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Mitsubishi PU36EK User Manual

Mitsubishi PU36EK
45 pages
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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
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Mitsubishi PU36EK Specifications

General IconGeneral
Cooling Capacity3.6 kW
Heating Capacity4.0 kW
Energy Efficiency RatingA++
RefrigerantR32
Outdoor Unit Dimensions (H x W x D)550 x 800 x 285 mm
Power Supply220-240V, 50Hz
Energy Efficiency Ratio (EER)3.5
Noise Level (Outdoor Unit)50 dB(A)
TypeSplit Type

Summary

FEATURES

REDI-CHARGED REFRIGERANT SYSTEM

Highlights the industry's first redi-charged refrigerant system for reduced installation time.

HIGH RELIABILITY AND EASY SERVICING

Details features like self-diagnostic function, time delay, and auto-restart for reliability.

FOUR-WAY PIPING ACCESS INSTALLATION LAYOUT EASY

Describes the flexible piping connection from four directions for easier installation.

OUTDOOR UNIT DIMENSIONS AND OUTLINES

WIRING DIAGRAMS AND COMPONENTS

PU12EK PU18EK1 WIRING DIAGRAM

Presents the wiring diagram and component list for PU12EK and PU18EK1 models.

PU18EK WIRING DIAGRAM AND COMPONENTS

PU18EK WIRING DIAGRAM

Details wiring diagram and component list for the PU18EK model.

PU24EK PU30EK PU36EK PU42EK2 WIRING DIAGRAM

PU24EK PU30EK PU36EK PU42EK2 WIRING DIAGRAM

Presents wiring diagrams and component lists for PU24EK, PU30EK, PU36EK, PU42EK2.

VARIOUS PU MODELS WIRING DIAGRAM

VARIOUS PU MODELS WIRING DIAGRAM

Wiring diagrams and component lists for various PU models.

PU42EK7 SERIES WIRING DIAGRAM

PU42EK7 PU42EK71 PU42EK72 WIRING DIAGRAM

Wiring diagrams and component lists for PU42EK7 series models.

REFRIGERANT SYSTEM DIAGRAM

REFRIGERANT SYSTEM DIAGRAM PU12EK PU18EK PU24EK SERIES

Illustrates the refrigerant system for PU12EK, PU18EK, PU24EK models.

REFRIGERANT SYSTEM DIAGRAM PU30EK PU36EK PU42EK SERIES

Shows the refrigerant system for PU30EK, PU36EK, PU42EK models.

MICROPROCESSOR CONTROL SYSTEM

OUTDOOR MICROPROCESSOR CONTROL

Details the protection functions and controls managed by the outdoor microprocessor.

PROTECTION FUNCTION DETAILS

Explains protection mechanisms like phase error, overcurrent, and high pressure switch.

TROUBLESHOOTING GUIDE

SERVICE DATA INDICATION VIA SWITCHES

Explains using SW1, SW2, SW3 to display output state and check codes via LEDs.

CHECK CODE INTERPRETATION

Details check codes and their corresponding diagnosis, cause, and check points.

TROUBLESHOOTING CHECK CODES AND FAULTS

TROUBLESHOOTING BY CHECK CODE

Lists check codes, malfunction diagnosis, causes, and check points.

OUTDOOR UNIT NOT WORKING CAUSES

Lists common causes and check points when the outdoor unit fails to operate.

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