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Need help?Do you have a question about the Mitsubishi Electric MXZ-2HA40VF2-E1 and is the answer not in the manual?
Details technical changes, new models, and added features across revisions.
General safety guidelines and symbol meanings for unit operation.
Specific safety measures and precautions for units utilizing R32 refrigerant.
Recommendations for preparing and installing refrigerant pipes, including cleaning and material selection.
Lists specialized tools required for servicing units with R32 refrigerant.
Emphasizes using only specified refrigerants and ensuring adequate ventilation.
Essential warnings and precautions for technicians performing service.
Guidelines for recovering, charging, and safely handling refrigerants.
Details on how to perform additional refrigerant charging, including cylinder usage.
Outlines basic work procedures and safety checks for R32 units.
Safety checks required for installations using flammable refrigerants.
Precautions and procedures for safely servicing electrical components.
Lists the exclusive tools required for working with R32 refrigerant.
Flowchart for assessing the reusability of existing refrigerant pipes.
Specific warnings for R32 piping due to higher working pressure.
Details the necessary pipe thickness specifications for R32 systems.
Specifies dimensions for flare cutting and nuts to ensure R32 compatibility.
Table indicating which existing tools can be used with R32 refrigerant.
Guidelines for selecting a safe and appropriate installation location.
Minimum area requirements and safety measures for confined spaces.
Diagrams identifying key components of MXZ-2HA series outdoor units.
Diagrams identifying key components of MXZ-3HA series outdoor units.
Lists the accessories provided with the outdoor units.
Details system parameters like piping length, height difference, and function.
Electrical data including power input, current, and power factor.
Information on compressor and fan motor models, output, and current.
Includes airflow, sound level, and standard test conditions.
Octave band sound pressure levels for MXZ-2HA series units.
Octave band sound pressure levels for MXZ-3HA series units.
Diagram illustrating the setup for measuring outdoor unit noise.
Detailed dimensions and external views for MXZ-2HA series outdoor units.
Detailed dimensions and external views for MXZ-3HA series outdoor units.
Space requirements for installing MXZ-3HA outdoor units.
Recommended clearances for servicing the outdoor units.
Electrical wiring schematic for MXZ-2HA40VF/VF2 and MXZ-2HA50VF/VF2 units.
Key to symbols used in the wiring diagrams for component identification.
Electrical wiring schematic for MXZ-3HA50VF/VF2 outdoor units.
Diagram illustrating the refrigerant circuit for MXZ-2HA series units.
Guidelines for maximum allowed refrigerant piping lengths for MXZ-2HA series.
Data on calculating and adding refrigerant beyond the factory charge.
Diagram illustrating the refrigerant circuit for MXZ-3HA series units.
Guidelines for maximum allowed refrigerant piping lengths for MXZ-3HA series.
Formula for calculating additional refrigerant charge based on piping length.
Detailed procedure for pumping down refrigerant before unit relocation or disposal.
Essential safety warning regarding compressor protection during pumping down.
Explanation of how operating conditions affect performance curves.
Instructions for accurately measuring indoor air wet and dry bulb temperatures.
Graphs detailing cooling capacity correction factors versus ambient temperatures.
Graphs detailing cooling total input correction factors versus ambient temperatures.
Graphs detailing heating capacity correction factors versus ambient temperatures.
Graphs detailing heating total input correction factors versus ambient temperatures.
Graphs detailing cooling capacity correction factors versus ambient temperatures.
Graphs detailing cooling total input correction factors versus ambient temperatures.
Graphs detailing heating capacity correction factors versus ambient temperatures.
Graphs detailing heating total input correction factors versus ambient temperatures.
Graphs showing capacity and input corrections based on inverter frequency for 25-class units.
Graphs showing capacity and input corrections based on inverter frequency for 35-class units.
Graphs for MXZ-2HA50VF/VF2 showing capacity/input corrections by frequency.
Graphs for MXZ-3HA50VF/VF2 showing capacity/input corrections by frequency.
Graphs for MXZ-3HA50VF/VF2 (25-Class) capacity/input corrections by frequency.
Graphs for MXZ-3HA50VF/VF2 (35-Class) capacity/input corrections by frequency.
Graphs for MXZ-3HA50VF/VF2 (42-Class) capacity/input corrections by frequency.
Graphs for MXZ-3HA50VF/VF2 (50-Class) capacity/input corrections by frequency.
Instructions for performing a test run in fixed-frequency mode.
Graphs showing outdoor low pressure versus ambient conditions for MXZ-2HA.
Graphs showing outdoor unit current versus ambient conditions for MXZ-2HA.
Graphs showing outdoor low pressure versus ambient conditions for MXZ-3HA.
Graphs showing outdoor unit current versus ambient conditions for MXZ-3HA.
