EasyManua.ls Logo

Mitsubishi Electric MSZ-FH25VE2-E1 User Manual

Mitsubishi Electric MSZ-FH25VE2-E1
42 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image
CONTENTS
1. TECHNICAL CHANGES ··································· 3
2. PART NAMES AND FUNCTIONS ····················· 4
3. SPECIFICATION ················································ 5
4. NOISE CRITERIA CURVE ································ 6
5. OUTLINES AND DIMENSIONS ························ 7
6. WIRING DIAGRAM ············································ 8
7. REFRIGERANT SYSTEM DIAGRAM ············· 10
8. SERVICE FUNCTIONS ····································11
9. MICROPROCESSOR CONTROL ··················· 13
10. TROUBLESHOOTING ····································· 21
11. DISASSEMBLY INSTRUCTIONS ···················· 38
SERVICE MANUAL
PARTS CATALOG (OBB623)
NOTE:
RoHS compliant products have <G> mark on the spec name plate.
Outdoor unit service manual
MUZ-FH·VEHZ Series (OBH625)
MUZ-FH·VE Series
MXZ-D·VA Series
No. OBH623
REVISED EDITION-D
Models
MSZ-FH25VE
-
E1
,
ER1
MSZ-FH35VE
-
E1
,
ER1
MSZ-FH50VE
-
E1
,
ER1
MSZ-FH25VE2
-
E1
,
ER1
MSZ-FH35VE2
-
E1
,
ER1
MSZ-FH50VE2
-
E1
,
ER1
Outdoor unit service manual
MUZ-FH·VE Series (OBH624)
MUZ-FH·VEHZ Series (OBH625)
MXZ-D·VA Series (OBH626)
Please void OBH623 REVISED EDITION-C.
Revision D:
• MSZ-FH25VE2-
E1
,
ER1
, MSZ-
FH35VE2-
E1
,
ER1
and MSZ-
FH50VE2-
E1
,
ER1
have been added.
INDOOR UNIT
Question and Answer IconNeed help?

Do you have a question about the Mitsubishi Electric MSZ-FH25VE2-E1 and is the answer not in the manual?

Mitsubishi Electric MSZ-FH25VE2-E1 Specifications

General IconGeneral
TypeSplit System
Cooling Capacity2.5 kW
Heating Capacity3.2 kW
Energy Efficiency Class (Cooling)A+++
Energy Efficiency Class (Heating)A+++
Indoor Unit Dimensions (H x W x D)305 x 925 x 234 mm
Outdoor Unit Dimensions (H x W x D)550 x 800 x 285 mm
Weight (Indoor Unit)13.5 kg
RefrigerantR32
Power Supply220-240 V, 50 Hz
Energy Efficiency Ratio (Cooling)5.15
Noise Level (Outdoor Unit)46 dB(A)
Indoor Unit Weight13.5 kg
Indoor Unit Dimensions (WxHxD)925 x 305 x 234 mm
Outdoor Unit Dimensions (WxHxD)800 x 550 x 285 mm
Noise Level (Indoor Unit)19 dB(A)
Energy Efficiency Ratio (Heating)5.1

Summary

1. Technical Changes

Model Updates and Compatibility

Details modifications and additions to the models covered in the manual.

2. Part Names and Functions

Indoor Unit Components and Accessories

Identifies and describes the various parts of the indoor unit and its accessories.

3. Specification

Electrical, Airflow, and Sound Data

Lists detailed electrical, airflow, sound, and fan speed specifications for different models.

4. Noise Criteria Curve

Sound Pressure Levels by Frequency

Provides graphical data on sound pressure levels across different frequencies for various fan speeds.

5. Outlines and Dimensions

Physical Size and Installation Details

Displays physical dimensions, piping sizes, and installation details of the indoor unit.

6. Wiring Diagram

Indoor Unit Electrical Connections

Illustrates the electrical connections and component layout for different indoor unit models.

7. Refrigerant System Diagram

Refrigerant Flow and Thermistor Locations

Shows the flow of refrigerant and the location of key thermistors within the system.

8. Service Functions

8-1. Timer Short Mode

Shortens compressor start-up time for service purposes.

8-2. Remote Controller Exclusive Setting

Assigns a specific remote controller to a particular indoor unit.

8-3. Setting the Installation Position

Configures unit operation based on its installed location.

8-4. Auto Restart Function

Allows unit to resume operation with previous settings after power interruption.

9. Microprocessor Control

Wireless Remote Controller Guide

Explains the buttons and display of the wireless remote control unit.

Indoor Unit Operation Indicator Guide

Describes the meaning of the operation indicator lamp on the indoor unit.

9-1. Cool Mode Operation Details

Details operation, frost prevention, and fan speed control in Cool mode.

9-2. Dry Mode Operation Details

Explains operation, frost prevention, and fan speed control in Dry mode.

9-3. Fan Mode Operation Details

Describes the function of the Fan mode, operating the indoor fan only.

9-4. Heat Mode Operation Details

Covers operation, cold air prevention, and defrosting in Heat mode.

9-5. Automatic Mode Switching Explained

Explains automatic switching between Cool and Heat modes.

9-6. Auto Vane Operation Guide

Details automatic adjustment of horizontal vanes for optimal air distribution.

9-6.1 Horizontal Vane Control Modes

Explains the drive, positioning, and modes for horizontal vane control.

9-6.2 Vertical Vane Control Modes

Describes the drive, positioning, and swing modes for the vertical vane control.

9-7. Timer Operation Functions

Covers setting current time, ON/OFF timers, and program timer functions.

