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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-SHW112YHA
Summarization of Contents
Safety Precautions
General Safety Observations
Essential safety guidelines to follow during operation and maintenance.
Refrigerant Handling Cautions
Specific warnings and procedures for handling refrigerants like R32/R410A.
Parts Names and Functions
Indoor Unit Component Identification
Identifies and describes the main parts of the indoor unit.
Noise Criterion Curves
Sound Level Measurements
Details sound pressure levels measured in an anechoic room.
Noise Criterion Graphs
Graphical representation of sound pressure levels vs. frequency.
Troubleshooting
Troubleshooting Summary
Summary of self-diagnosis codes and recommended service actions.
Malfunction Diagnosis via Remote Controller
Method to diagnose malfunctions using the remote controller.
Self-Diagnosis Action Table
Detailed table of check codes, causes, and countermeasures.
Problem Troubleshooting Guide
Addresses issues based on specific phenomena like LED status or performance failures.
Emergency Operation Procedures
Procedures for operating the unit in emergency situations.
Component Checking Procedures
Guides on how to check specific components like thermistors and motors.
Test Point Diagram for Diagnosis
Illustrates test points on the indoor controller board for diagnosis.
DIP Switch and Jumper Wire Functions
Explains the functions controlled by DIP switches and jumper wires.
Function Setting
Remote Controller Unit Function Settings
How to set various unit functions using the remote controller.
Special Function
Rotation, Back-up, and 2nd Stage Cut-in Functions
Details on rotation, back-up, and staged cut-in functions for multi-unit systems.
Disassembly Procedure
Removing Indoor Unit Lower Side
Step-by-step guide to remove the bottom part of the indoor unit.
Removing the Front Panel
Instructions for safely removing the front panel of the indoor unit.
Removing Control Boards and Wireless Controller
Procedure to remove the main control boards and wireless controller.
Removing the Electrical Box
Steps to detach and remove the electrical box assembly.
Removing Nozzle Assembly and Drain Hose
Guide to detach the nozzle assembly and drain hose.
Removing Fan Motor and Line Flow Fan
Instructions for removing the fan motor and fan.
Removing the Vane Motor Unit
Steps to remove the vane motor unit.
Removing Thermistors (TH2, TH5)
How to remove pipe and temperature thermistors.
Removing the Heat Exchanger
Procedure to remove the indoor unit's heat exchanger.
Removing Room Temperature Thermistor (TH1)
Steps to remove the room temperature thermistor.
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