How to fix serial communication error on Mitsubishi Electric PUHY-(E)P300 Air Conditioner?
If you are experiencing a serial communication error with your Mitsubishi Electric Air Conditioner, check the communication connections and reset the system.
How to fix remote controller sensor failure in Mitsubishi Electric PUHY-(E)P300?
If the remote controller sensor fails on your Mitsubishi Electric Air Conditioner, check and replace the remote controller sensor if needed.
What to do if float switch connector is disconnected in Mitsubishi Electric PUHY-(E)P300 Air Conditioner?
If the float switch connector is disconnected in your Mitsubishi Electric Air Conditioner, re-connect the float switch connector.
General| Model | PUHY-(E)P300 |
|---|---|
| Series | City Multi |
| Type | VRF Outdoor Unit |
| Cooling Capacity (kW) | 30.0 |
| Heating Capacity (kW) | 33.5 |
| Refrigerant | R410A |
| Energy Efficiency Class | A |
| Power Supply | 380-415V, 50Hz |
| Operating Temperature (Cooling) | -5°C to 46°C |
Emphasizes professional installation, proper grounding, and electrical safety measures to prevent hazards.
General instructions and checks before servicing, including refrigerant type and safety.
Lists required tools and materials for R410A systems, categorizing their use.
Details copper pipe types, thickness, and flare dimensions for R410A systems.
Steps for vacuum drying and charging R410A refrigerant, emphasizing liquid state.
Procedures for replenishing refrigerant after a leak, referring to troubleshooting section.
Summarizes compatible indoor/outdoor unit combinations, capacities, and counts.
Specifies allowable lengths for refrigerant piping sections and height differences.
Detailed wiring diagrams for various outdoor unit models.
Details DIP switch functions on control and INV boards for various settings.
Essential checks before test runs: safety, connections, power, and insulation.
Explains refrigerant effects on system operation and adjustment principles.
Detailed procedure for adjusting refrigerant levels using sensor readings and modes.
Comprehensive list of error codes, definitions, and affected units.
Procedures for finding and fixing refrigerant leaks in indoor/outdoor units.
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