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Mitsubishi Electric PCFY-P15NKMU-E User Manual

Mitsubishi Electric PCFY-P15NKMU-E
36 pages
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TECHNICAL & SERVICE MANUAL
CONTENTS
1. PART NAMES AND FUNCTIONS
..........
2
2. SPECIFICATION
.....................................
4
3. OUTLINES AND DIMENSIONS
..............
8
4. WIRING DIAGRAM
...............................
11
5. REFRIGERANT SYSTEM DIAGRAM
........
12
6. MICROPROCESSOR CONTROL
...............
13
7. TROUBLESHOOTING
..........................
20
8. DISASSEMBLY PROCEDURE
.............
29
Indoor unit
[Model names] [Service Ref.]
PCFY-P15NKMU-E
PCFY-P15NKMU-E
PCFY-P24NKMU-E
PCFY-P24NKMU-E
PCFY-P30NKMU-E
PCFY-P30NKMU-E
PCFY-P36NKMU-E
PCFY-P36NKMU-E
No. OCH450
INDOOR UNIT
R22R410A
Note:
This manual describes only
service data of the indoor
units.
RoHS compliant products
have <G> mark on the spec
name plate.
February 2009
PARTS CATALOG (OCB450)
Model name
indication
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
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Mitsubishi Electric PCFY-P15NKMU-E Specifications

General IconGeneral
BrandMitsubishi Electric
ModelPCFY-P15NKMU-E
CategoryAir Conditioner
LanguageEnglish

Summary

Specifications

General Specifications

Provides detailed technical data including capacity, dimensions, weight, and airflow for various models.

Outlines and Dimensions

PCFY-P15NKMU-E Dimensions

Provides detailed physical dimensions, installation points, and notes for the PCFY-P15NKMU-E model.

PCFY-P24NKMU-E Dimensions

Provides detailed physical dimensions, installation points, and notes for the PCFY-P24NKMU-E model.

PCFY-P30, 36NKMU-E Dimensions

Provides detailed physical dimensions, installation points, and notes for the PCFY-P30 and PCFY-P36NKMU-E models.

Wiring Diagram

Indoor Unit Wiring Diagram

Illustrates the wiring connections for all supported indoor unit models.

Wiring Notes and Settings

Important notes on wiring, remote controllers, M-NET, and dip switch configurations.

Refrigerant System Diagram

Refrigerant Flow and Components

Depicts refrigerant flow in cooling/heating and lists key components and pipe sizes.

Microprocessor Control

Cool Operation Control

Details thermoregulating, anti-freezing, and fan speed control in COOL mode.

Troubleshooting

Part Checking Procedures

Guides on how to check components like thermistors, motors, and switches using a tester.

Fan Motor Troubleshooting

Step-by-step guide for diagnosing DC fan motor and circuit board issues.

Dip Switch Functions and Settings

Address Setting (SW11, SW12)

Instructions for setting the unit's address using rotary switches.

Test Point Diagram and Address Board

Indoor Controller Board Test Points

Illustrates test points on the indoor controller board for various components.

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