Mitsubishi Mr.Slim PLA-A-AA- User Manual

Mitsubishi Mr.Slim PLA-A-AA

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Table of Contents:

  • Page 2 – • Indoor controller board has been changed.
  • Page 3 – SAFETY PRECAUTION; Cautions for units utilising refrigerant R410A; Use new refrigerant pipes.; Be sure to use a filter drier for new refrigerant.
  • Page 4 – Specifications
  • Page 5 – PART NAMES AND FUNCTIONS; Grille; Indoor Unit; Operation Section
  • Page 6 – Wired remote controller; ̊F ̊C; Display Section
  • Page 7 – Wireless remote controller
  • Page 8 – SPECIFICATIONS
  • Page 10 – NOISE CRITERION CURVES; UNIT
  • Page 11 – OUTLINES AND DIMENSIONS
  • Page 12 – WIRING DIAGRAM
  • Page 13 – Heat exchanger; REFRIGERANT SYSTEM DIAGRAM
  • Page 14 – TROUBLESHOOTING
  • Page 15 – Malfunction-diagnosis method at maintenance service>
  • Page 16 – [Output pattern A] Errors detected by indoor unit
  • Page 22 – 0-4. TROUBLESHOOTING BY INFERIOR PHENOMENA; Phenomena
  • Page 26 – Thermistor R
  • Page 29 – 0-8. FUNCTIONS OF DIP SWITCH AND JUMPER WIRE
  • Page 30 – DISASSEMBLY PROCEDURE; OPERATING PROCEDURE; Removing the air intake grille; Photo 2; Removing the room temperature thermistor; Photo 1
  • Page 31 – Removing the panel; Photo 6; Removing the fan motor; Photo 3; Removing the drain pan; Figure 2; Removing the pipe temperature thermistor
  • Page 32 – Removing the heat exchanger; Photo 7
  • Page 33 – Wiring; Part number that is circled is not shown in the figure.
  • Page 34 – Parts Name; MF; SPL WASHER
  • Page 35 – CONDENSER / EVAPORATOR TEMPERATURE THERMISTOR
  • Page 36 – Specification
  • Page 38 – RoHS PARTS LIST; GEAR; RoHS
  • Page 44 – TM
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SERVICE MANUAL

SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
SPLIT-TYPE, AIR CONDITIONERS

No. OC370

REVISED EDITION-B

CONTENTS

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

2. REFERENCE MANUAL ······································2

3. SAFETY PRECAUTION ···································3

4. PART NAMES AND FUNCTIONS ···················5

5. SPECIFICATIONS ············································8

6. NOISE CRITERION CURVES ························10

7. OUTLINES AND DIMENSIONS ·····················11

8. WIRING DIAGRAM············································12

9. REFRIGERANT SYSTEM DIAGRAM ··················13

10. TROUBLESHOOTING ···································14

11. DISASSEMBLY PROCEDURE·······················30

12. PARTS LIST ···················································33

13. RoHS PARTS LIST ········································38

Indoor unit

[Model names]

[Service Ref.]

PLA-A12AA

PLA-A12AA PLA-A12AA

1

PLA-A18AA

PLA-A18AA PLA-A18AA

1

PLA-A24AA

PLA-A24AA PLA-A24AA

1

PLA-A30AA

PLA-A30AA PLA-A30AA

1

PLA-A36AA

PLA-A36AA PLA-A36AA

1

PLA-A42AA

PLA-A42AA PLA-A42AA

1

June 2007

INDOOR UNIT

WIRED REMOTE

CONTROLLER

WIRELESS REMOTE

CONTROLLER

ON/OFF

TEMP

ON/OFF

TEMP.

Model name
indication

3 3 2 2 3

NOTE:

• This manual describes only

service data of the indoor
units.

• RoHS compliant products

have <G> mark on the spec
name plate.

• For servicing RoHS compliant

products, refer to the RoHS
PARTS LIST.

Revision:

• WIRING DIAGRAM has been

changed in REVISED EDI-
TION-B.

• Some descriptions have been

modified.

• Please void OC370 REVISED

EDITION-A.

OC370B--1.qxp 07.6.20 2:42 PM Page 1

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Summary

Page 2 - • Indoor controller board has been changed.

2 1 TECHNICAL CHANGES 2 REFERENCE MANUAL Service Ref. PUZ-A18/24/30/36/42NHAPUZ-A18/24/30/36/42NHA-BSPUY-A12/18/24/30/36/42NHA (1) PUY-A12/18/24/30/36/42NHA (1) -BS Service Manual No. OC367 2-1. OUTDOOR UNIT SERVICE MANUAL Series (Outdoor unit) PUZ-A·NHA(-BS)PUY-A·NHA(-BS) Manual No. OCS04 2-2. TECH...

Page 3 - SAFETY PRECAUTION; Cautions for units utilising refrigerant R410A; Use new refrigerant pipes.; Be sure to use a filter drier for new refrigerant.

3 SAFETY PRECAUTION 3 Cautions for units utilising refrigerant R410A 3-2. CAUTIONS RELATED TO NEW REFRIGERANT Use new refrigerant pipes. Make sure that the inside and outside of refrige-rant piping is clean and it has no contaminationsuch as sulfur hazardous for use, oxides, dirt, shaving particles,...

Page 4 - Specifications

4 Gravimeter Unit [3] Service tools Use the below service tools as exclusive tools for R410A refrigerant. No. Specifications 1 Gauge manifold ·Only for R410A ·Use the existing fitting specifications. (UNF1/2) ·Use high-tension side pressure of 5.3MPa·G or over. 2 Charge hose ·Only for R410A ·Use pre...

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