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Table of Contents
- 1 Table of Contents
- 2 Reference Manual
- 3 Safety Precaution
- 4 Parts Names and Functions
- 5 Specifications
- 6 Noise Criterion Curves
- 7 Outlines and Dimensions
- 8 Wiring Diagram
- 9 Refrigerant System Diagram
- 10 Troubleshooting
- 11 Function Setting
- 12 Special Function
- 13 Disassembly Procedure
- Download this manual
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
SPLIT-TYPE, AIR CONDITIONERS
SERVICE MANUAL
Indoor unit
[Model Name]
PKA-M35HA
PKA-M35HA-ER
PKA-M50HA
PKA-M50HA-ER
PKA-M35HAL
PKA-M35HAL-ER
PKA-M50HAL
PKA-M50HAL-ER
INDOOR UNIT
[Service Ref.]
PKA-M35HA
PKA-M35HA-ER
PKA-M50HA
PKA-M50HA-ER
PKA-M35HAL
PKA-M35HAL-ER
PKA-M50HAL
PKA-M50HAL-ER
R32/R410A
CONTENTS
1. REFERENCE MANUAL ................................... 2
2. SAFETY PRECAUTION ................................... 3
3. PARTS NAMES AND FUNCTIONS ................. 8
4. SPECIFICATIONS ........................................... 13
5. NOISE CRITERION CURVES ......................... 14
6. OUTLINES AND DIMENSIONS ...................... 15
7. WIRING DIAGRAM ......................................... 16
8. REFRIGERANT SYSTEM DIAGRAM ............ 18
9. TROUBLESHOOTING .................................... 19
10. FUNCTION SETTING .................................... 35
11. SPECIAL FUNCTION ..................................... 36
12. DISASSEMBLY PROCEDURE ....................... 38
PARTS CATALOG (OCB660)
November 2018
No. OCH660
REVISED EDITION-A
Notes:
• Added
PKA-M35HA-ER,
PKA-M50HA-ER,
PKA-M35HAL-ER, and
PKA-M50HAL-ER
in REVISED EDITION-A.
OCH660 is void.
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Table of Contents
Related Manuals for Mitsubishi Electric Mr. Slim PUHZ-SHW112VHA
Summarization of Contents
2 SAFETY PRECAUTION
Meanings of Symbols and Warnings
Explains symbols, warnings, and precautions for refrigerant safety.
General Safety Observances
Essential safety rules to follow before performing service or maintenance.
Refrigerant Handling Cautions
Safety measures for handling R32/R410A refrigerant and related equipment.
1 Warning for Service
Service Cautions and Refrigerant Charge
Guidelines for service operations, including cautions and refrigerant charging.
4 Cautions for Unit Using R32 Refrigerant
Flammable Refrigerant Safety Procedures
Safety checks and procedures for minimizing ignition risk with R32 refrigerant.
3 PARTS NAMES AND FUNCTIONS
Indoor Unit Components
Identifies and describes the key parts of the indoor unit.
Wireless Remote Controller Operation
Explains the display and buttons of the wireless remote controller.
Wired Remote Controller Interface and Menus
Details wired controller interface, menus, and settings.
5 NOISE CRITERION CURVES
Sound Levels
Details sound level measurements for the main unit in an anechoic room.
Noise Criterion Curves
Graphical representation of sound pressure levels across frequencies.
9 TROUBLESHOOTING
Self-Diagnosis and Error Code Overview
Overview of self-diagnosis, error codes, and basic service actions.
Detailed Error Codes and Actions
Lists specific error codes, causes, and countermeasures for malfunctions.
Component Troubleshooting Guide
Troubleshooting for thermistors, fan motors, wiring, and switches.
Emergency Operation Procedures
How to perform emergency operation when controllers or units fail.
10 FUNCTION SETTING
Unit Function Settings via Remote Controller
How to set unit functions like filter sign and fan speed using the remote controller.
11 SPECIAL FUNCTION
Rotation and Backup Function Settings
Settings for alternating operation and backup functions for units.
2nd Stage Cut-In Function Settings
Configuration for the second unit to start based on room temperature.
Rotation & Cut-In Request Code Lists
Lists of request codes for setting rotation and cut-in functions.
12 DISASSEMBLY PROCEDURE
Indoor Unit Panel and Housing Removal
Steps to remove the indoor unit's lower side and front panel.
Removing Internal Boards and Electrical Components
Procedures for removing controller boards and electrical box.
Removing Fan, Motor, Vane, and Thermistors
Steps to remove fan motor, vane motor, and various thermistors.
Removing Heat Exchanger and Room Thermistor
Procedures for removing the heat exchanger and room temperature thermistor.
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