Mitsubishi PU36EK2 User Manual

TECHNICAL & SERVICE MANUAL
SPLIT-TYPE, AIR CONDITIONERS
CONTENTS
1. FEATURES ························································2
2. TECHNICAL CHANGE······································3
3. COMBINATION OF INDOOR AND OUTDOOR UNITS ··············4
4. PART NAMES AND FUNCTIONS·····················4
5. SPECIFICATIONS ·············································5
6. DATA··································································6
7. OUTLINES AND DIMENSIONS ························9
8. WIRING DIAGRAM··········································13
9. REFRIGERANT SYSTEM DIAGRAM ···················18
10. MICROPROCESSOR CONTROL····················19
11. TROUBLESHOOTING ·····································21
12. DISASSEMBLY INSTRUCTIONS····················25
13. PARTS LIST·····················································29
<Outdoor unit>
Models
Outdoor unit
TM
PU12EK
PU18EK PU18EK
1
PU24EK PU24EK1 PU24EK2 PU24EK3
PU30EK PU30EK1 PU30EK2 PU30EK3
PU36EK PU36EK1 PU36EK2 PU36EK3
PU42EK2 PU42EK21
PU42EK7 PU42EK71 PU42EK72
No. OC247
REVISED EDITION-E
L
I
S
T
E
D
CUS
•Please void OC247 REVISED EDITION-D.
Revision:
•Wiring diagram for PU12EK has been modified in
”8. WIRING DIAGRAM”.
•Transformer and outdoor controller board for
PU12EK has been modified in ”13. PARTS LIST”.
Note:
•Refer to other manual as for Indoor Units.
Model name
indication
OC247-E--1.qxp 04.8.11 4:25 PM Page 1

Mitsubishi PU36EK2 Specifications

General

Brand	Mitsubishi
Model	PU36EK2
Category	Air Conditioner
Language	English

Summary

Features of Mitsubishi Electric Air Conditioners

Redi-Charged Refrigerant System

Describes the pre-charged refrigerant system for reduced installation time.

High Reliability and Easy Servicing

Highlights features like self-diagnostic, auto-restart, and emergency operation.

Four-Way Piping Access for Easy Installation

Explains the flexibility of piping connection from four directions.

Front-Access Design for Maintenance

Details the front-access panel for simplified maintenance.

Technical Change Information

Indoor and Outdoor Unit Combinations

Part Names and Functions Identification

Product Specifications

Technical Data and Refrigerant Information

Noise Criterion Curves

Outlines and Dimensions

Wiring Diagram and Notes

Wiring Notes: LEDs, Switches, and Connections

Explains LED indicators, switch functions, and wiring precautions.

Refrigerant System Diagrams

Microprocessor Control System

Outdoor Unit Microprocessor Control

Details protection functions and control logic for the outdoor unit.

Troubleshooting Guide

Service Data via Switches and LEDs

Explains how to use switches to display service data and check codes.

Troubleshooting by Check Code

Lists check codes, their causes, and corresponding check points.

Disassembly Instructions for Outdoor Units

Parts List: Structural Components

Functional Parts Overview

Functional Parts Overview by Model

Lists and illustrates functional components across various model series.