Mitsubishi PU24EK3 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 PU24EK3 Specifications

General

Brand	Mitsubishi
Model	PU24EK3
Category	Air Conditioner
Language	English

Summary

FEATURES

REDI-CHARGED REFRIGERANT SYSTEM

Pre-charged refrigerant system reduces installation time and costs.

WIRING DIAGRAM

Wiring Diagram for PU12EK and PU18EK1

Wiring diagram for PU12EK and PU18EK1 models.

Wiring Diagram for PU18EK

Wiring diagram for PU18EK model.

Wiring Diagram for PU24EK, PU30EK, PU36EK, PU42EK2

Wiring diagram for PU24EK, PU30EK, PU36EK, PU42EK2 models.

Wiring Diagram for PU24EK1, PU30EK1, PU36EK1, PU42EK21, PU42EK7, PU24EK2, PU30EK2, PU36EK2, PU30EK3, PU36EK3, PU42EK71, PU42EK72

Wiring diagram for PU24EK1, PU30EK1, etc. models.

Wiring Diagram for PU42EK7, PU42EK71, PU42EK72

Wiring diagram for PU42EK7 and related models.

REFRIGERANT SYSTEM DIAGRAM

Refrigerant Diagram for PU12EK, PU18EK, PU24EK Series

Refrigerant system diagram for PU12EK, PU18EK, PU24EK series.

Refrigerant Diagram for PU30EK, PU36EK, PU42EK Series

Refrigerant system diagram for PU30EK, PU36EK, PU42EK series.

MICROPROCESSOR CONTROL

Outdoor Microprocessor Control Functions

TROUBLESHOOTING

Service Data Indication by Switches

Troubleshooting According to Check Code

Lists troubleshooting steps based on LED check codes.

Outdoor Unit Not Working

PARTS LIST

Structural Parts for PU12EK, PU18EK, PU18EK1

Structural Parts for PU24EK, PU30EK, and Related Models

Structural Parts for PU36EK, PU42EK, and Related Models

Functional Parts for PU12EK, PU18EK, PU18EK1

Functional Parts for PU24EK and Related Models

Functional Parts for PU30EK and Related Models

Functional Parts for PU36EK and Related Models

Functional Parts for PU42EK2 and PU42EK21

Functional Parts for PU42EK7 and Related Models