What to do if Mitsubishi Electric PURY-P144 Air Conditioner shows logic error?
If your Mitsubishi Electric Air Conditioner is showing a logic error, reset the logic board and check the configurations.
How to fix open phase in Mitsubishi Electric PURY-P144 Air Conditioner?
If your Mitsubishi Electric Air Conditioner shows an open phase, check the phase connections and rewire as necessary.
How to fix communication error between device and transmission processors in Mitsubishi Electric PURY-P144 Air Conditioner?
To resolve a communication error between the device and transmission processors in your Mitsubishi Electric Air Conditioner, check the wiring connections and replace any damaged cables.
How to fix temperature sensor fault in Mitsubishi Electric PURY-P144 Air Conditioner?
If there is a temperature sensor fault in your Mitsubishi Electric Air Conditioner, replace the faulty temperature sensors.
How to fix RPM error/motor error in Mitsubishi Electric Air Conditioner?
If you are getting an RPM error or motor error on your Mitsubishi Electric Air Conditioner, check the motor operation. Replace the motor if it is faulty.
How to fix heatsink overheat protection in Mitsubishi Electric Air Conditioner?
If your Mitsubishi Electric Air Conditioner is experiencing heatsink overheat protection, check the cooling systems and make sure there is adequate airflow.
What to do if Mitsubishi Electric PURY-P144 has overload protection?
If your Mitsubishi Electric Air Conditioner is experiencing overload protection issues, assess the load conditions and reduce the load if necessary.
General| Series | PURY |
|---|---|
| Power Supply | 380-415V, 3 Ph, 50Hz |
| Refrigerant | R410A |
| Operating Temperature Range (Heating) | -15 to 24 °C |
| Cooling Capacity | 14 kW |
| Heating Capacity | 16 kW |
| Sound Pressure Level (Outdoor) | 62 dB(A) |
| Operating Temperature Range (Cooling) | -5 to 46°C |
Checks refrigerant type, symptoms, safety precautions, and prepares tools and pipes.
Lists tools and materials for installing and servicing units with R410A, including those for use with restrictions and those not to be used.
Details copper pipe materials, types, radial thickness, and dimensions for R410A systems, warning against using existing piping.
Provides guidance on storing pipes indoors and sealing pipe ends to prevent contamination and moisture.
Specifies using ester oil, ether oil, or alkylbenzene for flares and flanges, and a minimum amount of oil.
Outlines brazing procedures, emphasizing keeping foreign objects out and using non-oxidized solder for connections.
Describes the air tightness test method using nitrogen, emphasizing leak detection for R410A.
Details procedures for vacuum pump usage, vacuum degree standards, evacuation time, and special drying methods.
Explains refrigerant charging methods, emphasizing liquid phase charging for R410A and cylinder handling.
Advises on replenishing refrigerant after a leak and refers to the refrigerant leak section.
Compares chemical and pressure characteristics of R410A with conventional refrigerants like R22.
Discusses the use of refrigerating machine oil in HFC systems and the effects of contaminants like water and dust.
Summarizes compatible indoor units for different outdoor units, including total capacity and number limits.
Details wiring requirements, cable types, and maximum transmission line distances for control and remote controller wiring.
Explains switch settings for various units and the M-NET address settings table for system configuration.
Provides examples of typical system connections for MA and M-NET remote controllers and centralized control.
Illustrates system control wiring for an MA remote controller with one outdoor unit, including cautions and length limits.
Shows system control wiring for an M-NET remote controller, including cautions and allowable lengths.
Depicts system control wiring for a mixed MA/M-NET controller setup, including cautions and allowable lengths.
Details pipe length restrictions for systems with BC controllers, including total pipe length and height differences.
Shows a front view of the outdoor unit and labels its main components.
Details the components within the outdoor unit's control box, including boards and terminals.
Provides a layout of the outdoor unit's main control board, highlighting connectors and components.
Illustrates the front and rear views of the BC controller, identifying key parts like sensors and valves.
Shows the internal layout of the BC controller's control box, including relay and BC controller boards.
Displays the layout of the BC controller circuit board, indicating switch locations.
Compares functions and specifications of MA and M-NET (ME) remote controllers and provides selection criteria.
Details procedures for group settings and interlock settings using the ME remote controller.
Explains how to perform LOSSNAY interlock settings with MA remote controller, including search and deletion procedures.
Describes how to use the built-in temperature sensor on the remote controller and the SW1-1 setting.
Provides detailed wiring diagrams for the outdoor unit, including component connections and symbols.
Shows the electrical wiring diagram for the BC controller, detailing terminal connections and components.
Illustrates the electrical wiring diagram for the transmission booster, including its components and connections.
Shows the refrigerant circuit diagram for the outdoor unit, distinguishing between PURY-P72 and PURY-P96, P120 models.
Lists and describes principal parts of the outdoor unit, including compressor, sensors, and switches.
Explains functions and factory settings of dipswitches for the outdoor unit control board.
Details control methods for the outdoor unit, including outline, startup sequence, initial control, and start-up control.
Explains control procedures for solenoid valves (SVA, SVB, SVC), SVM1, LEV, and SVM2 in the BC controller.
Provides flowcharts for mode determination of indoor units, outdoor units, and BC controllers.
Lists checks for refrigerant leaks, insulation resistance, valve positions, phase sequence, and booster connections.
Details the test run procedure using an MA remote controller, including operation steps and notes.
Explains the importance of understanding refrigerant characteristics and operating trends before adjusting refrigerant.
Describes symptoms of overcharging or undercharging refrigerant and the process of adjusting it.
Outlines the procedure for adjusting refrigerant amount, including SW4-3 settings and LEV behavior.
Lists normal symptoms observed during operation, such as indoor unit fan behavior and refrigerant flow sounds.
Provides standard operating data for single units and combinations, including ambient temperature, pipe lengths, and pressures.
Lists error codes, their preliminary codes, detail codes, definitions, and relevant units.
Provides troubleshooting steps for error codes displayed on the remote controller, focusing on serial communication errors.
Details methods for checking transmission wave patterns and identifying noise interference issues.
Guides on troubleshooting key components like pressure sensors and solenoid valves.
Outlines procedures for identifying and repairing refrigerant leaks in both cooling and heating seasons.
Provides step-by-step instructions for removing and replacing compressor components.
Covers procedures for servicing the BC controller, including control box and thermistor checks.
Explains how to interpret LED error displays on the outdoor unit board for troubleshooting.
Explains how to read LED indicators on the service monitor and interpret numerical and flag displays.
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