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Mitsubishi Electric Mr.Slim PLA-P3AA User Manual

Mitsubishi Electric Mr.Slim PLA-P3AA
72 pages
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TECHNICAL & SERVICE MANUAL
CONTENTS
1. TECHNICAL CHANGES······························2
2. COMBINATION OF INDOOR AND OUTDOOR UNITS··3
3. SAFETY PRECAUTION·······························3
4. PART NAMES AND FUNCTIONS ···············5
5. SPECIFICATIONS ······································11
6. DATA ··························································23
7. OUTLINES AND DIMENSIONS ·················52
8. WIRING DIAGRAM ····································53
9.
REFRIGERANT SYSTEM DIAGRAM
··············54
10. TROUBLESHOOTING ·······························58
11. DISASSEMBLY PROCEDURE ··················60
12. PARTS LIST ···············································63
13. OPTIONAL PARTS ····································68
Indoor unit
[Model names]
PLA-P3AA
PLA-P4AA
PLA-P5AA
PLA-P6AA
No.OC241
REVISED EDITION-B
Ceiling Cassettes
Series PLA
FILTER
CHECK MODE
TEST RUN
WIRED REMOTE
CONTROLLER
[Service Ref.]
PLA-P3AA.UK
PLA-P3AA
1.UK
PLA-P4AA.UK
PLA-P4AA
1.UK
PLA-P5AA.UK
PLA-P5AA
1.UK
PLA-P6AA.UK
PLA-P6AA
1.UK
R407C
ON/OFF
WIRELESS REMOTE
CONTROLLER
SPLIT-TYPE AIR CONDITIONERS
ON/OFF TEMP
MODEL SELECT
NOT AVAILABLE
CHECK
TEST RUN
˚C
AMPM
AMPM
ON/OFF
CENTRALLY CONTROLLED
ERROR CODE
CLOCK
ON OFF
˚C
CHECK
CHECK MODE
FILTER
TEST RUN
FUNCTION
˚C
1Hr.
NOT AVAILABLE
STAND BY
DEFROST
TEMP.
PLA-P•AA.UK
PLA-P•AA
1.UK
PLA-P•AA.UK PLA-P•AA
1.UK
Model name
indication
Revision:
• “12. PARTS LIST” has been
modified.
Program timer <PAC-YT32PTA>
has been added in
13. OPTIONAL PARTS”.
• Please void OC241 REVISED
EDITION-A.
Note:
• Refer to the OCT03 REVISED
EDITION-E as for control
relation. This manual does
not cover outdoor units. When
servicing them, please refer to
the service manual No.OC180
REVISED EDITION-A OC261
and this manual in a set.
OC241-B-1.qxp 04.9.29 5:16 PM Page 1
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Mitsubishi Electric Mr.Slim PLA-P3AA Specifications

General IconGeneral
BrandMitsubishi Electric
ModelMr.Slim PLA-P3AA
CategoryAir Conditioner
LanguageEnglish

Summary

Technical Changes

Technical Changes Overview

Details modifications to model compatibility and remote controller functions.

Combination of Indoor and Outdoor Units

Unit Compatibility Matrix

Tables showing compatible indoor and outdoor unit combinations for heat pump and cooling types.

Safety Precaution

R407C Refrigerant Handling Cautions

Essential safety guidelines for using R407C refrigerant and preventing unit damage.

Part Names and Functions

Indoor Unit Components Identification

Identifies key parts of the indoor unit, including air intake, outlets, and grilles.

Wired Remote Controller Operation Buttons

Explains the function of each button on the wired remote controller for operation.

Part Names and Functions

Wired Remote Controller Display Functions

Describes various display modes and indicators on the wired remote controller.

Wireless remote controller

Wireless Remote Controller Operation Buttons

Explains the function of each button on the wireless remote controller.

Wireless Remote Controller Display Indicators

Details the various indicators and display elements of the wireless remote controller.

Specifications

Heat Pump Type Specifications

Details the specifications for heat pump type indoor and outdoor units.

Specifications

Cooling Only Type Specifications

Details the specifications for cooling-only type indoor and outdoor units.

Data

Cooling Performance Data Tables

Presents detailed cooling capacity performance data across various models and conditions.

Heating Capacity Data

Provides heating capacity performance data for various PUH models.

Performance Correction Factors

Lists correction factors for cooling and heating capacity based on piping length.

Performance Curves

Graphical representation of cooling and heating performance based on temperature conditions.

Standard Operation Data

Heat Pump Type Operation Data

Electrical and refrigerant data for heat pump type units across different voltages.

Outlines and Dimensions

Indoor Unit Dimensions and Outlines

Provides dimensional drawings and specifications for the indoor unit.

Wiring Diagram

Indoor and Outdoor Unit Wiring Diagram

Illustrates the electrical connections between indoor and outdoor units, including component symbols.

Refrigerant System Diagram

Refrigerant Circuit Diagrams

Shows the flow of refrigerant for different model series and operational modes.

Troubleshooting

Component Checking Procedures

Guides on how to check specific parts like thermistors, fan motor, and drain pump for faults.

Disassembly Procedure

Indoor Unit Component Removal Steps

Provides sequential steps for disassembling the indoor unit, covering grille, fan, thermistors, and electrical box.

Parts List

Panel Parts Identification

Lists and illustrates panel components of the indoor unit with part numbers.

Functional Parts Identification

Lists functional components like base, legs, fans, and heat exchangers for PLA-P3/P4 models.

Optional Parts

Program Timer (PAC-SC32PTA/YT32PTA) Details

Covers specifications, features, connection, and functions of the optional program timer.

Other Optional Parts List

Lists other optional accessories like filters, remote controllers, and sensors.

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