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Mitsubishi Electric DXK09ZJ-S User Manual

Mitsubishi Electric DXK09ZJ-S
115 pages
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RESIDENTIAL AIR-CONDITIONING
TECHNICAL MANUAL & PARTS LIST
INVERTER WALL MOUNTED TYPE
RESIDENTIAL AIR-CONDITIONER
(Split system, air to air heat pump type)
DXK09ZJ-S
DXK12ZJ-S
DXK18ZJ-S
Manual No.'11•SRK-T-118

Table of Contents

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Mitsubishi Electric DXK09ZJ-S Specifications

General IconGeneral
BrandMitsubishi Electric
ModelDXK09ZJ-S
CategoryAir Conditioner
LanguageEnglish

Summary

TECHNICAL MANUAL

1. SPECIFICATIONS

Details technical specifications for indoor/outdoor units, operational data, and electrical requirements.

2. EXTERIOR DIMENSIONS

Provides unit dimensions, installation clearances, and component locations with diagrams.

3. ELECTRICAL WIRING

Electrical wiring diagrams and component identification for indoor and outdoor units, including color coding.

4. NOISE LEVEL

Presents noise level data in decibels (dB) for indoor and outdoor units across various frequency bands.

5. PIPING SYSTEM

Illustrates refrigerant piping layout and flow for cooling/heating cycles, identifying key components.

6. RANGE OF USAGE & LIMITATIONS

Defines operational limits for temperature, humidity, piping length, and voltage, including selection charts.

■How to read the model name

7. CAPACITY TABLES

Model DXK09ZJ-S Cool Mode

Cooling capacity table for DXK09ZJ-S based on varying indoor/outdoor air conditions.

Model DXK12ZJ-S Cool Mode

Cooling capacity table for DXK12ZJ-S based on varying indoor/outdoor air conditions.

Model DXK18ZJ-S Cool Mode Heat Mode

Cooling/heating capacity table for DXK18ZJ-S across different environmental conditions.

8. APPLICATION DATA

(1) Installation of indoor unit

Guide and safety precautions for indoor unit installation, including location selection and mounting.

(2) Installation of outdoor unit

Installation procedures for the outdoor unit, covering safety, location, and mounting requirements.

SAFETY PRECAUTIONS

9. OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER

(1) Operation control function by remote controller

Explains remote controller functions and button operations for unit control.

(2) Unit ON/OFF button

Details how to start and stop the unit using the ON/OFF button on the unit or remote.

(3) Auto restart function

Describes the auto restart feature, resuming operation after power interruption based on previous settings.

(4) Custom cord switching procedure

Instructions for modifying circuit boards or remote controllers for custom operation settings or compatibility.

(5) Flap and louver control

Explains flap/louver adjustment for airflow direction control using the remote.

(6) 3D auto operation

Details 3D auto operation for automatic airflow direction control based on temperature and operation.

(7) Timer operation

Describes timer functions (comfortable, sleep, off) for scheduling unit operation.

(8) Installation location setting

Guides on setting indoor unit location to optimize airflow and prevent interference.

(9) Outline of heating operation

Explains heating operation components and control details, including fuzzy logic and defrosting.

(10) Outline of cooling operation

Details cooling operation components and control logic, including fuzzy and automatic modes.

(11) Outline of automatic operation

Explains automatic mode determination based on indoor/outdoor temperatures.

(12) Protective control function

Describes various protective functions preventing damage or malfunction under specific conditions.

10. MAINTENANCE DATA

(1) Cautions

General cautions and safety guidelines before performing maintenance or troubleshooting.

(2) Items to check before troubleshooting

Checklist of items to verify before troubleshooting to identify common issues.

(3) Troubleshooting procedure (If the air conditioner does not run at all)

Step-by-step guide to diagnose/resolve issues when the air conditioner fails to start.

(4) Troubleshooting procedure (If the air conditioner runs)

Diagnostic flowchart for troubleshooting problems when the unit is running but not functioning correctly.

(5) Self-diagnosis table

Table listing error codes, causes, and display patterns for diagnosing unit malfunctions.

(6) Service mode (Trouble mode access function)

Explains accessing/interpreting service data like error logs and protective stop history for diagnosis.

7. INSPECTION PROCEDURES CORRESPONDING TO DETAIL OF TROUBLE

Sensor error

Procedures for inspecting/diagnosing issues with temperature sensors and their connections.

Discharge pipe sensor temperature characteristics

Graph of discharge pipe temperature vs. resistance for sensor diagnostics.

Indoor fan motor error

Steps to diagnose indoor fan motor faults, checking resistance and PCB issues.

Current cut

Troubleshooting steps for current cut errors, indicating potential issues like compressor lock or faulty components.

Current safe stop

Diagnosing current safe stop errors, possibly related to refrigerant, ventilation, or sensor issues.

Over heat of compressor

Procedures for compressor overheating, potentially due to refrigerant, sensor, or valve issues.

Error of signal transmission

Troubleshooting steps for signal transmission errors between indoor/outdoor units or PCB faults.

Trouble of outdoor unit

Guide for outdoor unit malfunctions: power, refrigerant, EEVs, and PCB issues.

Outdoor fan motor error

Steps to diagnose outdoor fan motor errors, checking connections, resistance, and PCB.

Rotor lock

Procedure for diagnosing rotor lock issues, related to compressor starting or power transistor faults.

11. OPTION PARTS

11.1 Installation of wired remote controller (RC-E4)

Instructions for installing the optional wired remote controller, including wiring and mounting.

11.2 Interface kit (SC-BIKN-E)

Details on installing the interface kit for external control devices or wired remote controllers.

11.3 Super link E board (SC-ADNA-E)

Information on installing the Super Link E board for multi-unit control and external communication.

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