9-7.1 Setting Current Time for Timers

Guides on setting the current time on the remote controller for timer accuracy.

9-7.2 Releasing Timer Settings

Explains how to cancel the set ON or OFF timers.

9-7.3 Program Timer Operation Examples

Illustrates combining ON and OFF timers for scheduled operation.

9-8. Weekly Timer Scheduling

Details setting up weekly timer schedules for individual days or the entire week.

9-8.1 Setting Weekly Timer Schedules

Provides steps for entering the weekly timer setting mode and configuring daily schedules.

9-8.2 Viewing Weekly Timer Settings

Explains how to view the programmed weekly timer settings.

9-9. i-see Control Mode Operation

Details the i-see sensor function for temperature control based on occupancy.

9-9.1 Absence Detection Functionality

Describes the energy-saving function that activates when no one is in the room.

9-10. Indirect/Direct Airflow Mode

Explains how to direct airflow towards or away from occupants for comfort.

9-11. Natural Flow Airflow Mode

Simulates natural wind airflow for enhanced comfort.

9-12. Air Purifying Functionality

Describes the function that reduces airborne fungi, viruses, and allergens.

9-13. i-save Operation Configuration

Allows saving and recalling custom settings for temperature, fan speed, and airflow direction.

9-13.1 Setting i-save Operation Parameters

Guides on setting and saving preferred operational parameters.

9-13.2 Cancelling i-save Operation

Explains how to exit the i-save operation mode.

9-14. Emergency and Test Operation Procedures

Details using the emergency operation switch for testing or when remote fails.

9-15. Compressor Protection Time Delay

Protects the compressor by preventing immediate restarts after shutdown.

10. Troubleshooting

10-1. Troubleshooting Safety Cautions

Lists critical safety precautions and checks before starting troubleshooting.

10-1.1 Pre-Troubleshooting Checks

Emphasizes checking power supply and wiring connections before proceeding.

10-1.2 Servicing Safety Precautions

Outlines essential safety measures during servicing, like power disconnection.

10-1.3 General Troubleshooting Steps

Describes general steps for diagnosing abnormalities, including checking indicator lamps.

10-1.4 Remote Battery Replacement Guide

Guides on replacing remote controller batteries to resolve operational issues.

10-2. Failure Mode Recall Function Guide

Explains how to retrieve and interpret stored error codes for diagnosis.

10-2.1 Failure Mode Recall Flowchart

Provides a visual guide for using the failure mode recall function.

10-2.2 Releasing Failure Mode Recall Function

Details the steps to exit the failure mode recall function properly.

10-2.3 Deleting Memorized Error Codes

Describes how to clear stored error codes after repairs are completed.

10-3. Air Purifying Power Operation Check

Outlines the procedure to verify the functionality of the air purifying system.

10-4. Troubleshooting Check Table Overview

Correlates operation indicator patterns with specific faults and remedies.

10-4.1 Indoor Unit Failure Mode Table

Lists specific failure modes for indoor units based on POWER lamp blinking patterns.

10-4.2 Air Purifying Power Failure Mode Table

Details failure modes related to the air purifying power control and electrode.

10-4.3 i-see Sensor Operation Check

Describes how to check the i-see sensor for proper contact and data loading.

10-3. Troubleshooting Flowchart by Status

A flowchart guiding troubleshooting based on unit operating status and indicator lamps.

10-4. Troubleshooting Check Table Continuation

Continues the table correlating operation indicator patterns with specific faults and remedies.

10-5. Trouble Criterion for Main Parts

Specifies resistance values and checks for key components like thermistors and motors.

10-6. Indoor Fan Motor Troubleshooting Flow

A flowchart for diagnosing indoor fan motor issues and related component checks.

10-7. Remote Controller & Indoor P.C. Board Check

A flowchart for diagnosing issues related to the remote controller and indoor P.C. board.

10-8. Indoor P.C. Board & Fan Motor Check

A flowchart for checking the indoor P.C. board and fan motor for electrical issues.

10-9. Miswiring and Serial Signal Error Check

A flowchart for identifying and resolving miswiring or communication errors.

10-9. Miswiring and Serial Signal Error Check (Cont.)

Continues the flowchart for miswiring and serial signal error diagnosis.

10-10. LED Communication Status Indication

Explains LED indications on outdoor display boards for communication status.

10-11. Air Purifying Power System Check

A flowchart for diagnosing issues with the air purifying system's power.

F. Electromagnetic Noise Interference Issues

Troubleshooting EMI Issues

Discusses potential electromagnetic interference issues and troubleshooting steps.

10-7. Test Point Diagram and Voltage

Voltage Test Points for Electronic Boards

Provides detailed diagrams and voltage test points for various electronic boards.

11. Disassembly Instructions

Model Series and Panel Removal

Guides on disassembling the unit, starting with panel removal.

11-1. Model Identification

Specifies the models covered by the disassembly instructions.

Indoor Electrical Box Removal

Explains the steps to detach the electrical box containing various components.

P.C. Board and Component Removal

Provides instructions for removing key internal electronic boards and assemblies.

Nozzle Assembly and Vane Motor Removal

Details the procedure for removing the nozzle assembly and vane motors.

Vertical and Horizontal Vane Motor Removal

Guides on detaching and removing the vertical and horizontal vane motors.

Air Purifying Device Removal

Explains the steps to remove the air purifying device and its support.

Fan Motor, Thermistor, and Line Flow Fan Removal

Details the process for removing the fan motor, thermistor, and airflow fan.

Related product manuals