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General| Brand | Mitsubishi Electric |
|---|---|
| Model | PURY-P250YMF-C |
| Category | Air Conditioner |
| Language | English |
Essential safety precautions for installation and electrical work.
Meanings of symbols used in warnings and cautions.
Specific precautions for using R407C refrigerant.
Guidelines for piping preparation, brazing, and leak testing.
Procedures for charging refrigerant and replacing the dryer.
Visual identification and refrigerant circuit diagrams of outdoor units.
Wiring schematics for various control boxes and models.
Identification of MAIN, INV, FANCON, G/A, BC, and Relay boards.
Standard operating data for cooling mode.
Standard operating data for heating mode.
Specific operation data for PURY models.
DIP and rotary switch functions for outdoor units.
Configuration settings for indoor units via DIP switches.
Essential checks and safety precautions before testing.
Procedures for running tests and checking options.
Verification of system configuration, piping, and wiring.
Functions of remote controller switches for unit registration.
Procedures for registering, retrieving, and deleting unit data.
Control logic for outdoor units, frequency, and bypass valves.
Control logic for defrost, oil return, and subcool coil operations.
Control logic for BC controller components and LEVs.
Flowcharts detailing operational logic for outdoor and BC controllers.
Flowcharts detailing indoor unit operation and various modes.
Functions, applications, and specifications of outdoor unit parts.
Functions, applications, and specifications of indoor unit parts.
Functions and specifications of BC controller components.
How refrigerant volume affects system operation.
Step-by-step process for adjusting refrigerant volume.
Methods for diagnosing pressure sensor failures.
Troubleshooting steps for solenoid valves and LEVs.
Troubleshooting for IPM, diode stack, and power modules.
Diagnosing issues with communication lines and noise.
Troubleshooting for inverter, compressor, and fan motor malfunctions.
Troubleshooting breaker tripping and individual part failures.
Diagnosing issues with BC controller sensors and components.
Reference for error codes and self-diagnosis data.
Procedure to identify leaks in piping or indoor units during cooling.
Procedure to identify leaks in the outdoor unit during cooling.
Procedure to identify leaks in piping or indoor units during heating.
Procedure to identify leaks in the outdoor unit during heating.
Procedure for checking and adjusting refrigerant composition.
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