

S2

S1

S2

S1

S2

S1

Indoor unit service manual

MS-A

•

ND Series (OB404)

No. OB405

REVISED EDITION-E

SERVICE MANUAL

Models

OUTDOOR UNIT

NOTE:

• This service manual describes technical data of the outdoor units.
• RoHS compliant products have <G> mark on the spec name plate.

For servicing of RoHS compliant products, refer to the RoHS Parts List.

Please void OB405 REVISED EDITION-D.

Revision E:

•

SPECIFICATION has been modified.

OB405E.qxp 09.10.14 9:16 AM Page 1

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Summary

Page 2 - TECHNICAL CHANGES

2 TECHNICAL CHANGES 1 2 Compressor: NH30VCD ➞ RH247NRAT Compressor: RH277NHD ➞ RH247NRAT Electricity receiving unit: Indoor unit ➞ Outdoor unit Gas pipe diameter: [ 15.88 ➞ [ 12.7 Rated voltage: 220V ➞ 220-230V FrequencyNew ModelOld Model MU-18TN - S1 w : change MU-A18ND - S1 60Hz MU-18SN - C1 w w w...

Page 3 - Test conditions are based on ISO 5151 / SSA 385; OUTDOOR UNIT

3 PART NAMES AND FUNCTIONS 2 SPECIFICATION 3 Outdoor model Function Power supply Capacity Dehumidification Air flow (High/Low) Power outlet Running current (Total) Power input (Total) Power factor (Total) Starting current (Total) Compressor motor current Fan motor current Model Output Winding resist...

Page 4 - OUTLINES AND DIMENSIONS

4 OUTLINES AND DIMENSIONS 4 Unit: mm 100mm or more 350mm or more 100mm or more 100mm or more REQUIRED SPACE 500mm or more 100 157 161 Liquid refrigerant pipe joint Refrigerant pipe (Flared) [ 6.35 Service panel 183 500 850 30 50 20 350 35 248 605 292 20 310 290 345 Air in Air out Drainage3holes [ 33...

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