Graphs showing outdoor unit current during heating operation for MXZ-2HA series.
Graphs showing outdoor unit current during heating operation for MXZ-3HA series.
Table relating sensors to actuators for MXZ-2HA series outdoor units.
Table relating sensors to actuators for MXZ-3HA series outdoor units.
Identifies switches on outdoor P.C. boards and their functions.
Instructions for setting the unit to operate in a specific mode only.
How to activate the function to lower operating noise, for example, during nighttime.
Details the automatic line correcting function for MXZ-2HA40VF/VF2 and MXZ-2HA50VF/VF2.
How to interpret LED indicators to check the status of automatic line correction.
How to activate the automatic line correcting function for MXZ-3HA50VF/VF2.
Procedure to adjust settings for systems with long piping lengths (40m+).
Important safety precautions and initial checks before troubleshooting.
General steps to follow when diagnosing unit abnormalities.
Introduction to the unit's ability to memorize and recall past abnormal conditions.
Step-by-step flowchart for diagnosing outdoor unit failures using LED blinking patterns.
Detailed table correlating LED patterns to abnormal points, conditions, and remedies for MXZ-2HA.
Detailed table correlating LED patterns to abnormal points, conditions, and remedies for MXZ-3HA.
Guidelines for troubleshooting, including checking indoor units first.
Flowchart guiding troubleshooting based on LED status and initial checks.
Comprehensive table of symptoms, LED indications, conditions, and remedies for MXZ-2HA units.
Comprehensive table of symptoms, LED indications, conditions, and remedies for MXZ-3HA units.
Procedures for measuring the resistance of various thermistors.
Resistance values for checking compressor and outdoor fan motor.
Resistance checks for R.V. coil and linear expansion valve.
Pressure specifications and operating states for the HPS.
Flowchart for diagnosing power supply issues in MXZ-2HA series outdoor units.
Flowchart for diagnosing power supply issues in MXZ-3HA series outdoor units.
Procedure to check for miswiring and serial signal errors in MXZ-2HA units.
Explanation of LED indicators for communication status on the outdoor P.C. board.
Flowchart for diagnosing communication status and errors in MXZ-3HA units.
Steps to troubleshoot when cooling or heating operation fails to start on MXZ-2HA units.
Procedure for checking the resistance of the R.V. coil.
Troubleshooting steps when cooling operation does not work on MXZ-3HA units.
Troubleshooting steps when heating operation does not work on MXZ-3HA units.
Addresses frosting of indoor heat exchanger or warming of non-operating indoor units.
Procedures for checking LEV coil operation and resistance.
Troubleshooting for cases where the room does not get warm during heating.
Troubleshooting for cases where the room does not get cool during cooling.
Procedures for checking the inverter and compressor for abnormalities.
Procedures for measuring the resistance of outdoor thermistors.
Steps to diagnose problems with the outdoor fan motor operation.
Specific resistance and voltage checks for MXZ-3HA fan motors.
Troubleshooting for low operation frequency and checks for the High Pressure Switch (HPS).
Procedures for checking bus-bar voltage and interpreting LED indications.
Diagnosing operation stoppage during pump down due to trapped air.
Steps to identify low refrigerant amounts and locate leaks.
Diagram showing test points and voltage measurements on the inverter P.C. board for MXZ-2HA.
Graphs showing thermistor resistance values at different temperatures for MXZ-2HA.
Continuation of test point diagrams for the MXZ-2HA inverter P.C. board.
Continuation of graphs showing thermistor resistance values for MXZ-2HA.
Diagram showing test points and connections on the MXZ-3HA outdoor control P.C. board.
Diagram showing test points and connections on the MXZ-3HA outdoor power P.C. board.
Diagram showing test points and connections on the MXZ-2HA outdoor display P.C. board.
Instructions on how to detach terminals with and without locking mechanisms.
Step-by-step guide for removing the cabinet and panels on MXZ-2HA units.
Procedure for removing the inverter assembly and P.C. board from MXZ-2HA units.
Steps for removing the Reverse Cycle (R.V.) coil.
Instructions for removing discharge, defrost, and heat exchanger thermistors.
Step-by-step instructions for removing the outdoor fan motor.
Procedure for removing the compressor and the 4-way valve.
Step-by-step guide for removing the cabinet and panels on MXZ-3HA units.
Procedures for removing the outdoor control P.C. board, power P.C. board, and reactor.
Instructions for removing the fan motor on MXZ-3HA units.
Procedure for removing the compressor and 4-way valve on MXZ-3HA units.
Steps for removing the expansion valves and associated coils.
General| Brand | Mitsubishi Electric |
|---|---|
| Model | MXZ-2HA40VF2-E1 |
| Category | Air Conditioner |
| Language | English |
