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General| Brand | Mitsubishi Electric |
|---|---|
| Model | City Multi PQHY-P72 |
| Category | Air Conditioner |
| Language | English |
Essential warnings and cautions for safe operation, installation, and handling of the unit.
Guidelines for using R410A-specific tools, piping, and refrigerant handling to prevent contamination and ensure proper operation.
Ensures proper grounding, wiring, breaker usage, and electrician qualification for safe electrical connections.
Details on piping materials, processing, brazing, air tightness testing, vacuum drying, refrigerant charging, and leak remedies.
Details switch settings and address settings for various units and controllers based on system configuration.
Outlines limitations on refrigerant pipe lengths for PQHY and PQRY configurations, including branching types.
Illustrates the refrigerant flow diagrams for PQHY and PQRY heat source units, showing component paths.
Provides guidance on checking operating characteristics, adjusting refrigerant amount based on symptoms, and using the adjustment mode.
Comprehensive lists of error codes, their definitions, detected units, and potential causes.
Guidance on interpreting error displays on the remote controller and corresponding troubleshooting steps.
Troubleshooting procedures for key components like pressure sensors, thermistors, solenoid valves, and LEV.
Steps for identifying and locating refrigerant leaks in the system, with specific procedures for cooling and heating seasons.
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